King County Building Permits & Property Data

Heads up: The public source includes contractor names on some current permit records, but coverage has not yet reached PermitGrab's market-level reporting threshold. This page focuses on permit records and property data; contractor names are shown where the public source publishes them.

4,499 indexed permits · King County, Washington.

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King County building permits — key stats
Newest permit 2026-09-23

PermitGrab tracks 4,499 building permits in King County, WA as of 2026-09-23.

✓ Recent record dates

Record recency is based on available filing or issue dates; it does not verify publication time or collection delay.

Newest permit date:

PermitGrab Pro is a $149/mo subscription for current municipal permit, property, and code-violation records. Some contractor names are available from the official source, but coverage has not reached market-level reporting. This page focuses on the permit and property signals it does publish. 14-day Pro trial below — choose your market first, then card required at checkout · cancel anytime before day 14.

Filter King County permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

Free weekly permit summary for King County

One email a week with the newest King County building permits — addresses, project details, and property activity where available. Free summary only — no credit card. Pro research tools require a separate 14-day trial with a card. Available fields vary by source. Unsubscribe anytime.

4,499
Indexed Permits
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Contractor count unavailable
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Property Owners · count unavailable
2026-09-25
Last Updated
Updated recently · 2026-09-23
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New permits and property activity sent when new public records are available.

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Published permit & code records

