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Duplex with Four-Car Garage

9-11 Castro Street, San Francisco, CA 94114

For Sale
$1,695,000

Residential Income, San Francisco, CA

Property Size1,818 SF
Lot Size0.03 Acres
Price / SF$932.34
Days on Market16

Property Features for 9-11 Castro Street

General Information

Property type Residential Multi Family
Property subtype Duplex
Zoning RH3
Bedrooms 4
Bathrooms 2
Full bathrooms 2
Rooms Bathroom 2, Laundry Room, Bedroom 1, Bedroom 4, Bathroom 1, Bedroom 2, Bedroom 3
Parking 4
Parking features Garage, Side By Side
Security features Security
Window features Double Pane Windows
Fencing Fenced
Appliances Dishwasher, Disposal, Free-Standing Electric Range, Free-Standing Refrigerator, Gas Water Heater, Washer/Dryer
Lot features Irregular Lot, Irregular Lot
View City
Elementary school district San Francisco
Middle school district San Francisco
High school district San Francisco
Subdivision SF District 5
Standard status Active
APN 1260042
Size 1,818 SF
Lot size 0.03 Acres

Additional Details

Tenant in Place Yes

Utilities

Sewer type Public Sewer
Heating system Central

Building Details

Year built 1963
Floors in Building 2
Number of units 2
Flooring type Wood, Tile
Building materials Stucco
Roof type Flat
Architectural style Other
Listing Agency: Berkshire Hathaway-Franciscan · Berkshire Hathaway HomeServices
Listed By: Heather R Stoltz
Added: Oct 30 Changed: Nov 13 Last Checked: Nov 14 at 6:06AM
MLS# 426174460

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.

Rey
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Investment Insights

Based on property information with market context.

This San Francisco duplex contains two residences, each with two bedrooms and one bathroom. The upper unit is vacant, while the lower unit is tenant-occupied. A four-car garage provides on-site parking and additional storage. Wood and tile flooring, central heating, and a washer/dryer are among the building’s features; the exterior was repainted in early 2023.

Built in 1963 and zoned RH3, the property is at 9-11 Castro Street. Views of the downtown San Francisco skyline are noted, including Salesforce Tower. Restaurants, cafes, shops, parks, and public transportation are identified nearby.

Key Highlights

  • Two residences, each with 2 bedrooms and 1 bathroom
  • Four‑car garage with additional storage
  • Upper residence vacant; lower residence tenant‑occupied

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$64,611
Cap Rate
3.81%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,292,220 $1.3M
Cap Rate 7%
$923,014 $923.0K
Cap Rate 9%
$717,900 $717.9K
Market Conditions
NOI Build-Up for 1,818 SF
Gross rent
$98.2K $54.00/SF
− Vacancy
−$5.9K −$3.23/SF
EGI
$92.3K $50.77/SF
− OpEx
−$27.7K −$15.23/SF
NOI
$64.6K $35.54/SF
Area
San Francisco, CA
Vacancy
5.98%
Lease Rate
$54.00 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,292,220
Cap Rate 7%
$923,014
Cap Rate 9%
$717,900

Alternative Uses

Best Use
Multifamily LT 5
$923.0K
$807.6K – $1.08M (±1% cap)
NOI $64,611 @ 7.0% cap · market cap 3.81%
Second Best
Apartment 5plus
$843.2K
$737.8K – $983.8K (±1% cap)
NOI $59,025 @ 7.0% cap · market cap 3.48%
Theoretical Best
—
—
same as Best Use
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

4,361
Businesses Nearby

Demographics for 94114, CA

33,683
Population
18,686
Households
1.8
Avg Household Size
40
Median Age
79%
College-Educated
98%
High-School Grad
1.4 sq mi
ZIP Area
24,059
Density / Sq Mi
$196,528
Median Household Income
$117,677
Median Earnings
$2,898
Median Rent
$1,771,700
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Average Price Trend$/SF for Duplexes in San Francisco, CA

$774 Jul
$721 Aug
$787 Sep
$825 Oct

Properties on Market for Duplexes in San Francisco

Jul
Aug
Sep
Oct

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025

Frequently Asked Questions

What type of property is this?
Duplex - Two residences offer separate occupancy, with the upper unit vacant and the lower unit tenant-occupied.
Where is this duplex located?
The property is located at 9-11 Castro Street San Francisco, CA.
What is the asking price?
The asking price for this property is $1,695,000.
What are key features of this property?
This property features: Two residences, each with 2 bedrooms and 1 bathroom; Four‑car garage with additional storage; Upper residence vacant; lower residence tenant‑occupied
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