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21 Custom House St, Boston, MA, 02110
Office Building with Fitness Amenity

21 Custom House St Boston, MA 02110

For Lease
Contact for pricing

For lease in the 20–21 Custom House Street project, featuring a tenant-only ground-floor fitness and conference center.

Property Size10,421 SF
Days on Market441

Property Features for 21 Custom House St

General Information

Standard status Active
Size 10,421 SF
Property subtype OFFICE

Spaces For Lease

at 21 Custom House St Contact us
Listing Agency: Newmark | Boston
Listed By: David Martel
Source: Moodyscre
Added: May 15, 2025 Changed: Jul 28 Last Checked: Jul 28 at 7:24PM

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 Newmark | Boston

Investment Insights

Based on property information with market context.

A portion of the 20–21 Custom House Street office project will add a tenant-only amenity space on the ground floor, designed to support both professional and personal needs. The planned improvements include a state-of-the-art fitness center and a dedicated conference center for meetings, conferences, and events.

The project includes parking garages for both 20 and 21 Custom House Street, with 24/7 security.

Units are offered for rent within the 21 Custom House St address as part of this coordinated office campus amenity plan.

Key Highlights

  • For lease at the 20–21 Custom House Street project
  • Tenant‑only ground‑floor amenity space coming soon
  • Amenities include a state‑of‑the‑art tenant fitness center

Property Analytics

Location Intelligence

Current Use

Smile Design Boston Dental Office Carol R Johnson ... Landscaping G F K ... Business Management Consultant Dr. Christine Lo, ... Dental Office EDENS - Boston Construction Company

Suggested Use

Top Pick HVAC Service Pet Grooming Service Clothing & Fashion Store Buffet Butcher Tanning Salon

Zoning and permitted uses should be independently verified with authorities.

Frequently Asked Questions

What type of property is this?
Office building - For lease in the 20–21 Custom House Street project, featuring a tenant-only ground-floor fitness and conference center.
Where is this office building located?
The property is located at 21 Custom House St Boston, MA.
What are key features of this property?
This property features: For lease at the 20–21 Custom House Street project; Tenant‑only ground‑floor amenity space coming soon; Amenities include a state‑of‑the‑art tenant fitness center
(617) 863-8525 Call to check price and availability
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