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Wellesley Office Park Building
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20 William Street, Wellesley, MA 02481

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

Space Size1,724 SF - 14,739 SF
Days on Market178

Property Features for 20 William Street

General Information

Standard status Active
Size 1,724 SF - 14,739 SF
Property subtype Office

Spaces For Lease

at 20 William Street Contact us

Suite 100/110

Size
5,154 SF
Type
Office
Availability
Available
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Suite 103

Size
3,799 SF
Type
Office
Availability
Available
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Suite 160

Size
1,929 SF
Type
Office
Availability
Available
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Suite 230

Size
14,739 SF
Type
Office
Availability
Available
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Suite 270

Size
2,599 SF
Type
Office
Availability
Available
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Suite 300

Size
13,268 SF
Type
Office
Availability
Available
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Suite 310

Size
14,337 SF
Type
Office
Availability
Available
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Suite GR20

Size
3,797 SF
Type
Office
Availability
Available
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Suite GR30/GR40

Size
4,626 SF
Type
Office
Availability
Available
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Suite GR50

Size
6,155 SF
Type
Office
Availability
Available
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Suite GR75A

Size
6,431 SF
Type
Office
Availability
Available
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1st Floor

Size
13,414 SF
Availability
UnderOption
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1st Floor

Size
1,724 SF
Availability
UnderOption
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1st Floor

Size
2,012 SF
Availability
UnderOption
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Listing Agency: CBRE | Boston
Listed By: Alex Plaisted
Source: Cbre
Added: Mar 16 Changed: Sep 8 Last Checked: Sep 8 at 4:22AM

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 | Boston

Investment Insights

Based on property information with market context.

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.

Key Highlights

  • 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.

Property Analytics

Current Use

MDL Partners Employment Agency Caren Droesch Physician Dr. Jessica Mosher Physician Dr. Emily Wise Physician

Suggested Use

Top Pick Restaurant Hair Salon Nail Salon Dental Office Auto Parts Store Auto Repair Shop

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

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

1,022
Businesses Nearby

Demographics for 02481, MA

17,280
Population
5,145
Households
3.4
Avg Household Size
36
Median Age
90%
College-Educated
98%
High-School Grad
6.1 sq mi
ZIP Area
2,833
Density / Sq Mi
$250,001
Median Household Income
$82,159
Median Earnings
$3,064
Median Rent
$1,642,700
Median Home Value

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
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Frequently Asked Questions

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.
More about this property
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