Back 2977 21st Street
Off Market

2977 21st Street

San Francisco CA 94110

4
4
3000 sq. ft.
2100 sq. ft.
Other
Last sold for $2,300,000
Shane RayShane Ray, last sold this property on 11 May 2026 after 24 days on market.

Overview

Notably the building where OpenAI first took shape, 2977-2979 21st Street is a rare 1885 Victorian mixed-use property in a prime Inner Mission location, offering a compelling blend of character, income, and owner-user potential. Situated near Treat and 21st, the building includes a stunning, fully remodeled two-level owner's unit delivered vacant, a tenant-occupied garden flat ready for future vision, and a leased commercial storefront with vintage curb appeal. Unit 1 (2977A) is a modern two-level penthouse spanning approximately 1,800+ sq ft with 3 bedrooms and 2 full baths. The space features soaring vaulted ceilings with exposed beams, wide-plank flooring, and an airy open layout. The top-floor primary suite opens to a private deck overlooking the garden, with potential for future roof deck access. Previously rented for $7,000 and now delivered vacant, it presents an ideal opportunity for owner-occupiers or premium rental income. Unit 2 (2977) is a charming 1-bedroom garden flat with direct outdoor access, currently tenant-occupied and offering immediate income with long-term upside through renovation. Unit 3 (2979) is an approximately 600 sq ft commercial storefront, leased and providing steady income, with strong visibility in a vibrant, high-foot-traffic corridor. This property works equally well as an investment or for buyers seeking to live in the penthouse while collecting income. Surrounded by some of San Francisco's best dining, cafes, and culture, and with easy access to transit, BART, and major commuter routes, this is a standout opportunity in one of the city's most desirable and evolving neighborhoods.

Features

4 bedrooms
4 bathrooms
3000 sq. ft. floor area
2100 sq. ft. lot size
Other

Estimated Value

Based on this property and similar 4 bedroom other properties sold in San Francisco over the last 12 months, the estimated median property value of 2977 21st Street is $1.73m.

Median value
$1.73m
Estimated value range
$1.3m - $2.5m
Median days on market
41
Estimated value trend
28%
increase over the last 12 months
Average days on market is based on recent, comparable sales in San Francisco. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 2977 21st Street

2026
Sold
$2,300,000
11 May 2026 by Shane Ray, of Compass
2013
Sold
$1,350,000
29 Jul 2013 by Bonnie Spindler, of Zephyr Real Estate
2005
Sold
$1,100,000
21 Sep 2005 by Michael Salstein, of Zephyr Real Estate

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100%
100% of sellers in San Francisco reported that their sale price either exceeded or met their price expectations.

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Local market activity for 4 bedroom other properties in San Francisco

In the last 12 months, 5 four-bedroom other properties similar to 2977 21st Street, have been sold.

This represents a 34% increase in four-bedroom other properties sales when compared to the previous 12 months.

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