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Nine-Unit Victorian Apartment Building
For Sale
$3,295,000
Pending

1660 Mason ST, San Francisco, CA 94133

Historic character is paired with basement storage, laundry facilities, and rooftop access in a three-story configuration.

Property Size6,750 SF
Days on Market50

Property Features for 1660 Mason ST

General Information

Standard status Pending
Size 6,750 SF
Property subtype FiveOrMoreUnits

Site & Location

Neighborhood North Beach

Additional Details

Multifamily Units 9

Building Details

Building Size 6,750 SF
Year Built 1908
Buildings 1
Stories 3
Construction Victorian
Listing Agency: Compass
Listed By: Gregory Terry · License #00957651
Source: Mpireluxe
Added: Sep 9 Changed: Oct 25 Last Checked: Oct 27 at 12:15AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Compass

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Investment Insights

Based on property information with market context.

Built in 1908, this apartment property contains nine residences arranged across three floors. Its Victorian design includes curved living-room windows, detailed molding and siding, elevated ceilings, and a distinctive exterior presence. Basement space provides storage and laundry facilities, while rooftop access adds another shared feature.

The building occupies the corner of Mason and Green streets in San Francisco’s North Beach area, a short walk from Columbus Avenue. Restaurants, shops, parks, city views, and local attractions surround the property, placing daily services and neighborhood activity nearby. The address is 1660 Mason Street, San Francisco, CA 94133.

Key Highlights

  • Nine‑unit apartment building completed in 1908
  • Victorian architecture with curved living‑room windows, molding, siding, and high ceilings
  • Units arranged over three floors

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$219,153
Cap Rate
6.65%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$4,383,060 $4.4M
Cap Rate 7%
$3,130,757 $3.1M
Cap Rate 9%
$2,435,033 $2.4M
Market Conditions
NOI Build-Up for 6,750 SF
Gross rent
$425.3K $63.00/SF
− Vacancy
−$26.8K −$3.97/SF
EGI
$398.5K $59.03/SF
− OpEx
−$179.3K −$26.56/SF
NOI
$219.2K $32.47/SF
Area
San Francisco, CA
Vacancy
6.30%
Lease Rate
$63.00 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$4,383,060
Cap Rate 7%
$3,130,757
Cap Rate 9%
$2,435,033

Alternative Uses

Best Use
Apartment 5plus
$3.13M
$2.74M – $3.65M (±1% cap)
NOI $219,153 @ 7.0% cap · market cap 6.65%
Second Best
—
—
no second resolved use
Theoretical Best
Specialty Retail
$32.97M
$28.85M – $38.47M (±1% cap)
NOI $2,307,968 @ 7.0% cap · market cap 70.04%
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

9
Residential units

Location Intelligence

Trade Area within ½ mile

17,261
Businesses Nearby

Demographics for 94133, CA

26,751
Population
15,733
Households
1.7
Avg Household Size
41
Median Age
55%
College-Educated
80%
High-School Grad
0.7 sq mi
ZIP Area
38,216
Density / Sq Mi
$83,025
Median Household Income
$78,478
Median Earnings
$1,985
Median Rent
$1,519,100
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
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Market

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?
Apartment building - Historic character is paired with basement storage, laundry facilities, and rooftop access in a three-story configuration.
Where is this apartment building located?
The property is located at 1660 Mason ST San Francisco, CA.
What is the asking price?
The asking price for this property is $3,295,000.
What are key features of this property?
This property features: Nine‑unit apartment building completed in 1908; Victorian architecture with curved living‑room windows, molding, siding, and high ceilings; Units arranged over three floors
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