Tuolumne County Assessor 2026: Property Search, APN, Tax & GIS

California Property Records APN / Address Search Tuolumne County 2026 Guide

Tuolumne County Assessor – Property Search, APN Lookup & Tax Records | California

If you need to check a Tuolumne County parcel in Sonora, Twain Harte, Jamestown, Groveland, Columbia, Tuolumne, or a rural mountain area, the safest path starts with the Assessor’s APN or street-address lookup, then moves to the Tax Collector, Recorder, or GIS only when your task requires it. This guide explains exactly which office to use, how to search without guessing, how to read parcel and value information, and what to verify before you pay taxes, file an exemption, request a review, buy property, or rely on a recorded document.

Independent guide disclaimer: This page is a public help guide and is not the official Tuolumne County government website. Always verify parcel details, tax bills, exemption deadlines, value reviews, deed records, payment fees, and legal actions with the official Tuolumne County or California state source before payment, filing, appeal, purchase, or legal use.

Quick Answer: How to Search Tuolumne County Assessor Property Records

Start with the official Tuolumne County Assessor page or Assessor’s Parcel Maps page. The county says its Property Search Tool / Value Notice can be used to view and print the current assessor parcel map, value notices, and limited assessment data by searching either Assessor’s Parcel Number (APN) or street address. Some vacant land does not have a street address, so APN may be required.

Best searchAPN
Also search byStreet Address
Office citySonora
Tax paymentsTax Collector
Senior-friendly tip: Before calling, write the APN, street address, tax year, and your question on paper. If you are visiting the office, call first to confirm the right floor, the form you need, and whether a fee applies.

Tuolumne County Property Tools for Planning

Use these helpers before searching, filing, paying, buying, or calling. They do not connect to the official county database and do not replace official records.

Planning help only

Office Router: Assessor, Tax Collector, Recorder, or GIS

Select your task to find the safest official path.

Result will appear here

Select your task to see whether you should use the Assessor, Tax Collector, Recorder, GIS, or California BOE source.

Important: Planning help only. Not an official tax bill, not a legal survey, not government approval. Verify final details with official Tuolumne County or California state sources before payment, filing, appeal, purchase, or legal use.

APN Lookup Helper for Mountain, Rural, and Vacant Parcels

Tuolumne County has rural roads, vacation cabins, forested areas, vacant parcels, and properties with address-format issues. This helper shows which search path to try first.

Search path

Answer the questions to get a practical search path. This helper does not access official county records.

Important: Planning help only. Not an official tax bill, not a legal survey, not government approval. Verify final details with official Tuolumne County or California state sources before payment, filing, appeal, purchase, or legal use.

California Supplemental Property Tax Estimator

Use this for buyer planning after a purchase or reassessment. Supplemental tax bills can arrive after closing and may not be fully covered by escrow estimates.

Supplemental estimate

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

Important: Estimate only. Not an official tax bill, not government approval, and not legal or escrow advice. Verify all amounts with the official Tuolumne County source before payment, filing, appeal, purchase, or legal use.

Who This Tuolumne County Assessor Guide Is For

Homeowner Check value and exemption status

Use this guide to find the parcel, read the value notice, check exemption rules, and understand when to call the Assessor.

Buyer Research before closing

Compare Assessor data, Tax Collector payment status, Recorder records, GIS map context, and possible supplemental tax exposure.

Rural / Land Owner Search parcels without street addresses

Vacant land may require APN search, and GIS should be treated as map context rather than a legal survey.

Senior / Disabled Veteran Review exemption options

Use official exemption pages for Homeowner’s Exemption, disabled veteran relief, and filing deadlines before submitting forms.

Title / Legal User Match parcel and recorded documents

Use Assessor records for APN and parcel context, then use the Recorder index for deeds, grantor/grantee records, and document copies.

Business / Manufactured Home Prepare the right documents

Check personal/business property and manufactured-home form paths before relying on a real-property search alone.

