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34 Mason ST San Francisco, CA 94102 Active

UPDATED: 01/24/2026 03:20 AM ON SITE: 47 days on site

$5,250,000

12,375 SqFt

Key Details

Property Type Commercial

Sub Type Mixed Use

Listing Status Active

Purchase Type For Sale

Square Footage 12,375 sqft

Price per Sqft $424

MLS Listing ID 426098578

HOA Y/N No

Year Built 1907

Lot Size 3,371 Sqft

Acres 0.0774

Property Sub-Type Mixed Use

Property Description

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.