Colusa County Assessor Search 2026: APN, Tax & GIS

Sacramento Valley Property Guide APN, Parcel Maps, Tax Bills & Deeds 2026 Official-Source Workflow

Colusa County Assessor Property Search, APN Lookup & Property Tax Records 2026

A Colusa County property search may involve a city home, Williams subdivision, Arbuckle lot, rice field, orchard, ranch, Williamson Act contract, rural acreage, business property, trust transfer, or parcel without a dependable street address. This guide shows how to locate the APN through the county-linked ParcelQuest service, review assessed values and parcel maps, check the separate Tax Collector system, research deeds and liens, verify zoning and agricultural restrictions, request value review, and protect assessment appeal deadlines.

Independent guide: This website is not the County of Colusa, Assessor, Treasurer-Tax Collector, Clerk-Recorder, ParcelQuest, Assessment Appeals Board, ArcGIS, or California State Board of Equalization. Confirm final APNs, values, taxes, fees, maps, ownership records, forms, exemptions, and deadlines with the applicable official source before payment, filing, appeal, transfer, purchase, construction, surveying, or legal use.

Quick Answer: Which Colusa County Property Tool Should You Use?

Start with the official Colusa County Assessor page and open its county-linked ParcelQuest service when you need a parcel number, situs address, assessed valuation, or parcel map. The county states that ParcelQuest receives data from the Assessor and is frequently updated, but it remains an off-site private service with usage limits and optional paid products.

Use the Treasurer-Tax Collector portal for current or historical tax bills, payment status, installment information, and online payment. Use the Clerk-Recorder for deeds, liens, easements, recorded maps, and official property documents. Use County GIS for zoning, map layers, roads, and general location research.

Assessment data ParcelQuest
Best identifier APN / Fee Parcel
Tax collection Treasurer
Legal documents Recorder
Best practical sequence: Find the APN, save the parcel record, compare it with the current tax bill, review GIS only for map context, and use recorded documents when ownership or easement questions matter.

Colusa County Property Office Router

Select the task you need to complete and see which official office or system normally handles it.

Planning help only

Your route will appear here

Select the task that best matches your property question.

Important: Planning help only. Not an official tax bill, legal survey, title report, assessment decision, exemption approval, or government determination.

Rural Parcel Search Path Helper

Build a search sequence based on the information and property type you already have.

Search-path helper

Search guidance

Choose what you know and what you need. This helper does not access official databases.

Important: Parcel maps are not legal surveys, and Assessor data is not a title report.

California Supplemental Property Tax Estimator

Estimate possible supplemental tax after a purchase, ownership change, or new assessed value.

Estimate only

Supplemental planning result

Enter the new and prior assessed values to estimate the value difference and planning amount.

Important: Estimate only. Not an official Colusa County tax bill, escrow calculation, appraisal, exemption decision, or payment amount.

Who This Colusa County Property Guide Is For

Homeowner Check assessed value and tax status

Review the parcel record, current bill, mailing address, Homeowners’ Exemption, decline-in-value options, and appeal process.

Buyer Research before closing

Compare the APN, ParcelQuest map, tax bill, Recorder documents, zoning, access, agricultural contracts, and supplemental tax risk.

Agricultural owner Review farmland and contract issues

Check every APN, acreage, assessed use, Williamson Act status, improvements, legal access, and possible contract consequences.

Rural land user Locate property without an address

Use an APN, legal description, recorded map, road location, GIS, or neighboring parcel rather than relying only on a street address.

Trust or estate user Separate deed recording from reassessment

Use the Recorder for documents and the Assessor for ownership statements, exclusions, Prop 19, values, and mailing updates.

Senior user Follow a clear office-by-office path

Save the APN, call before visiting, write down staff names, and keep every form, receipt, letter, and confirmation.

Colusa County Assessor Quick Facts

Item Current Verified Detail Official Next Step
Official office Colusa County Assessor Open the official Assessor page
Assessor Bob Buckner Verify current officeholder information before formal correspondence.
Assessor address 547 Market Street, Suite 101, Colusa, CA 95932 Call before visiting for a particular map, appraiser, or form.
Assessor phone (530) 458-0450 Call the Assessor
Assessor fax (530) 458-0436 Confirm before faxing deadline-sensitive paperwork.
Assessor hours Monday–Friday, 8:30 AM–5:00 PM Verify holidays or temporary closures before visiting.
Property search County-linked ParcelQuest Lite Open Colusa ParcelQuest Lite
ParcelQuest public limits Current agreement lists up to 50 searches and 25 parcel maps per month Review current terms before high-volume use.
Tax bills and payment Colusa County Treasurer-Tax Collector Open the property tax portal
Clerk-Recorder Cristy Jayne Edwards Open Recorder information
Recorder address 546 Jay Street, Suite 200, Colusa, CA 95932 Use the Recorder for deeds, liens, maps, and official copies.
Recorder hours Monday–Friday, 8:30 AM–4:00 PM; recording cutoff 3:00 PM Call (530) 458-0500 before visiting.

