Seattle Building Permits & Property Data

9,467 historical permit records through 2026-10-08 · 16,354 code violations · newest 2026-10-14 · Seattle, Washington.

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9,467 building-permit records on file for Seattle, WA through 2026-10-08. 16,354 code violations in the same area, newest violation date 2026-10-14.

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Newest permit date:

9,467
Indexed Permits
—
Contractor count unavailable
16,354
Code Violations
—
Property Owners · count unavailable
2026-10-11
Last source check
Source date: 2026-10-08 · newer records are not currently available

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Published permit & code records

Permit data through 2026-10-08
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9,467 permits sorted by date

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Date Type Value Address Details Contractor / Status Save
2026-08-27 HVAC $4,000 300 N 130TH ST Install Ductless Heat pump heat pump New installation HVAC installation Resicon LLC
2026-08-27 Plumbing $5,344 12051 7TH AVE NW Modify the existing fire sprinkler system to accommodate the new walls and ceili… sprinkler New installation COLUMBIA FIRE
2026-08-27 HVAC $12,900 1133 37TH AVE Ferraro - Install AC unit with existing Furnace AC, furnace New installation HVAC installation —
2026-08-27 HVAC $1,500 331 NW 76TH ST We are adding a third run and vent to an existing system. furnace —
2026-08-27 HVAC $14,200 4130 50TH AVE S Hyden - Installation of Heat Pump & Air Handler heat pump New installation HVAC installation ×2 —
2026-08-27 HVAC $23,000 4926 26TH AVE S replace heat pump heat pump replacement HVAC replacement Greenwood Heating & Home Services
2026-08-27 HVAC $3,400 7324 39TH AVE SW Running line sets between indoor and outdoor units B&T Service
2026-08-27 HVAC $3,400 7322 39TH AVE SW Running line sets between indoor and outdoor units B&T Service
2026-08-27 HVAC $3,400 7318 39TH AVE SW Running line sets between indoor and outdoor units B&T Service
2026-08-27 HVAC $6,500 7324 39TH AVE SW Installation of mini split system furnace, mini-split New installation HVAC installation Comfy Air LLC
2026-08-27 HVAC $6,500 7322 39TH AVE SW Installation of mini split system furnace, mini-split New installation HVAC installation Comfy Air LLC
2026-08-27 HVAC $6,500 7318 39TH AVE SW Installation of mini split system furnace, mini-split New installation HVAC installation Comfy Air LLC
2026-08-27 HVAC $1,500 8055 CORLISS AVE N Heat pump installation heat pump New installation HVAC installation —
2026-08-27 HVAC — 8823 5TH AVE S Heatpump install furnace, heat pump New installation HVAC installation HOME CONSTRUCTION SOLUTION LLC
2026-08-27 HVAC $8,245 1201 SUMMIT AVE For the purpose of elevator modernization: Refrigeration permit for 7160065-ME 16D LLC
2026-08-27 HVAC — 1415 2nd AVE Install 2 Zone  ductless to unit # 02 New installation HVAC installation —
2026-08-27 HVAC $3,000 9223 B MARY AVE NW installing new mini split heat pump heat pump, mini-split New installation HVAC installation Bykal Air
2026-08-27 HVAC $3,000 9225 A MARY AVE NW installing new mini split heat pump heat pump, mini-split New installation HVAC installation Bykal Air
2026-08-27 HVAC $3,000 9227 MARY AVE NW installing new mini split heat pump heat pump, mini-split New installation HVAC installation Bykal Air
2026-08-27 HVAC $3,000 9229 MARY AVE NW installing new mini split heat pump heat pump, mini-split New installation HVAC installation Bykal Air
2026-08-27 HVAC $16,000 9223 B MARY AVE NW installing mini split heat pump furnace, heat pump, m… —
2026-08-27 HVAC $16,000 9225 B MARY AVE NW installing mini split heat pump furnace, heat pump, m… —
