King County, WA Property Records
Property records in King, Washington, document key details about real estate, including ownership, assessed value, parcel boundaries, tax information, sales history, building characteristics, and recorded documents such as deeds or liens. These records are useful for homebuyers, property owners, researchers, lenders, and legal professionals who need to verify ownership, estimate property taxes, review valuation history, or understand a parcel’s legal and physical characteristics.
Users can access official King property records through King County government resources, including the Department of Assessments for parcel and valuation information and the Recorder’s Office for recorded land documents. A good starting point is the county’s official King property records search, which provides access to property assessment and parcel information maintained by King County.
King County, WA Property Records & Statistics
King County has a median rent of $1,917, far above the Washington median of $1,019 and more than double the national median of $840.25. Renter-occupied housing accounts for 36.94% of occupied homes, compared with 25.55% statewide and 21.81% nationally, which reflects the dense, urban character of Seattle and its surrounding cities.
The median home value is $783,350, much higher than the state's $318,300 and more than four times the national median of $173,750. The county's median property tax rate is 0.83%, above the state rate of 0.77% and the national rate of 0.74%. Combined with high values, that rate produces substantial tax bills for owners.
The median household income is $119,220, well above the state's $68,789 and the national $65,108, which helps support the county's high housing costs. The unemployment rate is 2.77%, lower than the state rate of 3.02% and the national rate of 2.87%.
Overall, the figures describe a high-cost, high-income market with expensive homes and rents, a large renter population, a slightly higher property tax rate than the benchmarks, and below-average unemployment.
Median Rent
Median Property Tax Rate
Median Home Value
Median Income
Unemployment Rate
Renter Occupied Housing
Property Records, Assessments, and Valuations in King
King County property records cover tax assessments, recorded deeds and mortgages, property valuations, and foreclosure filings. The county has 728,910 total parcels, with tax records covering 99.85% of the population for the 2024 assessment year. Recorded documents include 2,175,568 deeds and 2,894,727 mortgages, and valuation data is available for 630,182 properties.
| Key Data | Details |
|---|---|
| Total Parcels | 728,910 |
| Residential Parcels | 690,450 |
| Commercial Parcels | 21,814 |
| Tax Record Coverage | 99.85% |
| Assessment Year | 2024 |
| Deed Records | 2,175,568 |
| Mortgage Records | 2,894,727 |
| Properties with Valuation Data | 630,182 |
| Latest Valuation Update | August 19, 2025 |
| Notice of Trustee Sale Records | 336,805 |
Assignment and Release Records
Assignment and release records track what happens to a mortgage after it is recorded. An assignment shows that a mortgage was transferred from one lender or loan holder to another, while a release shows that the loan was satisfied and the lien removed from the property.
King County has 2,942,032 assignment and release records available for research. They include 288,808 assignment documents and 2,648,606 release documents, along with 4,618 other documents, recorded from January 3, 2005, through September 2, 2025.
These records show who holds a mortgage on a property and whether earlier loans have been paid off. Buyers, owners, and researchers can use them to trace a loan through different lenders and to check for open liens before a sale or refinance. The long date range makes it practical to focus on a specific period in a property's history.
How to Search King County, WA Property Records
King County property records are available through the King County Recorder's Office in Seattle, which records deeds, mortgages, and other real estate documents. The county's records cover 728,910 parcels, including ownership, assessed values, and recorded transactions.
To look up recorded documents, use the King County recorded documents search, where you can search deeds, mortgages, assignments, and releases by name, date, or document type. The King County Recorder's Office page explains recording requirements, fees, and how to request copies. For parcel details and assessed values, the county Assessor's eReal Property tool covers property characteristics and valuation history.
The Recorder's Office is at 201 S. Jackson Street, Seattle, and is open Monday through Friday, 8:30 AM to 4:30 PM. Call 206-477-6620 for help.
Before you search, have the property address, owner name, or parcel number ready. Enter the most complete details you have, review the results, and open the record that matches your property. If a record does not appear online, contact the Recorder's Office.
King Registrar of Deeds
The King County Probate Office is located at 201 S. Jackson Street, Seattle, WA, 98104 and can be reached at 206-477-6620. Office hours are Monday-Friday 8:30 AM – 4:30 PM. Records can be accessed through recordsearch.kingcounty.gov or the official website kingcounty.gov.
King County Recorder's Office
King County Property Records FAQ
How can I search King County property records by address?
Use the King County Assessor's eReal Property tool to search by address and view parcel details and values. For recorded documents tied to the property, use the King County recorded documents search or call the Recorder's Office at 206-477-6620.
How can I find property owners in King County?
Assessor records list the current owner, which you can view through eReal Property. Recorded deeds show how ownership changed, and you can search them with the King County recorded documents search. The Recorder's Office at 201 S. Jackson Street, Seattle, can also assist.
How can I check a property's assessed value in King County?
The King County Assessor sets assessed values, and the county's records reflect the 2024 assessment year. Look up an address or parcel number in eReal Property to see values and property details. For questions about a valuation, contact the Assessor's Office through the county website.
Where can I find King County property tax bills and payment records?
Property taxes in King County are billed and collected by the county's Treasury Operations office, reachable through the King County website. Have your parcel number ready when you look up a bill or payment history. For recorded liens, call the Recorder's Office at 206-477-6620.
How can I find deeds and other recorded documents in King County?
The Recorder's Office keeps deeds, mortgages, and other recorded documents. Search them with the King County recorded documents search, or see the Recorder's Office page. Deed records run from January 1, 1989, through August 29, 2025.
Where can I access King County parcel maps and GIS information?
King County has 728,910 parcels, and the county publishes parcel maps through its iMap GIS viewer. It shows parcel boundaries, zoning layers, and other map data. Maps are a reference tool and not a legal survey, so consult a licensed surveyor when exact boundaries matter.
How can I check permits and zoning information in King County?
Permits and zoning in unincorporated King County are handled by the county's permitting division, while cities such as Seattle, Bellevue, and Kent manage their own rules inside city limits. Start at the King County website and confirm which jurisdiction covers your property.
How can I create a list of property owners in King County?
County tools are built for lookups one property at a time. Use eReal Property and the King County recorded documents search to gather owners parcel by parcel. For larger lists or bulk records, call the Recorder's Office at 206-477-6620 to ask what is available.