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.

PermitGrab Pro is a $149/mo subscription. 14-day Pro trial — choose your market first, then card required at checkout · cancel anytime before day 14.

Public-record project research, not a shared-lead marketplace. Use the permit, source date, and available fields to research the builder, project, or adjacent work before outreach. Cancel anytime in one click — no retention call.

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
📊 View King County source-dated permit records →

🔔 Get King County Permit Alerts

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

📥 Export CSV 📊 Report

Published permit & code records

Permit data through 2026-09-20

4,201 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-07-01 HVAC/Mech 5375 397TH AVE SE, SNOQUALMIE WA 98065 5375 397TH AVE SE, SNOQUALMIE, WA 98065
2026-07-01 HVAC/Mech 29517 47TH AVE S, AUBURN WA 98001 29517 47TH AVE S, AUBURN, WA 98001
2026-07-01 HVAC/Mech 19505 235TH AVE NE, WOODINVILLE WA 98077 19505 235TH AVE NE, WOODINVILLE, WA 98077
2026-07-01 HVAC/Mech 7608 254TH AVE NE, REDMOND WA 98053 7608 254TH AVE NE, REDMOND, WA 98053
2026-07-01 HVAC/Mech 10435 1ST AVE SW, SEATTLE WA 98146 10435 1ST AVE SW, SEATTLE, WA 98146
2026-07-01 General Construction 22240 NE 170TH PL, WOODINVILLE WA 98077 ARNOLD REMODEL - RELATED TO DWEL25-0211
2026-07-01 General Construction 17933 NE 127TH ST, REDMOND WA 98052 [PRO] MCNEIL INTERIOR REMODEL
2026-07-01 General Construction 15122 232ND AVE NE, WOODINVILLE WA 98077 CONGDON DADU AND ABC STRUCTURES
2026-07-01 General Construction Moderate - Event 04 Delicieux Crepes
2026-07-01 HVAC/Mech 9333 221ST PL NE, REDMOND WA 98053 9333 221ST PL NE, REDMOND, WA 98053
2026-07-01 HVAC/Mech 13702 231ST LN NE, REDMOND WA 98053 13702 231ST LN NE, REDMOND, WA 98053
2026-07-01 HVAC/Mech 3905 S 372ND ST, AUBURN WA 98001 3905 S 372ND ST, AUBURN, WA 98001
2026-07-01 HVAC/Mech 10240 6TH AVE SW, SEATTLE WA 98146 10240 6TH AVE SW, SEATTLE, WA 98146
2026-07-01 HVAC/Mech 15719 SE 160TH PL, RENTON WA 98058 15719 SE 160TH PL, RENTON, WA 98058
2026-06-30 General Construction $12,674 17738 SE 187TH PL, RENTON WA 98058 (PRO) ALI PERGOLA ADDITION
2026-06-30 General Construction Complex - Event 16+ NF LLC ( DBA Nana's Food Bites , Bubbly Bites & Sips )
2026-06-30 Fire Protection 43591 SE 145TH PL, NORTH BEND WA 98045 BUCHAN SINGLE FAMILY RESIDENCE [FIRE SPRINKLERS] residential
2026-06-30 HVAC/Mech 4403 264TH AVE NE, REDMOND WA 98053 4403 264TH AVE NE, REDMOND, WA 98053
2026-06-30 HVAC/Mech 16035 148TH AVE NE, WOODINVILLE WA 98072 16035 148TH AVE NE, WOODINVILLE, WA 98072
2026-06-30 HVAC/Mech 19114 NE 151ST ST, WOODINVILLE WA 98072 19114 NE 151ST ST, WOODINVILLE, WA 98072
2026-06-30 HVAC/Mech 8215 255TH AVE NE, REDMOND WA 98053 8215 255TH AVE NE, REDMOND, WA 98053
2026-06-30 HVAC/Mech 14236 157TH PL NE, WOODINVILLE WA 98072 14236 157TH PL NE, WOODINVILLE, WA 98072
2026-06-30 HVAC/Mech 36214 23RD PL S, FEDERAL WAY WA 98003 36214 23RD PL S, FEDERAL WAY, WA 98003
2026-06-30 General Construction 0, WA Skyway Crest Lot 8 - Parcel 781240-0080
2026-06-30 General Construction 0, WA LINK SINGLE FAMILY RESIDENCE - RELATED TO DWEL25-0101 residential
2026-06-30 HVAC/Mech 23226 NE 64TH ST, REDMOND WA 98053 23226 NE 64TH ST, REDMOND, WA 98053
