Solar permits

Solar Permits in Cambridge

Free weekly solar building-permit activity for Cambridge, MA, computed from official city permit portals.

Solar permits this period
7
Share of all permits
1.8%
Trend
-67% week-over-week

Weekly solar trend: May 23: 3 · May 30: 3 · Jun 6: 4 · Jun 13: 5 · Jun 20: 3 · Jun 27: 6 · Jul 4: 3 · Jul 11: 1 · Jul 18: 3 · Jul 25: 0

Latest period through 2026-07-31, vs. 21 in the prior period, out of 399 total Cambridge permits.

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Frequently asked questions

How active are solar permits in Cambridge?

Permit Ledger tracks every solar building permit filed in Cambridge each week and shows the count, the week-over-week trend, and solar permits' share of all Cambridge permits, computed from official city permit portals, never estimated.

Can I get Cambridge solar contractor leads?

The free view shows solar permit volume and trend. The $39/mo dashboard adds the top ZIP codes and the most-active solar contractors in Cambridge, refreshed weekly.

How often are Cambridge solar permit numbers updated?

Weekly. Every solar figure on this page refreshes after each weekly pull from official city permit portals.