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.

4,433 indexed permits · King County, Washington.

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King County building permits — key stats
Newest permit 2026-09-23

PermitGrab tracks 4,433 building permits in King County, WA as of 2026-09-23.

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.

4,433
Indexed Permits
Contractor count unavailable
Property Owners · count unavailable
2026-09-24
Last Updated
Source date: 2026-09-23
📊 View King County source-dated permit records →

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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 2026-09-23
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4,433 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-08-15 General Construction Complex - Event 16+ Aramark
2026-08-15 General Construction Complex - Event 11 Toribio, Maria
2026-08-15 General Construction Moderate - Event 12 Cha Boran LLC
2026-08-15 General Construction Complex - Event 04 Vega cuisine llc
2026-08-15 General Construction Complex - Event 03 Gumbo hospitality
2026-08-15 General Construction Complex - Event 16+ ×2 Kathmandu MomoCha - KC1119
2026-08-15 General Construction Complex - Event 05 Sweet Chiefs
2026-08-15 Plumbing 11416 Occidental Avenue South seattle WA 98168
Owner: Bru··· 🔒
Plumbing DIY Residential Bruce Shafer
2026-08-15 General Construction Temporary Event Blanket Permit Friends of Little Saigon
2026-08-15 General Construction Complex - Single
2026-08-15 Plumbing 8731 PALATINE AVE N Seattle WA 98103
Owner: Cc ··· 🔒
Plumbing Residential Single Family FM PLUMBING LLC
2026-08-15 General Construction 12034 59TH AVE S, SEATTLE WA 98178 Franck Residence Buffer residential
2026-08-15 General Construction Moderate - Event 08 SOUTH 2 WEST BOILED PEANUTS
2026-08-15 General Construction Moderate - Single LA CENTRAL
2026-08-15 General Construction 17510 233RD PL NE, WOODINVILLE WA 98077 MILLER ADDITION- RELATED TO ADDC24-0216
2026-08-15 General Construction Moderate - Event 16+ ×2 Sweet Fortune
2026-08-15 General Construction Complex - Event 16+ CAFECITO MEXICAN BAKERY
2026-08-15 General Construction Complex - Single Suzy Bichl
2026-08-15 General Construction Moderate - Event 14 BLUEBIRD BUSINESS LLC
2026-08-15 General Construction Complex - Single Jerk An Tingz
2026-08-15 General Construction Moderate - Single Griffin, Albert
2026-08-15 General Construction Complex - Event 06 Kenyan Kitchen
2026-08-15 General Construction Complex - Event 04 Super Donkey Tacos
2026-08-15 Demolition 13101 461ST AVE SE DEMOLISH EXISTING STRUCTURE Michelle Randall
2026-08-15 General Construction Temporary Event Blanket Permit DESNA SOCCER CLUB
2026-08-15 General Construction Complex - Event 05 Nicholas Harrington
2026-08-15 Plumbing 8729 PALATINE AVE N Seattle WA 98103
Owner: Cc ··· 🔒
Plumbing Residential Single Family FM PLUMBING LLC
2026-08-15 General Construction Moderate - Event 08 IVONNE PINEDA
2026-08-15 General Construction Moderate - Event 09 Tsukime Matcha LLC
2026-08-15 General Construction Moderate - Event 11 GUGU INTERNATIONAL LLC
2026-08-15 General Construction Complex - Event 07 Eskridge, Steve
2026-08-15 General Construction Complex - Single Abairs LLC
2026-08-15 General Construction Complex - Single Altha's Lousiana Seasoning &…
2026-08-15 General Construction Complex - Event 02 Morales, Jazlyn
2026-08-15 General Construction Moderate - Event 01 Zebra Opportunities Inc
2026-08-14 HVAC/Mech 19238 181ST AVE NE, WOODINVILLE WA 98077 19238 181ST AVE NE, WOODINVILLE, WA 98077 furnace Lucinda Honeycutt
📞 (•••) •••-••••
2026-08-14 HVAC/Mech 4612 S 301ST DR, AUBURN WA 98001 4612 S 301ST DR, AUBURN, WA 98001 heat pump Greenwood Heating and AC
📞 (•••) •••-••••
2026-08-14 HVAC/Mech 42705 SE 170TH PL, NORTH BEND WA 98045 42705 SE 170TH PL, NORTH BEND, WA 98045 heat pump Brennan Heating
📞 (•••) •••-••••
2026-08-14 General Construction 23808 NE 51ST ST REDMOND WA 98053
Owner: Deb··· 🔒
Pressurized System (New)-Single Family residential WHALEN DESIGNS LLC
2026-08-14 General Construction 4628 SUNNYSIDE AVE N Seattle WA 98103
Owner: KEU··· 🔒
Natural Gas Residential residential GEORGE GAS PIPING LLC
2026-08-14 Pool/Spa 18605 SE 174TH WAY Excessive deflection and sagging of floor joists in crawl space. We are going to… Permit Manager
📞 (•••) •••-••••
2026-08-14 HVAC/Mech 23163 NE 128TH PL, REDMOND WA 98053 23163 NE 128TH PL, REDMOND, WA 98053 furnace South West Plumbing
📞 (•••) •••-••••
2026-08-14 HVAC/Mech 28321 VASHON HWY SW, VASHON WA 98070 28321 VASHON HWY SW, VASHON, WA 98070 heat pump David Kallander
📞 (•••) •••-••••
2026-08-14 Plumbing 310 NE NORTHGATE WAY Seattle WA 98125
Owner: Ano··· 🔒
Plumbing Small Commercial SJS MECHANICAL SERVICES
2026-08-14 General Construction 1708 S Orcas St SEATTLE WA 98108-2829
Owner: BRA··· 🔒
Natural Gas DIY Residential residential Brady Hall
2026-08-14 Plumbing 16919 SE 180TH PL WA 98058
Owner: HOM··· 🔒
Plumbing Residential Single Family 365 PLUMBING
2026-08-14 Plumbing 219 23RD AVE Seattle WA 98122
Owner: REY··· 🔒
Plumbing Residential Single Family REY'S PLUMBING & MECHANICAL LLC
2026-08-14 General Construction Complex - Single Seattle Pollock, Inc
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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 4433+ King County building permits — newest permit date: 2026-09-24 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 4,433 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 2026-09-23. Newest permit date: 2026-09-24. 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 4,433 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 4433 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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