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
2026-06-29 HVAC/Mech 10814 238TH TER NE, REDMOND WA 98053 10814 238TH TER NE, REDMOND, WA 98053
2026-06-29 HVAC/Mech 3428 264TH AVE NE, REDMOND WA 98053 3428 264TH AVE NE, REDMOND, WA 98053
2026-06-29 HVAC/Mech 15557 SE 160TH PL, RENTON WA 98058 15557 SE 160TH PL, RENTON, WA 98058
2026-06-29 HVAC/Mech 13700 SE 185TH WAY, RENTON WA 98058 13700 SE 185TH WAY, RENTON, WA 98058
2026-06-29 HVAC/Mech 25108 SE 158TH ST, ISSAQUAH WA 98027 25108 SE 158TH ST, ISSAQUAH, WA 98027
2026-06-29 HVAC/Mech 0, WA Zachary's Residence
2026-06-29 HVAC/Mech 26245 SE 42ND ST, ISSAQUAH WA 98029 26245 SE 42ND ST, ISSAQUAH, WA 98029
2026-06-29 General Construction 24607 NE 16TH ST, SAMMAMISH WA 98074 JAN - STRUCTURE ADDITION - Sunroom Addition
2026-06-29 HVAC/Mech 17079 427TH AVE SE, NORTH BEND WA 98045 17079 427TH AVE SE, NORTH BEND, WA 98045
2026-06-29 HVAC/Mech 17016 SE 180TH PL, RENTON WA 98058 17016 SE 180TH PL, RENTON, WA 98058
2026-06-29 HVAC/Mech 18025 SE 313TH ST, AUBURN WA 98092 18025 SE 313TH ST, AUBURN, WA 98092
2026-06-29 HVAC/Mech 18435 SE 280TH ST, KENT WA 98042 18435 SE 280TH ST, KENT, WA 98042
2026-06-29 General Construction $393,460 0, WA HEISER SINGLE FAMILY RESIDENCE
2026-06-29 HVAC/Mech 33006 172ND CT SE, AUBURN WA 98092 33006 172ND CT SE, AUBURN, WA 98092
2026-06-29 HVAC/Mech 12415 235TH PL NE, REDMOND WA 98053 12415 235TH PL NE, REDMOND, WA 98053
2026-06-29 HVAC/Mech 15746 NE 143RD PL, WOODINVILLE WA 98072 15746 NE 143RD PL, WOODINVILLE, WA 98072
2026-06-29 HVAC/Mech 18017 187TH AVE SE, RENTON WA 98058 18017 187TH AVE SE, RENTON, WA 98058
2026-06-29 HVAC/Mech 38323 SE 92ND ST, SNOQUALMIE WA 98065 38323 SE 92ND ST, SNOQUALMIE, WA 98065
2026-06-28 HVAC/Mech 30017 42ND PL S, AUBURN WA 98001 30017 42ND PL S, AUBURN, WA 98001
2026-06-28 HVAC/Mech 4609 S 300TH PL, AUBURN WA 98001 4609 S 300TH PL, AUBURN, WA 98001
2026-06-26 HVAC/Mech 15024 SE 113TH ST, RENTON WA 98059 15024 SE 113TH ST, RENTON, WA 98059
2026-06-26 HVAC/Mech 30615 SE 64TH ST, PRESTON WA 98050 28237 Peacock
2026-06-26 Electrical 9919 SW 204TH ST, VASHON WA 98070 RASH & ASSOCIATES SE05052A - RELATED TO ELEC26-0021
2026-06-26 General Construction 10831 26TH AVE SW, SEATTLE WA 98146 New SFR
2026-06-26 Structural 7642 S 115TH ST, SEATTLE WA 98178 Willis Foundation Repair
2026-06-26 HVAC/Mech 42714 214TH AVE SE, ENUMCLAW WA 98022 42714 214TH AVE SE, ENUMCLAW, WA 98022
2026-06-26 General Construction 14620 260TH AVE SE, ISSAQUAH WA 98027 Campbell Remodel
