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.

4,201 indexed permits · King County, Washington.

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King County building permits — key stats
Newest permit 2026-09-20

PermitGrab tracks 4,201 building permits in King County, WA as of 2026-09-20.

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.

4,201
Indexed Permits
Contractor count unavailable
Property Owners · count unavailable
2026-09-21
Last Updated
Source date: 2026-09-20
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Published permit & code records

Permit data through 2026-09-20
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4,201 permits sorted by date

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Date Type Value Address Details Contractor / Status Save
2026-07-25 General Construction Complex - Event 10 Sully Eats
2026-07-25 General Construction Complex - Single Goforth Family Fun Foods, LLC
2026-07-24 General Construction Complex - Event 16+ Elotador
📞 (•••) •••-••••
2026-07-24 General Construction Moderate - Event 16+ THE SIMPLY KETTLE COMPANY
2026-07-24 General Construction Complex - Event 16+ ×2 Sam's Crab Mac & Cheese LLC
2026-07-24 General Construction Moderate - Event 03 Wolde, Girum
2026-07-24 General Construction Complex - Single LA CENTRAL
2026-07-24 HVAC/Mech 1616 SW 100TH ST, SEATTLE WA 98146 Caceres
2026-07-24 General Construction Complex - Single CHEECH 'N' CHANGAS (KC913)
2026-07-24 HVAC/Mech 27837 46TH AVE S, AUBURN WA 98001 27837 46TH AVE S, AUBURN, WA 98001
2026-07-24 General Construction $170,289 12335 UPPER PRESTON RD SE, ISSAQUAH WA 98027 CONROY ADDITION
2026-07-24 HVAC/Mech 10715 8TH AVE S, SEATTLE WA 98168 10715 8TH AVE S, SEATTLE, WA 98168
2026-07-24 General Construction 7839 S 113TH ST, SEATTLE WA 98178 ABC RICKETTS REMODEL - PREA25-0272 - ENFR25-0764
2026-07-24 HVAC/Mech 24122 SE 225TH ST, MAPLE VALLEY WA 98038 24122 SE 225TH ST, MAPLE VALLEY, WA 98038
2026-07-24 General Construction Complex - Event 16+ Aramark
2026-07-24 General Construction $864,412 0, WA ONISHCHENKO - NEW SINGLE FAMILY RESIDENCE residential
2026-07-24 HVAC/Mech $33,427 25611 SE 240TH ST, MAPLE VALLEY WA 98038 FEESE - RESIDENTIAL STRUCTURE ADDITION - Feese Residence Deck Replacement replacement
2026-07-24 HVAC/Mech 18413 127TH AVE SE, RENTON WA 98058 18413 127TH AVE SE, RENTON, WA 98058
2026-07-24 HVAC/Mech 43235 SE 134TH ST, NORTH BEND WA 98045 43235 SE 134TH ST, NORTH BEND, WA 98045
2026-07-24 General Construction 16424 SE 135TH ST, RENTON WA 98059 Browne - Dream DADU
2026-07-24 HVAC/Mech 15566 SE 160TH PL, RENTON WA 98058 15566 SE 160TH PL, RENTON, WA 98058
2026-07-24 HVAC/Mech 18438 231ST AVE SE, MAPLE VALLEY WA 98038 18438 231ST AVE SE, MAPLE VALLEY, WA 98038
2026-07-24 HVAC/Mech 7022 S 127TH ST, SEATTLE WA 98178 7022 S 127TH ST, SEATTLE, WA 98178
2026-07-24 General Construction $26,738 27133 SE GRAND RIDGE DR, ISSAQUAH WA 98029 BOYD ENCLOSED COVERED PATIO
2026-07-24 General Construction $271,461 14544 183RD AVE NE, WOODINVILLE WA 98072 JENSON ADDITION
2026-07-24 HVAC/Mech 42806 248TH AVE SE, ENUMCLAW WA 98022 42806 248TH AVE SE, ENUMCLAW, WA 98022
2026-07-23 HVAC/Mech 13550 ADAIR CREEK WAY NE, REDMOND WA 98053 13550 ADAIR CREEK WAY NE, REDMOND, WA 98053
2026-07-23 General Construction 10750 27TH AVE SW, SEATTLE WA 98146 LAW INTERIOR REMODEL
2026-07-23 HVAC/Mech 19417 233RD AVE NE, WOODINVILLE WA 98077 19417 233RD AVE NE, WOODINVILLE, WA 98077
2026-07-23 General Construction $38,088 33704 141ST PL SE, AUBURN WA 98092 CRATENSBERG - STRUCTURE ADDITION - #310 CRATENSBERG ADDITION
2026-07-23 HVAC/Mech 8045 S 118TH ST, SEATTLE WA 98178 8045 S 118TH ST, SEATTLE, WA 98178
2026-07-23 HVAC/Mech 14131 328TH AVE NE, DUVALL WA 98019 14131 328TH AVE NE, DUVALL, WA 98019
2026-07-23 General Construction 16600 148TH AVE SE, RENTON WA 98058 Fairwood Elementary
2026-07-23 HVAC/Mech $129,125 9429 255TH AVE NE, REDMOND WA 98053 JACOB STUDIO AND ALQ - related to ADDC26-0036
2026-07-23 HVAC/Mech 4051 S 296TH PL, AUBURN WA 98001 4051 S 296TH PL, AUBURN, WA 98001
2026-07-23 HVAC/Mech 12220 59TH AVE S, SEATTLE WA 98178 12220 59TH AVE S, SEATTLE, WA 98178
2026-07-23 HVAC/Mech 16721 CEDAR FALLS RD SE, NORTH BEND WA 98045 16721 CEDAR FALLS RD SE, NORTH BEND, WA 98045
2026-07-23 HVAC/Mech 21733 NE 140TH PL, WOODINVILLE WA 98077 21733 NE 140TH PL, WOODINVILLE, WA 98077
2026-07-23 HVAC/Mech 4820 S 284TH PL, AUBURN WA 98001 4820 S 284TH PL, AUBURN, WA 98001
2026-07-23 General Construction $220,332 10000 30TH AVE SW, SEATTLE WA 98146 OOBAMIKAEL ADDITION
2026-07-23 HVAC/Mech 13304 157TH AVE NE, REDMOND WA 98052 13304 157TH AVE NE, REDMOND, WA 98052
2026-07-23 General Construction 0, WA Richardson Residence residential
2026-07-23 HVAC/Mech 46815 276TH AVE SE, ENUMCLAW WA 98022 46815 276TH AVE SE, ENUMCLAW, WA 98022
2026-07-23 General Construction Complex - Single Tanner, Leanne
2026-07-23 General Construction Moderate - Single ×2 Tanner, Leanne
2026-07-23 General Construction Complex - Single Tanner, Kelly
2026-07-23 General Construction Complex - Event 15 La Polina LLC
2026-07-23 General Construction Moderate - Event 15 Hicks, Jaquayla
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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 4201+ King County building permits — newest permit date: 2026-09-20 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 4,201 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 2026-09-20. Newest permit date: 2026-09-20. 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 4,201 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 4201 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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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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