King County Building Permits & Property Data

Heads up: King County's permit source doesn't publish contractor business names, so this page focuses on permit records and property data. Contractor lead coverage isn't available for this city.

754 indexed permits · King County, Washington.

Not shared leads. Not a marketplace. Every record is a public permit filing you can verify yourself — your competitors aren't handed the same list. One closed job typically covers the whole year. Cancel anytime in one click — no retention call.

“We track 1 contractors on record in King County, matched against the public permit file — not a bought directory list.”
Wes Crainshaw, founder of PermitGrab
King County building permits — key stats
Permits (last 90 days) 754
Total permit value (90d) $19,824,193
Active contractors 1
Newest permit 2026-08-03

PermitGrab tracks 754 building permits in King County, WA as of 2026-08-03. Permits updated daily.

Up to date · Updated daily • newest record from 1d ago

PermitGrab is a $149/mo subscription that surfaces every King County building permit, contractor record, and code violation from the official municipal feed within 12-24 hours of filing — used by solar installers, roofers, HVAC contractors, real-estate investors, and insurance restoration teams to acquire leads at the moment a homeowner commits to a project. 14-day free trial below — cancel anytime in one click.

Filter King County leads 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 — the contractors, addresses, and project values. No credit card, unsubscribe anytime.

754
Indexed Permits
1
Active Contractors
2026-08-04
Last Updated
Updated today · live from city records
📊 View King County live permit pulse →
King County had 335 new building permits filed in the last 30 days, led by 248 hvac, 24 addition and 15 general construction. The average project value is $207,096.

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All permits

Permit data through 2026-08-03
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754 records — permits and code violations sorted by date

