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.

733 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) 733
Total permit value (90d) $19,824,193
Active contractors 1
Newest permit 2026-08-01

PermitGrab tracks 733 building permits in King County, WA as of 2026-08-01. 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.

733
Indexed Permits
1
Active Contractors
2026-08-02
Last Updated
Updated today · live from city records
📊 View King County live permit pulse →
King County had 321 new building permits filed in the last 30 days, led by 234 hvac, 24 addition and 16 interior renovation. The average project value is $207,096.

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All permits

Permit data through 2026-08-01
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733 records — permits and code violations sorted by date

Date Type Value Address Details Contractor / Status Save
2026-08-01 Windows/Doors $165,000 1616 SW 100TH ST, SEATTLE WA 98146 PHOENIX VAULT LLC - TENANT IMPROVEMENT - REVISION TO ADDC25-0763 - Board Game Ca…
2026-08-01 HVAC/Mech 11150 318TH PL NE, CARNATION WA 98014 11150 318TH PL NE, CARNATION, WA 98014
2026-07-31 Commercial Shell $20,000 17250 140TH AVE SE, RENTON WA 98058 BANK OF AMERICA - TENANT IMPROVEMENT
2026-07-31 Fire Protection 0, WA VB HOMES SINGLE FAMILY RESIDENCE (SPRINKLERS REQUIRED) ×2
2026-07-31 HVAC/Mech 28419 53RD AVE S, AUBURN WA 98001 28419 53RD AVE S, AUBURN, WA 98001
2026-07-31 HVAC/Mech 13448 MAHONIA PL NE, REDMOND WA 98053 13448 MAHONIA PL NE, REDMOND, WA 98053
2026-07-31 HVAC/Mech 19509 181ST AVE NE, WOODINVILLE WA 98077 19509 181ST AVE NE, WOODINVILLE, WA 98077
2026-07-31 General Construction $191,655 14600 SE 178TH PL, RENTON WA 98058 BEYENE AFH ADDITION AND INTERIOR ALTERATION - INSR25-0132
2026-07-31 HVAC/Mech 5805 284TH AVE SE, ISSAQUAH WA 98027 5805 284TH AVE SE, ISSAQUAH, WA 98027
2026-07-31 HVAC/Mech 27523 SANDY SHORES DR SW, VASHON WA 98070 27523 SANDY SHORES DR SW, VASHON, WA 98070
2026-07-31 General Construction 23319 NE 142ND PL, WOODINVILLE WA 98077 (PRO) KRISHNASWAMY FOUNDATION REPAIR
2026-07-31 HVAC/Mech 13165 ADAIR CREEK WAY NE, REDMOND WA 98053 13165 ADAIR CREEK WAY NE, REDMOND, WA 98053
2026-07-31 HVAC/Mech 14838 206TH AVE SE, RENTON WA 98059 14838 206TH AVE SE, RENTON, WA 98059
2026-07-31 General Construction 49114 SE 115TH ST, NORTH BEND WA 98045 (PRO) TOOMEY FOUNDATION REPAIR - RELATED TO FLOD26-0164
2026-07-31 HVAC/Mech 15726 SE 232ND ST, KENT WA 98042 15726 SE 232ND ST, KENT, WA 98042
2026-07-31 General Construction 0, WA Macdonald clearing and grading
2026-07-31 General Construction 5612 223RD AVE NE, REDMOND WA 98053 PACHE INTERIOR REMODEL
2026-07-31 General Construction $338,590 23419 107TH AVE SW, VASHON WA 98070 (ABC) MEDEIROS - ABC DETACHED AG STRUCTURE
2026-07-31 HVAC/Mech 37826 31ST AVE S, FEDERAL WAY WA 98003 37826 31ST AVE S, FEDERAL WAY, WA 98003
2026-07-31 HVAC/Mech 12909 469TH PL SE, NORTH BEND WA 98045 12909 469TH PL SE, NORTH BEND, WA 98045
2026-07-31 HVAC/Mech 29314 NE 126TH ST, DUVALL WA 98019 29314 NE 126TH ST, DUVALL, WA 98019
2026-07-30 HVAC/Mech 18702 SE 144TH ST, RENTON WA 98059 18702 SE 144TH ST, RENTON, WA 98059
