Assessor Forms
Builder’s Exclusion for Residential Forms
Click for detail information on Builder’s Exclusion
Business Property Statement Forms
Business Personal Property Information
Form 571-L by applicable year
Specialized property statement forms
- 571-S form (Service Station Supplemental Schedule)
- 571-H form (Hotel Supplemental Schedule)
- 571-R form (Apartment House)
- 571-LA form (Alternate SCHEDULE A for Bank, Insurance Company or Financial Corporation Fixtures)
- 571-F form (Agricultural)
- Vessel Property Statement
- Aircraft Property Statement
To file: Print the form and include the business name, mailing address and account number, if you have one, on the printed form before filing it with this office. First-time filers should simply print ‘New Account’ across the top of the form and this office will assign an account number.
Send it to:
San Mateo County Assessor-Clerk-Recorder
ATTN: Personal Property Section
555 County Center
Redwood City, CA 94063
Other Forms
Calamity Relief Form
Click for detail information on Calamity Relief
File an Application for Reassessment of Property Damaged by Misfortune or Calamity
Change in Ownership Forms
The preliminary change in ownership report must be completed
by transferee (buyer) prior to transfer of subject property in
accordance with section 480.3 of the Revenue and Taxation Code. A
Preliminary Change of Ownership Report must be filed with each
conveyance in the County Recorder’s office for the county where
the property is located. This particular form may be used in all
58 counties of California.
Preliminary
Change in Ownership Report (BOE 502-A)
Homeowners’ Exemption Form
Click for detailed information at Homeowner Exemption
To request a claim form, email the Assessor Division and include the property address, your mailing address and/or your Assessor’s Parcel Number.
Institutional Exemptions Forms
For detailed information, click the Institutional Exemption detail post.
Property Use Report is required for all institutional exemption filings except for welfare exemptions.
For further information regarding welfare, church and religious exemptions, see Welfare, Church and Religious Exemptions.
Request a specific form to be mailed to you by sending us an email to institutionalexemptions@smcacre.org.
Church Exemption
Parent & Child and/or Grandparent-Grandchild Reassessment Exclusion Forms
Possessory Interests Forms
California law requires every state or local governmental entity that is the fee owner of real property in which one or more taxable possessory interests have been created or renewed to provide the assessor of the county in which the property is located information identifying the holder(s) of a taxable possessory interest, the property involved and the terms and conditions of the agreement giving rise to the taxable possessory interests.
Property Tax Postponement for Senior Citizens, Blind, or Disabled Persons Form
Click for detail information on Property Tax Postponement
A copy of the application and instructions can be downloaded here.
Property Tax Relief Filing
Decline in Market Value - Proposition 8
The deadline to file a Decline in Value application was October 31, 2019. The Assessor is not accepting applications at this time.
Splitting or Combining Parcels
Any San Mateo County property owner can request that their parcel be split or combined with other parcels that they own if an APN can be described/delineated by existing parcel and/or lot lines and the parcels of land in the opinion of the assessor can be redefined without compromising ownership, tax rate areas, general use and assessment of the land.
Williamson Act Land Conservation Program Detail
Click for detail information on Williamson Act