Alameda County
Alameda County, California has 8 submarkets published here, with effective property tax rates of 1.15% to 1.36% 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 $9,817 to $10,104, so the tax line is the only variable. The fastest published commute is 12 min door-to-door from Rockridge, Oakland to Oakland City Center by BART 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 |
|---|---|---|---|---|
| Bay Farm Island, Alameda | Alameda | $750 | 1.22% | $9,917 |
| Berkeley Hills, Berkeley | Berkeley | $1,050 | 1.21% | $9,904 |
| Castro Valley | Castro Valley | $650 | 1.20% | $9,893 |
| Dublin | Dublin | $720 | 1.18% | $9,869 |
| Mission San Jose, Fremont | Fremont | $1,050 | 1.15% | $9,817 |
| Piedmont | Piedmont | $1,200 | 1.25% | $9,960 |
| Pleasanton | Pleasanton | $850 | 1.17% | $9,848 |
| Rockridge, Oakland | Oakland | $1,000 | 1.36% | $10,104 |
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.
Alameda County: questions and answers
- What are effective property tax rates in Alameda County?
- Across the 8 Alameda County submarkets published here, effective rates run 1.15% to 1.36% 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 Alameda County?
- $9,817 to $10,104 per month on the same $1,600,000 reference loan at 20% down, 6.5% APR, 30-year fixed. Lowest published total is Mission San Jose, Fremont at $9,817. The tax line is the only variable. Arithmetic only.
- What is the fastest published commute from Alameda County?
- 12 min door-to-door at AM peak, from Rockridge, Oakland to Oakland City Center by BART. Door-to-door AM-peak estimates for all 8 published Alameda County submarkets are on their individual pages. Source: data/commute/static.csv.