20 William Street, Wellesley, MA 02481

Spaces For Lease

at 20 William Street Contact us

Listing office CBRE | Boston a***@cbre.com Show Phone

Listing date Mar 16, 2026

Source Cbre

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Overview

This four-story office building is part of a seven-building complex known as Wellesley Office Park. The park is situated on 22 acres of landscaped grounds along the Charles River. It offers immediate access to Route 9 and I-95/128, with proximity to the Massachusetts Turnpike (I-90) and visibility from Route 128. Amenities include a full-service cafeteria with indoor seating and an outdoor patio, a fully staffed fitness center with towel service, showers, and lockers, shared conference facilities, bocce courts, a walking trail, and electric vehicle charging stations. Complimentary on-demand Uber rides to designated MBTA stations are also available.

Suggested Use

Restaurant Hair Salon Hotel & Motel Nail Salon Spa & Massage Center Food Market Auto Parts Store Big Box & Wholesale Store Grocery & Convenience Store Dental Office

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

Location Insight

• Map
• Local Demand

City

Wellesley

County

Norfolk

State

Massachusetts

Longitude

-71.2304

Latitude

42.3177

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FAQs

What type of property is this?

Office building - Four-story office building in a seven-building complex.

Where is this office building located?

The property is located at 20 William Street Wellesley, MA.

What are key features of this property?

This property features: Immediate access to Route 9 and I‑95/128 and exceptional visibility from Route 128.; Located in Wellesley Office Park, resting on 22 beautifully landscaped acres.; Full‑service cafeteria with indoor seating and an outdoor patio.