2026-07-30 General Construction 12116 UPPER PRESTON RD SE, ISSAQUAH WA 98027 CHARLES FOUNDATION REPAIR- RELATED TO ADDC25-0327
2026-07-30 HVAC/Mech 23652 NE 135TH WAY, REDMOND WA 98053 23652 NE 135TH WAY, REDMOND, WA 98053
2026-07-30 HVAC/Mech 10847 3RD AVE S, SEATTLE WA 98168 10847 3RD AVE S, SEATTLE, WA 98168
2026-07-30 HVAC/Mech 41409 228TH AVE SE, ENUMCLAW WA 98022 41409 228TH AVE SE, ENUMCLAW, WA 98022
2026-07-30 HVAC/Mech 13608 SE 186TH PL, RENTON WA 98058 13608 SE 186TH PL, RENTON, WA 98058
2026-07-30 HVAC/Mech 36614 27TH AVE S, FEDERAL WAY WA 98003 36614 27TH AVE S, FEDERAL WAY, WA 98003
2026-07-30 HVAC/Mech 7051 S LAKERIDGE DR, SEATTLE WA 98178 7051 S LAKERIDGE DR, SEATTLE, WA 98178
2026-07-30 HVAC/Mech 36241 MILITARY RD S, AUBURN WA 98001 36241 MILITARY RD S, AUBURN, WA 98001
2026-07-30 HVAC/Mech 17419 NE 126TH PL, REDMOND WA 98052 17419 NE 126TH PL, REDMOND, WA 98052
2026-07-30 General Construction 0, WA 126 Union Hill Road Lot #4
2026-07-30 HVAC/Mech 17072 WOODSIDE DR SE, RENTON WA 98058 17072 WOODSIDE DR SE, RENTON, WA 98058
2026-07-30 HVAC/Mech 44504 SE 148TH ST, NORTH BEND WA 98045 44504 SE 148TH ST, NORTH BEND, WA 98045
2026-07-30 HVAC/Mech 10738 169TH AVE SE, RENTON WA 98059 10738 169TH AVE SE, RENTON, WA 98059
2026-07-30 HVAC/Mech 22217 233RD AVE SE, MAPLE VALLEY WA 98038 22217 233RD AVE SE, MAPLE VALLEY, WA 98038
2026-07-30 Demolition 12319 415TH AVE SE, 98045 (ART) KC RFMS NOWICKI DEMOLITION
2026-07-30 HVAC/Mech 28847 37TH AVE S, AUBURN WA 98001 28847 37TH AVE S, AUBURN, WA 98001
2026-07-30 HVAC/Mech 20828 SE 281ST ST, KENT WA 98042 20828 SE 281ST ST, KENT, WA 98042
2026-07-30 HVAC/Mech 25524 SE 159TH ST, ISSAQUAH WA 98027 25524 SE 159TH ST, ISSAQUAH, WA 98027
2026-07-29 General Construction $115,324 40830 236TH AVE SE, ENUMCLAW WA 98022 WATKINS BARN
2026-07-29 HVAC/Mech 25727 SE 240TH ST, MAPLE VALLEY WA 98038 25727 SE 240TH ST, MAPLE VALLEY, WA 98038
2026-07-29 HVAC/Mech 1827 290TH AVE NE, CARNATION WA 98014 1827 290TH AVE NE, CARNATION, WA 98014
2026-07-29 HVAC/Mech 18821 195TH CT NE, WOODINVILLE WA 98077 18821 195TH CT NE, WOODINVILLE, WA 98077
2026-07-29 HVAC/Mech 13814 280TH AVE NE, DUVALL WA 98019 13814 280TH AVE NE, DUVALL, WA 98019
2026-07-29 HVAC/Mech 14212 145TH PL SE, RENTON WA 98059 14212 145TH PL SE, RENTON, WA 98059
2026-07-29 HVAC/Mech 23410 SE DAYBREAK PL, MAPLE VALLEY WA 98038 23410 SE DAYBREAK PL, MAPLE VALLEY, WA 98038
2026-07-29 HVAC/Mech 18217 NE 133RD ST, REDMOND WA 98052 18217 NE 133RD ST, REDMOND, WA 98052
2026-07-29 HVAC/Mech 10901 26TH AVE SW, SEATTLE WA 98146 10901 26TH AVE SW, SEATTLE, WA 98146
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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 733+ 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 733 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 2026-08-01. 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 321 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

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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 733 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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