Permit data through 2026-09-23
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4,499 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-08-24 General Construction — 11995 160TH AVE SE WA 98059
Owner: Chr··· 🔒
Natural Gas Residential residential home comfort alliance
📞 (•••) •••-••••
2026-08-24 HVAC/Mech — 16021 SE 171ST PL 1 FURNACE; 1 AIR CONDITIONER furnace BelRed Permitting Department
📞 (•••) •••-••••
2026-08-24 HVAC/Mech — 37537 27TH PL S 1 FURNACE; 1 HEAT PUMP furnace, heat pump Brennan Heating
📞 (•••) •••-••••
2026-08-24 HVAC/Mech — 19915 SE PETROVITSKY RD 1 DUCTLESS HEAT PUMP heat pump Karen Matheney
📞 (•••) •••-••••
2026-08-24 General Construction — — CONSTRUCT 2-STORY 5-BDRM SINGLE FAMILY RESIDENCE W/ ATTACHED GARAGE AND COVERED … 2-story residential Cliff Williams
📞 (•••) •••-••••
2026-08-24 Plumbing — 5762 E GREEN LAKE WAY N Seattle WA 98103
Owner: SJ ··· 🔒
Plumbing Residential Single Family SJ TEDDY PLUMBING CNTRTRS LLC
2026-08-24 Plumbing — 6253 27TH AVE NE SEATTLE WA 98115
Owner: Gan··· 🔒
Plumbing Residential Single Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 29 B W DRAVUS ST SEATTLE WA 98119
Owner: Jak··· 🔒
Plumbing Residential Single Family West Coast Plumbing and Heating Inc
2026-08-24 General Construction — 22849 172ND AVE SE WA 98042
Owner: Kel··· 🔒
Propane/LPG Residential residential plains liquor llc
2026-08-24 HVAC/Mech — 15923 163RD AVE NE 2 HEAT PUMP heat pump NW Mechanical
2026-08-24 HVAC/Mech — 16032 SE 292ND ST 1 AIR HANDLER; 1 HEAT PUMP heat pump Katelynn Pettit
2026-08-24 General Construction — — Moderate - Multiple GOODBELLY LLC
2026-08-24 Plumbing — 11301 F 5TH AVE NE Seattle WA 98125
Owner: EPI··· 🔒
Backflow Assembly EPIC PLUMBING LLC
2026-08-24 Plumbing — 6730 18TH AVE NW Seattle WA 98117
Owner: Eli··· 🔒
Plumbing Residential Single Family ABBI'S PLUMBING & REMODEL
2026-08-24 Plumbing — 1111 NE 80th ST Seattle WA 98115
Owner: GRM··· 🔒
Plumbing Residential Single Family BROTHERS CONTRACTING SERV LLC
2026-08-24 Windows/Doors — 14309 141ST CT SE CONVERSION OF EXISTING CARPORT TO GARAGE AND INCREASE SF. EXISTING DECKS WILL BE… —
2026-08-24 Plumbing — 3400 PHINNEY AVE N Seattle WA 98103
Owner: Eli··· 🔒
Backflow Assembly ELITE PLBG AND MECH LLC
2026-08-24 Plumbing — 6045 CALIFORNIA AVE SW Seattle WA 98136
Owner: HD ··· 🔒
Plumbing Small Commercial HD PARTNERS
2026-08-24 Roofing — 11054 4TH AVE SW Over-roof. Supply and install new TPO membrane roof over existing. tpo New installation New roof Tony Sanchez
2026-08-24 General Construction — 13742 41ST AVE NE Seattle WA 98125
Owner: Kur··· 🔒
Natural Gas Residential residential Ballard Home Services
2026-08-24 Plumbing — 2215 FEDERAL AVE E SEATTLE WA 98102
Owner: Pin··· 🔒
Plumbing Residential Single Family Pinkys Plumbing
2026-08-24 Plumbing — 3506 NE 60TH ST Seattle WA 98115
Owner: O'G··· 🔒
Plumbing Residential Single Family O'GRADY PLUMBING LLC
2026-08-24 General Construction — 5901 S 180TH ST Tukwila WA 98188 General Food Plan Review Catch Design Studio
2026-08-24 General Construction — 28294 33RD PL S CONSTRUCTION OF A NEW FREESTANDING DECK (UNCOVERED) LOCATED IN THE REAR YARD. —
2026-08-24 Roofing — 23467 NE NOVELTY HILL RD LIKE FOR LIKE ROOFTOP UNIT REPLACEMENTS (2) EACH 5 TONS UNITS (1) EACH 3 TON UNI… 5 tons rooftop unit like for like replacement HVAC changeout Lyndsi Mortenson
2026-08-24 General Construction — 26030 80TH CONSTRUCT A SINGLE STORY 2 BEDROOM DETACHED ACCESSORY DWELLING UNIT WITH ATTACHE… 999 sf 1-story 2 beds residential Troy Rideb
2026-08-24 Plumbing — 2000 29TH AVE W Seattle WA 98199
Owner: Dav··· 🔒
Plumbing Residential Single Family ALL WATER PLUMBING LLC
2026-08-24 Plumbing — 11817 164TH AVE SE Renton WA 98059
Owner: For··· 🔒
Plumbing DIY Residential Forest Craft Construction LLC
2026-08-24 Plumbing — 4301 43RD AVE NE Seattle WA 98105
Owner: Joe··· 🔒
Plumbing Residential Single Family Pristine Plumbing Systems
2026-08-24 Plumbing — 201 16TH AVE E Seattle WA 98112
Owner: Kai··· 🔒
Plumbing Small Commercial Howard S. Wright
2026-08-24 General Construction — 247 E NORTH BEND WAY North Bend WA 98045 Mobile Food Unit RIO BRAVO
2026-08-24 General Construction — — Moderate - Event 16+ Matcha Box LLC
2026-08-24 Plumbing — 2200 THORNDYKE AVE W Unit: 407 Seattle WA 98199
Owner: Jam··· 🔒
Plumbing Residential Multi-Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 8505 16TH AVE SW Seattle WA 98106
Owner: Ann··· 🔒
Plumbing Residential Single Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 4717 32ND AVE S Seattle WA 98118
Owner: Rom··· 🔒
Plumbing Residential Single Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 2852 S NEVADA ST Seattle WA 98108
Owner: Dan··· 🔒
Plumbing Residential Single Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 15923 163RD AVE NE WA 98072
Owner: Jus··· 🔒
Plumbing Residential Single Family NORTHWEST MECHANICAL
2026-08-24 General Construction — 1245 NE 88TH ST Seattle WA 98115
Owner: App··· 🔒
Natural Gas Residential residential BOB'S HEATING & A/C LLC
2026-08-24 Plumbing — 1944 4TH AVE W Seattle WA 98119
Owner: Cro··· 🔒
Plumbing Residential Single Family ARTEMIS PLUMBING LLC
2026-08-24 Plumbing — 1629 QUEEN ANNE AVE N Unit: 204 Seattle WA 98109
Owner: Car··· 🔒
Plumbing Residential Multi-Family FAST WATER HEATER COMPANY
2026-08-24 General Construction — — Complex - Event 10 chareunsap, Michael
2026-08-24 Plumbing — 1629 QUEEN ANNE AVE N Unit: 202 Seattle WA 98109
Owner: Joe··· 🔒
Plumbing Residential Multi-Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 1414 NE 42ND ST Seattle WA 98105
Owner: Bla··· 🔒
Plumbing Residential Single Family Best Plumbing Group LLC
2026-08-24 Plumbing — 1629 QUEEN ANNE AVE N Unit: 301 Seattle WA 98109
Owner: Sha··· 🔒
Plumbing Residential Multi-Family FAST WATER HEATER COMPANY
2026-08-24 Plumbing — 11305 F 5TH AVE NE Seattle WA 98125
Owner: EPI··· 🔒
Backflow Assembly EPIC PLUMBING LLC
2026-08-24 Plumbing — 11303 C 5TH AVE NE Seattle WA 98125
Owner: EPI··· 🔒
Backflow Assembly EPIC PLUMBING LLC
2026-08-24 Plumbing — 11305 D 5TH AVE NE Seattle WA 98125
Owner: EPI··· 🔒
Backflow Assembly EPIC PLUMBING LLC
2026-08-24 Plumbing — 11301 B 5TH AVE NE Seattle WA 98125
Owner: EPI··· 🔒
Backflow Assembly EPIC PLUMBING LLC
2026-08-24 Plumbing — 11305 A 5TH AVE NE Seattle WA 98125
Owner: EPI··· 🔒
Backflow Assembly EPIC PLUMBING LLC
2026-08-24 Plumbing — 610 B N 48TH ST Seattle WA 98103
Owner: EPI··· 🔒
Plumbing Residential Single Family EPIC PLUMBING LLC
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Permit Types in King County
Construction Activity in King County

