County of San Mateo Tax Collector's Office (CA)
Please Note
We are a service company that can help you file with the County of San Mateo Tax Collector's Office (CA). We are not associated with this nor any other government agency. We offer paid services and software to help you file. You are not required to purchase our service to file - you may file directly with this agency without using our service.
Contact Information
555 County Center Floor 1
Redwood City, CA 94063
Mailing address:
PO Box 45878
San Francisco, CA 94145-0878
Phone: (866) 220-0308
Fax: (650) 599-1511
Web: Home Forms
Email: taxmaster@smcgov.org
Licenses
We track the following licenses with the County of San Mateo Tax Collector's Office (CA) in order to provide compliance services to our clients. As a client, you see this and other Compliance Core™ data in License Manager in-line with your licenses.

Related Government Agencies
Explore other San Mateo County government agencies we can help you stay compliant with:
