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251 Post St 844 - 13,879 SF of Office Space Available in San Francisco, CA 94108

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HIGHLIGHTS

  • Located in vibrant Union Square, one of the world's premier shopping destinations.
  • Newly renovated lobby and restrooms (2022).
  • Operable windows.
  • LEED Gold Certified.
  • Easy access to public transit and garages.

ALL AVAILABLE SPACES(7)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 2nd Floor, Ste 200
  • 6,065 SF
  • 3-5 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

High ceilings, great natural light, reception area, 4 offices/flex rooms, 2 conference rooms, kitchenette, phone booths, operable windows.

  • Fully Built-Out as Standard Office
  • 4 Private Offices
  • Space is in Excellent Condition
  • High Ceilings
  • Operable windows
  • Mostly Open Floor Plan Layout
  • 2 Conference Rooms
  • Reception Area
  • Natural Light
  • Operable windows
  • 3rd Floor, Ste 301
  • 989 SF
  • 2-5 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

3 meeting/flex rooms, production/storage room, abundant natural light, operable windows.

  • Fully Built-Out as Professional Services Office
  • 1 Conference Room
  • 3 Private Offices
  • 4th Floor, Ste 412
  • 844 SF
  • 2-5 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now

Conference room, open area, production/storage area, abundant natural light, operable windows.

  • 4th Floor, Ste 420
  • 1,446 SF
  • 2-5 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Primarily open space, 1 office/flex room, and suite has operable windows.

  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Natural Light
  • Efficient layout.
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Open-Plan
  • Operable windows.
  • 4th Floor, Ste 425
  • 1,499 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Spec Suite
  • Now
  • Mostly Open Floor Plan Layout
  • Kitchen
  • New Spec Suite
  • Abundant Natural Light
  • 1 Conference Room
  • Natural Light
  • Fully Furnished
  • Open Kitchen
  • 5th Floor, Ste 500
  • 1,485 SF
  • 2-5 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Large open area, 3 meeting/flex rooms, abundant natural light, operable windows. Furniture may be available.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • 3 Private Offices
  • Efficient layout
  • 6th Floor, Ste 620
  • 1,551 SF
  • 2-5 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Suite 620 has a large open area, 1 conference room, abundant natural light, high ceilings, and a phonebooth included. The suite has operable windows, and can be combined with Suite 610 for total of 2,415 sf.

  • Fully Built-Out as Standard Office
  • 1 Conference Room
  • High Ceilings
  • Abundant natural light.
  • Phone booth in suite.
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • High ceilings.
  • Operable windows.
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 200 6,065 SF 3-5 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
3rd Floor, Ste 301 989 SF 2-5 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste 412 844 SF 2-5 Years Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste 420 1,446 SF 2-5 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste 425 1,499 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Spec Suite Now
5th Floor, Ste 500 1,485 SF 2-5 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
6th Floor, Ste 620 1,551 SF 2-5 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

2nd Floor, Ste 200

Size
6,065 SF
Term
3-5 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

3rd Floor, Ste 301

Size
989 SF
Term
2-5 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 412

Size
844 SF
Term
2-5 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
Now

4th Floor, Ste 420

Size
1,446 SF
Term
2-5 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 425

Size
1,499 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Spec Suite
Available
Now

5th Floor, Ste 500

Size
1,485 SF
Term
2-5 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

6th Floor, Ste 620

Size
1,551 SF
Term
2-5 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 200

Size 6,065 SF
Term 3-5 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

High ceilings, great natural light, reception area, 4 offices/flex rooms, 2 conference rooms, kitchenette, phone booths, operable windows.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Reception Area
  • High Ceilings
  • Natural Light
  • Operable windows
  • Operable windows

3rd Floor, Ste 301

Size 989 SF
Term 2-5 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

3 meeting/flex rooms, production/storage room, abundant natural light, operable windows.

  • Fully Built-Out as Professional Services Office
  • 3 Private Offices
  • 1 Conference Room

4th Floor, Ste 412

Size 844 SF
Term 2-5 Years
Rental Rate Upon Request
Space Use Office
Condition -
Available Now

Conference room, open area, production/storage area, abundant natural light, operable windows.

4th Floor, Ste 420

Size 1,446 SF
Term 2-5 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Primarily open space, 1 office/flex room, and suite has operable windows.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • Space is in Excellent Condition
  • Natural Light
  • Open-Plan
  • Efficient layout.
  • Operable windows.

4th Floor, Ste 425

Size 1,499 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Spec Suite
Available Now

  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Kitchen
  • Natural Light
  • New Spec Suite
  • Fully Furnished
  • Abundant Natural Light
  • Open Kitchen

5th Floor, Ste 500

Size 1,485 SF
Term 2-5 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Large open area, 3 meeting/flex rooms, abundant natural light, operable windows. Furniture may be available.

  • Fully Built-Out as Standard Office
  • 3 Private Offices
  • Space is in Excellent Condition
  • Efficient layout

6th Floor, Ste 620

Size 1,551 SF
Term 2-5 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Suite 620 has a large open area, 1 conference room, abundant natural light, high ceilings, and a phonebooth included. The suite has operable windows, and can be combined with Suite 610 for total of 2,415 sf.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Space is in Excellent Condition
  • High Ceilings
  • Natural Light
  • Abundant natural light.
  • High ceilings.
  • Phone booth in suite.
  • Operable windows.

PROPERTY OVERVIEW

251 Post Street in San Francisco is located in the heart of Union Square. The lobby and restrooms have been newly renovated.

  • Property Manager on Site

PROPERTY FACTS

Building Type
Office
Year Built/Renovated
1908/2022
Building Height
6 Stories
Building Size
37,088 SF
Building Class
B
Typical Floor Size
6,181 SF
Unfinished Ceiling Height
10’
Parking
Surface Parking
Covered Parking

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 6th
  • A Kleiman & Co
  • Wholesaler
  • 5th
  • Calamos Advisors
  • Finance and Insurance
  • 3rd
  • FrogData
  • Retailer
  • 3rd
  • Gryphon Capital Management, LLC
  • Finance and Insurance
Walk Score®
Walker's Paradise (99)
Transit Score®
Rider's Paradise (100)
Bike Score®
Very Bikeable (87)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 26235567

  • Date on Market: 10/7/2025

  • Last Updated:

  • Address: 251 Post St, San Francisco, CA 94108

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