Plumbing and gas piping offices
Department of Planning and Development (DPD)
Seattle Municipal Tower, 20th & 21st Floors
700 Fifth Ave [ MAP ]
Seattle, WA 98104
Phone: 206- 296-1175 Plumbing inspectors are available at the counter on the 21st floor from 7:30 AM to 8:30 AM Monday through Friday to review drawings and answer questions. No appointment is necessary during that period, but service will be done on a first come, first serve basis. - Inspection request line is 206-205-0935
- Permit hours are 8:00 AM to 5:00 PM, on Monday, Wednesday and Friday, and 10:30 AM to 5:00 PM on Tuesday and Thursday. The permit counter is located on the 20th floor.
Plumbing inspectors are available at the counter from 7:00 AM to 8:00 AM Monday through Thursday to review drawings and answer questions. No appointment is necessary during that period, but service will be done on a first come, first serve basis. Doors do not open prior to 7:00 AM. 900 Oakesdale Ave. SW, Suite 100 [ MAP ]
Renton, WA 98057
Phone: 206-296-4932 - Inspection request line is 206-205-0935
- Permit hours are 7:00 am to 5:00 pm, on Monday, Tuesday and Wednesday and 9:00 am to 5:00 pm on Thursday.
Applications, permits and inspections |
Plumbing codes and related information |
Gas piping codes and related information |
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