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King County · Solar

King County Solar property data.

King County (county seat: Seattle) is the most populous county in Washington, with 2,287,171 residents centered on Seattle and the Puget Sound technology corridor. Sustained demand has driven the median owner-occupied home value to $859,900 (ACS 2020-2024), among the highest in the country, while 55.4% of occupied housing units are owner-occupied.

Sample King County records

See King County owners before you buy.

A live sample from the county source — search by owner name, address, or APN. The full solar list ships with owner, mailing, parcel detail, and lineage on every record.

Loading King County parcels…

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APNOwnerAddressLand useYearAssessed value

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The complete county file — owner, mailing, assessor value, absentee flag, full lineage — priced per record.

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Data overview

What's in the dataset.

County
King County, WA
FIPS
53033
County seat
Seattle
Population
2,287,171
Median home value
$859,900
Owner-occupied
55.4%
Data source
King County parcel layer
Source type
Verified county layer
Parcels
636,076
State coverage
39 / 39 counties
Lineage
Source + pull date on every record
Price
$60–120 / record
King County parcel layer·Pulled June 2026
Why King County

Built for Regional installers & buyers.

High-equity, owner-occupied parcels in King County with a documented source — pre-scored so a financed install pencils, not shared three ways. Equity, owner-occupancy, roof age, and utility footprint — the attributes that decide whether a system finances.

Owner-occupiedYear builtHome valueHigh equityRoof ageUtility footprint
$60120/ record
FAQ

Common questions about King County data.