How to Find a Colusa County APN or Fee Parcel Number

The APN or fee parcel is the most dependable identifier for agricultural land, rural acreage, vacant parcels, properties with private-road addresses, and ownership involving several adjoining parcels.

Where to Look What You May Find How to Use It
Property tax bill Assessment number, fee parcel, physical location, lien-date owner, and tax-rate area Copy the fee parcel exactly for the tax and Assessor workflows.
ParcelQuest Situs address, parcel number, assessed values, and parcel map Save a screenshot or printout before contacting county staff.
Recorded deed APN, legal description, names, and recording reference Compare the document with the current Assessor record because an APN can change.
GIS map Approximate parcel location, roads, zoning layers, and neighboring land Use for location context, not exact legal boundaries.
Closing or title file APN, tax prorations, title references, recorded exceptions, and legal description Confirm the parcel before payment, transfer, or exemption filing.
Fee parcel versus assessment number: The Tax Collector portal explains that fee-parcel search can show a summary of assessments connected with the parcel, while assessment-number search opens one specific assessment.

Colusa County Agricultural Property and Williamson Act Research

Colusa County property research often involves productive agricultural land. An Assessor value alone does not show every contract, restriction, water-related charge, access issue, or permitted use affecting a farm, orchard, rice field, grazing parcel, or agricultural business.

What to Check Before Buying or Transferring Farmland

Every APN included in the sale or operation
Williamson Act or Farmland Security Zone status
Contract number, term, non-renewal, or cancellation status
Current zoning and allowed uses
Recorded easements, access rights, and encumbrances
Irrigation, drainage, reclamation, and special district charges
Structures, wells, equipment, and business personal property
Potential reassessment or supplemental tax after transfer

Colusa County provides Williamson Act information and an AB 1265 calculator inquiry process that requests the relevant APNs. The county advises users to contact the Assessor for actual tax-savings information or parcel-number changes not reflected in the calculator data.

Agricultural-value warning: A lower assessed value may reflect a restricted-use contract. Verify the recorded contract, Assessor treatment, Planning requirements, and transfer consequences before relying on the value.

Colusa County Property Tax Search, Payment Fees, and Due Dates

Use the Treasurer-Tax Collector portal for the actual property tax bill, current payment status, delinquent balance, and online payment. The portal searches by fee parcel, assessment number, or street address and warns users to select the current roll year for current payment data.

Open the official Colusa County tax portal or review official payment methods, fees, and dates.

Current Search Methods in the Tax Portal

Search Method Best Use Important Limitation
Fee parcel Summary of current or delinquent fiscal-year assessments connected with the parcel Confirm that the correct roll year is selected.
Assessment number Open one specific assessment May not display every assessment associated with the parcel.
Street address Locate a developed property when the parcel number is unknown Recorded abbreviations may require a simplified search.

Address Search Troubleshooting

The official portal recommends removing words such as Street, Road, Drive, or Lane. It also recommends using one-letter directions such as N, E, S, or W rather than spelling out North, East, South, or West.

Current Electronic Payment Service Fees

Payment Method County Page Currently Lists Before You Submit
Electronic check $1.50 service fee Verify routing number, account number, parcel, and final checkout total.
Debit card $3.95 service fee Confirm the displayed fee and total payment.
Credit card 2.45%, with a $2 minimum Compare the service fee with other available payment methods.
Easy Smart Pay monthly card plan 1.99% Review eligibility, timing, minimum bill threshold, and enrollment terms.
Easy Smart Pay ACH plan 0.00% Confirm the payment schedule and whether all installments will arrive before delinquency.

2025/26 Secured Property Tax Calendar

Installment Due Date Published by the County Delinquency Consequence
First installment November 1, 2025; delinquent after 5:00 PM on December 10, 2025 County page states a 10% penalty is added.
Second installment February 1, 2026; delinquent after 5:00 PM on April 10, 2026 County page states a 10% penalty plus a $20 cost is added.
Tax-year warning: These are the dates currently published for fiscal year 2025/26. Verify the next bill cycle directly with the Tax Collector. Save the receipt and do not submit a second payment until posting status has been checked.

