Solar installations in Snohomish County, WA
485 recorded installations in Snohomish County, Washington — capacity, prices and the installers doing the work.
At a glance
Snohomish County, Washington has 485 recorded solar installations totalling 6.5 MW of capacity — the 4th-highest count among the 39 Washington counties with records, and 5% of the state total. That is about 0.15% of the county's 327,893 housing units, against 0.28% statewide. The median installed price is $3.30/W before incentives, roughly in line with the Washington median of $3.45/W.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Snohomish County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 3,113 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 16% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Snohomish County
No resolved installers recorded in this county.
Growth
Installations by year
How does Snohomish County compare with the rest of Washington?
The median recorded system in Snohomish County is 9 kW, roughly in line with the state median of 8.85 kW. By share of housing units with a recorded system, Snohomish County ranks 25th of 32 Washington counties with at least 10 installations.
How has solar adoption changed in Snohomish County?
The earliest recorded installation in Snohomish County dates to 2016. The busiest year on record is 2018, with 282 installations. 2019 has 91 recorded installations so far. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Frequently asked questions
How many homes have solar in Snohomish County?
PanelCensus records 485 solar installations in Snohomish County, Washington (6.5 MW of capacity) — about 0.15% of the county's 327,893 housing units (U.S. Census ACS). Coverage depends on Washington's public reporting, so the true total is likely higher.
How much does solar cost in Snohomish County?
The median installed price for recorded systems in Snohomish County is $3.30/W before incentives; the median system is 9 kW. The Washington median is $3.45/W.
How big is a typical solar system in Snohomish County?
The median recorded system in Snohomish County is 9 kW, against 8.9 kW for Washington as a whole.
More solar data near Snohomish County
- Solar in Washington· 9,288 installations
- Solar installers in Washington
- Solar in King County· 2,056 installations
- Solar in Clark County· 541 installations
- Solar in Whatcom County· 506 installations
- Solar in Pierce County· 465 installations
- Solar in Benton County· 458 installations
- Solar in Spokane County· 448 installations
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.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 10, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Solar installations in Snohomish County, Washington”, https://panelcensus.com/solar/washington/snohomish-county (data as of October 10, 2026).