What you can find

Property records included in this site.

163,939,573 King County entries across 30 kinds of property records. Every record in the current County data is included.

Accessory improvements

Secondary improvements such as sheds, garages, paving, pools, or other separately recorded items.

243,315 records

Apartment complex

Buildings, units, age, quality, and condition for apartment properties.

9,151 records

Changed property details

Individual property details recorded with each change.

61,590,181 records

Property change history

Dated events when the Assessor changed a property record.

18,790,092 records

Commercial buildings

Size, use, age, construction, and features of commercial buildings.

41,795 records

Commercial building features

Separately recorded features within commercial buildings.

3,093 records

Commercial building sections

Use and area records for sections of commercial buildings.

65,242 records

Condominium units

Physical and ownership characteristics for condominium units.

99,779 records

Condominium units

Physical, ownership, and address characteristics for condominium units.

115,643 records

Environmental restrictions

Recorded environmental conditions or restrictions affecting a parcel.

89,663 records

Home-improvement exemption applications

Applications for Washington's home-improvement property-tax exemption.

48,604 records

Home-improvement exemptions

Values and tax years assigned to approved home-improvement exemptions.

48,604 records

Legal descriptions

The parcel's legal description.

744,192 records

Assessor notes

Dated free-text notes entered in the Assessor's property system.

3,855,736 records

Land and parcel characteristics

Current land, use, zoning, view, waterfront, and site characteristics.

628,548 records

Permit details

Descriptive details linked to permits by permit number.

825,156 records

Permits

Permit type, value, status, completion, and update history.

767,866 records

Property tax accounts

Current tax-account, certified-roll value, and mailing information.

739,887 records

Annual appraisal history

Annual land, improvement, and new-value appraisal selections.

20,096,011 records

Residential buildings

Current physical characteristics for residential buildings of one to three units.

533,036 records

Assessment reviews and appeals

Assessment reviews, appeals, hearings, and outcomes.

299,193 records

Yearly property tax values

Yearly assessed values, taxable values, and newly added value.

21,692,274 records

Residential unit mix

Counts, sizes, bedrooms, and bathrooms for residential unit types.

25,475 records

Vacant lots

Current descriptive and address record for land classified as vacant.

67,114 records

Assessed value history

Year-specific assessed-value changes and stated reasons.

27,557,132 records