Date Type Value Address Details Contractor / Status Save
2026-07-02 General Construction 18332 MCLEAN RD SW, VASHON WA 98070 MOORE-BLEVINS ADDITION
2026-07-02 HVAC/Mech 4510 S 349TH ST, AUBURN WA 98001 4510 S 349TH ST, AUBURN, WA 98001
2026-07-02 HVAC/Mech 6147 S 125TH ST, SEATTLE WA 98178 6147 S 125TH ST, SEATTLE, WA 98178
2026-07-02 HVAC/Mech 28013 318TH DR SE, RAVENSDALE WA 98051 Detached Shop
2026-07-02 HVAC/Mech 35011 52ND AVE S, AUBURN WA 98001 35011 52ND AVE S, AUBURN, WA 98001
2026-07-01 HVAC/Mech 7608 254TH AVE NE, REDMOND WA 98053 7608 254TH AVE NE, REDMOND, WA 98053
2026-07-01 HVAC/Mech 3905 S 372ND ST, AUBURN WA 98001 3905 S 372ND ST, AUBURN, WA 98001
2026-07-01 Demolition 18020 SE 132ND ST, RENTON WA 98059 OTT POOL DEMO
2026-07-01 General Construction 16912 SE 328TH PL, AUBURN WA 98092 JONES REMODEL
2026-07-01 General Construction 22606 NE 76TH ST, REDMOND WA 98053 ELYANOW ADDITION SUNROOM
2026-07-01 General Construction 4503 281ST PL SE, FALL CITY WA 98024 MEYERS ADDITION
2026-07-01 General Construction 22240 NE 170TH PL, WOODINVILLE WA 98077 ARNOLD REMODEL - RELATED TO DWEL25-0211
2026-07-01 HVAC/Mech 10435 1ST AVE SW, SEATTLE WA 98146 10435 1ST AVE SW, SEATTLE, WA 98146
2026-07-01 HVAC/Mech 19505 235TH AVE NE, WOODINVILLE WA 98077 19505 235TH AVE NE, WOODINVILLE, WA 98077
2026-07-01 HVAC/Mech 15719 SE 160TH PL, RENTON WA 98058 15719 SE 160TH PL, RENTON, WA 98058
2026-07-01 HVAC/Mech 16705 132ND PL SE, RENTON WA 98058 16705 132ND PL SE, RENTON, WA 98058
2026-07-01 HVAC/Mech 5375 397TH AVE SE, SNOQUALMIE WA 98065 5375 397TH AVE SE, SNOQUALMIE, WA 98065
2026-07-01 HVAC/Mech 10240 6TH AVE SW, SEATTLE WA 98146 10240 6TH AVE SW, SEATTLE, WA 98146
2026-07-01 HVAC/Mech 13702 231ST LN NE, REDMOND WA 98053 13702 231ST LN NE, REDMOND, WA 98053
2026-07-01 HVAC/Mech 9333 221ST PL NE, REDMOND WA 98053 9333 221ST PL NE, REDMOND, WA 98053
2026-07-01 General Construction 17933 NE 127TH ST, REDMOND WA 98052 [PRO] MCNEIL INTERIOR REMODEL
2026-07-01 General Construction 15122 232ND AVE NE, WOODINVILLE WA 98077 CONGDON DADU AND ABC STRUCTURES
2026-07-01 General Construction $237,760 12037 75TH AVE S, SEATTLE WA 98178 BRANDON RESIDENTIAL ADDITION AND ADU
2026-07-01 General Construction $121,439 12231 64TH AVE S, SEATTLE WA 98178 (PRO) WOLDEMICHAEL INTERIOR REMODEL
2026-07-01 HVAC/Mech 29517 47TH AVE S, AUBURN WA 98001 29517 47TH AVE S, AUBURN, WA 98001
2026-06-30 HVAC/Mech 19114 NE 151ST ST, WOODINVILLE WA 98072 19114 NE 151ST ST, WOODINVILLE, WA 98072
2026-06-30 HVAC/Mech 4403 264TH AVE NE, REDMOND WA 98053 4403 264TH AVE NE, REDMOND, WA 98053
2026-06-30 HVAC/Mech 16035 148TH AVE NE, WOODINVILLE WA 98072 16035 148TH AVE NE, WOODINVILLE, WA 98072
2026-06-30 HVAC/Mech 8215 255TH AVE NE, REDMOND WA 98053 8215 255TH AVE NE, REDMOND, WA 98053
2026-06-30 HVAC/Mech 14236 157TH PL NE, WOODINVILLE WA 98072 14236 157TH PL NE, WOODINVILLE, WA 98072
2026-06-30 HVAC/Mech 36214 23RD PL S, FEDERAL WAY WA 98003 36214 23RD PL S, FEDERAL WAY, WA 98003
2026-06-30 General Construction $12,674 17738 SE 187TH PL, RENTON WA 98058 (PRO) ALI PERGOLA ADDITION
2026-06-30 General Construction 0, WA Skyway Crest Lot 8 - Parcel 781240-0080
2026-06-30 General Construction 0, WA LINK SINGLE FAMILY RESIDENCE - RELATED TO DWEL25-0101
2026-06-30 HVAC/Mech 23226 NE 64TH ST, REDMOND WA 98053 23226 NE 64TH ST, REDMOND, WA 98053
2026-06-30 HVAC/Mech 2504 367TH AVE SE, FALL CITY WA 98024 2504 367TH AVE SE, FALL CITY, WA 98024
2026-06-30 HVAC/Mech 19629 NE 58TH PL, REDMOND WA 98053 19629 NE 58TH PL, REDMOND, WA 98053
2026-06-30 HVAC/Mech 23725 SE 221ST ST, MAPLE VALLEY WA 98038 23725 SE 221ST ST, MAPLE VALLEY, WA 98038
2026-06-30 HVAC/Mech 25277 SE 356TH ST, AUBURN WA 98092 25277 SE 356TH ST, AUBURN, WA 98092
2026-06-30 HVAC/Mech 31423 NE 108TH ST, CARNATION WA 98014 31423 NE 108TH ST, CARNATION, WA 98014
2026-06-30 HVAC/Mech 15517 SE 175TH CT, RENTON WA 98058 15517 SE 175TH CT, RENTON, WA 98058
2026-06-30 HVAC/Mech 14421 444TH AVE SE, NORTH BEND WA 98045 14421 444TH AVE SE, NORTH BEND, WA 98045
2026-06-30 HVAC/Mech $104,460 31141 NE 144TH ST, DUVALL WA 98019 FAHRENKOPF - DETACHED ACCESSORY STRUCTURE
2026-06-30 HVAC/Mech 9931 223RD AVE NE, REDMOND WA 98053 9931 223RD AVE NE, REDMOND, WA 98053
2026-06-30 HVAC/Mech 29124 41ST CT S, AUBURN WA 98001 29124 41ST CT S, AUBURN, WA 98001
2026-06-30 HVAC/Mech 28418 33RD LN S, AUBURN WA 98001 28418 33RD LN S, AUBURN, WA 98001
2026-06-30 General Construction 0, WA BUCHAN SINGLE FAMILY RESIDENCE
2026-06-30 General Construction 13706 SE 170TH ST, RENTON WA 98058 PRO WHITNEY ADDITION AND REMODEL
2026-06-29 HVAC/Mech 38023 204TH AVE SE, AUBURN WA 98092 38023 204TH AVE SE, AUBURN, WA 98092
2026-06-29 Signage 14300 SE PETROVITSKY RD, RENTON WA 98058 Fairwood Business Park Pylon Sign
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Permit Types in King County
Construction Activity in King County

New building permits in King County, Washington indicate upcoming construction projects. Contractors can identify subcontracting opportunities by monitoring recently issued permits for residential renovations, commercial buildouts, and new construction. Early outreach to permit holders often results in higher close rates before projects go to competitive bid.

About King County Building Permits

King County, Washington processes thousands of building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 754+ King County building permits — updated daily from official city sources.

