Thurston County facilities are open to the public with safety measures to slow the spread of COVID-19 and protect public and employee health. Learn more here.

Major Development Projects

Thurston County government issues building and development permits for the construction of new buildings, homes and subdivisions in unincorporated areas of the County - those areas outside the cities of Lacey, Olympia and Tumwater. Active projects are listed below. Find project details and documents on the project's web page. If you're looking for information on road projects or County-infrastructure improvements, visit the County's Public Works Department.