Tuolumne County Assessor Quick Facts

Item Current Helpful Detail Official Action
Official office Tuolumne County Assessor-Recorder Open Assessor page
Assessor-Recorder Kaenan Whitman Confirm staff details on the official county page before mailing forms.
Assistant Assessor-Recorder Rachel Jones Use official contact page for staff updates.
Office address 2 S. Green Street, Third Floor, Sonora, CA 95370 Call before visiting if you need a form or fee answer.
Assessor phone (209) 533-5535 Call Assessor
Assessor fax (209) 533-5674 Confirm fax use before sending time-sensitive paperwork.
Property search APN or street address through the county-linked Property Search Tool / Value Notice Open Assessor parcel map page
Tax payments Tax Collector payment/search can use address or assessment number; fees apply Open Tax Collector
Recorded documents Recorder online grantor/grantee index for official records Open Recorder page
GIS County GIS offers public web maps, zoning and land-use lookup, and parcel-related data context Open GIS page

How to Search the Official Tuolumne County Assessor Records

Tuolumne County’s Assessor page explains that the county-linked Property Search Tool / Value Notice lets users view and print the current assessor parcel map, value notices, and limited assessment data. The search path is APN or street address. For vacant land, an APN may be necessary because some parcels have not been assigned a street address.

Start on the official Assessor or parcel map page.

Use the official county Assessor page or Assessor’s Parcel Maps page so you begin from a county source instead of an advertisement or third-party report page.

Open official Assessor parcel maps page

Use APN when possible.

APN search is the cleanest method for vacant land, rural parcels, multiple-lot ownership, older cabins, and places where road names or address formats may vary.

Use street address when you do not have APN.

If address search fails, try fewer words. Avoid extra punctuation, unit information, or spelling variations until you locate the right result.

Save the value notice and parcel map.

Keep a copy or screenshot showing APN, address, value notice details, parcel map, and the date you searched.

Use the right office for the next step.

Move to the Tax Collector for payment status, the Recorder for deeds, and GIS for land-use or zoning map context.

Owner-name search note: The official Assessor parcel map guidance confirms APN or street-address search. Do not assume an owner-name search is available in the Assessor parcel-map tool unless the official search page shows it. For recorded documents, the Recorder’s grantor/grantee index is name-based.

Local Search Tips for Sonora, Twain Harte, Groveland, Jamestown, Columbia, and Rural Parcels

Tuolumne County property searches can be different from flat urban counties because many properties are rural, mountainous, seasonal, vacant, forested, or near areas where street addressing may not be enough. APN is especially helpful for land, cabins, access roads, and parcels with limited address history.

Sonora
Twain Harte
Groveland
Jamestown
Columbia
Mi-Wuk Village
Tuolumne
Rural / vacant land
Practical example: For a Sonora home, street address may work quickly. For forested land, a cabin, a parcel near Groveland, or vacant acreage, APN is often the safer starting point.

APN Guide: When the Assessor Parcel Number Matters Most

The APN is the main parcel identifier for Assessor records, tax bills, maps, value notices, and many recorded-document workflows. In Tuolumne County, it is especially important for properties with no street address, multiple parcels, manufactured homes, rural acreage, business property, or ownership changes.

Use APN for accuracy

APN reduces confusion from similar street names, rural road abbreviations, vacant parcels, seasonal cabins, and address changes.

Use address as a starting point

Address search is useful for homes and developed property, but once you find the parcel, save the APN for tax, GIS, Recorder, and exemption questions.

Where to Find Your APN

Assessor parcel map or value notice
Property tax bill or tax payment portal
Recorded deed or closing statement
GIS map result or land-use lookup
Mortgage or escrow documents
Prior mailed notice from the Assessor or Tax Collector

How to Check Tuolumne County Tax Bills and Online Payment Status

The Assessor determines values and maintains parcel records, but the Treasurer-Tax Collector handles tax billing and collection. Tuolumne County says online property tax payment can be made using your address or assessment number and that fees apply. The payment search portal also explains that users can search by fee parcel, assessment, or street address.

Before You Pay Online

Confirm roll year and current bill year
Match assessment number, fee parcel, or street address
Review any vendor service fee before submitting payment
Save the confirmation number, receipt, and screenshot
Do not pay twice until the Tax Collector confirms payment status
Call the Tax Collector if a balance, default, or penalty looks wrong
Payment safety warning: Do not use a random tax payment result from a search ad. Start from the official Tuolumne County Tax Collector page or the county-linked payment portal.

Forms for Address Changes, Prop 8 Review, Disaster Relief, Ownership Changes, and Manufactured Homes

The Assessor’s forms page includes important property forms such as Address Change Request, Request for Review / Prop 8, Preliminary Change in Ownership Report, Disaster Relief Form, New Construction Exclusion, Agent Authorization, Assessor’s Fee Schedule, and Manufactured Home 433b. Use the official forms page rather than old PDFs from search results.

