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.

4,499 indexed permits · King County, Washington.

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

PermitGrab tracks 4,499 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.

4,499
Indexed Permits
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Contractor count unavailable
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Property Owners · count unavailable
2026-09-25
Last Updated
Updated recently · 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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4,499 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-09-02 General Construction — 20842 2ND PL SW Normandy Park WA 98166 Pressurized System (New)-Single Family residential DESIGN BY ROBERT GOODMAN
2026-09-02 General Construction — — Complex - Event 09 La Costenita Cuisine inc
2026-09-02 Plumbing — 7508 56TH AVE NE Seattle WA 98115
Owner: Pet··· 🔒
Plumbing Residential Single Family Euro Tech Plumbing
2026-09-02 Plumbing — 701 First ave N Apt #311 Seattle WA 98109
Owner: ROY··· 🔒
Plumbing Residential Single Family ROYAL FLUSH PLUMBING LLC
2026-09-02 General Construction — — Moderate - Event 16+ Matcha Box LLC
2026-09-02 General Construction — 29607 SE 286TH ST WA 98051
Owner: Nic··· 🔒
Natural Gas Residential residential Washington Energy Services
2026-09-02 Plumbing — 1151 N 94TH ST Unit: 32 Seattle WA 98103
Owner: STR··· 🔒
Plumbing Residential Multi-Family PEREZ PLUMBING INC
2026-09-02 Plumbing — 11816 157TH AVE NE REDMOND WA 98052
Owner: Iho··· 🔒
Plumbing Residential Single Family Golden Eagle Plumbing
2026-09-02 General Construction — 555 110TH AVE NE Bellevue WA 98004 General Food Plan Review BNBuilders
2026-09-02 General Construction $369,474 — ERGP21-0026 CONNER HOMES PLAN 2005 residential —
2026-09-02 HVAC/Mech — 21415 RENTON MAPLE VALLEY RD SE, MAPLE VALLEY WA 98038 Maple Valley Community Club —
2026-09-02 Plumbing — 2325 W VIEWMONT WAY W Seattle 98199 Legacy Plumbing Permit SERVICE PLUMBING & HEATING INC
2026-09-02 General Construction $377,914 0, WA VINEYARD PLAZA LLC - NEW SINGLE FAMILY RESIDENCE - DGR Barndo residential New construction —
2026-09-02 General Construction — 23915 205TH AVE SE, MAPLE VALLEY WA 98038 GUYLL - ATTACHED ACCESSORY DWELLING UNIT - ADU Addition residential —
2026-09-02 General Construction — 19718 222ND AVE NE WA 98077
Owner: Day··· 🔒
Natural Gas Residential residential Switch Electric
2026-09-02 Plumbing — 6367 SAND POINT WAY NE Seattle WA 98115
Owner: O'D··· 🔒
Plumbing Small Commercial HD PARTNERS
2026-09-02 Plumbing — 1420 5TH AVE Seattle WA 98101
Owner: ENV··· 🔒
Backflow Assembly ENVIROMECH
2026-09-02 Plumbing — 11035 ELLISTON WAY NE WA 98053
Owner: Jam··· 🔒
Plumbing Residential Single Family FAST WATER HEATER COMPANY
2026-09-02 Plumbing — 14304 SE 164TH ST WA 98058
Owner: Gre··· 🔒
Plumbing Residential Single Family Washington Energy Services
2026-09-02 Plumbing — 5702 WOODLAWN AVE N Seattle WA 98103
Owner: Eri··· 🔒
Plumbing Residential Single Family BELLEVUE PLUMBING INC
2026-09-02 General Construction — 45026 228TH AVE SE WA 98022
Owner: CIT··· 🔒
Natural Gas Residential residential PEREZ PLUMBING INC
2026-09-02 Plumbing — 313 29TH AVE S Seattle WA 98144
Owner: Bri··· 🔒
Plumbing Residential Single Family FAST WATER HEATER COMPANY
2026-09-02 General Construction — 21310 SE 412th PL Unincorporated Pressurized System (New)-Single Family residential COLE SEPTIC DESIGN
2026-09-02 General Construction — 18032 WEST SPRING LAKE DR SE WA 98058
Owner: Rho··· 🔒
Natural Gas Residential residential BRENNAN HEATING CO INC
2026-09-02 Plumbing — 337 25TH AVE E Seattle WA 98112
Owner: CLA··· 🔒
Plumbing Demolition NORTHWEST MECHANICAL
2026-09-02 General Construction — 2627 MAGNOLIA LN W Seattle WA 98199
Owner: kev··· 🔒
Natural Gas Residential residential BELLEVUE PLUMBING INC
