Home value estimate for
3546 21st St
San Francisco, CA, 94114
Generated Oct 26, 2026
Street View imagery may not reflect the home's current condition.
Estimated market value
$3,495,652
Estimated range $3,004,598–$3,889,315
Moderate confidence
Based on available public data
This automated estimate is a starting point for evaluating the home. It is not an appraisal, offer, or confirmation that the property is currently for sale.
How this estimate was calculated
- • 4 of 46 recent comparable sales selected
- • Nearby sales receive more weight
- • 5% assessor-data blend
- • 7.2% annual local market adjustment
- • 3 distressed sales excluded
Sales Status
This is a home value estimate, not a for-sale listing. HomeHub has not verified that this property is currently available.
Estimated payment
$19,235/mo
Principal & interest
$17,676
Property tax
$540
Insurance
$1,020
HOA
Not included
30-year loan estimate. Taxes use property data when available; insurance and PMI are estimates. This is not a loan quote.
| Address | Sold | Price | $/sqft | Type |
|---|---|---|---|---|
| 621 Sanchez St 4 bd · 3 ba · 2,400 sqft | Nov 4, 2025 | $2,903,500 | $1,210 | Houses |
| 4075 20th St 4 bd · 2 ba · 2,724 sqft | Jun 23, 2026 | $5,580,000 | $2,048 | Houses |
| 537 Liberty St 5 bd · 3 ba · 2,228 sqft | Aug 7, 2026 | $3,580,000 | $1,607 | Houses |
| 4118 20th St 4 bd · 2 ba · 2,287 sqft | Apr 23, 2026 | $4,400,000 | $1,924 | Houses |
| School | Rating |
|---|---|
| Buena Vista/ Horace Mann K-8 Elementary · Public · Grades K-8 | 4/10 |
| Mission High School High · Public · Grades 9-12 | 3/10 |
Arm's-length sales inside Castro/Upper Market from the last 12 months. A typical sale for the neighborhood, not an estimate of this home.
See Castro/Upper Market home valuesHouses
$3,200,000
$1,754/sqft · 58 sales in 12 months
Condos
$1,600,500
$1,262/sqft · 113 sales in 12 months
Area Median Income
$169,459
HUD FMR 2BR
$4,120/mo
Annual
$6,479
Monthly
$540
Effective Rate
0.19%
Zone X
AREA OF MINIMAL FLOOD HAZARD