Clerk of the Board — records
Stanislaus County application, filing fee, instructions and local rules.
Before you start · 4 requirements & conditions
- Information & documents · Separate application per parcel
- Use a separate application for each parcel.
Source & saved evidence
Stanislaus County · Stanislaus — assessment appeals information (opens in a new tab)
Assessment appeals — Separate application per parcel
One Assessment Appeal Application is required for each parcel.
Agent source review: October 15, 2026 · Snapshot
4f3ee468c5e6199b - Deadlines · 2026 regular assessment appeals only
- For Stanislaus County’s 2026 regular assessment appeal, file July 2 through November 30, 2026. Other appeal types have separate, notice-based deadlines.
Source & saved evidence
BOE LTA2026/023 — page2, 2026 county filing deadline table
County Assessment Appeals Filing Periods for 2026 The clerks of county assessment appeals boards and county boards of equalization have certified the assessment appeals filing period for their counties pursuant to the requirements of Revenue and Taxation Code section 1603. The regular appeals filing period in each county will begin on July 2, 2026, and will end either on September 15, 2026, or November 30, 2026, depending on whether the County Assessor has elected to mail assessment notices to all taxpayers with property on the secured roll by August 1, 2026. The following table shows the filing deadline for each county: FILING FILING COUNTY COUNTY DEADLINE DEADLINE Alameda September 15 Orange November 30 Alpine September 15 Placer September 15 Amador November 30 Plumas November 30 Butte November 30 Riverside November 30 Calaveras November 30 Sacramento November 30 Colusa November 30 San Benito November 30 Contra Costa November 30 San Bernardino November 30 Del Norte November 30 San Diego November 30 El Dorado November 30 San Francisco September 15 Fresno November 30 San Joaquin November 30 Glenn November 30 San Luis Obispo September 15 Humboldt November 30 San Mateo November 30 Imperial November 30 Santa Barbara November 30 Inyo September 15 Santa Clara September 15 Kern November 30 Santa Cruz November 30 Kings September 15 Shasta November 30 Lake November 30 Sierra September 15 Lassen November 30 Siskiyou November 30 Los Angeles November 30 Solano November 30 Madera November 30 Sonoma November 30 Marin November 30 Stanislaus November 30 Mariposa November 30 Sutter November 30 Mendocino November 30 Tehama November 30 Merced November 30 Trinity November 30 Modoc November 30 Tulare November 30 Mono September 15 Tuolumne November 30 Monterey November 30 Ventura September 15 Napa November 30 Yolo November 30 Nevada November 30 Yuba November 30
Agent source review: October 15, 2026 · Snapshot
c80e564097ddf0c2 - Information & documents · County-specific formal appeal application
- Use the BOE-305-AH application provided by the county where the property is located; a generic sample is not a valid filing.
Source & saved evidence
California State Board of Equalization · Assessment appeal FAQ (opens in a new tab)
BOE assessment appeals FAQ
You must file an Assessment Appeal Application, form BOE-305-AH, obtained from the clerk of the board of the county where your property is located. Some counties have this form available on the website of either the clerk of the board or the county assessor, or both. You must use the county application for the appeal to be considered a valid filing.
Agent source review: October 15, 2026 · Snapshot
92069ed341a828bf - Payments · Taxes while an appeal is pending
- Pay property taxes on time while an appeal is pending to avoid penalties and interest. Filing an appeal does not suspend tax payments.
Source & saved evidence
California State Board of Equalization · Assessment appeal FAQ (opens in a new tab)
BOE assessment appeals FAQ
Yes. You are required to pay your property taxes timely despite any appeal you have pending. Failure to do so will result in financial penalties and interest charges regardless of the outcome of your appeal. If you are granted a reduction, you will receive a refund and interest.
Agent source review: October 15, 2026 · Snapshot
92069ed341a828bf
Source & saved evidence
Stanislaus County · Stanislaus — assessment appeals information (opens in a new tab)
Assessment appeals — Assessment appeal application — Clerk mailing and filing fee
Mail applications to: CLERK OF THE BOARD OF SUPERVISORS
Agent source review: October 15, 2026 · Snapshot 4f3ee468c5e6199b
Contacts & sources · 1 fee published by this office · 2 forms