3173-3173A 21st Street is a 4-unit property featuring 3 residential apartmentstwo (2) 1-bedroom units and one (1) spacious 4-bedroom, 2 bath unitalongside an ADA compliant ground-floor commercial space that was last operated as a hair salon and is now vacant and ready to be leased. A shovel ready and roughed-out 2 bedroom ADU on the ground floor awaits finishing by a future owner, offering additional income potential once completed. With the existing units brought up to market rents and the ADU finished, there is approximately 60% upside in the current rent roll. With separate individual water meters, new 400 amp electrical service, the property benefits from extremely efficient operating expenses making this an attractive opportunity for an investor seeking both stable income and growth potential.
For sale
$1,590,000
3173-3173A 21st St, San Francisco, CA 94110
6beds
2,350sqft
Est.:
Mixed Use
Built in 1900
-- sqft lot
$1,588,800 Zestimate®
$677/sqft
$-- HOA
What's special
- 33 days
- on Zillow |
- 478 |
- 12 |
Zillow last checked: 7 hours ago
Listing updated: July 28, 2025 at 09:53am
Listed by:
Cristobal Lamas DRE #02034056 415-577-8671,
Urban Capital SF 415-670-9888,
Wyatt Holliday Cendak DRE #02145337 415-670-9888,
Urban Capital SF
Source: SFAR,MLS#: 425055394
Originating MLS: San Francisco Association of REALTORS

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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Electric
Appliances
- Included: Electric Water Heater, Varies By Unit
- Laundry: Coin Operated
Features
- Storage
- Basement: Unfinished,Other
Interior area
- Total structure area: 2,350
- Total interior livable area: 2,350 sqft
Property
Lot
- Size: 2,113 Square Feet
- Features: Shape Regular, Sidewalk
Details
- Parcel number: 3615031B
- Special conditions: Offer As Is,Standard
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Mixed Use
Materials
- Foundation: Concrete
- Roof: Tar/Gravel
Condition
- Year built: 1900
Utilities & green energy
- Electric: Separate Meter
- Water: Separate Meter
Community & HOA
HOA
- Has HOA: No
Location
- Region: San Francisco
- Elevation: 0
Financial & listing details
- Price per square foot: $677/sqft
- Price range: $1.6M - $1.6M
- Date on market: 7/10/2025
- Listing terms: Owner May Carry
- Total actual rent: 8072
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