Tuolumne County Property Tax Rates by City, Area, and Tax District 2026
Tuolumne County’s effective property tax rate was approximately 0.6738% in 2024, with median property taxes of about $2,737. Actual bills vary by parcel because taxable value, tax rate area, local bonds, and other charges can differ across Sonora, Jamestown, Groveland, and surrounding communities.
Effective Tax Rate
0.6738%
Median Property Tax
$2,737
Tax per $100K
$674
Last Update
August 2026
Tuolumne County Property Tax 2026-27
Tuolumne County Property Tax Rate
Tuolumne County property tax rates vary by district in the provided data. Parcel bills can still include fixed charges, parcel taxes, CFD charges, or special assessments depending on the property.
Base rate
1.0000% general ad valorem tax.
District rates
Tuolumne County district rates vary from 1.0000% to 1.4835% in the provided data.
Direct charges
Special assessments and parcel charges are added separately.
Area
Representative Rate
Countywide-Unitary Base Rate
1.0000%
Big Oak Flat / Groveland Unified Zone
1.0450%
Chinese Camp District Baseline
1.0300%
Columbia District Baseline
1.0500%
Jamestown District Baseline
1.0425%
Mi Wuk Village District Baseline
1.1600%
Moccasin District Baseline
1.0450%
Pinecrest District Baseline
1.0350%
Sonora (City) District
1.0300%
Soulsbyville District Baseline
1.0350%
State Unitary Utility Allocation
1.0000%
Strawberry District Baseline
1.0350%
Tuolumne City / Summerville High Zone
1.0550%
Twain Harte District Baseline
1.0425%
Unincorporated Area Baseline
1.0000%
Yosemite Joint Community College Overlap
1.0214%
Other Tuolumne County Property Tools
Property tax research often requires more than a tax-rate estimate. California Property Checker also provides property-focused tools that can help users examine a parcel, estimate potential taxes, review transfer-related charges, and understand the property’s geographic or zoning context.
Tuolumne County Property Search
Search property information by owner name, address, parcel number, city, ZIP code, or other available property details and filters.
Tuolumne Property Tax Calculator
Estimate potential annual property taxes by combining a property's value with applicable tax-rate information for planning purposes.
Tuolumne Doc Stamp Calculator
Calculate estimated documentary transfer tax amounts associated with qualifying real estate transfers and related recorded documents.
Tuolumne County Zoning and Maps
Explore parcel boundaries, property locations, zoning information, maps, and other geographic details relevant to a property.
How Property Tax Rates Are Applied in Tuolumne County
The amount ultimately owed starts with the property’s taxable assessed value and the tax rate applicable to its parcel. California’s Proposition 13 framework generally limits the basic property tax levy to 1% of assessed value, plus voter-approved bonded indebtedness. A property’s final bill can also contain separate assessments or direct charges.
Assessed Value Is the Starting Point
The Assessor determines taxable value under California property-tax rules. When property changes ownership or qualifying new construction occurs, a new base-year value may be established. For existing properties, annual increases to the base-year value are generally limited by Proposition 13.
The Applicable Rate Is Calculated
The basic 1% levy is only part of the picture. Tuolumne County’s financial records show additional rates associated with bonds and other taxing components, producing an average county tax rate above 1% in some years.
Tax Rate Areas Combine Agencies
A tax rate area identifies a particular combination of taxing jurisdictions serving a geographic location. The California State Board of Equalization maintains Tuolumne County’s annual tax-rate-area maps, allowing parcel locations to be matched with their applicable districts.
Bonds Can Increase the Bill
Voter-approved bonded indebtedness can create additional property-tax charges beyond the basic levy. These amounts are not necessarily imposed countywide, so the impact depends on whether a parcel falls within the relevant taxing area.
Exemptions Can Reduce Taxable Value
Eligible homeowners may claim a Homeowners’ Exemption that reduces assessed value by up to $7,000 for a qualifying principal residence. The exemption can lower the resulting tax, although eligibility and filing requirements apply.
Supplemental Bills Reflect Reassessment
A qualifying ownership change or completion of new construction can produce a supplemental assessment. The supplemental bill accounts for the difference between the property’s previous assessed value and its newly established base-year value for the applicable period.
Why Tuolumne County Has Different Tax Districts and Local Rates
From Sonora and Columbia to Groveland and rural mountain communities, property parcels can receive services from different combinations of local agencies. These geographic differences create separate tax rate areas and explain why neighboring properties may not have identical total property-tax bills.
- Tax districts exist so specific agencies can finance services within defined geographic boundaries.
- Local service needs differ across Sonora, Groveland, Jamestown, and unincorporated communities throughout the county.
- Tax rate areas combine the particular taxing agencies that apply to a parcel.
- Two nearby properties can have different bills because their parcels fall within different taxing jurisdictions.
- Voter-approved bonds can add property-tax charges to parcels located within designated areas.
- A property's precise parcel location determines which districts, assessments, and direct charges apply.
Check Property Tax Rates in Nearby California Counties
Comparing neighboring counties can help buyers, homeowners, investors, and researchers evaluate how local property-tax costs differ across the Sierra Nevada and Central California. California Property Checker provides county-specific property information and tools for researching properties beyond a single jurisdiction.
Frequently Asked Questions
Does buying a home in Tuolumne County change its assessed value?
Generally, a qualifying change in ownership causes the Assessor to establish a new base-year value. The resulting taxable value may differ substantially from the seller’s previous assessed value, which can change the buyer’s future property-tax obligation.
Can my assessed value decrease if my property's market value falls?
Yes. If the property’s market value as of January 1 is lower than its assessed value, the owner can request a review for a decline in value. The Assessor reviews the property under California’s applicable assessment rules.
What happens to property taxes after new construction?
New construction can create a supplemental assessment based on the value added by the completed work. Tuolumne County explains that construction completed during different parts of the fiscal year can result in different supplemental assessment periods.
Do I receive a separate bill after a reassessment?
A qualifying reassessment can result in one or more supplemental tax bills in addition to the regular annual bill. These bills reflect the additional tax associated with the newly established value and cover the applicable portion of the fiscal year.
When are regular Tuolumne County property taxes due?
Regular secured property taxes are paid in two installments. The first installment is due November 1, while the second is due February 1. Payments made after December 10 or April 10, respectively, generally incur penalties.
What if I never receive my property tax bill?
Not receiving a tax bill does not remove the owner’s responsibility to pay. Tuolumne County advises property owners to contact the Tax Collector if an annual bill has not been received, rather than waiting until a payment becomes delinquent.
How can I challenge my property's assessed value?
Owners can discuss the valuation with the Assessor and request an informal review. A formal Application for Changed Assessment can also be filed with the local Board of Equalization through the Tuolumne County Board of Supervisors.
What is the deadline for a Tuolumne County assessment appeal?
For the annual assessment roll, the regular filing period is July 2 through November 30, subject to the county’s applicable annual deadline. Supplemental assessment appeals generally must be filed within 60 days of the notice of assessment.
How much does the Homeowners' Exemption reduce taxable value?
For an eligible principal residence, the Homeowners’ Exemption can reduce assessed value by up to $7,000. Tuolumne County states that the full exemption is available when the annual claim is filed by February 15.
Where can I check the tax amount for a specific property?
For an exact amount currently owed, the official tax bill or county tax records should be used. A property-tax calculator can provide an estimate, but it should not be treated as a substitute for the parcel’s actual tax bill.