If You Need To… Likely Form / Office Path What to Prepare
Change mailing address Address Change Request through the Assessor APN list, old address, new mailing address, owner signature, daytime phone.
Request value review Request for Review Form / Prop 8 Value notice, comparable sales, photos, repair estimates, and explanation.
Report disaster damage Disaster Relief Form Damage date, photos, insurance documents, repair estimate, APN.
Handle ownership change Preliminary Change in Ownership Report or transfer forms Recorded deed, transfer date, APN, buyer/seller information, supporting documents.
Ask about manufactured home records Manufactured Home 433b / Assessor guidance HCD or home details, parcel number, owner information, tax bill if available.
Form reminder: Verify the current form, deadline, signature requirement, fee, mailing method, and whether fax or in-person delivery is accepted before submitting.

When to Use Tuolumne County GIS—and When Not to Rely on It

Tuolumne County GIS supports public web maps and map data used for planning, roads, parcels, zoning, land use, supervisor districts, school districts, precincts, special districts, fire-related maps, and other county functions. GIS is helpful for research, but it is not the same as a legal survey or title report.

Parcel Context Use GIS to understand location

GIS can help you see nearby roads, terrain, zoning, land-use designation, and parcel context before calling the county.

Open Tuolumne County GIS

Assessor Map Use Assessor maps for assessment purposes

Assessor maps identify parcels for property tax assessment and are not intended to establish legal parcels.

Open Assessor parcel maps

Survey Use a surveyor for boundaries

For fences, easements, access roads, encroachments, and legal boundary disputes, use recorded documents and a licensed surveyor.

Boundary warning: Online maps are useful for research, but they are not legal surveys. Do not rely on GIS alone for construction, fencing, easements, title decisions, or boundary disputes.

When You Need the Recorder Instead of the Assessor

Use the Tuolumne County Recorder when you need deeds, liens, mortgages, grantor/grantee index research, official record references, document copies, or recording requirements. The Recorder page says an online index to official records is available and includes information for documents recorded since 1973.

Start with the APN or address if you do not know the owner.

Use the Assessor tools first to identify the parcel and related property details.

Use the Recorder’s grantor/grantee index for recorded documents.

Search name variations, because the official Recorder search warns users to search possible spelling variations.

Open Recorder Home Page

Order copies only through official channels.

For legal, official, or government purposes, confirm whether you need plain copies or certified copies directly from the Recorder.

Recorder safety tip: An index is a guide to recorded documents. It should not replace a title search, title insurance review, legal advice, or official document copy when those are required.

Homeowner’s Exemption, Disabled Veteran’s Exemption, Prop 19, and Property Tax Relief

Tuolumne County says the Homeowner’s Exemption may reduce assessed value by up to $7,000 for an owner who owns and occupies the home as a principal residence on January 1. The county also lists a full-exemption filing deadline of 5 p.m. on February 15 for the annual roll, partial treatment between February 16 and December 10 at 5 p.m., and a 30-day window after a Notice of Supplemental Assessment for certain new or acquired homes. Verify the current year’s rules before filing.

Relief Topic Who It May Help Official Action
Homeowner’s Exemption Owner-occupants using the home as their principal residence Open county exemption page
Disabled Veteran’s Exemption Qualified disabled veterans or unmarried surviving spouses Call the Assessor at (209) 533-5535 or review official forms.
Prop 19 / base-year transfer Eligible older, disabled, disaster-affected, or certain family-transfer taxpayers Open California BOE Prop 19
Property Tax Exclusions Certain qualifying transfers or excluded new construction situations Open county exclusions page
Disaster Relief Owners with qualifying damaged property Check official Assessor forms
Exemption reminder: If a property is no longer eligible, the county says you must notify the Assessor. If you change your principal residence, apply for an exemption on the new property if eligible.

How to Prepare for Prop 8 Review or Assessment Appeal

If your value notice looks too high, start with an informal review mindset. Save your current value notice, parcel details, condition evidence, photos, repair estimates, and comparable sales. Tuolumne County lists a Request for Review Form / Prop 8 on the Assessor forms page and has a Decline in Value / Assessment Appeals section linked from the Assessor area.

