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425 Mason St San Francisco, CA 94102

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For Lease
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Historic San Francisco Office Building - Available Now

Lot size:
40,123 SF

Description

Added:
Dec 11, 2024
Days on Market:
391
This exceptional creative office building, located at 425 Mason Street in San Francisco's vibrant Union Square submarket, offers 40,123 square feet of vacant space, perfect for owner-users or investors. Built in 1922, this property boasts a rich history and unique character, complemented by modern amenities. The building is zoned C-3-G (Downtown General Commercial) and features multiple tenancy options, with spaces ranging from a minimum of 2,947 square feet to a maximum contiguous space of 4,647 square feet. The property is equipped with robust power (1200 AMP, 3-phase, 208/120V) and elevators for convenient access. Its prime location in San Francisco's Union Square offers unparalleled access to public transportation, amenities, and a thriving business community. The property's San Francisco County location (APN 0306-002, zip code 94102) provides a prestigious address and excellent visibility. This is a rare opportunity to acquire a fully vacant, historic building in a highly desirable location, allowing for complete customization and immediate occupancy. The building's size and layout provide flexibility for a variety of uses, making it an ideal investment for businesses seeking a unique and well-situated office space. The property will be delivered vacant upon closing.

Property Features for 425 Mason St

General Information

Property type
Office space
Lease Type
Gross Lease
RSF (Rentable sq. ft)
40,123 SF

Building Details

Year Built
1922

Unit(s) available at that property

Space
5th Floor
Size
4,647 SF
Space
4th Floor
Size
4,647 SF
Space
3rd Floor
Size
4,647 SF
Space
2nd Floor
Size
4,647 SF
Space
Penthouse / Roof
Size
2,947 SF
Space
7th Floor
Size
4,647 SF
Space
6th Floor
Size
4,647 SF
Space
Ground Floor
Size
4,647 SF
Space
Lower Floor
Size
4,647 SF

HighLights

  • Fully modernized creative office building in San Francisco's Union Square.
  • Highly secure professional lobby with 24/7 key card access.
  • Flexible floor plans; levels can be leased separately or together.
  • Robust infrastructure: 1200 AMP, 3‑phase, 208/120V power; rear loading dock.
  • Move‑in ready suites with glass conference rooms.
  • Two passenger elevators and one freight elevator (3,000 lb capacity, Minna St. access).
Property Profile Location Intelligence

Current Use by Public Records

Office space

Suggested Use

Restaurant Realty agency Spa & Massage Hair Salon Law Firm Dental Office Nail Salon Clothing Store Food Market Grocery Store

Zoning and permitted uses should be independently verified with local authorities.

Location Insight

  • Map
  • Local Demand
City
San Francisco
County
San Francisco
State
California
Longitude
-122.4102121
Latitude
37.7875156

FAQs

What type of property is this?
Office space - Historic San Francisco Office Building - Available Now
Where is this office space located?
The property is located at 425 Mason St San Francisco, CA.
What are key features of this property?
This property features: Fully modernized creative office building in San Francisco's Union Square.; Highly secure professional lobby with 24/7 key card access.; Flexible floor plans; levels can be leased separately or together.
More about this property
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