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Four-Story Office Building
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20 William St, Wellesley, MA 02481

Four-story offices within a larger park setting with on-site dining, a fitness center, and shared conference facilities.

Space Size14,739 SF
Lot Size22.00 Acres
Days on Market1277

Property Features for 20 William St

General Information

Standard status Active
Size 14,739 SF
Lot size 22.00 Acres
Property subtype OFFICE

Site & Location

Highway Access Yes
Public Transit Yes

Additional Details

Space Use Office

Amenities

Full-service cafeteria with indoor seating and an outdoor patio
Fully staffed fitness center with towel service, showers and lockers
shared conference facilities
bocce courts
walking trail
Electric vehicle charging stations
Complimentary on-demand Uber rides to designated MBTA stations

Building Details

Stories 4

Spaces For Lease

at 20 William St Contact us

20 William St

Floor
2
Size
14,739 SF
Type
OFFICE
Rate
Contact for pricing
Availability
AVAILABLE, Now
Sublease
No
- A four-story office building that's part of a seven-building complex. - Wellesley...
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Listing Agency: CBRE | Boston
Listed By: Alex Plaisted
Source: Moodyscre
Added: Feb 20, 2023 Changed: Aug 8 Last Checked: Aug 19 at 1:56PM

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.

20 William St is a four-story office building within the seven-building Wellesley Office Park. The park is situated on 22 landscaped acres along the Charles River, with access designed for daily commuting and business travel.

On-site amenities include a full-service cafeteria with indoor seating and an outdoor patio, plus a fully staffed fitness center offering towel service, showers, and lockers. Shared conference facilities are available, along with bocce courts and a walking trail. Electric vehicle charging stations are also provided, and complimentary on-demand Uber rides are offered to designated MBTA stations.

The location provides immediate access to Route 9 and I-95/128, with critical proximity to the Massachusetts Turnpike (I-90) and exceptional visibility from Route 128.

Key Highlights

  • Four‑story office building within Wellesley Office Park seven‑building complex
  • Located on 22 landscaped acres along the Charles River
  • On‑site full‑service cafeteria with indoor seating and 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

Yes
Highway access
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 offices within a larger park setting with on-site dining, a fitness center, and shared conference facilities.
Where is this office building located?
The property is located at 20 William St Wellesley, MA.
What are key features of this property?
This property features: Four‑story office building within Wellesley Office Park seven‑building complex; Located on 22 landscaped acres along the Charles River; On‑site full‑service cafeteria with indoor seating and outdoor patio
(617) 733-6728 Call to check price and availability
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