Save the value notice.

Keep the APN, lien date, assessed value, property characteristics, and any notice date.

Compare similar properties carefully.

Mountain, cabin, acreage, access, fire risk, age, condition, and distance from services can all affect comparability.

Use official review forms.

Download current forms from the Assessor’s Forms page and verify the correct filing deadline before submitting.

Keep evidence organized.

Use a folder with photos, estimates, sale listings, appraisal notes, value notice, tax bill, and any county response.

Appeal warning: Assessment review and appeal rules are deadline-sensitive. This guide is not legal advice. Verify deadlines and forms with the official county source before filing.

Common Tuolumne County Property Tasks and the Best Next Step

These are real user tasks that often lead people to search for the Tuolumne County Assessor. Choose the path that matches your need instead of relying on a generic property report.

APN Lookup Find a parcel when address search fails

Use APN for vacant land, rural areas, mountain parcels, and properties with uncertain street addressing.

Value Notice View assessed value and map data

Use the Assessor-linked property search/value notice path to review assessment data and print helpful records.

Tax Bill Check payment status with the Tax Collector

Use the tax portal when you need amount due, assessment search, fee parcel search, street-address tax search, receipt, or payment status.

Recorder Find deeds and official records

Use the Recorder’s grantor/grantee index when you need a recorded document, deed history, lien, mortgage, or document copy.

GIS Check zoning and land-use context

Use GIS to review map layers, but verify legal boundaries through recorded documents and a surveyor.

Buyer Check Research before purchase

Compare Assessor data, tax status, Recorder documents, GIS context, supplemental tax risk, and exemption status before closing.

Exemption Review homeowner or veteran relief

Check official exemption details and filing deadlines before assuming a savings amount or eligibility.

Address Change Fix mailing address for notices

Use the official address change form and save a copy of your submitted request.

Value Review Prepare evidence before filing

Gather comparable sales, photos, repair estimates, parcel data, and deadlines before asking for review or appeal.

Fees, Deadlines, Processing Time, and Delay Reasons

Online parcel lookup may be quick, but forms, exemptions, assessment review, tax payments, address changes, and recorded documents can take longer. Hard copies of assessor maps, property characteristic profiles, and assessment roll information may be available for purchase at the Assessor’s office, so check the official fee schedule before ordering.

Task What to Verify Common Delay Reason What to Save
APN / address property search APN, street address, value notice, parcel map Vacant land, wrong address format, incomplete APN, rural road names Screenshot, APN, value notice, search date
Tax bill payment Assessment number, fee parcel, amount, roll year, fees Payment processing, wrong parcel, historical roll selected, vendor fee confusion Receipt, confirmation number, bill PDF, payment date
Homeowner’s exemption Eligibility, February 15 deadline, supplemental notice timing Late filing, occupancy issue, missing owner signature, address mismatch Form copy, proof of filing, county response
Prop 8 / value review Form, deadline, evidence, comparable sales Weak evidence, wrong assessment year, missed filing window Photos, estimates, comparable sales, value notice
Recorder document search Grantor/grantee spelling, recording date, document number Name variations, older documents, copy-order requirements Document number, index result, copy receipt

Problems, Complaints, Public Records, and Escalation

If a Tuolumne County property record looks wrong, the best first step is to identify the type of record. Value, tax payment, recorded document, GIS line, and mailing-address issues do not all go to the same office.

Problem Type Best First Step Office / Tool
Assessed value or value notice looks wrong Save the value notice and review Prop 8 / assessment review forms Assessor
Tax bill, receipt, penalty, or online payment issue Contact the Tax Collector with assessment number, fee parcel, and receipt Treasurer-Tax Collector
Deed, lien, mortgage, or official record question Use Recorder grantor/grantee index and order official copies if needed Recorder
Property line or map looks wrong Use GIS as context only; check recorded maps and survey support GIS / Recorder / Surveyor
Mailing address or notice delivery issue Use the official Address Change Request form Assessor
Keep it practical: Save screenshots, parcel numbers, tax bills, receipts, Recorder document numbers, maps, form copies, and staff names before escalating.

Tuolumne County Assessor Contact Information and Office Map

The Tuolumne County Assessor’s Office is listed at 2 S. Green Street, Third Floor, Sonora, CA 95370. Use this office for APN, value notices, parcel maps, exemptions, address changes, Prop 8 review, and assessment questions. For tax bill payments, contact the Treasurer-Tax Collector instead.

