San Mateo County
San Mateo County, California has 5 submarkets published here, with effective property tax rates of 1.10% to 1.13% of assessed value for fiscal year 2025-26. On one $1,600,000 reference loan at 20% down and 6.5% APR, monthly carrying cost runs $9,760 to $9,790, so the tax line is the only variable. The fastest published commute is 20 min door-to-door from Menlo Park to Sunnyvale / Mountain View by Caltrain at AM peak. Every figure is an objective public metric or arithmetic on one, and names its source.
| Submarket | City | Median $/sqft (SFR) | Effective tax rate | Monthly cost, reference loan |
|---|---|---|---|---|
| Baywood, San Mateo | San Mateo | $1,400 | 1.11% | $9,764 |
| Burlingame | Burlingame | $1,500 | 1.11% | $9,768 |
| Foster City | Foster City | $1,000 | 1.10% | $9,760 |
| Menlo Park | Menlo Park | $1,700 | 1.13% | $9,790 |
| Redwood City | Redwood City | $1,150 | 1.12% | $9,784 |
Monthly cost holds one reference loan constant across every submarket so the tax line is the only variable; the full assumption set is on each submarket page. Effective rates are composited from county FY 2025-26 tax rate books. Arithmetic only — not an appraisal.
San Mateo County: questions and answers
- What are effective property tax rates in San Mateo County?
- Across the 5 San Mateo County submarkets published here, effective rates run 1.10% to 1.13% of assessed value for fiscal year 2025-26, composited from county tax rate books. Each submarket page shows the levy, bond, measure, and Mello-Roos components with its source.
- What does the reference loan cost per month in San Mateo County?
- $9,760 to $9,790 per month on the same $1,600,000 reference loan at 20% down, 6.5% APR, 30-year fixed. Lowest published total is Foster City at $9,760. The tax line is the only variable. Arithmetic only.
- What is the fastest published commute from San Mateo County?
- 20 min door-to-door at AM peak, from Menlo Park to Sunnyvale / Mountain View by Caltrain. Door-to-door AM-peak estimates for all 5 published San Mateo County submarkets are on their individual pages. Source: data/commute/static.csv.