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Property profile & analytics
OFF-MARKET Estimated value $14,565,000
Office buildings

425 Mason St San Francisco, CA 94102-1722

36,720 SF 0.11 ac lot Built 1922
Entity Owned 6-yr Hold Absentee Owner ~ Est. High Equity
Property ID
US09-6146840
Property summary
AI-generated overview

This exceptional creative office building, located at 425 Mason Street in San Francisco's vibrant Union Square submarket, offers 40,123 square feet of vacant space, perfect for owner-users or investors. Built in 1922, this property boasts a rich history and unique character, complemented by modern amenities. The building is zoned C-3-G (Downtown General Commercial) and features multiple tenancy options, with spaces ranging from a minimum of 2,947 square feet to a maximum contiguous space of 4,647 square feet. The property is equipped with robust power (1200 AMP, 3-phase, 208/120V) and elevators for convenient access. Its prime location in San Francisco's Union Square offers unparalleled access to public transportation, amenities, and a thriving business community. The property's San Francisco County location (APN 0306-002, zip code 94102) provides a prestigious address and excellent visibility. This is a rare opportunity to acquire a fully vacant, historic building in a highly desirable location, allowing for complete customization and immediate occupancy. The building's size and layout provide flexibility for a variety of uses, making it an ideal investment for businesses seeking a unique and well-situated office space. The property will be delivered vacant upon closing.

Property profile
Verified
Property type Office buildings
Use group OFFICE BUILDING
Year built 1922
Total area 36,720 SF
Lot 0.11 ac (4,647 SF)
Zoning code C3G
APN 0306 -002
UPID US09-6146840
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach AI
by Request
CAP Approach CAP
$14.85M
Comparable Approach Comparable
$16.52M
Blend (final) Blend
$14.57M
Owner & transaction history
425 Mason LP · 6 yrs held
425 Mason LP
since 2019
7 recorded transactions
2021
Price N/A
2019
$18.1M
2019
Price N/A
2018
Price N/A
2017
Price N/A
2016
$9.0M
2011
$6.0M
Zoning & alternative use
C3G · San Francisco, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
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