Tim Cerny Of Fountainhead Development Acquires Mixed-use Building From Aronson Family For $12.35M
100 Post Street
$12,350,000
$281/SF
Building Size
43,900 SF
Asset Type
Mixed-use
Closing
Aug 4, 2026
AI
The property asset involved in the transaction is a mixed-use building located at 100 Post Street in San Francisco, CA. The asset spans 43,900 square feet and was sold for $12,350,000, translating to a price per square foot of $281. The property is largely vacant following the departure of Charles Schwab and includes both retail and office space in proximity to Union Square.
Summary of transaction details:
- Property Type: Mixed-use
- Transaction Amount: $12,350,000
- Square Footage: 43,900
- Price per Square Foot: $281
- Buyer: Tim Cerny - Fountainhead Development
- Seller: Aronson family
- Market: San Francisco, CA
Tim Cerny, representing Fountainhead Development, acquired the property from the Aronson family. This purchase marks Fountainhead's third acquisition in downtown San Francisco since entering the market in 2024, while specific redevelopment or leasing plans for the property have not been disclosed.
Post Mixed-use Market Snapshot
Boundary boundary · Mixed-use · Sale transactions
Loading comparables…
Purchase Price
Annual NOI
Loan Amount
Interest Rate (%)
Loan Term (yrs)
Down Payment (%)
Cap Rate
1.28%
Cash-on-Cash
-0.37%
Monthly Payment
$14,164
Annual Debt Svc
$169,964
Annual Cash Flow
$-11,334
DSCR
0.93