Downtown San Francisco Mixed-Use
34-38 Mason St San Francisco, CA 94102
34-38 Mason St, San Francisco, CA, 94102
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For Sale
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12,375 sqft mixed-use building in prime downtown location.
Property Size12,375 SF
Price / SF$424.24
Days on Market141
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 Agency
Intero Real Estate Services
(650) 589-1000
Listed by
Samantha Cortez · License #01939373
Source
Crexi
Added: Feb 26 Checked: Jul 16 at 4:32 am
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
Investment Insights
Based on property information with market context.
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.
Key Highlights
- 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.
Local Financial Insights For Office B
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $545.0k | $44.04 |
| − Vacancy | −$138.4k | −$11.19 |
| EGI | $406.6k | $32.85 |
| − OpEx | −$101.6k | −$8.21 |
| NOI | $304.9k | $24.64 |
12,375 SF · lease $44.04/SF/yr · vacancy 25.40% · expense 25.00%
Alternative Uses
Best Use
Retail
$56.42M
$49.36M – $65.82M
NOI $3,949,190 @ 7.0% cap · market cap 75.22%
Second Best
Office B
$4.36M
$3.81M – $5.08M
NOI $304,925 @ 7.0% cap · market cap 5.81%
Theoretical Best
Specialty Retail
$60.45M
$52.89M – $70.52M
NOI $4,231,275 @ 7.0% cap · market cap 80.60%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Retail space
Similar For Sale Nearby
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.