2026-08-27 HVAC $16,000 9225 A MARY AVE NW installing mini split heat pump furnace, heat pump, m… —
2026-08-27 HVAC $16,000 9229 MARY AVE NW installing mini split heat pump furnace, heat pump, m… —
2026-08-27 HVAC $14,000 1404 4TH AVE REPLACE (2) EXISTING VAV BOXES WITH NEW - SUBJECT TO FIELD INSPECTION (STFI) replacement HVAC replacement MACDONALD MILLER FACILITY SOLUTIONS LLC
2026-08-27 HVAC $7,238 1000 DEXTER AVE N Misc. duct and GRD mods - Subject to Field Inspection (STFI) Enviromech
2026-08-27 Signage $25,000 318 NE NORTHGATE WAY Replace existing building signs with new signs like for like like for like replacement HVAC changeout Ion Sign Group LLC
2026-08-27 HVAC $696,427 125 15th AVE 20 UNIT APT BUILDING 20 HVAC systems OWP LLC
2026-08-27 Electrical $4,000 1750 22ND AVE S Install one new Double face illuminated projecting blade sign. When sign is to b… RES Graphics
2026-08-27 Plumbing $12,645 912 16TH AVE E Installation of a new 13D fire sprinkler system in home remodel. sprinkler New installation PATRIOT FIRE PROTECTION
Contact details pending
2026-08-27 Plumbing $20,895 7600 DAYTON AVE N Install new, wet, automatic fire sprinkler system in each unit of new 4-unit tow… sprinkler New installation Pye-Barker Fire and Safety
2026-08-27 Plumbing $21,723 7640 DAYTON AVE N Install new, wet, automatic fire sprinkler system in each unit of new 4-unit tow… sprinkler New installation Pye-Barker Fire and Safety
2026-08-27 General Construction $18,000 5519 Airport WAY S New Install of Commercial Bruno Elite CRE- 2110 2021 SBC = 2023 NEC/SEC = 2019 A… commercial MOBILITY CONCEPTS INC
2026-08-27 HVAC $331,853 900 UNIVERSITY ST Provide and install DOAS system, per plan. New installation HVAC installation —
2026-08-27 Electrical — 3014 12TH AVE S Wire new single family residence residential New installation New construction PROFICIENT ELECTRIC
2026-08-27 Electrical — 509 OLIVE WAY Adding (3) SD500 devices to area for protection. Cosco Fire Protection
2026-08-27 Electrical — 3608A COURTLAND PL S ufer ground installation for new construction under permit#6882351 —
2026-08-27 Electrical — 9417 CALIFORNIA AVE SW ufer added in foundation of addition —
2026-08-27 Electrical — 4540 17TH AVE NE Added (1) 20-amp circuit breaker for fireplace receptacle. Chad Saxton Electric LLC dba Whidbey Island Electric
2026-08-27 Electrical — 1418 22ND AVE Disconnect and tstat install Gene Johnson
2026-08-27 Electrical — 2700 W COMMODORE WAY Machine room: Replace (1) existing disconnect in machine room with new fusible d… fire alarm replacement KIRBY ELECTRIC INCORPORATED
2026-08-27 Electrical — 1301 5TH AVE (5) new PIU zones Modify (5) existing PIU zones - Assumes using the existing con… MACDONALD MILLER FACILITY SOLUTIONS LLC
2026-08-27 Electrical — 3727 SW IDA ST (1) 50amp sauna circuit 50A KEMLY ELECTRIC, INC.
2026-08-27 Electrical — 2100 24TH AVE S lighting upgrade Range Electric Company, LLC
2026-08-27 Electrical — 1101 MADISON ST GENERATOR LOAD TEST ×2 Pacific Power Group
2026-08-27 Electrical — 2242 FRANKLIN AVE E Replace defective fire control panel with a new Potter AFC-100 with zone expande… replacement AAA Fire Protection
2026-08-27 Electrical — 8633 24TH AVE SW The electrical service mast is blocking the siding from being replaced. Tapps el… Tapps Electric
2026-08-27 Electrical — 401 EASTLAKE AVE E Underground Conduits for new Townhome Structure. New installation New construction BRIDGE ELECTRIC INC
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Historical Seattle permit records

The records in the table are available through 2026-10-08. They are useful for historical research; newer records are not currently available in this feed.

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