Every new construction project in King County requires a building permit before work can begin. These public records include the project address, scope of work, estimated cost, and often the general contractor's name — making them valuable leads for subcontractors looking for new projects in King County.

How Contractors Use King County Permit Data

HVAC contractors, electricians, plumbers, and roofers in King County use building permit data to find projects before they hit traditional lead services. When a new commercial buildout or residential renovation permit is filed, it signals upcoming work that needs subcontractors.

Instead of competing for shared leads on HomeAdvisor or Angi, contractors who monitor King County building permits can reach out to general contractors the day a permit is issued — before anyone else calls. This first-mover advantage leads to higher close rates and better project selection.

PermitGrab sends daily email alerts filtered by trade, so King County electrical contractors only see electrical permits, HVAC contractors only see mechanical permits, and so on.

Reviewed by Marcus Reeves · Page data current as of · Sources: official King County open data portal.

Who pulled permits in King County this week?

PermitGrab indexes 754 building permits in King County, with new filings from the city's permit feed on every refresh.

How fresh is King County permit data?

The most recent permit indexed for King County is dated 2026-08-03. Updated daily • newest record from 1d ago. Permit records carry filing date, address, project value, contractor name (where the source publishes it), and permit type, so a fresh row means a fresh lead.

What construction is happening in King County right now?

In the last 30 days, King County permitting activity covers 335 new building permits. The mix spans new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, and tenant improvements — every record is a buying signal for a different contractor or supplier persona.

Three plays that win in King County

Lists are for mailing. Phones are for closing.

📞

The same-day call

Filter King County to your trade each morning. Every fresh permit shows the contractor with a verified phone — call the GC to sub, call the owner to upsell the next phase, while competitors are still printing postcards.

🕵️

The competitor watch

Search any competitor's name and see every job they pulled in King County — where they're working, what they're charging the city in declared value, and which neighborhoods they own. Pitch the follow-on work at each address.

🚨

The motivated-seller list

Code violations matched to property owners. An owner facing a citation is the warmest restoration, repair, or wholesale-offer lead there is — and no marketplace sells this list.

Run these plays in King County — $149/mo

How to look up King County building permits

Search recent King County, WA building permits by address, contractor, and permit type in the table above — pulled from the King County building department's public permit records and updated as new filings post. Filter by trade or search an address to look up a specific permit. For this week's filing volume and the most active contractors, see the King County Permit Pulse.

Nearby Washington Cities — explore building permits in other Washington cities

Turn King County permits into leads

Daily email digest of new permits, plus verified contractor phone & website data. 14-day trial for alerts; $149/mo unlocks full contractor contacts.

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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 754 building permits in King County, Washington. Data is pulled directly from the official municipal open-data source on every collection cycle and includes permit number, address, permit type, contractor, status, and estimated value where available.

How fresh is the King County permit data?

PermitGrab collects King County daily. New permits appear here within 1–3 days of the municipal source publishing them. The count above reflects the complete current record from that source.

How can contractors find construction leads in King County?

Contractors find leads in King County by filtering PermitGrab by trade and ZIP code, then contacting the permit applicant (owner or general contractor) directly. Pro subscribers get verified phone numbers and can set up saved-search email alerts so new matches land in their inbox the same day they’re filed.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to King County — unlimited phone and website reveals, CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. 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 & owner data, by use case

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

Real estate investors
Code violations in King County = motivated sellers. Out-of-state landlord + active citation = top of the wholesale call list.
Contractors & subs
Every King County GC who pulled a permit this week is sourcing labor and materials right now. Phone numbers included.
Home service companies
A King County addition or remodel signals an HVAC, plumbing, or warranty upsell window. Reach owners while the project is fresh.
Solar installers
Roof permits and electrical upgrades in King County are the highest-intent solar lead signals. Owner-occupant filter built in.
Insurance agents
King County renovations trigger updated dwelling-coverage limits. Get the address-level signal before the renewal cycle does.
Material suppliers
Lumber, drywall, roofing, fixtures — every King County permit is a parts list. Build a route by job type and value tier.
Developers & new construction
Ground-up builds in King County mean a long runway of subcontractor and material orders. Sort new-construction permits by project value and reach the GC before the trades are locked.
Free resources

More on King County & U.S. construction activity

U.S. Construction Permit Pulse
Our 90-day data report: permit volume by metro, hottest trades, and average project values. Free to read and cite.
Free permit tools
Live permit checker, national pulse dashboard, and a free city-by-city volume lookup — no signup required.
Permit activity badge
Show clients you track live King County permit activity — copy one line of HTML for your website.

More Washington permit data

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Comparing permit-data tools? See BuildZoom vs Shovels vs PermitGrab (2026) — pricing, coverage, and which fits contractors, suppliers, and developers.

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King County permits by trade

King County addition permits King County electrical permits King County general construction permits King County hvac permits King County interior renovation permits King County landscaping permits King County new construction permits
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