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Add a Listing Advertise
  1. Office Space
  2. MA
  3. Medford - Waltham
  4. Somerville

Union Square - 10 Prospect Street

For Lease 196,495 SF

10 Prospect Street, Somerville, MA 02143

Rental Details

  • Number of spaces 10
  • Total square feet available 196,495 SF
  • For Lease Price on request
  • Space Type Life Sciences
  • Latest Update Sep 28, 2026
Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

True

10 Spaces Available

Space Name Space Type Lease Rate Total Space Floor Lease Type Expand
1st Floor Life Sciences Price on request 31,500 SF 1 -

1st Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

1

Divisible Space

31,500 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

2nd Floor Life Sciences Price on request 31,500 SF 2 -

2nd Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

2

Divisible Space

31,500 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

3rd Floor Life Sciences Price on request 31,500 SF 3 -

3rd Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

3

Divisible Space

31,500 - 159,359 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

4th Floor Life Sciences Price on request 31,500 SF 4 -

4th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

4

Divisible Space

31,500 - 159,359 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

5th Floor Life Sciences Price on request 15,926 SF 5 -

5th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

15,926 SF

Floor

5

Divisible Space

15,926 - 15,926 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

5th Floor Life Sciences Price on request 15,533 SF 5 -

5th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

15,533 SF

Floor

5

Divisible Space

15,533 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

6th Floor Life Sciences Price on request 10,499 SF 6 -

6th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

10,499 SF

Floor

6

Divisible Space

10,499 - 10,499 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

6th Floor Life Sciences Price on request 10,412 SF 6 -

6th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

10,412 SF

Floor

6

Divisible Space

10,412 - 159,359 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

6th Floor Life Sciences Price on request 10,531 SF 6 -

6th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

10,531 SF

Floor

6

Divisible Space

10,531 - 10,531 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

7th Floor Life Sciences Price on request 7,594 SF 7 -

7th Floor

Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,594 SF

Floor

7

Divisible Space

7,594 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

1st Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
31,500 SF
Floor
1
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

1

Divisible Space

31,500 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

2nd Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
31,500 SF
Floor
2
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

2

Divisible Space

31,500 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

3rd Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
31,500 SF
Floor
3
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

3

Divisible Space

31,500 - 159,359 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

4th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
31,500 SF
Floor
4
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

31,500 SF

Floor

4

Divisible Space

31,500 - 159,359 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

5th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
15,926 SF
Floor
5
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

15,926 SF

Floor

5

Divisible Space

15,926 - 15,926 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

5th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
15,533 SF
Floor
5
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

15,533 SF

Floor

5

Divisible Space

15,533 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

6th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
10,499 SF
Floor
6
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

10,499 SF

Floor

6

Divisible Space

10,499 - 10,499 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

6th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
10,412 SF
Floor
6
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

10,412 SF

Floor

6

Divisible Space

10,412 - 159,359 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

6th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
10,531 SF
Floor
6
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

10,531 SF

Floor

6

Divisible Space

10,531 - 10,531 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

7th Floor

Space Type
Life Sciences
Lease Rate
Price on request
Total Space
7,594 SF
Floor
7
Space Type

Life Sciences

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,594 SF

Floor

7

Divisible Space

7,594 - 159,539 SF

Available Date

Immediate

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Turnkey

No

Contacts

MH
Molly Heath

Jones Lang LaSalle

PB
Peter Bekarian

Jones Lang LaSalle

Building Details

  • For Lease Price on request
  • Property Type Office - Life Sciences
  • Property Size 196,500 SF
  • Lot Size 0.7 Acre
  • Additional Rent Price on request
  • Parking Spaces Avail. 176
  • Parking Ratio 0.90 / 1,000 SF
  • Property Tenancy Vacant
  • LEED Certified Gold
  • Building Class A
  • Year Built 2023
  • Date Updated Sep 28, 2026

Location

  • City Somerville, MA
  • Neighborhood Cobble Hill
  • Zip Code 02143
  • Market Boston
  • Map
  • Street
  • Walk score 96/100 Walker's Paradise
  • Transit score 82/100 Excellent Transit
  • Bike score 100/100 Biker's Paradise
Powered by Walk Score ®

Points of Interest

Union Square

0.12 miles

Sullivan Square

0.95 miles

Central

1.04 miles

Kendall/MIT

1.20 miles

Church Street - Johnston Gate

1.29 miles

Church Street - West

1.31 miles

Harvard Square

1.33 miles

Brattle Square - Bus Tunnel

1.41 miles

Elevator to Harvard MBTA station

1.41 miles

Ball Square

1.73 miles

ChargePoint

0.08 miles

Shell

0.40 miles

Speedway

0.50 miles

Pearl Street Auto Sales

0.57 miles

Mobil

0.72 miles

Gulf

0.79 miles

Sunoco

0.85 miles

Tesla Supercharging Station

0.92 miles

Tesla Supercharger

1.12 miles

Cumberland Farms

1.14 miles

Lot 11 - Windsor St at Cambridge St

0.42 miles

S&S Restarant parking

0.48 miles

S&S parking

0.49 miles

Lot C

0.67 miles

One Kendall Square Garage

0.78 miles

Whole Foods Parking

0.86 miles

Technology Square Garage

0.96 miles

Broadway Garage

1.00 miles

City Of Cambridge Parking Lot 5

1.02 miles

Fenced lot, Cherry & School st.'s

1.03 miles

Zipcar

0.03 miles

Somerville No Touch Car Wash

0.62 miles

Prestige

1.04 miles

Somerville Car Wash

1.07 miles

Enterprise

1.14 miles

Avis

2.20 miles

Riverside Auto Detailing

2.22 miles

Shield System Car Wash

2.49 miles

Landbird

2.59 miles

Alamo

2.61 miles

Dunkin'

0.04 miles

Ebi Sushi

0.05 miles

Taqueria Picante

0.08 miles

June Bug

0.08 miles

Bronwyn

0.08 miles

Mandarin Chinese Restaurant

0.09 miles

Field & Vine

0.10 miles

Vera's

0.10 miles

Buk Kyung 북경반점(新)

0.10 miles

Union Square Pizzeria

0.11 miles

getir: groceries in minutes

0.12 miles

Mineirão One Stop Mart Mercado Brasileiro

0.12 miles

Vinal General Store

0.13 miles

Reliable Market

0.16 miles

Target

0.22 miles

Market Basket

0.42 miles

Tropical Dimension Food Store

0.44 miles

Whole Foods Market

0.50 miles

Marshalls

0.53 miles

Star Market

0.61 miles

Somerville Fire Department

0.07 miles

Somerville Police Department

0.09 miles

CVS Pharmacy

0.23 miles

Boston Acne Specialists

0.44 miles

Cambridge Fire Department

0.50 miles

Inman Pharmacy

0.51 miles

Walgreens

0.52 miles

Passport Health Cambridge Travel Clinic

0.52 miles

Rite Aid

0.56 miles

East Cambridge Care Center

0.59 miles

Listing Summary

  • Available Office Space

    Office space currently available at 10 Prospect Street adds up to a total of 196,495 square feet across 10 spaces. The largest individual space listed offers 31,500 square feet.

    Property use types available for lease at this property include: life sciences.

  • Property Details

    The property incorporates a total of 196,500 square feet of space.

    This property features a parking ratio of 0.90 / 1,000 SF, offering a total of 176 parking spaces.

    Interested in researching more about this property? Access in-depth research on 10 Prospect Street, including ownership details, transaction history, property characteristics, by creating a free account and viewing the full property report.

Contact Union Square - 10 Prospect Street
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