2026-06-26 General Construction 18605 SE 174TH WAY, RENTON WA 98058 Weger Floor Support
2026-06-26 Pool/Spa $44,570 34118 204TH AVE SE, AUBURN WA 98092 DOUGLAS INGROUND POOL
2026-06-26 HVAC/Mech 10724 GLEN ACRES DR S, SEATTLE WA 98168 10724 GLEN ACRES DR S, SEATTLE, WA 98168
2026-06-26 HVAC/Mech 29817 48TH AVE S, AUBURN WA 98001 29817 48TH AVE S, AUBURN, WA 98001
2026-06-26 HVAC/Mech 16705 SE 311TH ST, AUBURN WA 98092 16705 SE 311TH ST, AUBURN, WA 98092
2026-06-26 HVAC/Mech 29040 190TH PL SE, KENT WA 98042 29040 190TH PL SE, KENT, WA 98042
2026-06-26 General Construction 0, WA Skyway Crest Lot 11 - Parcel 781240-0110
2026-06-26 General Construction 0, WA SCILEPPI RESIDENCE
2026-06-25 HVAC/Mech 19125 201ST AVE NE, WOODINVILLE WA 98077 19125 201ST AVE NE, WOODINVILLE, WA 98077
2026-06-25 HVAC/Mech $369,858 20514 SE 424TH ST, ENUMCLAW WA 98022 OLSON DETACHED GARAGE
2026-06-25 HVAC/Mech 16148 PARKSIDE WAY SE, RENTON WA 98058 16148 PARKSIDE WAY SE, RENTON, WA 98058
2026-06-25 HVAC/Mech 12320 232ND WAY NE, REDMOND WA 98053 12320 232ND WAY NE, REDMOND, WA 98053
2026-06-25 HVAC/Mech 1218 247TH PL NE, SAMMAMISH WA 98074 1218 247TH PL NE, SAMMAMISH, WA 98074
2026-06-25 HVAC/Mech 16214 167TH AVE NE, WOODINVILLE WA 98072 16214 167TH AVE NE, WOODINVILLE, WA 98072
2026-06-25 Commercial Shell $50,000 12621 RENTON AVE S, B, SEATTLE WA 98178 TENG - COMMERCIAL TENANT IMPROVEMENT - Suite B - Restaurant TI
2026-06-25 HVAC/Mech 30716 48TH AVE S, AUBURN WA 98001 30716 48TH AVE S, AUBURN, WA 98001
2026-06-25 HVAC/Mech 202 SW 115TH ST, SEATTLE WA 98146 202 SW 115TH ST, SEATTLE, WA 98146
2026-06-25 HVAC/Mech 18323 189TH AVE NE, WOODINVILLE WA 98077 18323 189TH AVE NE, WOODINVILLE, WA 98077
2026-06-25 General Construction 17006 NE 160TH PL, WOODINVILLE WA 98072 (PRTZ) (DEC 2025 STORM)- SALIL TREE STRIKE DAMAGE INSPECTION ONLY
2026-06-24 Solar $24,000 MAPLE VALLEY-BLACK DIAMOND RD SE, MAPLE VALLEY WA 98038 (ART) KC PARKS BLACK DIAMOND OPEN SPACE (BDOS) EAST PARK SOLAR LIGHTING - FLOD25…
2026-06-24 General Construction 24130 SE 238TH ST, MAPLE VALLEY WA 98038 GRIFFIN - SITE REVISION - DWEL24-0283-RESS
2026-06-24 Solar $24,000 MAPLE VALLEY-BLACK DIAMOND RD SE, MAPLE VALLEY WA 98038 (ART) KC PARKS BLACK DIAMOND OPEN SPACE (BDOS) WEST PARK SOLAR LIGHTING - FLOD25…
2026-06-24 Solar $24,000 154TH PL SE, RENTON WA 98058 (ART) KC PARKS CRT @ 154TH SOLAR LIGHTING - FLOD25-0123
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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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