Assessor’s Office

Address: 2 S. Green Street, Third Floor, Sonora, CA 95370

Phone: (209) 533-5535

Fax: (209) 533-5674

Official page: Tuolumne County Assessor

Before You Call
  • Have APN or street address ready.
  • Know whether your question is about value, tax payment, deed, GIS, or exemption.
  • Keep tax bill, value notice, deed, or form nearby.
  • Write down the staff name, date, and next step.

Documents Checklist Before You Search, File, Pay, or Visit

APN or street address
Assessment number or fee parcel from tax bill
Recent property tax bill or value notice
Deed, closing statement, or title paperwork
Proof of principal residence for exemption questions
Photos, repair estimates, or comparable sales for value review
Recorded document number or grantor/grantee names
Payment confirmation number or receipt
Old and new mailing address for address changes
Email, phone number, and mailing address for follow-up

Common Mistakes With Tuolumne County Property Records

Search Error Using address when vacant land needs APN

Some parcels have no street address. Use APN for vacant land and rural parcels whenever possible.

Wrong Office Calling the Assessor for payment posting

The Assessor handles value and parcel records. The Tax Collector handles tax payment status and receipts.

Map Issue Treating assessor maps as legal parcel proof

The county states assessment maps are for assessment purposes and are not intended to identify legal parcels.

Recorder Issue Skipping name variations

Recorder search users should try possible spelling variations when searching the grantor/grantee index.

Deadline Issue Waiting on exemption or value review forms

Exemptions and appeals can have strict dates. Verify deadlines before relying on a general guide.

Payment Issue Not saving receipt or selecting wrong roll year

Save payment confirmation and make sure the current roll year is selected when reviewing tax information.

Tuolumne County Property Search Troubleshooting

Problem Likely Reason What to Try Next
No result by address Vacant land, rural road variation, or address format mismatch Search by APN. If using address, try fewer words and remove suffixes or punctuation.
Tax portal does not find bill Wrong roll year, wrong assessment number, or abbreviated street issue Use fee parcel search, verify roll year, and check the Help section in the tax portal.
Value looks too high Market change, new construction, ownership change, or property characteristic issue Save value notice, gather comparable sales, and review Prop 8 / assessment review forms.
Deed or ownership appears outdated Recorder and Assessor processing may not update at the same time Search the Recorder index and contact the Assessor with the APN and recorded document reference.
GIS line conflicts with fence or driveway GIS and assessment maps are not legal surveys Use recorded documents and a licensed surveyor before making boundary decisions.
Payment failed or status unclear Vendor fee, bank processing, portal timeout, duplicate payment concern Do not submit again until checking payment status or contacting the Tax Collector.

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

If You Need… Use This Office / Tool Official Action
APN, parcel map, value notice, limited assessment data Assessor / Property Search Tool / Value Notice Open Assessor parcel maps page
Tax bill, payment, receipt, delinquency, assessment search Treasurer-Tax Collector Open Tax Collector
Deed, lien, grantor/grantee index, recorded document copy Recorder Open Recorder
Zoning, land use, parcel context, public map layers GIS Open GIS
Homeowner exemption, disabled veteran exemption, exclusions Assessor / California BOE Open county exemptions
Prop 8 review, value complaint, disaster relief, address change Assessor Forms Open Assessor forms

After You Submit a Form, Payment, or Search Request

After using a Tuolumne County property tool or submitting a form, save evidence. This protects you if there is a deadline, payment issue, valuation question, ownership update, or document-copy request.

Save APN and value notice
Print or screenshot parcel map or GIS context
Save tax payment receipt and confirmation number
Keep mailed form tracking or fax confirmation
Write down staff name and call date
Save Recorder document number or index result
Calendar exemption, review, appeal, or payment deadlines
Do not assume acceptance until the official office confirms it

Safety and Scam Warning for Tuolumne County Property Searches

Property records attract paid report pages, fake payment links, unofficial phone numbers, and misleading download buttons. Some private sites may show public data, but they are not the official county source for payment, appeal, exemption, or recorded-document actions.

Before paying or filing: Confirm the domain, start from the official county page, review any service fee, save proof, and never provide payment information to a random phone number or ad-driven page.

