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

9,467 permits sorted by date

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Date Type Value Address Details Contractor / Status Save
2026-08-31 HVAC
Source type: Trade
 $5,000 631 QUEEN ANNE AVE N Install Mitsubishi 3 ton HP 3 tons New installation HVAC installation Meridian Mechanical
2026-08-31 HVAC
Source type: Trade
 $3,827 1501 E MADISON ST Installation of ductwork and grilles/diffusers for new Mother's Room at Duolingo… New installation HVAC installation Evergreen Home Heating & Energy
2026-08-31 Signage
Source type: Trade
 $4,683 4549 UNIVERSITY WAY NE Install new logo and channel letter on raceway. Tagline cabinet also on raceway.… SIGN-TECH ELECTRIC
2026-08-31 HVAC
Source type: Trade
 $2,886 701 PIKE ST Relocate (3) supply air diffusers; add (3) return air grilles; modify low pressu… MACDONALD MILLER FACILITY SOLUTIONS LLC
2026-08-31 Fire Protection
Source type: Trade
 $154,984 1200 STEWART ST This submittal is intended as a revision to the already-issued permit for the Ga… sprinkler COSCO FIRE PROTECTION
2026-08-31 New Construction
Source type: Trade
 $21,300 5537 35TH AVE NE Install (3) NFPA 13D Standalone Fire Sprinkler System in new construction. (1) i… sprinkler NOR-TECH FIRE PROTECTION INC
2026-08-31 HVAC
Source type: Trade
 $33,700 300 5TH AVE PROVIDE HVAC MODIFICATIONS TO ACCOMMODATE REVISED FLOOR PLANS FOR OFFICE TI. PER… MACDONALD MILLER FACILITY SOLUTIONS LLC
2026-08-31 HVAC
Source type: Trade
 $6,500 3611 B ALBION PL N Install a heat pump in townhome, Unit B, subject to field inspection, STFI. heat pump New installation HVAC installation —
2026-08-31 HVAC
Source type: Trade
 $8,175 3045 20TH AVE W Alterations to mechanical system on existing multifamily building, per plans. —
2026-08-31 HVAC
Source type: Trade
 $4,800 3024 NE 143RD ST Install a single zone DHP in the main living area of the condo unit. New installation HVAC installation —
2026-08-31 HVAC
Source type: Trade
 $4,800 300 N 130TH ST Install a single zone DHP in the main living area of a condo unit. per plans New installation HVAC installation —
2026-08-31 HVAC
Source type: Trade
 $30,000 2616 2ND AVE Addition of (2) split system heat pump systems for additional conditioning to ex… heat pump New installation REFRESH LLC
2026-08-31 HVAC
Source type: Trade
 $412,000 1926 6TH AVE S New process chilled water system. New supplemental RTU to serve lab space. Proce… rooftop unit New installation HVAC installation ACCO Engineered Systems
2026-08-31 HVAC
Source type: Trade
 $36,000 747 BROADWAY Base scope of work includes replacement of existing stairwell supply and exhaust… replacement HVAC replacement MACDONALD MILLER FACILITY SOLUTIONS LLC
2026-08-31 HVAC
Source type: Trade
 $45,000 500 FAIRVIEW AVE N HVAC and fitting/piping modifications for research lab TI per plans. MACDONALD MILLER FACILITY SOLUTIONS LLC
2026-08-31 HVAC
Source type: Trade
 $2,000,000 500 BOREN AVE N Replace like-in-kind two rooftop VAV air handlers. replacement HVAC replacement —
2026-08-31 HVAC
Source type: Trade
 $7,000 1124 NW 53RD ST Install (1) heat pump outdoors at ground level of Seattle Printworks, subject to… heat pump New installation HVAC installation —
2026-08-31 Electrical — 4402B 40TH AVE SW Complete ADU wiring including Feeders, grounding/bonding, branch circuits, and A… Orbit Electric and Solar LLC
2026-08-31 Electrical — 551 28TH AVE Wiring for bedroom —
2026-08-31 Electrical — 5408 21ST AVE NE I'm renovating my unfinished basement to include a bedroom, bathroom and wet bar… 8 circuits add_circuits —
2026-08-31 Electrical — 4147 44TH AVE SW Installing 1 inch and 2 inch conduit —
2026-08-31 HVAC
Source type: Trade
 $4,850 3303 NW 72ND ST Install Furnace furnace New installation HVAC installation Northwest Mechanical
2026-08-31 General Construction
Source type: Residential
 $2,268,201 9400 35TH AVE NE Construct west multi-family live/work structure and occupy per plans. (Establish… residential —
2026-08-31 General Construction
Source type: Residential
