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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New permits and property activity sent when new public records are available.

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Published permit & code records

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

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-07-29 Fire Protection 28625 183RD CT SE Relocate two sprinkler heads and add one sprinkler head for coverage in new layo… sprinkler Jonathan Holt
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2026-07-29 Fire Protection 21256 SE 248TH ST Pump, triple-rinse, and dispose of contents. Then fill in place (1) 500-gallon U… Desirae Gray
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2026-07-29 HVAC/Mech 12751 ADAIR CREEK WAY NE 1 FURNACE; 1 HEAT PUMP furnace, heat pump South West Plumbing
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2026-07-29 HVAC/Mech 18821 195TH CT NE 1 DUCTLESS HEAT PUMP; 1 AIR HANDLER heat pump BelRed Permitting Department
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2026-07-29 HVAC/Mech 13814 280TH AVE NE 1 DUCTLESS HEAT PUMP heat pump BelRed Permitting Department
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2026-07-29 HVAC/Mech 3293 S 364TH ST 1 AIR HANDLER; 1 HEAT PUMP heat pump Karen Matheney
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2026-07-29 HVAC/Mech 25727 SE 240TH ST 1 DUCTLESS HEAT PUMP heat pump David Kallander
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2026-07-29 General Construction $115,324 40830 236TH AVE SE, ENUMCLAW WA 98022 WATKINS BARN
2026-07-29 General Construction $460,000 11230 15TH AVE SW, SEATTLE WA 98146 WEST SEATTLE MONTESSORI - COMMERCIAL CHANGE OF USE - #163 ROBERTS ADDITION CHANG…
2026-07-29 General Construction 14608 SE 181ST ST, RENTON WA 98058 PARRISH GARAGE CONVERSION
2026-07-29 General Construction Complex - Event 09 Toribio, Maria
2026-07-29 General Construction Complex - Single BSA Troop 80
2026-07-28 General Construction Complex - Event 16+ ×2 Elotador
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2026-07-28 Fire Protection 3925 236TH AVE NE modifications to existing fire alarm system fire alarm Shea Roland
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2026-07-28 General Construction 0, WA Householder Spec
2026-07-28 HVAC/Mech 32231 190TH AVE SE, AUBURN WA 98092 32231 190TH AVE SE, AUBURN, WA 98092
2026-07-28 HVAC/Mech 17004 PARKSIDE WAY SE, RENTON WA 98058 17004 PARKSIDE WAY SE, RENTON, WA 98058
2026-07-28 HVAC/Mech 21515 NE 159TH ST, WOODINVILLE WA 98077 21515 NE 159TH ST, WOODINVILLE, WA 98077
2026-07-28 HVAC/Mech 31229 218TH PL SE, BLACK DIAMOND WA 98010 31229 218TH PL SE, BLACK DIAMOND, WA 98010
2026-07-28 General Construction Moderate - Single Botanas don nacho
2026-07-28 Plumbing 1000 DEXTER AVE N Seattle WA 98109 Plumbing Small Commercial MacDonald-Miller Facility Solutions LLC
2026-07-28 Fire Protection 7277 PERIMETER RD S Setting up 2-20X40; tents to house crew and gear for the Blue Angels airplanes w…
2026-07-28 HVAC/Mech 17148 424TH AVE SE, NORTH BEND WA 98045 17148 424TH AVE SE, NORTH BEND, WA 98045
2026-07-27 HVAC/Mech 31809 NE 171ST ST, DUVALL WA 98019 31809 NE 171ST ST, DUVALL, WA 98019
2026-07-27 HVAC/Mech 19920 174TH AVE NE, WOODINVILLE WA 98072 19920 174TH AVE NE, WOODINVILLE, WA 98072
2026-07-27 General Construction 23146 NE 128TH PL EXISTING SINGLE-FAMILY RESIDENCE FIRE DAMAGE. residential YAROSLAV PETRUS
2026-07-27 General Construction Complex - Event 16+ Habibi Tacos LLC
2026-07-27 General Construction Moderate - Multiple Ranz, Melissa
2026-07-27 HVAC/Mech 3040 273RD AVE NE, REDMOND WA 98053 3040 273RD AVE NE, REDMOND, WA 98053
2026-07-27 HVAC/Mech 22346 NE 101ST PL, REDMOND WA 98053 22346 NE 101ST PL, REDMOND, WA 98053
2026-07-27 HVAC/Mech 15617 165TH PL NE, WOODINVILLE WA 98072 15617 165TH PL NE, WOODINVILLE, WA 98072
2026-07-27 HVAC/Mech 13405 SE 163RD ST, RENTON WA 98058 13405 SE 163RD ST, RENTON, WA 98058
2026-07-27 HVAC/Mech 3909 S 284TH PL, AUBURN WA 98001 3909 S 284TH PL, AUBURN, WA 98001
2026-07-27 General Construction 0, WA RICHMOND HOMES - CHANGE OF USE - Star Lake Heights - Lot 17 SALES OFFICE
2026-07-27 HVAC/Mech 34306 166TH WAY SE, AUBURN WA 98092 34306 166TH WAY SE, AUBURN, WA 98092
2026-07-27 HVAC/Mech 17059 166TH PL SE, RENTON WA 98058 17059 166TH PL SE, RENTON, WA 98058
2026-07-27 HVAC/Mech 12927 SE 185TH ST, RENTON WA 98058 12927 SE 185TH ST, RENTON, WA 98058
2026-07-27 HVAC/Mech 33357 SE 52ND ST, FALL CITY WA 98024 33357 SE 52ND ST, FALL CITY, WA 98024
2026-07-27 HVAC/Mech 19041 NE 146TH WAY, WOODINVILLE WA 98072 19041 NE 146TH WAY, WOODINVILLE, WA 98072
2026-07-27 General Construction Complex - Single That Brown Girl Cooks!
2026-07-27 General Construction Moderate - Single KB F&B LLC
2026-07-26 General Construction Moderate - Event 16+ THE SIMPLY KETTLE COMPANY
2026-07-26 General Construction Complex - Single sunrise savor llc
2026-07-26 General Construction Complex - Event 04 Gold Coast Ghal Kitchen
2026-07-26 General Construction Moderate - Event 05 Chiu Coffee LLC
2026-07-26 General Construction Complex - Event 03 TAKIYAH MILLER
2026-07-26 General Construction Minimal - Single Lake City Baked
2026-07-26 General Construction 0, WA Mitchell Ridge
2026-07-26 General Construction Complex - Event 06 54th St Soul Cafe LLC
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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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