159 21st Ave, San Francisco, CA 94121
1 of 35
Sold Summary
159 21st Ave in San Francisco sold for $3,650,000 on October 6, 2026 — 4.3% above its $3,500,000 asking price — 18 days after coming on the market. That works out to $1,825 per square foot for a 3-bedroom, 2-bath single-family home built in 1938. The 2,000 sq ft house sits in Lake Street, which Houseberry scores 4.1/5 overall, 4.2/5 for schools and 4.5/5 for safety — 9th of 92 neighborhoods in San Francisco — with a typical home price of $3.63M.
About This Home
Property History
| Date | Event & Source | Price | Change |
|---|---|---|---|
| Oct 06, 2026 | Sold SFAR | $3,650,000 | +4.3% |
| Sep 18, 2026 | Listed SFAR | $3,500,000 |
Schools serving this Neighborhood
| School Name | Type | Grades | Distance | Houseberry School Score |
|---|---|---|---|---|
| Alamo Elementary | Primary | K-5 | 0.1 mi | |
| Presidio Middle | Middle | 6-8 | 0.5 mi |
Click links for school listing
info at GreatSchools.org
Houseberry School Score Data
from CA Dept. of Education
Houseberry recommends using these scores as only a starting point, and conducting your own investigation into what schools fit best for your preferences. School boundaries are not guaranteed and may change. It is important to contact the appropriate school district to confirm enrollment eligibility before making any decision to move to a neighborhood.
Neighborhood Amenities
Near Good Merchants5.0
Public Spaces3.5
Curb Appeal4
Overall Amenities score: 4
Other sales on 21st Ave
4 other sales recorded on 21st Ave since September 2025
The 4 sales on 21st Ave
| Address | Sold | Price | Per sq ft |
|---|---|---|---|
| 1478 21st Ave | Aug 2026 | $2.12M | $1,434 |
| 1759 21st Ave | Aug 2026 | $3.2M | $1,236 |
| 2531 21st Ave | Jul 2026 | $2.09M | $1,633 |
| 129 21st Ave | May 2026 | $6.3M | $1,772 |
This home's $1,825 per square foot ranks 1st of the 5 sales on 21st Ave that record one, including this sale.
How this sale compares
Houseberry has recorded 11 sales of 2–4 bedroom houses in Lake Street since September 2025.
Their median sale price was $5M, and they took a median of 22 days to sell. 5 of the 11 sold above asking.
The 8 most recent, not counting this home
| Address | Sold | Price | Per sq ft |
|---|---|---|---|
| 2 6th Ave | Oct 2026 | $15M | $3,341 |
| 114 10th Ave | Oct 2026 | $4.5M | $1,599 |
| 3946 California St | Sep 2026 | $2.3M | $1,250 |
| 4526 California St | Jun 2026 | $3.75M | $1,429 |
| 129 21st Ave | May 2026 | $6.3M | $1,772 |
| 196 25th Ave | May 2026 | $5.35M | $1,349 |
| 2206 Lake St | May 2026 | $11M | $2,165 |
| 170 17th Ave | May 2026 | $2.35M | — |
This home sold for $3,650,000, 27% below that median.
Questions about this home
What neighborhood is 159 21st Ave in?
159 21st Ave sits in Lake Street, San Francisco. Houseberry ranks Lake Street 9th of the 92 neighborhoods we score in San Francisco.
What schools serve 159 21st Ave?
Houseberry holds attendance boundaries covering 159 21st Ave for Alamo Elementary (elementary school, K-5) 0.1 mi away and Presidio Middle (middle school, 6-8) 0.5 mi away. We hold no high school boundary for this address, which does not mean there is no high school nearby.
How much did 159 21st Ave sell for?
159 21st Ave closed at $3,650,000 on October 6, 2026. It had been asking $3,500,000.
How long was 159 21st Ave on the market?
159 21st Ave was on the market for 18 days — listed on September 18, 2026, sale closed on October 6, 2026.
What is the price per square foot at 159 21st Ave?
159 21st Ave works out to $1,825 per square foot, from the $3,650,000 sale price across 2,000 square feet.
Is Lake Street a good place to live?
Houseberry scores Lake Street 4.1 out of 5 overall, with 4.2 for schools and 4.5 for safety, each on the same five-point scale.
See the full Lake Street profileExplore Lake Street
- Homes for sale in Lake Street6 active listings nearby at last count
- Is Lake Street a good place to live?Houseberry scores for schools, safety and amenities
- Homes sold in Lake StreetRecent sale prices and how long homes took to sell
- Best neighborhoods in San FranciscoEvery neighborhood in San Francisco, ranked
Lake Street scores and market conditions
Houseberry has recorded 31 sales in Lake Street since September 2025.
Neighborhood data last updated September 26, 2026
Top Neighborhoods in San Francisco, CA
Homes for Sale in this Neighborhood
Homes sold in Lake Street
All information provided on this website including but not limited to - school ratings, safety, amenities, user opinions, and property data - is for general informational purposes only. We do not guarantee its reliability, accuracy, or completeness. Users should independently verify information and consult appropriate professionals as needed. By using this website, you agree Houseberry is not responsible for actions, decisions, or consequences arising from reliance on the information provided
houseberry.com - CA DRE# 01847391
Bay East ©2025. CCAR ©2025. bridgeMLS ©2025. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at October 14, 2026 12:00 AM