Colusa County GIS Parcel Maps, Zoning, and Boundary Limits

Colusa County provides an interactive GIS map, static maps, and downloadable GIS data. These tools are useful for roads, parcels, zoning, districts, aerial context, and general land research, but map geometry should not be treated as a legal survey.

Interactive GIS Explore county map layers

Use the official GIS viewer for general parcel and location research.

Open the Colusa County GIS map

Zoning lookup Turn on the zoning layer

The county zoning page explains that the zoning layer can be enabled through the interactive GIS tool.

Review zoning resources

GIS downloads Use current parcel datasets carefully

The county states that tax-parcel downloads are typically updated annually after the fiscal year ends.

Open the GIS Download Library

Assessor parcel map Use for assessment reference

The Assessor maintains parcel maps and continuously updates them for new subdivisions and surveys.

Recorded map Use Recorder and Surveyor sources

Recorded maps and survey records are stronger sources when legal boundaries or easements matter.

Legal survey Hire a licensed surveyor

For fences, encroachments, access, construction staking, or exact corners, use professional survey work.

Map limitation: Do not use ParcelQuest or GIS alone to determine an exact boundary, legal access, buildability, water rights, easement location, or permitted land use.

Colusa County Deeds, Liens, Easements, and Recorded Property Documents

The Colusa County Clerk-Recorder maintains real-property records dating to the county’s formation in 1850. The county explains that records before 1989 are found in index books and microfilm, while records after 1989 are available through the Recorder’s computerized index.

Identify the parcel before starting document research.

Save the APN, situs address, current or prior owner names, legal description, and any document number in your closing or title file.

Search by names and recording details.

Recorded documents are indexed by the names of the parties shown on the document. Prepare grantor, grantee, approximate date, and document type.

Contact or visit the Recorder when needed.

The Recorder office is at 546 Jay Street, Suite 200, Colusa, and the recording cutoff is currently 3:00 PM.

Review official Recorder services

Use professional title help for legal conclusions.

A public record search does not replace title insurance, a complete chain-of-title search, lien analysis, easement interpretation, or legal advice.

Preliminary Change of Ownership Report and Deed Recording

Colusa County states that there is no charge for a complete Preliminary Change of Ownership Report when it accompanies the transfer document. If the PCOR is not submitted, an additional $20 fee may apply.

Current Basic Recording Fee Information

Recording Item County Page Currently Lists Important Note
Most documents, first page $15 Additional statutory or title-based fees may apply.
Each additional page $3 A printed back side counts as another page.
Non-standard page size Additional $3 per page Verify document formatting before submission.
Building Homes and Jobs Act Potential $75 fee per title Exemptions and fee application depend on the document and transaction.

Review current real-property recording fees

Colusa County Assessor Forms and Property Record Updates

Task Likely Form or Process What to Prepare
Change tax-bill mailing address Owner-authorized address-change request through the Assessor APN, owner name, situs, old mailing address, new mailing address, and signature.
Claim Homeowners’ Exemption Current BOE-266 claim filed with the Assessor APN, ownership information, principal-residence date, and signature.
Report ownership change Preliminary Change of Ownership Report or Change in Ownership Statement Transfer date, parties, consideration, financing, trust information, and claimed exclusion.
Report new construction Assessor review of completed or ongoing construction Permit information, completion date, plans, costs, and description of improvements.
Request damaged-property relief Calamity reassessment request APN, event date, photos, repair estimates, insurance information, and damage description.
File business or agricultural property statement Annual property statement due under applicable rules Account number, equipment, supplies, machinery, leasehold improvements, costs, and acquisition dates.

Open California county property forms or review California BOE property tax forms.

Legal-document warning: Assessor and Recorder staff generally cannot give legal advice or choose a deed, trust, entity, estate, or exclusion strategy for you. Use qualified legal and tax professionals for complex transfers.

