King County Building Permits & Property Data

Heads up: The current King County records do not yet meet PermitGrab's source-published contractor coverage threshold. This page focuses on permit records and property data; market-level contractor data coverage isn't available for this city.

4,201 indexed permits · King County, Washington.

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Public-record project research, not a shared-lead marketplace. Use the permit, source date, and available fields to research the builder, project, or adjacent work before outreach. Cancel anytime in one click — no retention call.

King County building permits — key stats
Newest permit 2026-09-18

PermitGrab tracks 4,201 building permits in King County, WA as of 2026-09-18.

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. The current records do not meet the source-published contractor-coverage threshold. 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
Updated recently · 2026-09-18
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New permits and property activity sent when new public records are available.

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Published permit & code records

Permit data through 2026-09-18

4,201 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-06-05 HVAC/Mech 13812 229TH DR SE, ISSAQUAH WA 98027 13812 229TH DR SE, ISSAQUAH, WA 98027
2026-06-04 Fire Protection 23741 257TH AVE SE, MAPLE VALLEY WA 98038 FREITAG SINGLE FAMILY RESIDENCE [FIRE SPRINKLERS] sprinkler
2026-06-04 HVAC/Mech 15805 212TH AVE NE, WOODINVILLE WA 98077 15805 212TH AVE NE, WOODINVILLE, WA 98077
2026-06-04 HVAC/Mech 34016 51ST AVE S, AUBURN WA 98001 34016 51ST AVE S, AUBURN, WA 98001
2026-06-04 HVAC/Mech 12205 BEACON AVE S, SEATTLE WA 98178 12205 BEACON AVE S, SEATTLE, WA 98178
2026-06-04 HVAC/Mech 13726 SE 141ST ST, RENTON WA 98059 13726 SE 141ST ST, RENTON, WA 98059
2026-06-04 HVAC/Mech 5506 S 340TH ST, AUBURN WA 98001 5506 S 340TH ST, AUBURN, WA 98001
2026-06-04 HVAC/Mech 17372 NE 160TH ST, WOODINVILLE WA 98072 17372 NE 160TH ST, WOODINVILLE, WA 98072
2026-06-04 HVAC/Mech 8314 208TH AVE NE, REDMOND WA 98053 8314 208TH AVE NE, REDMOND, WA 98053
2026-06-04 HVAC/Mech 10914 24TH PL SW, SEATTLE WA 98146 10914 24TH PL SW, SEATTLE, WA 98146
2026-06-04 HVAC/Mech 18615 NE 194TH ST, WOODINVILLE WA 98077 18615 NE 194TH ST, WOODINVILLE, WA 98077
2026-06-04 HVAC/Mech 24418 214TH AVE SE, MAPLE VALLEY WA 98038 24418 214TH AVE SE, MAPLE VALLEY, WA 98038
2026-06-03 General Construction 0, WA NEW SF
2026-06-03 HVAC/Mech 16512 147TH AVE SE, RENTON WA 98058 16512 147TH AVE SE, RENTON, WA 98058
2026-06-03 HVAC/Mech 32242 194TH AVE SE, KENT WA 98042 32242 194TH AVE SE, KENT, WA 98042
2026-06-03 HVAC/Mech 0, WA (PRTZ DEC 2025 STORM) BLACK DIAMOND SPRINGS - GREEN RIVER CROSSING
2026-06-03 General Construction 32951 139TH PL SE, AUBURN WA 98092 ERGP21-0061 LOT 18 GARETTE CUSTOM HOMES [FIRE SPRINLKERS]
2026-06-03 HVAC/Mech 46627 SE MT SI RD, NORTH BEND WA 98045 46627 SE MT SI RD, NORTH BEND, WA 98045
2026-06-03 HVAC/Mech 7819 S 134TH PL, SEATTLE WA 98178 7819 S 134TH PL, SEATTLE, WA 98178
2026-06-03 HVAC/Mech $100,000 22908 NE ALDER CREST DR, REDMOND WA 98053 SPACEX SE04 LN2 TANK (REVISION TO ADDC25-0233)
2026-06-03 General Construction 17409 NE 136TH ST, REDMOND WA 98052 136 ENGLISH HILL LLC - DETACHED ACCESSORY DWELLING UNIT #C residential
2026-06-03 General Construction 15423 232ND AVE NE, WOODINVILLE WA 98077 (PRO) ORTIZ ADDITION DECK
2026-06-03 HVAC/Mech 9720 30TH AVE SW, SEATTLE WA 98126 9720 30TH AVE SW, SEATTLE, WA 98126
2026-06-03 Pool/Spa $25,000 22630 NE MARKETPLACE DR, REDMOND WA 98053 SPACEX SE07 EXTERIOR BIKE AND GAS STORAGE PAD
