Property Tax Appeals in Merced County, California
Merced County's Assessment Appeals page states a $30.00 non-refundable Filing Fee for each Assessment Appeal Application filed, with one application required for each parcel. The Assessor's Assessment Appeals page directs owners to request an Application for Reduced Assessment by phone or to write the Assessment Appeals Board at 2222 "M" Street, Merced, CA 95340, and notes that applications can also be found online under the Board of Supervisors Department; neither page describes an online e-filing or payment system. FairPath can organize an owner-managed comparison table, condition exhibits, official links, and a filing checklist. It does not file the application, select the owner's opinion of value, pay the fee, negotiate with the Assessor, or appear at the hearing.
Assessment context: Begin with the Assessor's parcel record and confirm whether the dispute concerns the January 1, 2026 lien-date value on the regular roll, a supplemental assessment tied to a change of ownership or new construction, or an escape assessment. Merced County spans the urbanized city of Merced and smaller cities such as Los Banos, Atwater, and Livingston, alongside extensive agricultural land across the San Joaquin Valley floor. A dairy or orchard parcel a few miles from a subdivision lot is not automatically comparable. Zoning, agricultural use, water access, and site condition should be confirmed against the Assessor's record rather than assumed from a map.
Filing process: Call (209) 385-7366 or write the Assessment Appeals Board at 2222 "M" Street, Merced, CA 95340 to request an Application for Reduced Assessment, or download the Assessment Appeal Application and Instructions online under the Board of Supervisors Department. Provide the parcel information and an opinion of value, and include the $30.00 non-refundable filing fee with the completed application for each parcel appealed. An owner is urged to discuss the assessment with the Assessor's real property or auditor-appraisal staff first, though that discussion does not substitute for a timely filed application, and an agreement with the Assessor can still be reached anytime up to the hearing date. Property taxes remain due while the appeal is pending.
Evidence to review: Merced County's Assessment Appeals Board determines value based on the evidence presented by both the applicant and the Assessor at a hearing, following the Merced County Assessment Appeals Board Local Rules. Build a comparable-sales table showing sale date, price, parcel, community, lot size, living area, age, and condition, and prioritize sales close to the January 1, 2026 lien date; California generally excludes comparable sales occurring more than 90 days after that date. For agricultural or rural parcels, document water access, crop or use type, and any physical limitations with dated photographs or inspection findings rather than relying on a distance-only comparison.
Current deadline guidance: 2026 regular assessment appeals: July 2 through November 30, 2026. Merced County's Board of Supervisors Assessment Appeals page states that for Regular Assessments, the filing period is between July 2 and November 30, consistent with the California State Board of Equalization's certified county filing-period table; if November 30 falls on a Saturday, Sunday, or legal holiday, an application mailed and postmarked on the next business day is deemed timely. Supplemental and escape assessments instead run within 60 days after the mailing date printed on the tax bill or the postmark date of the notice or tax bill, whichever is later.
Merced County's 2026 regular filing period runs July 2 through November 30, matching the state's extended deadline group.
The Assessment Appeals Board charges a $30.00 non-refundable filing fee for each Assessment Appeal Application filed.
Merced County's posted pages describe requesting an application by phone or mail and writing to the Assessment Appeals Board at 2222 "M" Street, Merced; an online e-filing system is not described.
An application mailed and postmarked on the next business day is deemed timely if November 30 falls on a Saturday, Sunday, or legal holiday.
Official filing authority: Merced County Assessment Appeals Board. https://www.countyofmerced.com/251/Assessment-Appeals
Source: Merced County Board of Supervisors, Assessment Appeals, https://www.countyofmerced.com/251/Assessment-Appeals. Reviewed 2026-09-22.
Source: Merced County Assessor, Assessment Appeals, https://www.countyofmerced.com/180/Assessment-Appeals. Reviewed 2026-09-22.
Source: California State Board of Equalization, Letter to Assessors 2026/023: 2026 Assessment Appeal Filing Periods, https://boe.ca.gov/proptaxes/pdf/lta26023.pdf. Reviewed 2026-09-22.
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