Homeowners’ Exemption, Proposition 19, Disabled Veterans, and Calamity Relief

Program Who It May Help Current Safe Guidance
Homeowners’ Exemption An eligible owner who occupies the property as a principal residence on January 1 Colusa County states that the exemption reduces assessed value by $7,000. February 15 is the timely filing deadline; the county notes that an 80% exemption may be available for qualifying late filing through December 10.
Disabled Veterans’ Exemption Qualifying disabled veterans and certain surviving spouses Amounts and income limits change. Verify the current BOE claim and supporting documents with the Assessor.
Proposition 19 base-year transfer Some eligible homeowners age 55 or older, severely disabled owners, and disaster victims Confirm timing, value calculations, replacement-property rules, and the correct claim form.
Parent-child or grandparent-grandchild exclusion Certain qualifying transfers involving a principal residence or family farm Current Proposition 19 rules are narrower than older exclusions. Verify occupancy, value limits, transfer date, and filing requirements.
Decline-in-value review Owners whose January 1 market value may be below the factored base-year value Contact the Assessor at (530) 458-0450 and provide market evidence relevant to the January 1 lien date.
Calamity relief Owners whose property was substantially damaged or destroyed by fire, flooding, or another qualifying calamity Contact the Assessor quickly and verify the current application deadline and minimum-loss requirements.

Review Colusa County tax-savings information and review current California Proposition 19 guidance.

Informal Value Review and Colusa County Assessment Appeals

If you disagree with the assessed value, begin by presenting relevant factual evidence to the Assessor. The county states that your position will be considered and adjustments may be made when appropriate. Informal review does not automatically preserve a formal filing deadline.

Save the current parcel record and value notice.

Record the APN, assessment number, land value, improvement value, total value, tax year, and notice date.

Gather evidence for the correct valuation date.

Use comparable sales, an appraisal, photographs, repair estimates, agricultural-use evidence, income information where appropriate, or documentation of incorrect property characteristics.

Request Assessor review.

Explain whether the disagreement concerns market value, change in ownership, new construction, exemption, classification, damage, or factual property data.

Confirm the formal deadline directly with the Board.

The county Appeals page currently states July 2 through November 30 for regular hearing applications and 60 days after receiving a supplemental or escape assessment notice.

Resolve the deadline conflict before relying on a date.

The official appeal-form instructions distinguish a September 15 regular deadline when required value notices were mailed by August 1 and November 30 when they were not. Contact the Clerk of the Board to confirm the date that applies to the current roll.

Review the official Colusa County appeal page

Important deadline issue: Do not assume that November 30 always applies. Because the county webpage and the formal application instructions describe different regular-filing scenarios, obtain direct confirmation and preserve proof of timely filing.

Open the official Assessment Appeal Application

Fees, Deadlines, Processing Delays, and What to Save

Task Verified or Safe Guidance Common Delay Keep This Proof
ParcelQuest search Parcel detail is available without a fee within current usage limits; optional products may cost extra Incorrect APN, address mismatch, usage limit, parcel change, or agreement screen APN, screenshot, map, date searched
Online tax payment Current fee varies by e-check, debit, credit, or monthly-payment option Bank rejection, processor delay, wrong assessment, or duplicate-payment concern Bill, receipt, service fee, and bank record
Tax information request Treasurer page states email or fax requests generally require 24 hours; fees may apply Incomplete parcel information or broad research request Request copy, APN, email, fax confirmation, and response
Recorded document research Pre-1989 records may require index books or microfilm; later records use the computerized index Broad name search, missing date, historic record, or unclear document type Document number, recording date, book/page, and copy receipt
Mailing-address or ownership update Processing varies between recording and Assessor systems Missing signature, incomplete PCOR, trust review, or recent recording Recorded deed, ownership statement, address request, and delivery proof
Assessment appeal Deadline depends on the roll, notice mailing, and assessment type Wrong filing date, incomplete application, missing opinion of value, or weak evidence Application, postmark, filing receipt, notice, and evidence packet

Decision Table: If You Need This, Use This Office or Tool

If You Need Correct Source Official Action
APN, assessed value, situs, or parcel map Colusa County Assessor / ParcelQuest Open ParcelQuest Lite
Tax bill, payment status, delinquency, or online payment Treasurer-Tax Collector Open the tax portal
GIS layers, zoning, roads, or map context Colusa County GIS Open GIS resources
Deed, lien, easement, recorded map, or official copy Colusa County Clerk-Recorder Review Recorder services
Homeowners’ Exemption, mailing address, value review, or Prop 19 Colusa County Assessor Contact the Assessor
Williamson Act, agricultural contract, or AB 1265 calculation Assessor and Planning Department Review Williamson Act information
Formal assessment appeal Assessment Appeals Board / Board of Supervisors Review appeal guidance
Exact property boundary Recorded survey, County Surveyor, and licensed land surveyor Open Surveyor resources

Colusa County Assessor Contact Information and Office Map

Assessor Office Colusa County Assessor

Assessor: Bob Buckner

Address: 547 Market Street, Suite 101, Colusa, CA 95932

Phone: (530) 458-0450

Fax: (530) 458-0436

Hours: Monday–Friday, 8:30 AM–5:00 PM

Before You Call Have these details ready
  • APN, fee parcel, or assessment number.
  • Physical property address or road location.
  • Tax year or value-notice date.
  • Tax bill, deed, parcel map, or closing statement.
  • A short explanation of the exact problem.