New building permits in King County, Washington show where construction activity is occurring. Filter the public records by trade, date, address, and project value to research active projects and property activity. Contractor names are available on some current records; contact coverage varies by filing.

About King County Building Permits

King County, Washington processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 4499+ King County building permits — newest permit date: 2026-09-25 from official city sources.

Each record can show the project address, scope, permit type, and value where the city publishes them. The source-published contractor records do not meet the coverage threshold for this city. PermitGrab does not represent this as contractor-contact coverage. Where property-owner records are available, they are matched to permit addresses separately.

How to use King County permit data

Filter the current records by trade, date, address, or project value to research construction activity. The most useful workflow in this market is verifying the project signal first, then using the property data that is actually available for that address.

PermitGrab methodology · Page data current as of · Source: 3 public source feeds.

Who appears in King County permit records?

PermitGrab indexes 4,499 building permits in King County. New records appear as they are available from the source.

How fresh is King County permit data?

The most recent permit indexed for King County is dated 2026-09-23. Newest permit date: 2026-09-25. Permit records carry filing date, address, project value, and permit type, plus contractor name where the source publishes it. Use a recent published record for project research; it does not show bid availability or a request for service.

What construction appears in King County permit records?

King County permit activity covers 4,499 indexed permits. The records can cover new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, or tenant improvements. Their usefulness for a contractor or supplier depends on the published project details, timing, and service area.

How to look up King County building permits

Search recent King County, WA building permits by address, and permit type in the table above — pulled from the King County building department's public permit records. New filings appear here as they are published. Filter by trade or search an address to look up a specific permit. For this week's filing volume, see the King County Permit Pulse.

Nearby Washington Cities — explore building permits in other Washington cities

Monitor King County permit & property activity

Email alerts when new public records are available for new permits and property activity. Contractor names are shown where the current public filing includes them; contact coverage varies by record. Owner information is shown only where it can be matched from available public records.

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Frequently Asked Questions about King County Building Permits

How many building permits does PermitGrab track in King County?

PermitGrab currently tracks 4499 building permits in King County, Washington. Data is pulled directly from the official municipal source on every collection cycle and includes permit number, address, permit type, status, estimated value, and contractor information where the source publishes it.

How fresh is the King County permit data?

PermitGrab checks the official source on each collection cycle. The source date and its observed update cadence are shown above, so you can judge the data’s recency before acting on it.

How can contractors find construction leads in King County?

Contractors can research King County activity by filtering current permits by trade, location, and project type. Some current permit records include contractor names; use those source-published names alongside the project details. Property information is shown only where public records can be matched.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to King County — CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. Some current permit records include source-published contractor names; contact fields appear only where published or matched. Property information is available only where public records can be matched. Card required to start; cancel anytime before day 14.

Can I cancel anytime?

Yes. Cancel any time from your account page — no contracts, no cancellation fees. Your subscription stays active through the end of the current billing period.

Who buys this data?

King County permit data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

Home service companies
An addition or remodel can be useful project context for HVAC, plumbing, or warranty outreach. Review the project signal before outreach.
Solar installers
Roof permits and electrical upgrades in King County provide project context for solar-market research. Filter by the current project signal and verify ownership separately.
Insurance agents
King County renovations can identify properties for a policy-review workflow. Confirm coverage needs independently before contacting a property owner.
Material suppliers & manufacturer reps
Choose a product-line research workflow, then use published job type, description, and value fields where available for territory and demand research. A permit is not a materials order, purchase signal, or open bid.
Developers & new construction
Sort source-published new-construction records by project value and type to research active projects and property activity.
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Comparing permit-data tools? See BuildZoom vs Shovels vs PermitGrab (2026) — how to compare market coverage, source freshness, and available record fields.

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King County permits by trade

King County addition permits King County concrete & masonry permits King County demolition permits King County electrical permits King County fire protection permits King County general construction permits King County hvac permits King County interior renovation permits King County landscaping permits King County new construction permits King County plumbing permits King County roofing permits King County structural permits King County windows & doors permits
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