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Stanislaus County property tax due dates 2026

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Due in 9 days

First secured-tax installment: (statutory)

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Not tax or legal advice; confirm with your county. Dates are shown as published by the source.

Installment timeline

  1. First secured-tax installment

    statutory. Official source

  2. Second secured-tax installment

    statutory. Official source

  3. Appeal

    November 30, 2026

    Official source. Verified .

Download announced dates (.ics)

Only announced dates are included, with a reminder seven days before. Re-download after dates change.

How to pay

Payment methods

Credit card, Debit card, E-check

Official source. Verified .

Fees

Credit card: 2.25%, minimum $2; debit card: $3.95; e-check: $0.25.

Official source. Verified .

Late payments and penalties

Delinquent after

December 10, 2026

Official source. Statutory. Verified .

A late first installment incurs a 10% penalty; a late second installment incurs a 10% penalty plus $10.

Official source. Verified .

Assessment appeals

Deadline

November 30, 2026

Official source. Verified .

The filing office lists July 2–November 30, 2026 for regular assessments. Supplemental and escape appeals are due within 60 days of postmark or the mailing date on the bill, whichever is later.

Official source. Verified .

Where to file

Clerk of the Board of Supervisors, 1010 10th Street, Suite 6700, Modesto, CA 95354.

Official source. Verified .

Official appeal information

Official appeal information

Official source. Verified .

Exemptions

Homeowners' exemption

Who may qualify

Owners occupying the home as their principal residence on January 1 may qualify for up to $7,000 off assessed value.

Official source. Verified .

Savings

Regular timely exemption claims are due February 15; the county also lists December 10 for late homeowner and veteran claims eligible for partial relief.

Official source. Verified .

Official exemption information

Official exemption information

Official source. Verified .

Veterans' exemption

Who may qualify

Single veterans with assets not over $5,000; married veterans or qualifying unremarried widows with assets not over $10,000.

Official source. Verified .

Savings

Regular timely exemption claims are due February 15; the county also lists December 10 for late homeowner and veteran claims eligible for partial relief.

Official source. Verified .

Official exemption information

Official exemption information

Official source. Verified .

Disabled veterans' exemption

Who may qualify

Veterans with qualifying service-connected disabilities, or qualifying unmarried widows, may qualify.

Official source. Verified .

Savings

Regular timely exemption claims are due February 15; the county also lists December 10 for late homeowner and veteran claims eligible for partial relief.

Official source. Verified .

Official exemption information

Official exemption information

Official source. Verified .

Proposition 19 senior or disability base-year transfer

Who may qualify

Eligible homeowners over 55 or disabled who buy or build a replacement primary home within two years of selling their original primary home may transfer the assessed base-year value.

Official source. Verified .

Savings

A replacement home may be anywhere in California. A higher replacement market value adds the difference to the transferred base-year value. Up to three transfers are permitted.

Official source. Verified .

Official exemption information

Official exemption information

Official source. Verified .

County offices

County notes

The statutory first installment date of November 1 falls on Sunday in 2026, so the next business day is November 2. The second-installment delinquency date of April 10 falls on Saturday in 2027, so the next business day is April 12.

Official source. Statutory. Verified .

The state calendar sets April 10 as the regular second-installment delinquency date.

Official source. Statutory. Verified .

The assessor’s overview instead lists December 1, 2026 for the 2026–27 appeal deadline. This conflicts with the filing office’s November 30 deadline; confirm with the Clerk of the Board before relying on the later date.

Official source. Verified .

Common questions

When is property tax due in Stanislaus County?

First secured-tax installment: November 2, 2026 (statutory). Second secured-tax installment: February 1, 2027 (statutory).

Where can I pay Stanislaus County property tax?

Use the official payment portal: https://www.stancounty.com/tr-tax/tax-disclaimer2.shtm. Credit card, Debit card, E-check

What is the Stanislaus County appeal deadline?

November 30, 2026. Clerk of the Board of Supervisors, 1010 10th Street, Suite 6700, Modesto, CA 95354.

What happens if my Stanislaus County payment is late?

A late first installment incurs a 10% penalty; a late second installment incurs a 10% penalty plus $10.

Sources and verification

https://www.stancounty.com/assessor/index-contents.shtm
On June 30, 2026, the Assessor announced the 2026-2027 $76.38 Billion annual Property Assessment Roll

Verified

https://boe.ca.gov/proptaxes/calendar.htm
§ 2605 Rev. & Tax. Code November 1 First installment of real property taxes and all taxes on personal property on the secured roll are due and payable.

Verified

https://www.stancounty.com/tr-tax/faq.shtm
1st installment penalty = 10% of the 1st installment amount 2nd installment penalty = 10% of the 2nd installment amount plus $10.00

Verified

https://www.stancounty.com/board/aab/
Between July 2, 2026 to November 30, 2026

Verified

https://www.stancounty.com/tr-tax/index.shtm
Treasurer / Tax Collector

Verified

https://www.stancounty.com/assessor/Exemptions.shtm
Assessor's Office

Verified

https://www.stancounty.com/assessor/importantdates.shtm
February 15th Deadline for timely filing of all Exemption claims December 10th Deadline for late filing of Homeowners' & Veterans' Exemptions to qualify for a partial exemption.

Verified

https://www.stancounty.com/assessor/Exclusions.shtm
Proposition 19 allows a homeowner who is over 55, or disabled, to transfer the base year value of their original primary home to a new home that is acquired or newly constructed within two years of the sale of the original primary residence.

Verified

Plan your next step

Estimate a bill and check your assessment

Census survey estimates, 2020–2024. These county medians describe a survey population; they do not establish your home’s correct assessment.

Median home value
$450,100
Median annual taxes paid
$3,216
Estimated effective rate
0.71%

Census home values, Census taxes paid. Last verified 2026-10-24. Rate = median taxes ÷ median home value. Displayed rates are rounded; calculations use the unrounded ratio.

Example at $450,100: $3,216 per year, using the Census estimate.

Is my assessment too high?

At the default market value and bill, both equal the county medians. Being above a median does not establish overassessment. Assessed or taxable values may use a different basis and cannot be compared directly with Census market values.

Appeal timing and filing

Published appeal deadline: November 30, 2026 (announced).

The filing office lists July 2–November 30, 2026 for regular assessments. Supplemental and escape appeals are due within 60 days of postmark or the mailing date on the bill, whichever is later.

How to file: Clerk of the Board of Supervisors, 1010 10th Street, Suite 6700, Modesto, CA 95354.

State guidance: File the county's Assessment Appeal Application (BOE-305-AH) with the clerk of the board in the county where the property is located.

Official appeal information and filing instructions

Appeal sources and verification

No savings are promised. Not tax or legal advice; confirm with your county. Estimate methodology and limitations.

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