Explain whether your question concerns value, ownership, exemption, mailing address, business property, agricultural land, or an appeal deadline.

Documents to Gather Before You Search, Pay, File, or Appeal

APN, fee parcel, and assessment number
Current and prior property tax bills
ParcelQuest record and parcel map
Recorded deed or title report
Legal description and map reference
Closing statement or transfer documents
Comparable sales and appraisal evidence
Damage photographs and repair estimates
Williamson Act or agricultural contract
Payment receipt and confirmation number

Common Colusa County Property Search Mistakes

Search mistake Depending only on a rural address

Farm, ranch, vacant, and foothill parcels often search more accurately by APN, map reference, or legal description.

Owner-search mistake Assuming every public tool searches by owner

Public fields and privacy limits can change. Use an APN or address and use Recorder documents for ownership research.

Map mistake Treating GIS as a legal survey

Online parcel geometry does not establish exact corners, fences, easements, encroachments, or access rights.

Tax mistake Using a historical roll as current payment data

The Tax Collector portal warns users to select the current roll year for current payment information.

Agricultural mistake Ignoring Williamson Act restrictions

A contract can affect assessed value, permitted use, transfer review, non-renewal, cancellation, and future tax exposure.

Appeal mistake Assuming one deadline applies every year

The regular deadline can depend on value-notice mailing, while supplemental and escape assessments use separate timing.

Colusa County Property Search Troubleshooting

Problem Likely Cause What to Do Next
No parcel appears by address Rural situs, abbreviation, private road, missing unit detail, or no assigned address Use APN, GIS, tax bill, deed, legal description, or neighboring parcel.
APN returns an unexpected parcel Mistyped digit, old APN, parcel split, combination, or outdated document Compare ParcelQuest, the current tax bill, recorded deed, and Assessor information.
Owner information is unavailable Public-search field or privacy limitation Use Recorder indexes, title records, the tax bill, or direct Assessor assistance.
Tax payment is not showing Processing delay, failed transaction, wrong assessment, or bank issue Do not immediately pay twice. Save proof and contact the Tax Collector.
Map line differs from a fence or road GIS geometry is representational rather than surveyed Review recorded maps, title documents, and a licensed survey.
Assessed value appears too high Market-value issue, incorrect characteristics, ownership change, new construction, or lost exclusion Gather evidence, request Assessor review, and preserve the formal deadline.
Agricultural value is difficult to understand Contracted use, multiple APNs, restricted valuation, special charges, or improvements Compare the Assessor record, Williamson Act contract, tax bill, GIS, and recorded documents.

What to Save After a Search, Payment, Form, or Appeal

APN, fee parcel, and assessment number
ParcelQuest screenshot or PDF
Parcel map and GIS reference
Tax bill and selected roll year
Payment receipt and service fee
Copy of every submitted form
Mailing, upload, fax, or delivery proof
Staff name and date of contact
Appeal application and filing receipt
Recorder document number and copy receipt

Property Search, Payment, and Fraud Safety

Avoid websites that imitate a county portal, promise unrestricted owner-name information, hide charges until checkout, guarantee a tax reduction, or pressure you to pay for a deed problem immediately.

Verify before acting: Confirm the County of Colusa domain, APN, roll year, installment, processing fee, Recorder instructions, appeal deadline, and form version through the applicable official source.

Colusa County Property Search: Direct Answers

Where is the official Assessor property search? The Colusa County Assessor links to its county-specific ParcelQuest Lite service.
What is the safest search identifier? The APN or fee parcel is generally the safest identifier, especially for rural and agricultural property.
Where do I view or pay the tax bill? Use the Colusa County Treasurer-Tax Collector property tax portal.
Where do I find deeds and liens? Use the Colusa County Clerk-Recorder, which maintains historic and current real-property records.
Is the GIS map a legal survey? No. Use recorded maps, title records, and a licensed surveyor for exact legal boundaries.
What are current online tax-payment fees? The county currently lists $1.50 for e-check, $3.95 for debit, and 2.45% with a $2 minimum for credit cards.
What is the assessment appeal deadline? The applicable regular deadline may be September 15 or November 30 depending on notice mailing; supplemental and escape assessments generally use a 60-day period. Confirm directly with the Board.

