King County Building Permits & Project Research

6,907 indexed permits · 1,724 contractor names in the last 90 days · King County, Washington.

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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
Active contractors 1,724
Newest permit 2026-11-05

PermitGrab tracks 6,907 building permits in King County, WA as of 2026-11-05, including 1,724 active contractors identified from filings in the last 90 days.

✓ 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. In this market, that includes contractor records from the official municipal feed. 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 — contractors, addresses, and project values. 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.

6,907
Indexed Permits
1,724
Contractor names (90 days)
2026-11-05
Last Updated
Source date: 2026-11-05
📊 View King County source-dated permit records →

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

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Published permit & code records

Permit data through 2026-11-05

6,907 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-07-08 HVAC
Source type: Building Mechanical Residential
— 16705 NE 137TH ST, WOODINVILLE WA 98072 16705 NE 137TH ST, WOODINVILLE, WA 98072 —
2026-07-08 HVAC
Source type: Building Mechanical Residential
— 13916 175TH PL NE, REDMOND WA 98052 13916 175TH PL NE, REDMOND, WA 98052 —
2026-07-08 HVAC
Source type: Building Mechanical Residential
— 16804 159TH PL SE, RENTON WA 98058 16804 159TH PL SE, RENTON, WA 98058 —
2026-07-08 Demolition
Source type: Demolition Inspection
— 36229 200TH AVE SE, 98092 (ART) KC PARKS KOOYMAN 2 DEMOLITION —
2026-07-08 General Construction
Source type: Complex - Event 16+
— — Complex - Event 16+ 2 Guys Grill on Wheels
2026-07-08 General Construction
Source type: Residential Building - Single
$323,376 28818 NE TOLT HILL RD, CARNATION WA 98014 JOHN DAY HOMES INC SINGLE FAMILY RESIDENCE residential —
2026-07-08 HVAC
Source type: Addition-Improvement - Tenant
$150,000 23040 NE ALDER CREST DR, REDMOND WA 98053 SpaceX - SE03 Crane —
2026-07-08 HVAC
Source type: Building Mechanical Residential
— 17264 SE 185TH ST, RENTON WA 98058 17264 SE 185TH ST, RENTON, WA 98058 —
2026-07-08 General Construction
Source type: Moderate - Event 11
— — Moderate - Event 11 Classic Mini Donuts
2026-07-07 General Construction
Source type: Inspection Report - Miscellaneous
— 7150 TOLT RIVER RD NE, 98014 BRODI-NATION SITE VISIT —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 40206 SE 53RD ST, SNOQUALMIE WA 98065 40206 SE 53RD ST, SNOQUALMIE, WA 98065 —
2026-07-07 Landscaping & Exterior
Source type: Residential Building - Addition-Improvement
$65,949 10227 148TH AVE SE, RENTON WA 98059 [PRO] JORDAN ADDITON GARAGE —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 10621 3RD AVE SW, SEATTLE WA 98146 10621 3RD AVE SW, SEATTLE, WA 98146 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 26515 NE 15TH ST, REDMOND WA 98053 26515 NE 15TH ST, REDMOND, WA 98053 ×2 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 27422 NE 30TH WAY, REDMOND WA 98053 27422 NE 30TH WAY, REDMOND, WA 98053 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 8903 384TH AVE SE, SNOQUALMIE WA 98065 8903 384TH AVE SE, SNOQUALMIE, WA 98065 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 14139 216TH WAY NE, WOODINVILLE WA 98077 14139 216TH WAY NE, WOODINVILLE, WA 98077 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 17526 151ST AVE SE, RENTON WA 98058 17526 151ST AVE SE, RENTON, WA 98058 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 29009 SE KENT KANGLEY RD, RAVENSDALE WA 98051 29009 SE KENT KANGLEY RD, RAVENSDALE, WA 98051 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 23026 SE 448TH ST, ENUMCLAW WA 98022 23026 SE 448TH ST, ENUMCLAW, WA 98022 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 32941 202ND PL SE, AUBURN WA 98092 32941 202ND PL SE, AUBURN, WA 98092 —
2026-07-07 HVAC
Source type: Building Mechanical Residential
— 17629 NE 138TH ST, REDMOND WA 98052 17629 NE 138TH ST, REDMOND, WA 98052 —
2026-07-07 General Construction
Source type: Residential Building - Single
$257,072 4516 362ND AVE SE, FALL CITY WA 98024 FRY SINGLE FAMILY RESIDENCE residential —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 14713 180TH AVE SE, RENTON WA 98059 14713 180TH AVE SE, RENTON, WA 98059 —
2026-07-06 General Construction
Source type: Moderate - Event 15
— — Moderate - Event 15 NibNib Cookies LLC
2026-07-06 Landscaping & Exterior
Source type: Residential Building - Addition-Improvement
— 15316 NE 140TH ST, REDMOND WA 98052 Residential Deck Rebuild —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 32309 169TH AVE SE, AUBURN WA 98092 32309 169TH AVE SE, AUBURN, WA 98092 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 23326 SE 199TH ST, MAPLE VALLEY WA 98038 23326 SE 199TH ST, MAPLE VALLEY, WA 98038 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 35821 166TH LN SE, AUBURN WA 98092 35821 166TH LN SE, AUBURN, WA 98092 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 16832 MCINTYRE RD SW, VASHON WA 98070 16832 MCINTYRE RD SW, VASHON, WA 98070 —
2026-07-06 Landscaping & Exterior
Source type: Residential Building - Addition-Improvement
— 12330 206TH PL SE, ISSAQUAH WA 98027 MCLEAN ADDITION GARAGE —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 13004 250TH PL SE, ISSAQUAH WA 98027 13004 250TH PL SE, ISSAQUAH, WA 98027 —
2026-07-06 Addition
Source type: Residential Building - Addition-Improvement
— 17418 185TH AVE NE, WOODINVILLE WA 98072 MCGRATH - REVISION TO ADDC25-0610 - FIRE WALL —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 42010 SE 135TH ST, NORTH BEND WA 98045 42010 SE 135TH ST, NORTH BEND, WA 98045 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 19819 132ND PL SE, RENTON WA 98058 19819 132ND PL SE, RENTON, WA 98058 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 22743 WAX ORCHARD RD SW, VASHON WA 98070 22743 WAX ORCHARD RD SW, VASHON, WA 98070 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 12034 77TH AVE S, SEATTLE WA 98178 12034 77TH AVE S, SEATTLE, WA 98178 —
2026-07-06 General Construction
Source type: Moderate - Event 04
— — Moderate - Event 04 Jodec Investment Group, LLC dba Matcha Muna
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 11937 198TH AVE NE, REDMOND WA 98053 11937 198TH AVE NE, REDMOND, WA 98053 —
2026-07-06 HVAC
Source type: Building Mechanical Residential
— 23951 NE 115TH LN, REDMOND WA 98053 23951 NE 115TH LN, REDMOND, WA 98053 —
2026-07-05 General Construction
Source type: Complex Food Handling - Single Event Permit
— — Complex - Single LOVEY DOUGHVEY LLC
2026-07-05 HVAC
Source type: Building Mechanical Residential
— 21926 VASHON HWY SW, VASHON WA 98070 21926 VASHON HWY SW, VASHON, WA 98070 —
2026-07-05 General Construction
Source type: Complex - Event 06
— — Complex - Event 06 OMG Gyros
2026-07-05 General Construction
Source type: Complex - Event 05
— — Complex - Event 05 OMG Gyros
2026-07-05 HVAC
Source type: Residential Building - Addition-Improvement
— 39029 254TH AVE SE, ENUMCLAW WA 98022 LASHBROOK ADDITION DETACHED GARAGE —
2026-07-04 General Construction
Source type: Moderate Food Handling - Unlimited Event Permit Package
— — Moderate - Unlimited GreenMissy
2026-07-03 HVAC
Source type: Building Mechanical Residential
— 14812 SE 172ND PL, RENTON WA 98058 14812 SE 172ND PL, RENTON, WA 98058 —
2026-07-03 HVAC
Source type: Building Mechanical Residential
— 6728 SW MAURY PARK RD, VASHON WA 98070 6728 SW MAURY PARK RD, VASHON, WA 98070 —
2026-07-03 General Construction
Source type: Moderate Food Handling - Single Event Permit
— — Moderate - Single GAERLAN, BRUNO
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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 being recorded. Contractors can filter the available public records by trade, date, address, and project value to research projects and plan outreach using the fields the source publishes.

