34 Mason Street, San Francisco, CA

$4,500,000

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12,375

Square feet

0.08

Acres

About 34 Mason Street

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.

Features of 34 Mason Street

MLS® # 426098578
Price $4,500,000
Square Footage 12,375
Acres 0.08
Year Built 1907
Type Commercial Sale
Sub-Type Mixed Use
Status Active

Community Information

Address 34 Mason Street
Area SF District 8
Subdivision Tenderloin
City San Francisco
County San Francisco
State CA
Zip Code 94102

Amenities

Utilities Phone Connected
Features Basement, Elevator(s), Front Sign, Restroom(s)-Private
Is Waterfront No
Has Pool No

Interior

Fireplace No
Stories Basement, Multi/Split
Has Basement No

Exterior

Lot Description BART Nearby, City Lot, Hotel/Motel Nearby, Light Rail Nearby, Near Public Transit, Restaurant Nearby, Shopping Nearby

Additional Information

Date Listed January 23rd, 2026
Zoning C3G

Listing Details

AgentMindy Tsoi
OfficeIntero Real Estate Services

Listing Map

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