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 2026-09-18

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. 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
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
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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
2026-06-01 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
2026-05-30 General Construction Moderate - Event 16+ KOHITECTURE LLC
2026-05-29 HVAC/Mech 44713 SE 159TH ST, NORTH BEND WA 98045 44713 SE 159TH ST, NORTH BEND, WA 98045
2026-05-29 HVAC/Mech 43520 SE 151ST ST, NORTH BEND WA 98045 43520 SE 151ST ST, NORTH BEND, WA 98045
2026-05-29 General Construction Complex - Single Foothills Foods
2026-05-29 HVAC/Mech 28210 187TH AVE SE, KENT WA 98042 28210 187TH AVE SE, KENT, WA 98042
2026-05-29 HVAC/Mech 15413 SE 176TH ST, RENTON WA 98058 15413 SE 176TH ST, RENTON, WA 98058
2026-05-29 General Construction 32235 194TH AVE SE, KENT WA 98042 (PRO) MYRONETS FIRE DAMAGE REPAIR
2026-05-29 HVAC/Mech 11427 3RD AVE S, SEATTLE WA 98168 HIGHLINE SCHOOL DISTRICT VENTILATOR REPLACEMENT replacement
2026-05-29 HVAC/Mech 10929 ELLISTON WAY NE, REDMOND WA 98053 10929 ELLISTON WAY NE, REDMOND, WA 98053
2026-05-29 General Construction 11050 AUBURN AVE S, SEATTLE WA 98178 LEE DECK
2026-05-28 HVAC/Mech 30782 SE 408TH ST, ENUMCLAW WA 98022 30782 SE 408TH ST, ENUMCLAW, WA 98022
2026-05-28 HVAC/Mech 17052 NE 139TH ST, REDMOND WA 98052 17052 NE 139TH ST, REDMOND, WA 98052
2026-05-28 HVAC/Mech 29319 45TH PL S, AUBURN WA 98001 29319 45TH PL S, AUBURN, WA 98001
2026-05-28 HVAC/Mech 10825 CRESTWOOD DR S, SEATTLE WA 98178 10825 CRESTWOOD DR S, SEATTLE, WA 98178
2026-05-28 Electrical 15925 NE 175TH ST, WOODINVILLE WA 98072 AT&T LAKE LEOTA
2026-05-28 HVAC/Mech 11210 4TH PL SW, SEATTLE WA 98146 11210 4TH PL SW, SEATTLE, WA 98146
2026-05-28 Fire Protection 14299 476TH AVE SE, NORTH BEND WA 98045 RANBOW SINGLE FAMILY RESIDENCE [FIRE SPRINKLERS] residential
2026-05-28 HVAC/Mech 1620 S 107TH ST, SEATTLE WA 98168 1620 S 107TH ST, SEATTLE, WA 98168
2026-05-28 HVAC/Mech 20605 SE 334TH ST, AUBURN WA 98092 20605 SE 334TH ST, AUBURN, WA 98092
2026-05-28 Fire Protection 13229 158TH AVE SE, RENTON WA 98059 DHALIWAL TWO DEATACHED ACCESSORY DWELLING UNITS (SPRINKLERS REQUIRED) residential
2026-05-28 HVAC/Mech 30848 WEST LAKE MORTON DR SE, KENT WA 98042 30848 WEST LAKE MORTON DR SE, KENT, WA 98042
2026-05-28 General Construction Moderate - Event 05 Bussin' Shaved Ice
2026-05-27 General Construction 21815 NE 81ST ST WA 98053 OSS Repair or Modification Francis Zhou
2026-05-07 General Construction Complex - Event 02 Bibi Baseerah Salim
2026-05-05 General Construction Moderate - Event 04 Samijon's Hawaiian Shaved Ice
2026-05-04 Signage 24051 SE 223RD ST Submitting the first Critical Area Designation for this property.
2026-05-03 General Construction Moderate - Event 02 Hugo's Shave Ice
2026-04-30 General Construction 7830 S 128TH ST RESCONSTRUCT EXISTING DECK WITHIN EXISTING FOOTPRINT
2026-04-29 General Construction 14604 SE 167TH PL GARAGE CONVERSION AND INTERIOR ALTERATIONS FOR ADULT FAMILY HOME (AFH). MAX CAPA…
2026-04-27 General Construction Complex - Event 08 CERTIFIED BOOTH OPERATOR/ Truly…
2026-04-24 General Construction Complex - Event 08 PRAPANAT CRAWFORD
2026-04-16 General Construction 6510 242ND AVE NE CONVERTING LAUNDRY ROOM TO BATHROOM
2026-04-15 Roofing 21424 NE 146TH PL THIS PROJECT IS BACK PATIO ROOF REMODEL, NO NEW IMPERVIOUS SURFACE New installation New roof YOTAM LUBELCHIK
📞 (•••) •••-••••
2026-04-12 General Construction Moderate - Event 11 Cha Boran LLC
2026-04-08 General Construction 10431 320TH AVE NE INTERIOR REMODEL OF THE EXISTING SINGLE FAMILY RESIDENCE AND CONVERTING THE EXIS…
2026-04-07 General Construction Complex - Event 16+ CUTE DUMPLINGS
2026-04-02 General Construction 305 Harrison St Seattle 98109 Complex - Event 04 L. BEE'S FILIPINO DELI
2026-03-26 General Construction 2535 291ST AVE NE REVISION TO SITE PLAN STATING TOTAL ESTIMATED TREE REMOVAL IS 10,000 BOARD FEET.…
2026-03-24 Plumbing 2254 7TH AVE Seattle WA 98121 Plumbing Large Commercial 5A Silver 2 Gold Plumbing LLC
2026-03-19 General Construction Complex - Event 08 Sully Eats
2026-03-13 General Construction 19401 NE 133RD ST RECONSTRUCTING EXISTING RESTROOMS AND LAUNDRY ROOM TO EXISTING FIRE STATION - AD…
2026-03-13 General Construction Moderate - Event 02 VITALIY USTEMCHUK
2026-03-03 Demolition 18211 240TH AVE SE RECONFIGURE REAR WINDOW BAY TO INSTALL A PATIO DOOR AT THE GREAT ROOM. DEMOLISH … Erin Chandler
📞 (•••) •••-••••
2026-02-11 General Construction Complex - Unlimited Eskridge, Steve
2026-01-06 Plumbing 5464 SAND POINT WAY NE SEATTLE WA 98105 Plumbing Large Commercial 5A Adriatic Plumbing Inc.
2025-11-21 General Construction 20004 SE MAY VALLEY RD PROPOSED SHED 12X24 = 288SQ FT 288 roof sf
2025-11-19 General Construction 18191 136TH CONSTRUCT 2-STORY 4-BEDROOM SINGLE FAMILY RESIDENCE WITH ATTACHED GARAGE AND COV… 2-story 4 beds residential Aaron Koch
📞 (•••) •••-••••
2025-10-23 Plumbing 715 DEXTER AVE N Unit: Level 6 Interior Seattle 98109 Legacy Plumbing Permit MCKINSTRY COMPANY
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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 2026-09-18. 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. 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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