Permit forms and application materials
Permit forms, application materials, and resources
Learn how to apply for land use, building, and fire regulatory and operating permits, and a limited number of business licenses in unincorporated areas of the county.
Permit fees
Fee guides for building and land use permits effective January 1, 2023.
ProjectDox
King County is excited to introduce ProjectDox, a digital plan review tool provided by Avolve Software. Learn more about this development in the world of permitting technology.
Submit permits
Find out how to submit your building or land use permits.
Permit timelines
Find timelines for common types of building and land use permit applications.
Single-family residential permit
For new construction, and additions/alterations to existing homes and duplexes, including owner improvements.
Fire and special event permit
Find out how to apply for permits involving flammable liquid tanks, fireworks, fire systems, and special events.
Land use permit types
Includes clearing and grading, rezoning, right-of-way use, land division, tree removal, and other land permits from the Permitting Division.
Commercial and multi-family permit
For new construction, and additions or alterations to existing buildings, including commercial tenant improvements.
Permitting reports
Find report readouts on new applications, issued permits, and permit performance.