34-38 Mason St San Francisco, CA 94102
12,375 sqft mixed-use building in prime downtown location.
Type:Office, Retail
Property size:
12,375 SF- Added:
- Feb 26, 2026
- Days on Market:
- 34
- Last Refresh:
- Mar 17 at 1:17 pm
Property Features for 34-38 Mason St
General Information
- Standard status
- Active
- Size
- 12,375 SF
- Property subtype
- Office, Retail
Building Details
- Year Built
- 1907
Listing agent Samantha Cortez License #01939373
Listing office Intero Real Estate Services
Listing date Feb 26, 2026
Source Crexi
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 Intero Real Estate Services
Overview
Downtown San Francisco Mixed-Use Building
Located in Downtown San Francisco, 34-38 Mason Street is a 1907 brick-façade building offering multiple pathways for value creation. The ±12,375 sq. ft. structure spans three floors. The ground floor is occupied by a restaurant, the second floor by an engineering company, and the third floor contains vacant office space. The property is zoned C-3-G (Downtown Commercial General), which is one of San Francisco’s most flexible designations. The property is principally permitted for residential conversion, opening the door to hybrid use, partial office-to-residential transformation, or full residential redevelopment with 26 units, or a hybrid conversion for 18 units plus retail. It is situated steps from Powell BART, Market Street transit lines, Union Square, the financial district, Moscone Center, and premier retail and hospitality destinations. The building features expansive windows, open floor plates, historic brick details, and generous ceiling heights, making it ideal for adaptive re-use and modern living or workspace concepts. It can be held as a mixed-use asset or repositioned for higher-yield residential living.
Location Intelligence
Current Use by Public Records
Retail space
Location Insight
- Map
- Local Demand
- City
- San Francisco
- County
- San Mateo
- State
- California
- Longitude
- -122.409118
- Latitude
- 37.783289
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FAQs
What type of property is this?
Mixed-use property - 12,375 sqft mixed-use building in prime downtown location.
Where is this mixed-use property located?
The property is located at 34-38 Mason St San Francisco, CA.
What is the asking price?
The asking price for this property is $5,250,000.
What are key features of this property?
This property features: Prime Downtown San Francisco location, steps from Powell BART, Market Street transit, Union Square, and the Financial District.; Flexible C‑3‑G zoning permits full or partial residential conversion, hybrid use, or mixed‑use redevelopment.; Significant value creation potential through full (26 units) or hybrid (18 units plus retail) residential conversion.
