Plumbing permits are approved onsite at DPD by Seattle/King County Health Department staff.

Plumbing inspectors are available to review drawings and answer questions from 7:30-8:20 a.m., Monday, Wednesday and Friday only, at DPD's Applicant Services Center. No appointment is necessary during this period and service is provided on a first-come, first-served basis.

Permit application hours are Monday/Wednesday/Friday, 8 a.m.-4 p.m. and Tuesday/Thursday, 10:30 a.m.-4 p.m. at DPD's Applicant Services Center. 

If you have code questions, call the Chief Plumbing Inspector at (206) 233-7914.

For more information, visit King County’s Public Health Plumbing Program website or call (206) 684-5198.