 $330,444 5629 44TH AVE SW Construct southwest one-family dwelling (Establish use as housing for four detac… residential —
2026-08-31 General Construction
Source type: Residential
 $321,807 5627 44TH AVE SW Construct northwest one-family dwelling (Establish use as housing for four detac… residential —
2026-08-31 HVAC
Source type: Trade
 $3,000 7975 C M L KING JR WAY S Installing new mini split system mini-split New installation HVAC installation Bykal Air
2026-08-31 HVAC
Source type: Trade
 $3,000 7973 B M L KING JR WAY S Installing new mini split system mini-split New installation HVAC installation Bykal Air
2026-08-31 HVAC
Source type: Trade
 $3,000 7971 B M L KING JR WAY S Installing new mini split system mini-split New installation HVAC installation Bykal Air
2026-08-31 HVAC
Source type: Trade
 $3,000 7971 C M L KING JR WAY S Installing new mini split system mini-split New installation HVAC installation Bykal Air
2026-08-31 HVAC
Source type: Trade
 $10,000 1422 N 46th ST install hp/ah New installation HVAC installation Good Guys Heating Air and…
2026-08-31 HVAC
Source type: Trade
 $5,000 1418 22ND AVE furnace install furnace New installation HVAC installation Gene Johnson
2026-08-31 HVAC
Source type: Trade
 $6,895 7949 28TH AVE SW 80 for 80 furnace swap furnace replacement HVAC replacement SOUTH WEST PLUMBING & WATERHEATERS, INC.
2026-08-31 Electrical — 8418 9TH AVE SW Detached garage single branch circuit —
2026-08-31 Electrical — 7525 28TH AVE NW Installing 2 circuits and service disconnects for two new heat pumps 2 circuits New installation EcoSpark Heating and Cooling
2026-08-31 HVAC
Source type: Trade
 $13,000 1742 S PEARL ST Install 3 zone HP with 3 indoor units. New installation HVAC installation FIVE STAR COMFORT LLC
2026-08-31 Electrical — 5918 47TH AVE S Install heat pump and air handler RESICON LLC
2026-08-31 Electrical — 1301 E YESLER WAY We are installing (1) fire alarm control relay for A/V shut off. fire alarm —
2026-08-31 HVAC
Source type: Trade
 $3,000 7973 B M L KING JR WAY S Installing new mini split system furnace, mini-split New installation HVAC installation Vlad Hvac LLC
2026-08-31 General Construction
Source type: Residential
 $365,112 5631 44TH AVE SW Construct southeast one-family dwelling (Establish use as housing for four detac… residential —
2026-08-31 Electrical — 714 N 95TH ST Repair/replace meter jaw interior. replacement Hello Electric LLC
2026-08-31 Electrical — 4627 43RD AVE S Thermostat wire for new furnace Evergreen Home Heating & Energy
2026-08-31 Electrical — 800 OCCIDENTAL AVE S LF - S Fan Deck TV - Job 6008262: Provide and install (2) receptacles on (1) cir… Prime Electric
2026-08-31 Electrical — 2761 38TH AVE SW Add 100 amp sub panel to feed.. Two 120v 20 amp garage circuit One 240v 20 amp h… 100A 120V New installation Beacon hill electric llc
2026-08-31 HVAC
Source type: Trade
 $3,000 7975 B M L KING JR WAY S Installing new mini split system furnace, mini-split New installation HVAC installation Vlad Hvac LLC
2026-08-31 HVAC
Source type: Trade
 $3,000 7971 C M L KING JR WAY S Installing new mini split systems furnace, mini-split New installation HVAC installation Vlad Hvac LLC
2026-08-31 HVAC
Source type: Trade
 $3,000 7977 B M L KING JR WAY S Installing new mini split system furnace, mini-split New installation HVAC installation Vlad Hvac LLC
2026-08-31 HVAC
Source type: Trade
 $3,000 7977 C M L KING JR WAY S Installing new mini split system furnace, mini-split New installation HVAC installation Vlad Hvac LLC
2026-08-31 HVAC
Source type: Trade
 $3,000 7979 M L KING JR WAY S Installing new mini split system furnace, mini-split New installation HVAC installation Vlad Hvac LLC
2026-08-31 Electrical — 803 18TH AVE Adding one 60 Amp 240v circuit to install a Level 2 Rivian Charger in garage 10'… 60A 240V New installation —
2026-08-31 Electrical — 207 BOREN AVE N We are programming on relay for masking shutoff as a joint venture with Sequoyah… —
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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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