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Middlesex County, MA Commercial Inventory Breakdown
Office Spaces
Total: 131,305,857 SF
Data provided by Yardi Matrix, properties over 50k SF, includes office with retail
By square footage range:
- 50k to 100k SF: 20,330,265 SF / 15.48% of total office
- 100k to 500k SF: 91,731,207 SF / 69.86% of total office
- 500k to 1M SF: 16,960,385 SF / 12.92% of total office
- > 1M SF: 2,284,000 SF / 1.74% of total office
By class:
- Class A: 50,636,095 SF / 38.56% of total office
- Class B: 65,366,045 SF / 49.78% of total office
- Class C: 3,697,492 SF / 2.82% of total office
Top 10 Largest Office Buildings
in Middlesex County
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Mill & Main | 146 Main Street, 01754 | 1,084,000 | 1998 |
| Partners HealthCare Headquarters | 395 Revolution Drive, 02144 | 850,000 | 2016 |
| Cross River Center | 1001 Pawtucket Blvd, 01854 | 836,000 | 1997 |
| TJX Corporate Headquarters - East Campus - 770 Cochituate Road | 770 Cochituate Road, 01701 | 750,930 | 1979 |
| Marlborough Hills | 200 Forest Street, 01752 | 741,961 | 1970 |
| The Center at Innovation Drive | 836 North Street, 01876 | 703,000 | 1965 |
| One Kendall Square | 1 Kendall Square, 02139 | 669,689 | 1887 |
| Riverfront Office Park | 1 Main Street, 02142 | 656,021 | 1983 |
| Raytheon Integrated Defense Systems | 50 Apple Hill Drive, 01876 | 652,032 | 1984 |
| EMC Corporation World Headquarters | 176 South Street, 01748 | 650,000 | 2001 |
Largest Office Properties Recently Completed
in Middlesex County
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Cambridge Crossing - Parcel G | NWC North Street & Gilmore Bridge, 02141 | 501,000 | 2021 |
| Kendall Square at MIT - 314 Main Street | 314 Main Street, 02142 | 417,000 | 2021 |
| LabCentral 238 | 238 Main Street, 02142 | 414,000 | 2021 |
| Cambridge Crossing - Parcel H | 450 Water Street, 02141 | 405,000 | 2021 |
| Assembly Row - Block 5B | 455 Grand Union Blvd, 02145 | 303,546 | 2021 |
| Hayden Research Campus - Building IV | 75 Hayden Avenue, 02421 | 214,440 | 2021 |
| CambridgeSide - 100 Cambridgeside Place Office | 100 Cambridgeside Place, 02141 | 162,000 | 2021 |
| EMD Serono Research Center - Expansion | 45 Middlesex Turnpike, 01821 | 145,000 | 2021 |
| Cambridge Crossing - JK Site | 222 Jacobs Street, 02141 | 460,000 | 2020 |
| Cambridge Discovery Park - Buildings 400 & 500 | 100 Acorn Park Drive, 02140 | 286,000 | 2020 |