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Located on a corner lot in one of San Francisco’s most beloved and vibrant neighborhoods, this fourplex at 590 21st Ave is an incredible investment or multigenerational housing opportunity with three vacant units! Nestled on 21st Ave and Balboa, each spacious unit has 2 bedrooms and 2 baths. The building enjoys a private backyard, a garage that can accommodate 5 cars, and a bonus space downstairs that is ready for and ADU, office space, music room, etc. The Richmond is a neighborhood with a long, rich history, cherished for its friendly vibes, walkable blocks, and close proximity to Golden Gate Park and Ocean Beach - not to mention its easy access to thoroughfares like Geary and Park Presidio that can zip you to other corners of San Francisco with ease. Whether you are looking to build your family’s wealth with an investment property, or bring your family together with multigenerational housing - 590 21st Ave. is a special building ready to make that dream a reality.
Listing agent: Paul Wong DRE #01977499 paul@dubagent.com, Listing office: Coldwell Banker Realty
MLS data updated 10/29/2026, 1:30:35 PM PT
Source: CRMLS, MLS #: 41003086
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Sep 1, 2022
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$2,800,000Closed sale · Sep 1, 2022ZIP 94121 · Sep 2022
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.