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
🔎 See for yourself — free: click any Reveal button to unmask up to 10 real contractor phone numbers. No account needed.

6,907 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 16326 SE 132ND ST, RENTON WA 98059 16326 SE 132ND ST, RENTON, WA 98059 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 15824 SE 160TH PL, RENTON WA 98058 15824 SE 160TH PL, RENTON, WA 98058 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 17509 187TH PL SE, RENTON WA 98058 17509 187TH PL SE, RENTON, WA 98058 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 23813 SE 248TH ST, MAPLE VALLEY WA 98038 23813 SE 248TH ST, MAPLE VALLEY, WA 98038 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 9906 239TH LN SE, ISSAQUAH WA 98027 9906 239TH LN SE, ISSAQUAH, WA 98027 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 17618 NE 130TH CT, REDMOND WA 98052 17618 NE 130TH CT, REDMOND, WA 98052 ×2 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 21204 5TH AVE S, DES MOINES WA 98198 21204 5TH AVE S, DES MOINES, WA 98198 —
2026-07-16 HVAC
Source type: Non-Building - Utility
$25,000 23020 NE ALDER CREST DR, REDMOND WA 98053 SPACEX SE03 BIKE SHELTER —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 16515 NE 44TH WAY, REDMOND WA 98052 16515 NE 44TH WAY, REDMOND, WA 98052 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 18728 SE 281ST ST, KENT WA 98042 18728 SE 281ST ST, KENT, WA 98042 —
2026-07-16 General Construction
Source type: Complex Food Handling - Single Event Permit
— — Complex - Single Stowers, Bernard
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 23571 NE TWINBERRY WAY, REDMOND WA 98053 23571 NE TWINBERRY WAY, REDMOND, WA 98053 —
2026-07-16 General Construction
Source type: Complex - Event 16+
— — Complex - Event 16+ REBECCA WONG
2026-07-16 General Construction
Source type: Complex - Event 16+
— — Complex - Event 16+ REEM'S KITCHEN
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 3229 S 312TH PL, AUBURN WA 98001 3229 S 312TH PL, AUBURN, WA 98001 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 13705 MORGAN DR NE, REDMOND WA 98053 13705 MORGAN DR NE, REDMOND, WA 98053 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 17041 431ST AVE SE, NORTH BEND WA 98045 17041 431ST AVE SE, NORTH BEND, WA 98045 —
2026-07-16 New Construction
Source type: Residential Building - Single
$953,677 0, WA KUMAR - NEW SINGLE FAMILY RESIDENCE - Yadav Residence residential —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 17019 183RD PL NE, WOODINVILLE WA 98072 17019 183RD PL NE, WOODINVILLE, WA 98072 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 17806 SE JONES RD, RENTON WA 98058 17806 SE JONES RD, RENTON, WA 98058 —
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 4010 266TH AVE NE, REDMOND WA 98053 4010 266TH AVE NE, REDMOND, WA 98053 —
2026-07-16 General Construction
Source type: Moderate Food Handling - Single Event Permit
— — Moderate - Single K&T Kitchen
2026-07-16 HVAC
Source type: Building Mechanical Residential
— 13329 ADAIR CREEK WAY NE, REDMOND WA 98053 13329 ADAIR CREEK WAY NE, REDMOND, WA 98053 —
2026-07-15 General Construction
Source type: Complex - Event 16+
— — Complex - Event 16+ Elotador
📞 (•••) •••-••••
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 33230 293RD AVE SE, BLACK DIAMOND WA 98010 33230 293RD AVE SE, BLACK DIAMOND, WA 98010 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 20202 230TH AVE NE, WOODINVILLE WA 98077 20202 230TH AVE NE, WOODINVILLE, WA 98077 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 10045 SW 122ND PL, VASHON WA 98070 10045 SW 122ND PL, VASHON, WA 98070 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 26232 SE 276TH ST, RAVENSDALE WA 98051 26232 SE 276TH ST, RAVENSDALE, WA 98051 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 1036 SW 100TH ST, SEATTLE WA 98106 1036 SW 100TH ST, SEATTLE, WA 98106 —
2026-07-15 General Construction
Source type: Complex - Event 16+
— — Complex - Event 16+ Aramark
2026-07-15 Interior Renovation
Source type: Addition-Improvement - Tenant
— 9615 16TH AVE SW, SEATTLE WA 98106 Chung & Do Bldg.-Tenant Improvement,Unit9615&a —
2026-07-15 HVAC
Source type: Residential Building - ADU
$567,949 13618 SE 192ND ST, RENTON WA 98058 DELIC DETACHED ACCESORY DWELLING UNITS —
2026-07-15 Interior Renovation
Source type: Addition-Improvement - Tenant
$50,000 17905 CEDAR FALLS RD SE, NORTH BEND WA 98045 CEDAR RIVER EDUCATION- TENANT IMPROVEMENT —
2026-07-15 Landscaping & Exterior
Source type: Residential Building - Addition-Improvement
— 14141 182ND AVE NE, WOODINVILLE WA 98072 HAYES GARAGE ADDITION —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 12733 197TH PL NE, WOODINVILLE WA 98077 12733 197TH PL NE, WOODINVILLE, WA 98077 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 13350 239TH WAY NE, REDMOND WA 98053 13350 239TH WAY NE, REDMOND, WA 98053 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 15341 185TH AVE NE, WOODINVILLE WA 98072 15341 185TH AVE NE, WOODINVILLE, WA 98072 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 12457 164TH AVE NE, REDMOND WA 98052 12457 164TH AVE NE, REDMOND, WA 98052 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 15117 210TH AVE NE, WOODINVILLE WA 98077 15117 210TH AVE NE, WOODINVILLE, WA 98077 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 18616 131ST AVE SE, RENTON WA 98058 18616 131ST AVE SE, RENTON, WA 98058 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 15005 SE 145TH PL, RENTON WA 98059 15005 SE 145TH PL, RENTON, WA 98059 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 24325 SE BLACK NUGGET RD, ISSAQUAH WA 98029 24325 SE BLACK NUGGET RD, ISSAQUAH, WA 98029 —
2026-07-15 HVAC
Source type: Residential Building - Single
$1,578,156 0, WA KALLEN SINGLE FAMILY RESIDENCE AND ACCESSORY LIVING QUARTERS (FIRE SPRINKLERS RE… sprinkler —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 14745 245TH AVE SE, ISSAQUAH WA 98027 14745 245TH AVE SE, ISSAQUAH, WA 98027 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 23916 NE 115TH LN, REDMOND WA 98053 23916 NE 115TH LN, REDMOND, WA 98053 —
2026-07-15 HVAC
Source type: Building Mechanical Residential
— 31663 NE 106TH ST, CARNATION WA 98014 31663 NE 106TH ST, CARNATION, WA 98014 —
2026-07-15 General Construction
Source type: Complex Food Handling - Single Event Permit
— — Complex - Single SVERA Consulting LLC dba Love Thy Flavour
2026-07-14 HVAC
Source type: Building Mechanical Residential
— 17409 NE 136TH ST, REDMOND WA 98052 17409 NE 136TH ST, REDMOND, WA 98052 —
2026-07-14 Electrical
Source type: Electrical Comm Device Antenna
— 20619 TINKHAM RD SE, NORTH BEND WA 98045 SB39 - BANDERA —
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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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