Official Source Notes

Colusa County Assessor: Official officeholder, contact details, responsibilities, ParcelQuest access, parcel maps, value information, important dates, and Assessor services. Open the official Assessor page
ParcelQuest Lite: County-specific property-data access, current user agreement, public search limits, parcel detail, and optional products. Open Colusa ParcelQuest Lite
Treasurer-Tax Collector: Official billing and collection responsibilities, tax-information requests, postponement information, office contact, and tax-payment resources. Open the Treasurer-Tax Collector page
Tax Payments: Official current installment dates, payment methods, service fees, monthly-payment options, and online portal access. Open tax-payment guidance
Colusa County GIS: Official interactive map, static maps, GIS download library, zoning resources, and county map data. Open GIS resources
Colusa County Recorder: Official deed, lien, real-property record, recording-fee, historical index, office-hour, and copy information. Open Recorder information
Assessment Appeals: County appeal explanation, informal Assessor review, Assessment Appeals Board, filing windows, and official application. Open appeal guidance
California State Board of Equalization: Statewide property-tax forms, exemptions, Proposition 13, Proposition 19, supplemental assessments, and appeals. Open California property-tax resources

Frequently Asked Questions

How do I search Colusa County Assessor property records?

Open the official Colusa County Assessor page and use its county-specific ParcelQuest Lite link. Search with an APN or physical address when available, then save the parcel number and map.

Can I search Colusa County property records by owner name?

Do not assume unrestricted owner-name search is available because public fields and privacy limits can change. Use an APN or address first, and use the Clerk-Recorder when you need recorded ownership documents.

How do I find my Colusa County APN?

Check the property tax bill, ParcelQuest result, recorded deed, title report, closing statement, parcel map, or GIS record. The tax bill shows the fee parcel and assessment information in its upper-left section.

What is the difference between fee parcel and assessment number?

Fee-parcel search can show a summary of assessments connected with a parcel. Assessment-number search opens one specific assessment and may not display every outstanding assessment.

How do I pay Colusa County property taxes online?

Use the official Treasurer-Tax Collector property tax portal. Confirm the current roll year, fee parcel, assessment, installment, amount, and service fee before submitting payment.

What are Colusa County’s current online tax-payment fees?

The county currently lists a $1.50 electronic-check fee, $3.95 debit-card fee, and 2.45% credit-card fee with a $2 minimum. Verify the amount displayed at checkout because fees can change.

Is the Colusa County parcel map a legal survey?

No. ParcelQuest and GIS maps are useful for assessment and location research but do not prove exact boundaries, easements, access rights, or encroachments.

How do I obtain a Colusa County deed or lien record?

Contact the Colusa County Clerk-Recorder at (530) 458-0500. Real-property records are indexed by party names, with older records in books and microfilm and later records in the computerized index.

How do I claim the Homeowners’ Exemption in Colusa County?

Submit the current Homeowners’ Exemption claim to the Assessor. Colusa County states that the exemption reduces assessed value by $7,000 and lists February 15 as the timely filing deadline.

How do I request a lower Colusa County assessed value?

Save the parcel record and value notice, gather market evidence or factual corrections, and contact the Assessor at (530) 458-0450. Preserve the formal appeal deadline while informal review is pending.

What is the Colusa County assessment appeal deadline?

The county appeal page currently states July 2 through November 30, but the official form instructions distinguish September 15 and November 30 depending on value-notice mailing. Supplemental and escape assessments generally use a 60-day period. Confirm the applicable date directly with the Board.

Where is the Colusa County Assessor office?

The Assessor is at 547 Market Street, Suite 101, Colusa, California 95932. The phone number is (530) 458-0450, and listed hours are Monday through Friday, 8:30 AM to 5:00 PM.

What to Do Next

Begin with the APN, fee parcel, assessment number, physical address, or tax bill. Use ParcelQuest for assessment and parcel-map research, the Tax Collector for bills and payments, GIS for zoning and map context, and the Clerk-Recorder for deeds and liens. Save every result and verify official details before paying, filing, appealing, transferring, surveying, or relying on the record for a legal or agricultural decision.