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Vacant Two-Family with Bonus Apartments

471 31st Avenue San Francisco, CA 94121

Claim this Listing
For Sale
$2,500,000

MULTI_FAMILY - Contemporary - San Francisco, CA

Property size:
4,624 SF
Lot size:
0.07 Acres
Price / SF:
$540/SF
Added:
Jul 2, 2026
Days on Market:
10
Last Refresh:
Jul 11 at 12:06 am

Property Features for 471 31st Avenue

General Information

Property type
Residential Multi Family
Property subtype
Other
Bedrooms
8
Bathrooms
6
Rooms
Bedroom 7, Bedroom 3, Bathroom 6, Bathroom 5, Bathroom 1, Basement, Bedroom 5, Bedroom 6, Bathroom 2, Bathroom 3, Laundry Room, Bedroom 1, Bedroom 4, Bedroom 8, Bedroom 2, Bathroom 4
Parking
3
Parking features
Garage
Window features
Bay Window(s)
Standard status
Active
APN
1463016
Size
4,624 SF
Lot size
0.07 Acres

Utilities

Sewer type
Public Sewer
Heating system
Central
Water source
Public

Building Details

Year built
1989
Floors in Building
4
Number of units
4
Building materials
Concrete, Wood
Roof type
Composition
Architectural style
Contemporary

Listing agent Andrew de Vries

Listing office Berkshire Hathaway-Franciscan 677 Portola Dr., San Francisco, CA

Listing date Jul 2, 2026

MLS# 426143490 Listing URL

Copyright © 2026 San Francisco Association of REALTORS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Investment Insights

Based on property information with market context.

Substantial vacant Richmond District two-family dwelling built in 1989, with approximately 4,624 sq. ft. of living space per professional floor plan measurements. The home features two spacious 3BD/2BA primary flats and two existing bonus apartments, providing multiple configuration options for an owner-occupant, investor, or multigenerational household. The upper residence includes a living room, formal dining room with fireplace, eat-in kitchen, a primary suite, and two rear bedrooms, plus a 1BD/1BA penthouse bonus apartment above with direct roof access.

The second primary flat offers a similar 3BD/2BA layout with a living room, formal dining room with fireplace, eat-in kitchen, primary suite, and two rear bedrooms. The ground level includes a large garage, a separate storage/workshop room, a 1BD/1BA bonus apartment of approximately 651 sq. ft., and a common backyard. The property is to be delivered vacant at close and is ready for renovation and modernization.

Legally recognized as a two-family dwelling, with possible future legalization of the bonus apartments described as subject to buyer investigation and City approval. Nearby recreational and coastal destinations include Golden Gate Park, Ocean Beach, and Lands End, with shopping, dining, and transit corridors along Clement, Balboa, California, and Geary Street. Buyer to verify square footage, permits, legal use, zoning, development potential, and all improvements.

Key Highlights

  • Two‑family dwelling legally recognized, with approx. 4624 sq. ft. of living space and built in 1989
  • Includes two spacious 3BD/2BA primary flats, each with LR, formal DR with FP, eat‑in kitchen, and rear bedrooms
  • Bonus apartments: approx. 796 sq. ft. 1BD/1BA penthouse with direct roof access, plus approx. 651 sq. ft. 1BD/1BA on the ground level

Local Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $249.7k $54.00
− Vacancy −$14.9k −$3.23
EGI $234.8k $50.77
− OpEx −$70.4k −$15.23
NOI $164.3k $35.54
4,624 SF · lease $54.00/SF/yr · vacancy 5.98% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$2.35M
$2.05M – $2.74M (±1% cap)
NOI $164,335 @ 7.0% cap · market cap 6.57%
Second Best
Apartment 5plus
$2.14M
$1.88M – $2.50M (±1% cap)
NOI $150,128 @ 7.0% cap · market cap 6.01%
Theoretical Best
Specialty Retail
$22.59M
$19.76M – $26.35M (±1% cap)
NOI $1,581,044 @ 7.0% cap · market cap 63.24%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Quadplexes

Suggested Use

Law Firm Real Estate Agency Big Box & Wholesale Store Barber Shop Auto Parts Store Skin Care Clinic (Bike/Boat/Book/etc) Store Furniture & Home Goods Catering Service HVAC Service

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Quadplex - Vacant 1989 two-family dwelling with three bonus apartments, totaling about 4,624 sq. ft. of living space.
Where is this quadplex located?
The property is located at 471 31st Avenue San Francisco, CA.
What is the asking price?
The asking price for this property is $2,500,000.
What are key features of this property?
This property features: Two‑family dwelling legally recognized, with approx. 4624 sq. ft. of living space and built in 1989; Includes two spacious 3BD/2BA primary flats, each with LR, formal DR with FP, eat‑in kitchen, and rear bedrooms; Bonus apartments: approx. 796 sq. ft. 1BD/1BA penthouse with direct roof access, plus approx. 651 sq. ft. 1BD/1BA on the ground level
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