Lake Forest Park, WA property records
As of September 2026, Lake Forest Park, WA has 5,052 parcels on record, with a median assessed value of $990,000 and a median year built of 1964, compiled from King County assessor, treasurer, permit, FEMA, and DNR records aggregated by VetTheHome. As of September 2026, 1 of those 5,052 parcels (0.0%) sit within a FEMA Special Flood Hazard Area, per King County GIS and FEMA flood records aggregated by VetTheHome.
Updated September 2026 · refreshed weekly
Search an address in Lake Forest Park
Lake Forest Park by the numbers
Computed 9/7/2026 from county assessor, treasurer, permit, FEMA, and DNR records.
What the public records show
In the 12 months through September 2026, 146 properties in Lake Forest Park changed hands at a median recorded sale price of $1,097,500, and 1 building permits were filed, per King County records. As of September 2026, 169 parcels in Lake Forest Park (3.4%) rely on on-site septic systems rather than municipal sewer, per King County parcel records aggregated by VetTheHome. 323 (6.4%) of parcels in Lake Forest Park sit in high liquefaction-susceptibility zones mapped by the Washington State DNR. As of September 2026, 84 parcels in Lake Forest Park carried an unpaid property-tax balance with the King County Treasurer, per records aggregated by VetTheHome. Every figure here is compiled from public records and refreshed weekly; search any Lake Forest Park address below for parcel-level permit history, tax breakdown, flood and seismic hazards, and septic status.
ZIP codes in Lake Forest Park
More Washington cities
Explore aggregate King County property data by city — flood, septic, permits, taxes and more.