About King County Building Permits

King County, Washington processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 6,907+ King County building permits — newest permit date: 2026-11-05 from this listing's source.

Building permits in King County can document new construction, renovations, and specialty work. The fields in a public record vary by filing, but may include a project address, scope, estimated cost, or contractor name. Use the displayed source information to evaluate whether a record is useful for your market research.

How Contractors Use King County Permit Data

HVAC contractors, electricians, plumbers, and roofers can use King County building-permit records to research visible construction activity. A permit may signal a project that is relevant to a particular trade, but the source record does not establish that its owner is seeking a bid.

Use the published date, project details, and any named business contact to research a project before outreach. Public records are not exclusive, and outreach results depend on the market, project, and your own process.

Eligible subscribers can receive trade-filtered alerts when new records are collected. Alert timing and field coverage follow the underlying source rather than a universal schedule.

PermitGrab methodology · Page data current as of · Source: 3 public source feeds.

Who appears in King County permit records?

PermitGrab indexes 6,907 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 2026-11-05. Newest permit date: 2026-11-05. 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 6,907 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.

1 workflow for King County research

Start with the published project record.

🕵️

The project-team lookup

Search a business name to review its recorded permit activity in King County and the project details the public source publishes. Use the scope, timing, and address to research complementary work; a record is not a request for bids.

Research King County project activity — Pro $149/mo

How to look up King County building permits

Search recent King County, WA building permits by address, contractor, 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 and the most active contractors, see the King County Permit Pulse.

Nearby Washington Cities — explore building permits in other Washington cities

Research King County project activity

Email alerts when new public records are available for newly published permits and recorded project-team activity. Contact details are shown only where the public source publishes them. 14-day Pro trial for alerts — card required; Pro $149/mo unlocks full available 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 6,907 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 find leads in King County by filtering PermitGrab by trade and ZIP code, then researching the recorded contractor and project activity. Contact details appear only where a public record includes them; saved-search email alerts track new matching records as they are published.

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. Contractor phone and website reveals are included where source-published. 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.

Contractors & subs
Recent King County contractor activity is a signal for labor and material demand. Contact details appear only where the public source publishes them.
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, with contractor details where the record publishes them.
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