Home value estimate for
3680 21st St
San Francisco, CA, 94114
Generated Sep 12, 2026
Estimated market value
$6,660,278
Estimated range $6,400,793–$7,279,270
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
- • 3 of 68 recent comparable sales selected
- • Nearby sales receive more weight
- • 5% assessor-data blend
- • 7.2% annual local market adjustment
- • 4 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
$36,962/mo
Principal & interest
$33,678
Property tax
$1,342
Insurance
$1,943
HOA
Not included
30-year loan estimate. Taxes use property data when available; insurance and PMI are estimates. This is not a loan quote.
Swipe horizontally to see price and sale-date details.
| Address | Bed/Bath | Sqft | Sale Price | $/Sqft | Sold |
|---|---|---|---|---|---|
| 537 Liberty St, San Francisco, CA 94114, San Francisco | 5/3 | 2,228 | $3,580,000 | $1,607 | Aug 7, 2026 |
| 279 Diamond St, San Francisco, CA 94114, San Francisco | 4/2 | 3,850 | $4,580,000 | $1,190 | Jan 26, 2026 |
| 282 Eureka St, San Francisco, CA 94114, San Francisco | 3/2 | 2,346 | $3,900,000 | $1,662 | Mar 23, 2026 |
Everett Middle School
Middle · Public · Grades 6-8
Milk (Harvey) Civil Rights Elementary School
Elementary · Public · Grades K-5
Mission High School
High · Public · Grades 9-12
Suggested Rent
$4,720/mo
Area Median Income
$169,459
HUD FMR 2BR
$3,510/mo
Gross Rent Multiplier
117.6xAppreciation-driven
Rent-to-Value
0.07%/mo
Annual
$16,103
Monthly
$1,342
Effective Rate
0.24%
| Date | Sale Amount |
|---|---|
| Jun 10, 1998 | $193,000 |
Zone X
AREA OF MINIMAL FLOOD HAZARD