Solar permits

San Mateo Solar Permit Activity

Free weekly solar building-permit insights for San Mateo, CA — solar permits filed, week-over-week trend, and share of all permits, computed from PermitStack permit aggregation.

Solar permits this period
1
Share of all permits
2.0%
Trend
-88% week-over-week

Weekly solar trend: May 5: 8 · May 12: 0 · May 19: 1 · May 26: 0 · Jun 2: 0

Latest period through 2026-06-08, vs. 8 in the prior period, out of 50 total San Mateo permits.

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Frequently asked questions

How active are solar permits in San Mateo?

Permit Ledger tracks every solar building permit filed in San Mateo each week and shows the count, the week-over-week trend, and solar permits' share of all San Mateo permits — computed from PermitStack permit aggregation, never estimated.

Can I get San Mateo 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 San Mateo, refreshed weekly.

How often are San Mateo solar permit numbers updated?

Weekly. Every solar figure on this page refreshes after each weekly pull from PermitStack permit aggregation.