Today's Permits › Permits › Washington › Seattle Trade Permits › Plumbing

Seattle Trade Permits, WA plumbing permits this week

17 plumbing permits issued in Seattle Trade Permits, WA in the last 14 days.

Other trades

Search all of them

Latest permits

11501 4TH AVE NW, SEATTLE, 98177

2026-10-22 · $18,675

Run 85' of gas line to two masonry fireplaces and install a gas insert into each. (1) living room and (1) family room main level. Single-Family/Duplex Furnace

Look up permit 7168667-FR

2318 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Single-Family/Duplex Furnace

Look up permit 7168825-FR

2318 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Refrigeration

Look up permit 7168826-RF

2320 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Single-Family/Duplex Furnace

Look up permit 7168829-FR

2320 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Refrigeration

Look up permit 7168830-RF

2322 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Single-Family/Duplex Furnace

Look up permit 7168832-FR

2322 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Refrigeration

Look up permit 7168834-RF

2324 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Single-Family/Duplex Furnace

Look up permit 7168838-FR

2324 NE 86TH ST, SEATTLE, 98115

2026-10-22 · $4,500 · Consistent Heating and Cooling

2 zone heat pump, 2 bathrooms, one 4" dryer vent, one 6" Range, 8" exhaust for the water heater Refrigeration

Look up permit 7168841-RF

1310 MINOR AVE, SEATTLE, 98101

2026-10-20 · $380,385 · Smith Fire Systems

SFS WILL REPLACE THE EXISTING POLYBUTYLENE PIPING WITH NEW CPVC PIPING. ADD NEW FLOOR CONTROL VALVES IN THE NORTH AND SOUTH STAIRWELLS, ADD A NEW EXPRESS DRAIN IN THE STAIRWELLS, REPLACE ALL SPRINKLER HEADS IN THE BUILDI

Look up permit 7157164-FS

4710 UNIVERSITY WAY NE, Seattle

2026-10-20 · $34,400 · Apollo Mechanical Contractors

Replaced the burner assembly and gas train with like for like replacement. Replaced blow down piping. Replaced condensate pump piping. Installed backflow preventor for make-up water. Boiler/Pressure Vessel

Look up permit 7167646-BP

5650 20TH AVE NW, SEATTLE, 98107

2026-10-20 · $8,500 · Waypoint Sign Company

Waypoint Sign Company will fabricate QTY (1) Illuminated Canopy Sign. Plumb Sign Inc. will install the sign. Plumbs' WA State Electrical Contractor License: PLUMBSI977QS (Expires on 11/12/2027). Plumb Signs added as join

Look up permit 7167098-SB

2002 NW 56TH ST, SEATTLE, 98107

2026-10-20 · $8,500 · Waypoint Sign Company

Waypoint Sign Company will fabricate QTY (1) Illuminated Canopy Sign. Plumb Sign Inc. will install the sign. Plumbs' WA State Electrical Contractor License: PLUMBSI977QS (Expires on 11/12/2027). Plumb Signs added as join

Look up permit 7167100-SB

920 D NW 54TH ST, SEATTLE, 98107

2026-10-16 · $11,530 · Legacy One Heating

Installing DAIKIN: 2-wall cassette system, Dryer vent with pan, Kitchen range venting, Bath fan venting and Heat pump water heater venting - Subject to Field Inspection (STFI) Mechanical

Look up permit 7167137-ME

920 C NW 54TH ST, SEATTLE, 98107

2026-10-16 · $11,530 · Legacy One Heating

Installing DAIKIN: 2-wall cassette system, Bath fan venting, Kitchen range venting, Dryer vent with pan and heat pump with water heater venting - Subject to Field Inspection (STFI) Mechanical

Look up permit 7167113-ME

6553 1ST AVE NW, SEATTLE, 98117

2026-10-16 · $9,238 · NORTHWEST FIRE SYSTEMS LLC

NORTHWEST FIRE SYSTEMS (NWFS) WILL PROVIDE (1) WET PIPE AUTOMATIC SPRINKLER SYSTEM TO PROTECT THE NEW RESIDENCE. NWFS START POINT WILL BE AFTER THE 1" BACKFLOW (INSTALLED BY OTHERS) LOCATED IN THE MEDIA ROOM TO SUPPLY TH

Look up permit 7157346-FS

5523 13TH AVE S, SEATTLE, 98108

2026-10-15 · $18,113 · NORTHWEST FIRE SYSTEMS LLC

NORTHWEST FIRE SYSTEMS (NWFS) WILL PROVIDE (4) WET PIPE AUTOMATIC SPRINKLER SYSTEMS TO PROTECT THE NEW TOWNHOMES. NWFS START POINT WILL BE AFTER THE 1" BACKFLOW (INSTALLED BY OTHERS) LOCATED IN THE GARAGE UNDER STAIRS TO

Look up permit 7164988-FS