Business Personal Property

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To file: Please fill out the applicable forms below and include the business name, mailing address and account number if you have one. First-time filers should simply print ‘New Account’ across the top of the form and we will assign an account number.

You can file through e-SDR, DocuSign or send to:

​Email: ask571Lonline@smcacre.org

Mail to:
San Mateo County Assessor-Clerk-Recorder
ATTN: Business Personal Property Section
555 County Center
Redwood City, CA 94063

If you have questions, call us and leave a voicemail message at 650.363.4501.

Office hours Monday through Friday 8-5 p.m.


File 571-L online
How to e-File 571-L instructions

Form 571-L by applicable year
Specialized property statement forms
Other Forms
Leased Equipment Forms
Valuation Factors