Solar installations in Marin County, CA
24,324 recorded installations in Marin County, California — capacity, prices and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Severe-weather exposure: solar sites here have been matched to an average of 0 hail and 1 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Marin County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 9,573 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 254% of that. A yardstick, not dated records.
Most active
Top installers in Marin County
| # | Installer | Installs here |
|---|---|---|
| 1 | Tesla | 3,525 |
| 2 | Sunrun | 1,900 |
| 3 | Solarcraft Services | 1,697 |
| 4 | Sun First | 1,337 |
| 5 | Sunpower | 939 |
| 6 | Rockin Roofers | 621 |
| 7 | Pac Solar | 571 |
| 8 | Semper Solaris | 507 |
| 9 | Northern Pacific Power | 462 |
| 10 | Spg Solar | 413 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Marin County?
PanelCensus records 24,324 solar installations in Marin County, California (238.4 MW of capacity) — about 21.7% of the county's 111,860 housing units (U.S. Census ACS). Dataset coverage depends on California's reporting programs, so the true total is higher.
How much does solar cost in Marin County?
The median installed price for recorded systems in Marin County is $4.62/W pre-incentive; the median system runs 6.1 kW.
Who installs solar in Marin County?
The most active recorded installers in Marin County are Tesla, Sunrun, Solarcraft Services.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.