Listing provided courtesy of Urban Capital SFMLS# 426130705MLS Provider
  • 47 days on site
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3173-3173A 21st Street is a 4-unit property featuring 3 residential apartments (1) 1-bedroom 1-bath plus den unit, (1) 2-bedroom 1-bath and one (1) spacious 4-bedroom, 2-bath unitalongside an ADAcompliant ground-floor commercial space that is being operated as a hair salon and is leased at $2,799.00 per month on a 3-year lease that was signed in October 2025. There's a shovel-ready 1-bedroom ADU on the ground floor that 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.

Source: San Francisco MLS, MLS#: 426130705

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  • Property Type
    Residential Income
  • Lot
    0.05 acres

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  • Median Age
    38
  • Population Density
    31,243
  • College Educated
    63%
  • Estimated Median Income
    $138,890
  • Estimated Total Home Owners
    10,126
  • Estimated Total Renters
    16,943
  • Owner / Renter Divide
    37% / 63%
  • Estimated Average Household Size
    3
  • Total Population
    72,765
  • Community data courtesy of LiveBy, Inc.

Owning this Home

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$ %
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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

Life at 3173 21st Street


Schools


School data courtesy of LiveBy, Inc.
Ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating. The schools displayed on this website are for informational purposes only and may not represent a complete or up-to-date list. School assignments are subject to change and should be verified directly with the local school district. Please contact the appropriate school district to confirm school zoning and enrollment eligibility for this property.

History

Date Event Value Agent
5/14/2026Source: San Francisco MLS Added to Database
May 14, 2026