State building permits

Massachusetts building permits: new housing

13,711 new housing units permitted in the 12 months to September 2026, +8% on the year before, with $4.7B of construction value.

Plus 327 commercial and multifamily projects in the last 90 days in Boston, Cambridge, where we track every permit.

New housing units permitted per month

Commercial permits

Commercial construction in Massachusetts cities we cover

327 commercial and multifamily projects in the last 90 days, from each city’s own permit data.

Rolling 90 days, from each city’s own permit data.

By declared value; contractors named 30 days after the first permit.

Building size	Buildings	Units	Value
Single-family	5,292	5,292	$2.6B
2 units	194	388	$89.2M
3–4 units	87	272	$69.6M
5+ units	395	7,759	$2B

Year	Housing units	In 5+ unit buildings	Value
2025	12,477	6,824	$4.3B
2024	14,338	7,898	$5.1B
2023	13,214	7,299	$4.4B