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) 745
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
2026-06-18 HVAC/Mech 9530 SW BAYVIEW DR, VASHON WA 98070 9530 SW BAYVIEW DR, VASHON, WA 98070
2026-06-18 HVAC/Mech 31703 NE 115TH PL, CARNATION WA 98014 31703 NE 115TH PL, CARNATION, WA 98014
2026-06-18 General Construction 16519 NE MARYMOOR WAY, REDMOND WA 98052 Skyway Crest Lot 1
2026-06-18 HVAC/Mech 13325 SE 312TH WAY, AUBURN WA 98092 33-26-31555 VZW East Auburn
2026-06-18 General Construction 10452 12TH AVE SW, SEATTLE WA 98146 LY RESIDENCE- INSPECTION ONLY
2026-06-18 HVAC/Mech 8232 233RD PL NE, REDMOND WA 98053 8232 233RD PL NE, REDMOND, WA 98053
2026-06-18 General Construction 11842 77TH AVE S, SEATTLE WA 98178 11842 Seattle
2026-06-18 HVAC/Mech 9668 242ND WAY NE, REDMOND WA 98053 9668 242ND WAY NE, REDMOND, WA 98053
2026-06-18 General Construction 20630 NE 150TH ST, WOODINVILLE WA 98077 ANTHONY INTERIOR REMODEL
2026-06-18 HVAC/Mech 23043 NE 61ST ST, REDMOND WA 98053 23043 NE 61ST ST, REDMOND, WA 98053
2026-06-18 HVAC/Mech 29504 47TH AVE S, AUBURN WA 98001 29504 47TH AVE S, AUBURN, WA 98001
2026-06-18 HVAC/Mech 10126 126TH AVE SE, RENTON WA 98056 10126 126TH AVE SE, RENTON, WA 98056
2026-06-18 HVAC/Mech 21524 NE 92ND PL, REDMOND WA 98053 21524 NE 92ND PL, REDMOND, WA 98053
2026-06-18 Solar $24,000 252ND AVE SE, ENUMCLAW WA 98022 (ART) KC PARKS FOOTHILLS TRAIL SOLAR LIGHTING - FLOD25-0120
2026-06-18 Solar $81,000 36429 44TH AVE S, 98001 (ART) KC PARKS FIVE MILE PARK SOLAR LIGHTING
2026-06-18 Solar $24,000 S 344TH ST, WA 98001 (ART) KC PARKS LAKE GENEVA PARK SOLAR LIGHTING
2026-06-18 General Construction $345,412 0, WA COWAN SINGLE FAMILY RESIDENCE
2026-06-17 HVAC/Mech 7717 S 117TH ST, SEATTLE WA 98178 7717 S 117TH ST, SEATTLE, WA 98178
2026-06-17 Solar $24,000 SE GREEN VALLEY RD, AUBURN WA 98092 (ART) KC PARKS METZLER PARK SOLAR LIGHTING
2026-06-17 General Construction 18412 SE 108TH ST, ISSAQUAH WA 98027 (PRO) MANNING INTERIOR REMODEL
2026-06-17 General Construction 13336 174TH AVE NE, REDMOND WA 98052 Kumar & Singh Remodel
2026-06-17 HVAC/Mech 30500 SE 79TH ST, ISSAQUAH WA 98027 J & J LOTT LLC SAN MAR REPLACEMENT
2026-06-17 HVAC/Mech 16842 427TH PL SE, NORTH BEND WA 98045 16842 427TH PL SE, NORTH BEND, WA 98045
2026-06-17 HVAC/Mech 37301 28TH AVE S, FEDERAL WAY WA 98003 37301 28TH AVE S, FEDERAL WAY, WA 98003
2026-06-17 HVAC/Mech 30319 SE 26TH ST, FALL CITY WA 98024 30319 SE 26TH ST, FALL CITY, WA 98024
2026-06-17 HVAC/Mech $2,500 17110 148TH AVE NE, WOODINVILLE WA 98072 (PRTZ) (PRO) HOLLYWOOD HILLS ELEM MECHANICAL