2026-06-30 HVAC/Mech 2504 367TH AVE SE, FALL CITY WA 98024 2504 367TH AVE SE, FALL CITY, WA 98024
2026-06-30 HVAC/Mech 19629 NE 58TH PL, REDMOND WA 98053 19629 NE 58TH PL, REDMOND, WA 98053
2026-06-30 HVAC/Mech 23725 SE 221ST ST, MAPLE VALLEY WA 98038 23725 SE 221ST ST, MAPLE VALLEY, WA 98038
2026-06-30 HVAC/Mech 25277 SE 356TH ST, AUBURN WA 98092 25277 SE 356TH ST, AUBURN, WA 98092
2026-06-30 HVAC/Mech 31423 NE 108TH ST, CARNATION WA 98014 31423 NE 108TH ST, CARNATION, WA 98014
2026-06-30 HVAC/Mech 15517 SE 175TH CT, RENTON WA 98058 15517 SE 175TH CT, RENTON, WA 98058
2026-06-30 HVAC/Mech 14421 444TH AVE SE, NORTH BEND WA 98045 14421 444TH AVE SE, NORTH BEND, WA 98045
2026-06-30 HVAC/Mech $104,460 31141 NE 144TH ST, DUVALL WA 98019 FAHRENKOPF - DETACHED ACCESSORY STRUCTURE
2026-06-30 HVAC/Mech 9931 223RD AVE NE, REDMOND WA 98053 9931 223RD AVE NE, REDMOND, WA 98053
2026-06-30 HVAC/Mech 29124 41ST CT S, AUBURN WA 98001 29124 41ST CT S, AUBURN, WA 98001
2026-06-30 HVAC/Mech 28418 33RD LN S, AUBURN WA 98001 28418 33RD LN S, AUBURN, WA 98001
2026-06-29 General Construction Moderate - Event 13 NibNib Cookies LLC
2026-06-29 HVAC/Mech 0, WA Zachary's Residence
2026-06-29 HVAC/Mech 38023 204TH AVE SE, AUBURN WA 98092 38023 204TH AVE SE, AUBURN, WA 98092
2026-06-29 HVAC/Mech 17079 427TH AVE SE, NORTH BEND WA 98045 17079 427TH AVE SE, NORTH BEND, WA 98045
2026-06-29 HVAC/Mech 3428 264TH AVE NE, REDMOND WA 98053 3428 264TH AVE NE, REDMOND, WA 98053
2026-06-29 HVAC/Mech 10814 238TH TER NE, REDMOND WA 98053 10814 238TH TER NE, REDMOND, WA 98053
2026-06-29 HVAC/Mech 15557 SE 160TH PL, RENTON WA 98058 15557 SE 160TH PL, RENTON, WA 98058
2026-06-29 HVAC/Mech 13700 SE 185TH WAY, RENTON WA 98058 13700 SE 185TH WAY, RENTON, WA 98058
2026-06-29 HVAC/Mech 25108 SE 158TH ST, ISSAQUAH WA 98027 25108 SE 158TH ST, ISSAQUAH, WA 98027
2026-06-29 HVAC/Mech 26245 SE 42ND ST, ISSAQUAH WA 98029 26245 SE 42ND ST, ISSAQUAH, WA 98029
2026-06-29 HVAC/Mech 17016 SE 180TH PL, RENTON WA 98058 17016 SE 180TH PL, RENTON, WA 98058
2026-06-29 HVAC/Mech 18025 SE 313TH ST, AUBURN WA 98092 18025 SE 313TH ST, AUBURN, WA 98092
2026-06-29 HVAC/Mech 18435 SE 280TH ST, KENT WA 98042 18435 SE 280TH ST, KENT, WA 98042
Page 77 of 85 ← Prev 1 2 76 77 78 84 85 Next →
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.

See Pricing Set Up Free Alerts

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.
Free resources

More on King County & U.S. construction activity

Free permit tools
Permit lookup tools and a free city-by-city volume lookup — no signup required.
Permit activity badge
Show clients King County permit activity from public records — copy one line of HTML for your website.

More Washington permit data

Seattle permits Spokane permits Tacoma permits Bellevue permits Vancouver permits Everett permits Kirkland permits Bellingham permits Pierce County permits Port Orchard permits

Comparing permit-data tools? See BuildZoom vs Shovels vs PermitGrab (2026) — how to compare market coverage, source freshness, and available record fields.

Free, no signup: look up recent King County building permits & contractors →

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
Choose your market →
Then finish
setup