Building permits · May 2026
Middlesex County Building Permits
Monthly residential building permits for Middlesex County, Massachusetts — 551 units authorized in May 2026, 2,341 over the last 12 months — latest month +157.5% vs. a year earlier.
551
Units (latest month)
73
Single-family units
464
Multifamily (5+) units
$189,583,711
Reported value
Trailing 12 months: 2,341 units permitted · latest month +157.5% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 73 | 13.2% |
| 2-unit structures | 4 | 0.7% |
| 3–4 unit structures | 10 | 1.8% |
| Multifamily (5+ units) | 464 | 84.2% |
| All units | 551 | 100% |
Middlesex County building permits — FAQ
How many building permits were issued in Middlesex County?+
551 new residential units were authorized in Middlesex County, Massachusetts in May 2026, and 2,341 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of Middlesex County permits are multifamily?+
86.8% of Middlesex County's May 2026 permitted units were in multifamily (2+ unit) buildings.
Where does this data come from?+
Figures come from the U.S. Census Bureau's Building Permits Survey, a monthly census of permit-issuing jurisdictions. PUMSdata is independent and not affiliated with the Census Bureau.