2026-06-17 General Construction 14537 SE 183RD ST, RENTON WA 98058 ESPINOZA DECK
2026-06-17 HVAC/Mech 11108 28TH AVE SW, SEATTLE WA 98146 11108 28TH AVE SW, SEATTLE, WA 98146
2026-06-17 General Construction $222,623 32025 NE 112TH ST, CARNATION WA 98014 CLARK ADDITION
2026-06-17 General Construction 44460 228TH AVE SE, ENUMCLAW WA 98022 Kossert RESS
2026-06-17 HVAC/Mech 7607 224TH AVE NE, REDMOND WA 98053 7607 224TH AVE NE, REDMOND, WA 98053
2026-06-17 Electrical 21018 204TH AVE SE, MAPLE VALLEY WA 98038 T-MOBILE PETROVITSKY HILL WIRELESS MODIFICATION
2026-06-17 General Construction 6940 229TH PL NE, REDMOND WA 98053 MORARU ADDITION
2026-06-17 General Construction 14913 SE 183RD ST, RENTON WA 98058 BRAY SUNROOM
2026-06-17 HVAC/Mech 4927 236TH AVE NE, REDMOND WA 98053 4927 236TH AVE NE, REDMOND, WA 98053
2026-06-17 HVAC/Mech 12101 194TH AVE NE, REDMOND WA 98053 12101 194TH AVE NE, REDMOND, WA 98053
2026-06-17 HVAC/Mech 23620 NE TWINBERRY WAY, REDMOND WA 98053 23620 NE TWINBERRY WAY, REDMOND, WA 98053
2026-06-17 HVAC/Mech 22836 NE 126TH ST, REDMOND WA 98053 22836 NE 126TH ST, REDMOND, WA 98053
2026-06-17 HVAC/Mech 23042 NE 128TH PL, REDMOND WA 98053 23042 NE 128TH PL, REDMOND, WA 98053
2026-06-17 HVAC/Mech 23815 NE 127TH ST, REDMOND WA 98053 23815 NE 127TH ST, REDMOND, WA 98053
2026-06-17 HVAC/Mech 38813 258TH AVE SE, ENUMCLAW WA 98022 38813 258TH AVE SE, ENUMCLAW, WA 98022
2026-06-17 HVAC/Mech 27721 187TH AVE SE, KENT WA 98042 27721 187TH AVE SE, KENT, WA 98042
2026-06-17 Demolition 20630 NE 150TH ST, WOODINVILLE WA 98077 Wall removal
2026-06-17 General Construction $52,926 18819 181ST AVE SE, RENTON WA 98058 BONDARCHUK PATIO COVER
2026-06-17 HVAC/Mech 7507 LAKE ALICE RD SE, FALL CITY WA 98024 7507 LAKE ALICE RD SE, FALL CITY, WA 98024
2026-06-17 HVAC/Mech $15,000 9627 DES MOINES MEMORIAL DR S, SEATTLE WA 98108 RED APPLE MECHANICAL
2026-06-17 Solar $24,000 SE MUD MOUNTAIN RD, ENUMCLAW WA 98022 (ART) KC PARKS PINNACLE PEAK PARK SOLAR LIGHTING
2026-06-17 HVAC/Mech 31901 NE 102ND PL, CARNATION WA 98014 31901 NE 102ND PL, CARNATION, WA 98014
2026-06-17 HVAC/Mech 47035 SE 119TH ST, NORTH BEND WA 98045 47035 SE 119TH ST, NORTH BEND, WA 98045
2026-06-17 General Construction $980,058 0, WA THREE RIVERS ESTATES - LOT 10 - NEW SFR
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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.

Free, no signup: look up recent King County building permits & contractors →

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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