2026-06-03 HVAC/Mech 910 S 102ND ST, SEATTLE WA 98168 910 S 102ND ST, SEATTLE, WA 98168
2026-06-03 General Construction 32012 199TH AVE SE, KENT WA 98042 (PRTZ) Doll Residence - Damage Assessment Inspection residential
2026-06-03 HVAC/Mech 9933 11TH AVE SW, SEATTLE WA 98106 9933 11TH AVE SW, SEATTLE, WA 98106
2026-06-03 HVAC/Mech 17719 NE 160TH PL, WOODINVILLE WA 98072 17719 NE 160TH PL, WOODINVILLE, WA 98072
2026-06-03 Roofing 600 S 96TH ST, SEATTLE WA 98108 (PRO) OLD DOMINION FREIGHT LINE - ROOF REPAIR - TPO COVER tpo
2026-06-03 General Construction 10204 19TH AVE SW, SEATTLE WA 98146 19th Ave Remodel
2026-06-02 General Construction 16540 147TH AVE SE, RENTON WA 98058 AFH INSPECTION ONLY-Kindness AFH TWO LLC
2026-06-02 HVAC/Mech 22871 NE 127TH WAY, REDMOND WA 98053 22871 NE 127TH WAY, REDMOND, WA 98053
2026-06-02 HVAC/Mech 32925 210TH AVE SE, AUBURN WA 98092 32925 210TH AVE SE, AUBURN, WA 98092
2026-06-02 Plumbing 0, WA 43rd St Pedestrian Pathway Drainage Repair
2026-06-02 HVAC/Mech 19608 140TH AVE SE, RENTON WA 98058 PETROKA - MANUFACTURED HOME STRUCTURE ADDITION
2026-06-02 HVAC/Mech 39224 200TH AVE SE, AUBURN WA 98092 39224 200TH AVE SE, AUBURN, WA 98092
2026-06-02 HVAC/Mech 4724 S 295TH PL, AUBURN WA 98001 4724 S 295TH PL, AUBURN, WA 98001
2026-06-02 HVAC/Mech 23020 NE ALDER CREST DR, REDMOND WA 98053 SPACEX SE02 TEMPORARY CHILLERS
2026-06-02 HVAC/Mech 43651 SE 171ST ST, NORTH BEND WA 98045 43651 SE 171ST ST, NORTH BEND, WA 98045
2026-06-02 General Construction 21520 NE 87TH PL, REDMOND WA 98053 PAI ACCESSORY DWELLING UNIT residential
2026-06-01 HVAC/Mech 18515 SE 287TH ST, KENT WA 98042 18515 SE 287TH ST, KENT, WA 98042
2026-06-01 HVAC/Mech 76146 NE 123RD ST, SKYKOMISH WA 98288 76146 NE 123RD ST, SKYKOMISH, WA 98288
2026-06-01 General Construction 15212 216TH AVE NE, WOODINVILLE WA 98077 CULVER ADDITION
2026-06-01 General Construction 10239 FOSS RIVER RD NE, SKYKOMISH WA 98288 INSPECTION ONLY/ ENFR21-0979-Skykomish garage
2026-06-01 General Construction 12503 SE 188TH PL, RENTON WA 98058 TUCKER KITCHEN AND DECK REMODEL
2026-06-01 HVAC/Mech 14132 177TH AVE NE, REDMOND WA 98052 14132 177TH AVE NE, REDMOND, WA 98052
2026-06-01 HVAC/Mech 22982 NE MARKETPLACE DR, REDMOND WA 98053 SPACEX SE05 NORTH EMECH CHAMBERS
2026-06-01 HVAC/Mech 14110 209TH AVE NE, WOODINVILLE WA 98077 14110 209TH AVE NE, WOODINVILLE, WA 98077
2026-06-01 HVAC/Mech 30029 42ND PL S, AUBURN WA 98001 30029 42ND PL S, AUBURN, WA 98001
2026-06-01 HVAC/Mech 15346 NE 140TH ST, REDMOND WA 98052 15346 NE 140TH ST, REDMOND, WA 98052
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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 lead coverage is not currently available for this city.

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 2026-09-18. 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. Source-published contractor coverage is not currently available for this city. 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. Source-published contractor coverage is not currently available for this city. 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. Source-published contractor coverage is not currently available for this city. 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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More Washington permit data

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Comparing permit-data tools? See BuildZoom vs Shovels vs PermitGrab (2026) — how to compare market coverage, source freshness, and available record fields.

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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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