2026-09-02 Plumbing — 4106 BURKE AVE N Seattle WA 98103
Owner: WON··· 🔒
Plumbing Residential Single Family DANRENKE PLUMBING LLC
2026-09-01 HVAC/Mech — 19614 NE 169TH ST, WOODINVILLE WA 98077 19614 NE 169TH ST, WOODINVILLE, WA 98077 furnace, heat pump Home Comfort Alliance
📞 (•••) •••-••••
2026-09-01 HVAC/Mech — 13608 SE 186TH PL, RENTON WA 98058 13608 SE 186TH PL, RENTON, WA 98058 furnace Home Comfort Alliance
📞 (•••) •••-••••
2026-09-01 HVAC/Mech — 27652 188TH PL SE, KENT WA 98042 27652 188TH PL SE, KENT, WA 98042 furnace Veniamin Gnatyuk
📞 (•••) •••-••••
2026-09-01 Plumbing — 809 NE 80TH ST Seattle WA 98115
Owner: SOK··· 🔒
Plumbing Residential Single Family BETTER FLOW PLUMBING LLC
2026-09-01 HVAC/Mech — 10002 19TH AVE SW, SEATTLE WA 98146 10002 19TH AVE SW, SEATTLE, WA 98146 furnace Miriam Chavez
📞 (•••) •••-••••
2026-09-01 General Construction — 17922 218TH AVE NE WOODINVILLE WA 98077
Owner: Mik··· 🔒
Pressurized System (New)-Single Family residential Davis Septic Design
📞 (•••) •••-••••
2026-09-01 Plumbing — 9517 SW GORSUCH RD Unit: BLD B WA 98070
Owner: Jer··· 🔒
Backflow Assembly TRI STATE PLUMBING
📞 (•••) •••-••••
2026-09-01 Plumbing — 9515 SW GORSUCH RD Unit: Irrigation BF WA 98070
Owner: Jer··· 🔒
Backflow Assembly TRI STATE PLUMBING
📞 (•••) •••-••••
2026-09-01 HVAC/Mech — 14563 186TH PL NE, WOODINVILLE WA 98072 14563 186TH PL NE, WOODINVILLE, WA 98072 furnace Lucinda Honeycutt
📞 (•••) •••-••••
2026-09-01 HVAC/Mech — 13012 SE 184TH PL, RENTON WA 98058 13012 SE 184TH PL, RENTON, WA 98058 furnace Brennan Heating
📞 (•••) •••-••••
2026-09-01 Plumbing — 9513 SW GORSUCH RD Unit: BLD C WA 98070
Owner: Jer··· 🔒
Backflow Assembly TRI STATE PLUMBING
📞 (•••) •••-••••
2026-09-01 General Construction — 31226 NE 114TH ST WA 98014
Owner: Ric··· 🔒
Natural Gas Residential residential GEORGE GAS PIPING LLC
2026-09-01 Plumbing — 13531 NORTHSHIRE RD NW Seattle WA 98177
Owner: Pat··· 🔒
Plumbing Residential Single Family TIMELESS PLUMBING LLC
2026-09-01 Plumbing — 3049 29TH AVE W Seattle WA 98199
Owner: TEV··· 🔒
Plumbing Residential Single Family [email protected]
2026-09-01 Plumbing — 1151 N 94TH ST Unit: 44 Seattle WA 98103
Owner: STR··· 🔒
Plumbing Residential Multi-Family PEREZ PLUMBING INC
2026-09-01 General Construction — 5464 119TH AVE SE Bellevue WA 98006 VGB Compliance WMS Aquatics
2026-09-01 Plumbing — 8511 15TH AVE NW Seattle WA 98117
Owner: Ele··· 🔒
Plumbing Small Commercial STATE MECHANICAL COMPANY
2026-09-01 Plumbing — 600 BROADWAY Seattle WA 98122
Owner: Hea··· 🔒
Plumbing Small Commercial MacDonald-Miller Facility Solutions LLC
2026-09-01 Plumbing — 9515 SW GORSUCH RD Unit: BLD A WA 98070
Owner: Jer··· 🔒
Backflow Assembly Josh Mustard
2026-09-01 General Construction — 18804 170th PL NE Woodinville WA 98072
Owner: Han··· 🔒
Pressurized System (New)-Single Family residential Northlake Concrete Products Inc.
2026-09-01 General Construction — 18801 170TH PL NE WOODINVILLE WA 98072
Owner: Han··· 🔒
Pressurized System (New)-Single Family residential Northlake Concrete Products Inc.
2026-09-01 Plumbing — 412 NE 72ND ST Seattle WA 98115
Owner: Pre··· 🔒
Backflow Assembly Premier Plumbing
2026-09-01 General Construction — 1417 10TH AVE W Seattle WA 98119
Owner: MOO··· 🔒
Natural Gas Residential residential ABSOLUTE COMFORT HEATING AND COOLING 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 4499+ King County building permits — newest permit date: 2026-09-25 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 4,499 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: 2026-09-25. 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 4,499 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 4499 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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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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