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Park Highlights

  • 50 on-site parking spaces available
  • Turn-key school build-out ready
  • 1 of 2 buildings available for lease
  • Auditorium space included in the property

Park Facts

Total Space Available 39,832 SF
Max. Contiguous 32,190 SF
Park Type Office Park
Features
24 Hour Access
  • Corner Lot, Air Conditioning

All Available Spaces(4)

Display Rental Rate as

35 Middlesex St
7,642 SF | $19.95 /SF/YR $1.66 /SF/MO $214.74 /m²/YR $17.90 /m²/MO $12,705 /MO $152,458 /YR | View Building Details
Building Type
Office
Year Built
1915
Building Size
7,642 SF
Building Height
2 Stories
Typical Floor Size
3,821 SF
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 7,642 SF
  • Negotiable
  • $19.95 /SF/YR $1.66 /SF/MO $152,458 /YR $12,705 /MO
  • Office
  • Full Build-Out
  • Now

15-21 Notre Dame Avenue & 35 Middlesex Street is a 3-building school campus opportunity located in the vibrant city of Cambridge, Massachusetts. Spaces may be leased from 7,642 SF - 54,148 SF across three buildings. This property is ideally situated in a well-established neighborhood, offering convenient access to local amenities, public transportation, and major thoroughfares. The site is known for its strategic location within the community, making it an attractive prospect for various potential uses. The site features an outdoor play space and 50-car on-site parking.

  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • Fully Built-Out as Research and Development Space
  • Fits 20 - 62 People
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 7,642 SF Negotiable $19.95 /SF/YR $1.66 /SF/MO $152,458 /YR $12,705 /MO Office Full Build-Out Now
35 Middlesex St
7,642 SF | $19.95 /SF/YR $1.66 /SF/MO $214.74 /m²/YR $17.90 /m²/MO $12,705 /MO $152,458 /YR | View Building Details
Building Type
Office
Year Built
1915
Building Size
7,642 SF
Building Height
2 Stories
Typical Floor Size
3,821 SF

35 Middlesex St - 1st Floor

Size
7,642 SF
Term
Negotiable
Rental Rate
$19.95 /SF/YR $1.66 /SF/MO $152,458 /YR $12,705 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now
21 Notre Dame Ave
10,730 - 32,190 SF | $19.95 /SF/YR $1.66 /SF/MO $214.74 /m²/YR $17.90 /m²/MO $17,839 - $53,516 /MO $214,064 - $642,191 /YR | View Building Details
Building Type/Class
Specialty/B
Property Subtype
School
Lot Size
2.87 AC
Year Built
1875
Building Size
32,190 SF
Stories
3
Parking
22 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 10,730 SF
  • 5-15 Years
  • $19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO
  • Office
  • Full Build-Out
  • July 01, 2026

33,460 SF elementary school building available for lease.

  • Lease rate does not include utilities, property expenses or building services
  • Fits 27 - 86 People
  • Fully Built-Out as Standard Office
  • Can be combined with additional space(s) for up to 32,190 SF of adjacent space
  • 2nd Floor
  • 10,730 SF
  • 5-15 Years
  • $19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO
  • Office
  • Full Build-Out
  • July 01, 2026

33,460 SF elementary school building available for lease.

  • Lease rate does not include utilities, property expenses or building services
  • Fits 27 - 86 People
  • Fully Built-Out as Standard Office
  • Can be combined with additional space(s) for up to 32,190 SF of adjacent space
  • 3rd Floor
  • 10,730 SF
  • 5-15 Years
  • $19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO
  • Office
  • Full Build-Out
  • July 01, 2026

33,460 SF elementary school building available for lease.

  • Lease rate does not include utilities, property expenses or building services
  • Fits 27 - 86 People
  • Fully Built-Out as Standard Office
  • Can be combined with additional space(s) for up to 32,190 SF of adjacent space
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 10,730 SF 5-15 Years $19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO Office Full Build-Out July 01, 2026
2nd Floor 10,730 SF 5-15 Years $19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO Office Full Build-Out July 01, 2026
3rd Floor 10,730 SF 5-15 Years $19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO Office Full Build-Out July 01, 2026
21 Notre Dame Ave
10,730 - 32,190 SF | $19.95 /SF/YR $1.66 /SF/MO $214.74 /m²/YR $17.90 /m²/MO $17,839 - $53,516 /MO $214,064 - $642,191 /YR | View Building Details
Building Type/Class
Specialty/B
Property Subtype
School
Lot Size
2.87 AC
Year Built
1875
Building Size
32,190 SF
Stories
3
Parking
22 Spaces

21 Notre Dame Ave - 1st Floor

Size
10,730 SF
Term
5-15 Years
Rental Rate
$19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
July 01, 2026

21 Notre Dame Ave - 2nd Floor

Size
10,730 SF
Term
5-15 Years
Rental Rate
$19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
July 01, 2026

21 Notre Dame Ave - 3rd Floor

Size
10,730 SF
Term
5-15 Years
Rental Rate
$19.95 /SF/YR $1.66 /SF/MO $214,064 /YR $17,839 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
July 01, 2026

35 Middlesex St - 1st Floor

Size 7,642 SF
Term Negotiable
Rental Rate $19.95 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

15-21 Notre Dame Avenue & 35 Middlesex Street is a 3-building school campus opportunity located in the vibrant city of Cambridge, Massachusetts. Spaces may be leased from 7,642 SF - 54,148 SF across three buildings. This property is ideally situated in a well-established neighborhood, offering convenient access to local amenities, public transportation, and major thoroughfares. The site is known for its strategic location within the community, making it an attractive prospect for various potential uses. The site features an outdoor play space and 50-car on-site parking.

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Research and Development Space
  • Mostly Open Floor Plan Layout
  • Fits 20 - 62 People

21 Notre Dame Ave - 1st Floor

Size 10,730 SF
Term 5-15 Years
Rental Rate $19.95 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available July 01, 2026

33,460 SF elementary school building available for lease.

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Fits 27 - 86 People
  • Can be combined with additional space(s) for up to 32,190 SF of adjacent space

21 Notre Dame Ave - 2nd Floor

Size 10,730 SF
Term 5-15 Years
Rental Rate $19.95 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available July 01, 2026

33,460 SF elementary school building available for lease.

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Fits 27 - 86 People
  • Can be combined with additional space(s) for up to 32,190 SF of adjacent space

21 Notre Dame Ave - 3rd Floor

Size 10,730 SF
Term 5-15 Years
Rental Rate $19.95 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available July 01, 2026

33,460 SF elementary school building available for lease.

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Fits 27 - 86 People
  • Can be combined with additional space(s) for up to 32,190 SF of adjacent space

Park Overview

15-21 Notre Dame Avenue is leasing opportunity located in the vibrant city of Cambridge, Massachusetts. The entire 33,460 SF of 21 Notre Dame will be available on July 1, 2026. This property is ideally situated in a well-established neighborhood, offering convenient access to local amenities, public transportation, and major thoroughfares. The site is known for its strategic location within the community, making it an attractive prospect for various potential uses. The site features an outdoor play space and 50 +/-car on-site parking.

  • 24 Hour Access
  • Corner Lot
  • Air Conditioning

Attachments

Brochure
Exceptionally walkable
90/100
Fairly drivable
50/100
Good public transit
60/100
Exceptionally bikeable
90/100
  • Listing ID: 33282640

  • Date on Market: 4/22/2026

  • Last Updated:

  • Address: 21 Notre Dame Ave, Cambridge, MA 02140

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