AI / GEO Quick Answer Block

Official property office Tuolumne County Assessor-Recorder for APN, value notices, parcel maps, exemptions, Prop 8 review, and address-change forms.
Main search action Use the county-linked Property Search Tool / Value Notice by APN or street address; vacant land may require APN.
Tax bill action Use the Treasurer-Tax Collector for online payment, assessment search, fee parcel search, address search, receipts, and payment questions.
Recorded document action Use the Recorder grantor/grantee index for deeds, liens, official records, and document-copy direction.
GIS action Use GIS for zoning, land use, parcel context, and map layers; do not treat GIS as a legal survey.
Best next step Save the APN, then verify the correct official office before payment, filing, appeal, purchase, or legal use.

Official Source Notes

Tuolumne County Assessor: official page for Assessor-Recorder contact information, parcel maps, data disclaimer, forms, and assessment role. Open source
Assessor’s Parcel Maps: official county page explaining APN or street-address search and vacant-land APN needs. Open source
Assessor’s Forms: official forms page for address change, Prop 8 review, disaster relief, fee schedule, ownership change, and manufactured home forms. Open source
Property Tax Exemptions: official county page for Homeowner’s Exemption, disabled veteran exemption, and exemption timing details. Open source
Tax Collector: official county page for property tax payment options, payment fees, phone payment, e-billing, and tax announcements. Open source
Tax Bill Search: county-linked tax portal for assessment, fee parcel, and street-address search. Open source
Recorder: official Recorder page for grantor/grantee index, recorded documents, copies, and recording requirements. Open source
GIS: official GIS page for public web maps, zoning/land-use lookup, parcel layer context, and county GIS services. Open source

Frequently Asked Questions

How do I search Tuolumne County Assessor property records?

Use the official Tuolumne County Assessor page or Assessor’s Parcel Maps page and search through the county-linked Property Search Tool / Value Notice by APN or street address.

Can I search Tuolumne County property records by owner name?

The official Assessor parcel map guidance confirms APN or street-address search. For name-based recorded document research, use the Recorder’s grantor/grantee index and search spelling variations.

Where is the Tuolumne County Assessor located?

The Tuolumne County Assessor’s Office is listed at 2 S. Green Street, Third Floor, Sonora, CA 95370.

What is the phone number for the Tuolumne County Assessor?

The Tuolumne County Assessor phone number is (209) 533-5535. Call before visiting if you need a specific form, fee schedule, exemption question, or value review answer.

How do I find a Tuolumne County APN?

You can find the APN on the Assessor parcel map or value notice, property tax bill, deed, GIS map result, or closing documents. APN is often required for vacant land or rural parcels.

Who handles Tuolumne County property tax payments?

The Tuolumne County Treasurer-Tax Collector handles property tax payments, receipts, payment status, and online payment questions. The Assessor handles value and parcel records.

Are the tools on this page official Tuolumne County calculators?

No. The tools on this page are planning helpers only. They do not create an official tax bill, legal survey, assessment decision, exemption approval, or government record.

Is Tuolumne County GIS the same as a legal survey?

No. GIS and assessor maps are useful for research and assessment context, but they are not legal surveys. Use recorded documents and a licensed surveyor for boundary decisions.

How do I get a deed or recorded document in Tuolumne County?

Use the Tuolumne County Recorder page and grantor/grantee index for recorded document research. For official or certified copies, follow the Recorder’s copy-order instructions.

How much is the Tuolumne County Homeowner’s Exemption?

Tuolumne County states that the Homeowner’s Exemption can reduce assessed value by up to $7,000 for an eligible owner who owns and occupies the home as a principal residence.

What should I do if my assessed value looks too high?

Save your value notice, gather comparable sales and property-condition evidence, then review the Assessor’s Request for Review Form / Prop 8 and assessment appeal information before filing.

What should I save after paying Tuolumne County property taxes online?

Save the tax bill, receipt, confirmation number, roll year, assessment number or fee parcel, payment date, and any email confirmation before closing the payment page.

Final Next Step

Start with the Assessor if you need APN, street-address parcel search, value notices, maps, exemptions, address changes, or Prop 8 review. Use the Tax Collector for tax bills and payments, the Recorder for deeds and official records, and GIS for map context. Before you pay, file, appeal, buy, sell, or rely on any record, verify the final details with the official Tuolumne County or California source.