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Union Square Gem Opportunity
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555 Post Street, San Francisco, CA 94102

Iconic 7-story building in San Francisco's Union Square neighborhood.

Property Size62,830 SF
Days on Market151

Property Features for 555 Post Street

General Information

Standard status Active
Size 62,830 SF
Property subtype Office
Listing Agency: CBRE - San Jose
Listed By: Henry Bose · License #01512190
Source: Cbre
Added: Mar 25 Changed: Aug 21 Last Checked: Aug 21 at 12:14PM

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 CBRE - San Jose

Investment Insights

Based on property information with market context.

Located in San Francisco's Union Square neighborhood, 555 Post Street presents an opportunity to acquire an iconic 7-story building plus penthouse. Constructed in 1922, the building was originally the home of the Union League Club and later the San Francisco Press Club. It is located across the street from the Olympic Club and the Bohemian Club, with Union Square and the Theater District nearby. The property features a full lower level complete with a swimming pool area. Three floors plus a mezzanine level offer ballroom, meeting, classroom, and office space featuring double-height ceilings and design elements; these floors are currently available for occupancy. The upper four floors, plus penthouse, are leased on a long-term net basis to the adjacent Hotel Zeppelin. All floors have abundant natural light. The building has been meticulously maintained by long term local ownership. The property has 30,000 square feet of available space for assembly, hospitality, retail, and/or office uses, allowing for a range of operations including events, school, church, hotel, spa, speakeasy, bar, co-working, or restaurant. The lease also provides the landlord with a right of first refusal to acquire the adjacent property and operations.

Key Highlights

  • Premier Union Square location, close to major centers.
  • Significant income potential with floors leased long‑term.
  • Unique architectural gem built in 1922 with original woodwork and high ceilings.

Property Analytics

Current Use

Ad Gent Digital Marketing & Advertising

Suggested Use

Top Pick Buffet Carpet & Flooring Store Pet Grooming Service Clothing & Fashion Store Tanning Salon Adult Day Care

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

28,510
Businesses Nearby

Demographics for 94102, CA

39,432
Population
23,153
Households
1.7
Avg Household Size
40
Median Age
42%
College-Educated
81%
High-School Grad
0.7 sq mi
ZIP Area
56,331
Density / Sq Mi
$64,781
Median Household Income
$55,873
Median Earnings
$1,517
Median Rent
$996,300
Median Home Value

Market

Vacancy Rate% for Office in San Francisco, CA

5.4% 2019
15.8% 2020
18.5% 2021
24.1% 2022
32.5% 2023
34.2% 2024
33.1% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Iconic 7-story building in San Francisco's Union Square neighborhood.
Where is this office building located?
The property is located at 555 Post Street San Francisco, CA.
What are key features of this property?
This property features: Premier Union Square location, close to major centers.; Significant income potential with floors leased long‑term.; Unique architectural gem built in 1922 with original woodwork and high ceilings.
More about this property
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