The San Mateo County Tax Collector’s Office wants to remind taxpayers who own property in San Mateo County that property tax penalty waivers for circumstances associated with COVID-19 will be accepted until May 6, 2021. After this date, the Tax Collector’s office no longer has the authority to review or authorize penalty waivers due to COVID-19.
- The Tax Collector’s Office is open to the public from 9-5, M-F. Face masks are required.
- You can still make appointments online at tax.smcgov.org
- The Tax Collector's Office public telephone line is currently down. This message will be removed when it is back online.
San Mateo County Treasurer/Tax Collector, Sandie Arnott, an elected official, is charged with managing and protecting the County’s financial assets. She acts as the banker for the County and directs the investment of the County’s funds. The funds are invested in a portfolio of credit instruments called a pool. County Pool depositors include the County of San Mateo, elementary schools, high schools, community colleges and various other special districts and agencies within the County. It is the Treasurer’s mission to provide all pool participants with safety, liquidity and yield on their investments.