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San Joaquin County dates and official links

San Joaquin County property tax tools

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Tools for San Joaquin County, CA

Estimated bill

Starts at the county’s Census median: $530,700. Change it to your best estimate.

Estimated annual bill$3,960

Your home value × the county’s Census effective rate; your actual bill may differ.

Not tax or legal advice; confirm with your county.

Official tax information

Census survey, 2020–2024. Rate = median annual taxes ÷ median home value.

Census home value source
0500000US06077|530700|6613

Official source. Last verified 2026-10-24.

Census taxes paid source
0500000US06077|3960|68|4351|88|3017|133

Official source. Last verified 2026-10-24.

Late payment penalty

Not available yet

A complete date-based penalty rule and its matching cutoff have not been verified here.

Not tax or legal advice; confirm with your county.

Check the official information

Source and verification
The first installment is due and payable on November 1, 2026, and will become delinquent if not paid by 5:00 p.m. on December 10, 2026; thereafter a 10% penalty will be added. The second installment is due on February 1, 2027, and will become delinquent if not paid by 5:00 p.m. on April 12, 2027; thereafter a 10% penalty will be added plus a $10.00 cost to prepare delinquent tax notices for unpaid taxes.

Official source. Last verified 2026-10-24.

Exemption savings

Check the exemptions that may fit. A “Yes” does not confirm eligibility; your assessor makes that decision.

Homeowners' Exemption

Qualifying owners whose home is their principal residence on January 1.

Does this describe you?
Possible annual savingsAnswer above

We’ll show the next step for this exemption.

Not tax or legal advice; confirm with your county.

Official eligibility and application

Eligibility source
The California Constitution provides a $7,000 reduction in the taxable value for a qualifying owner-occupied home. The home must have been the principal place of residence of the owner on the lien date, January 1st.

Official source. Last verified 2026-10-24.

Savings source
To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. A person filing for the first time on a property may file anytime after the property or claimant becomes eligible, but no later than February 15 to receive the full exemption for that year.

Official source. Last verified 2026-10-24.

Disabled Veterans' Exemption

Qualifying veterans rated or compensated at 100% for service-connected disability, or qualifying unmarried surviving spouses; principal residence required.

Does this describe you?
Possible annual savingsAnswer above

We’ll show the next step for this exemption.

Not tax or legal advice; confirm with your county.

Official eligibility and application

Eligibility source
The Disabled Veterans' Exemption reduces the property tax liability on the principal place of residence of qualified veterans who, due to a service-connected injury or disease, have been rated 100% disabled or are being compensated at the 100% rate due to unemployability. An unmarried surviving spouse of a qualified veteran may also claim the exemption.

Official source. Last verified 2026-10-24.

Savings source
the claim form must be filed between the date of the eligibility event and on or before the following January 1, or 90 days after the date of the eligibility event, whichever is later. The claim form must be filed annually between January 1 and on or before February 15.

Official source. Last verified 2026-10-24.

Estimates are separate. Do not add them together; eligibility, taxing units and restrictions can overlap.

Is my assessment too high?

Use market value, not assessed or taxable value.

Compared with the county medianAt the median

This compares market values only; being above the county median does not establish overassessment.

Not tax or legal advice; confirm with your county.

Official appeal information

Census survey, 2020–2024. Rate = median annual taxes ÷ median home value.

Census home value source
0500000US06077|530700|6613

Official source. Last verified 2026-10-24.

Census taxes paid source
0500000US06077|3960|68|4351|88|3017|133

Official source. Last verified 2026-10-24.

Appeal dates and filing

Published appeal window: July 2, 2026 through November 30, 2026.

How to file: Clerk of the Board Office, 44 North San Joaquin Street, Sixth Floor, Suite 627, Stockton, CA 95202

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 source. Last verified 2026-10-24.

Official appeal source. Last verified 2026-10-24.

Official appeal source. Last verified 2026-10-24.

Official appeal source. Last verified 2026-10-24.

Compare counties

Compare the same home value in up to four counties.

City or county works too.

    Starts at the county’s Census median: $530,700. Change it to your best estimate.

    Estimated annual differenceAdd a place

    Enter another ZIP, city or county to compare estimated annual bills.

    Not tax or legal advice; confirm with your county.

    Not tax or legal advice; confirm with your county. How these estimates work.

    Updated , from cited verification dates. Individual sources may have earlier checks.