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0 Baths
12,375 sqft

$4,500,000

34 Mason Street, San Francisco CA, 94102

Price per sqft$363.64
Built in1907
Property size12,375 sqft
Property typeCommercial

Overview

Active

Listed Jan 23, 2026

Updated 11 days ago

Discover a rare opportunity in the heart of downtown San Francisco. 34-38 Mason Street is a timeless 1907 brick-faade building offering a blend of architectural charm, and multiple pathways for value creation. Full conversion concept for 26 units or hybrid conversion concept for 18 units plus retail. Perfectly situated just steps from Powell BART, Market Street transit lines, Union Square, financial district, Moscone center and AI boom location and the city's premier retail and hospitality destinations, this property stands at the center of convenience, and connectivity. The 12,375 sq. ft. structure spans three floors, featuring ground-floor restaurant, second floor by an engineering company, and vacant office space on the third floor. Zoned C-3-G (Downtown Commercial General)one of San Francisco's most flexible designationsthe property is principally permitted for residential conversion, opening the door to hybrid use, partial office-to-residential transformation, or full residential redevelopment 26 units or hybrid conversion for 18 units plus retail. Expansive windows, open floor plates, historic brick details, and generous ceiling heights make the structure ideal for adaptive re-use and modern living or workspace concepts. Whether held as a dependable mixed-use asset or repositioned for higher-yield residential living, 34-38 Mason Street offers investors a compelling blend of location, upside, character, and long-term urban value.

Additional information

MLS® ID
426098578

Interior Features

Bathrooms
0
Basement
Yes

Exterior Features

Lot Size
0.08 Acres
MLS provider logo

Listed by Mindy Tsoi with Intero Real Estate Services

Listings on this page identified as belonging to another listing firm are based upon data obtained from the SFAR MLS, which data is copyrighted by the San Francisco Association of REALTORS, but is not warranted. Data last updated on 9/26/2026.

All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) nor Corey Ye | CA DRE# 01992640 shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless.

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Data last updated 3:36 AM UTC, 9/26/2026

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