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
+75% week-over-week

Weekly solar trend: Jul 4: 3 · Jul 11: 1 · Jul 18: 5 · Jul 25: 0 · Aug 1: 4 · Aug 8: 0 · Aug 15: 0 · Aug 22: 1 · Aug 29: 2 · Sep 5: 0 · Sep 12: 4 · Sep 19: 0

Latest period through 2026-09-25, vs. 4 in the prior period, out of 384 total Cambridge permits.

Subscribers also unlock the top ZIP codes and the most-active solar contractors for Cambridge, see the $39/mo dashboard.

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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.