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
2026-07-20 HVAC/Mech 6239 S 117TH ST, SEATTLE WA 98178 6239 S 117TH ST, SEATTLE, WA 98178
2026-07-20 General Construction Complex - Event 02 SIMPLY SOULFUL CAFE & ESPRESSO
2026-07-20 HVAC/Mech 15934 SE 176TH PL, RENTON WA 98058 15934 SE 176TH PL, RENTON, WA 98058
2026-07-18 HVAC/Mech 14110 475TH AVE SE, NORTH BEND WA 98045 14110 475TH AVE SE, NORTH BEND, WA 98045
2026-07-17 General Construction Moderate - Event 13 Swanky Scoop
📞 (•••) •••-••••
2026-07-17 General Construction Moderate - Event 01 Chayanan Mueandech
2026-07-17 General Construction $15,000 34500 SE 99TH ST, SNOQUALMIE WA 98065 KING CO PUBLIC HOSPITAL DISTRICT N - COMMERCIAL ACCESSORY STRUCTURE - KCSAR Stag… commercial
2026-07-17 HVAC/Mech 8212 DAYTON AVE N, SEATTLE WA 98103 8212 DAYTON AVE N, SEATTLE, WA 98103
2026-07-17 General Construction Complex - Single Esdaille, Viola
2026-07-17 HVAC/Mech $10,000 23020 NE ALDER CREST DR, REDMOND WA 98053 SPACEX SE02 VENTED GLOVE BOX
2026-07-17 HVAC/Mech 33344 SE 52ND ST, FALL CITY WA 98024 33344 SE 52ND ST, FALL CITY, WA 98024
2026-07-17 Demolition 20224 NE Novelty Hill RD, 605, Redmond WA 98053 #605 Redmond Trailer Demolition
2026-07-17 Plumbing 13725 SW POHL RD, VASHON WA 98070 Septic Repair
2026-07-17 HVAC/Mech 17021 196TH AVE SE, RENTON WA 98058 17021 196TH AVE SE, RENTON, WA 98058
2026-07-17 General Construction Complex - Event 05 The Salted Pantry
2026-07-17 HVAC/Mech $72,977 4206 S 280TH ST, AUBURN WA 98001 (ABC) AJLA DETACHED ACCESSORY ART STUDO- RELATED TO ENFR23-0826 / PREA24-0165
2026-07-17 HVAC/Mech 12200 16TH AVE S, SEATTLE WA 98168 12200 16TH AVE S, SEATTLE, WA 98168
2026-07-17 HVAC/Mech 14825 250TH PL SE, ISSAQUAH WA 98027 14825 250TH PL SE, ISSAQUAH, WA 98027
2026-07-17 General Construction 4516 362ND AVE SE, FALL CITY WA 98024 (PRO) FRY DETACHED ACCESSORY DWELLING UNIT CONVERSION residential
2026-07-17 HVAC/Mech 16515 NE 44TH WAY, REDMOND WA 98052 16515 NE 44TH WAY, REDMOND, WA 98052 ×2
2026-07-17 General Construction 4516 362ND AVE SE, FALL CITY WA 98024 Fry DADU
2026-07-17 Structural 30810 MILITARY RD S, AUBURN WA 98001 (PRO) FRANCIS FOUNDATION REPAIR
2026-07-16 General Construction Complex - Event 16+ REEM'S KITCHEN
2026-07-16 HVAC/Mech 13705 MORGAN DR NE, REDMOND WA 98053 13705 MORGAN DR NE, REDMOND, WA 98053
2026-07-16 HVAC/Mech 23571 NE TWINBERRY WAY, REDMOND WA 98053 23571 NE TWINBERRY WAY, REDMOND, WA 98053
2026-07-16 HVAC/Mech 13329 ADAIR CREEK WAY NE, REDMOND WA 98053 13329 ADAIR CREEK WAY NE, REDMOND, WA 98053
2026-07-16 HVAC/Mech 4010 266TH AVE NE, REDMOND WA 98053 4010 266TH AVE NE, REDMOND, WA 98053
2026-07-16 HVAC/Mech 17806 SE JONES RD, RENTON WA 98058 17806 SE JONES RD, RENTON, WA 98058
2026-07-16 HVAC/Mech 17019 183RD PL NE, WOODINVILLE WA 98072 17019 183RD PL NE, WOODINVILLE, WA 98072
2026-07-16 General Construction $953,677 0, WA KUMAR - NEW SINGLE FAMILY RESIDENCE - Yadav Residence residential
2026-07-16 HVAC/Mech 18728 SE 281ST ST, KENT WA 98042 18728 SE 281ST ST, KENT, WA 98042
2026-07-16 HVAC/Mech 17041 431ST AVE SE, NORTH BEND WA 98045 17041 431ST AVE SE, NORTH BEND, WA 98045
2026-07-16 HVAC/Mech $25,000 23020 NE ALDER CREST DR, REDMOND WA 98053 SPACEX SE03 BIKE SHELTER
2026-07-16 HVAC/Mech 16326 SE 132ND ST, RENTON WA 98059 16326 SE 132ND ST, RENTON, WA 98059
2026-07-16 HVAC/Mech 21204 5TH AVE S, DES MOINES WA 98198 21204 5TH AVE S, DES MOINES, WA 98198
2026-07-16 HVAC/Mech 17618 NE 130TH CT, REDMOND WA 98052 17618 NE 130TH CT, REDMOND, WA 98052
2026-07-16 HVAC/Mech 9906 239TH LN SE, ISSAQUAH WA 98027 9906 239TH LN SE, ISSAQUAH, WA 98027
2026-07-16 HVAC/Mech 23813 SE 248TH ST, MAPLE VALLEY WA 98038 23813 SE 248TH ST, MAPLE VALLEY, WA 98038
2026-07-16 HVAC/Mech 17509 187TH PL SE, RENTON WA 98058 17509 187TH PL SE, RENTON, WA 98058
2026-07-16 HVAC/Mech 15824 SE 160TH PL, RENTON WA 98058 15824 SE 160TH PL, RENTON, WA 98058
2026-07-16 General Construction Complex - Single Stowers, Bernard
2026-07-16 General Construction Complex - Event 16+ REBECCA WONG
2026-07-16 General Construction Moderate - Single K&T Kitchen
2026-07-16 HVAC/Mech 3229 S 312TH PL, AUBURN WA 98001 3229 S 312TH PL, AUBURN, WA 98001
2026-07-15 General Construction Complex - Event 16+ Elotador
📞 (•••) •••-••••
2026-07-15 Commercial Shell 9615 16TH AVE SW, SEATTLE WA 98106 Chung & Do Bldg.-Tenant Improvement,Unit9615&a
2026-07-15 HVAC/Mech $567,949 13618 SE 192ND ST, RENTON WA 98058 DELIC DETACHED ACCESORY DWELLING UNITS
2026-07-15 HVAC/Mech 15341 185TH AVE NE, WOODINVILLE WA 98072 15341 185TH AVE NE, WOODINVILLE, WA 98072
2026-07-15 General Construction Complex - Single SVERA Consulting LLC dba Love Thy Flavour
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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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