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
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6,907 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2026-06-24 General Construction
Source type: SiteDevCA/Grade/Clearing/NA
— 4726 232ND AVE NE REMOVE TWO DOUGLAS FIR TREES (19-INCH AND 36-INCH DBH) TO CREATE HABITAT SNAGS A… Suzanne Zderic
📞 (•••) •••-••••
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 15480 SE FAIRWOOD BLVD, RENTON WA 98058 15480 SE FAIRWOOD BLVD, RENTON, WA 98058 —
2026-06-24 General Construction
Source type: Complex - Event 10
— — Complex - Event 10 RTI INC DBA Ray's Food
2026-06-24 General Construction
Source type: Building Residential Site
— 24130 SE 238TH ST, MAPLE VALLEY WA 98038 GRIFFIN - SITE REVISION - DWEL24-0283-RESS —
2026-06-24 Demolition
Source type: Demolition Inspection
— 11819 RENTON AVE S, 98178 (ART) KC PARKS SKYWAY BOWL DEMOLITION —
2026-06-24 Addition
Source type: Residential Building - Addition-Improvement
— 14125 165TH AVE NE, WOODINVILLE WA 98072 PECK ADDITION —
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 34229 56TH AVE S, AUBURN WA 98001 34229 56TH AVE S, AUBURN, WA 98001 —
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 21710 NE 181ST PL, WOODINVILLE WA 98077 21710 NE 181ST PL, WOODINVILLE, WA 98077 —
2026-06-24 Electrical
Source type: Accessory Building - Basic
$24,000 154TH PL SE, RENTON WA 98058 (ART) KC PARKS CRT @ 154TH SOLAR LIGHTING - FLOD25-0123 solar —
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 10014 19TH AVE SW, SEATTLE WA 98146 10014 19TH AVE SW, SEATTLE, WA 98146 —
2026-06-24 Electrical
Source type: Accessory Building - Basic
$24,000 MAPLE VALLEY-BLACK DIAMOND RD SE, MAPLE VALLEY WA 98038 (ART) KC PARKS BLACK DIAMOND OPEN SPACE (BDOS) EAST PARK SOLAR LIGHTING - FLOD25… solar —
2026-06-24 Electrical
Source type: Accessory Building - Basic
$24,000 MAPLE VALLEY-BLACK DIAMOND RD SE, MAPLE VALLEY WA 98038 (ART) KC PARKS BLACK DIAMOND OPEN SPACE (BDOS) WEST PARK SOLAR LIGHTING - FLOD25… solar —
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 33016 SE 44TH ST, FALL CITY WA 98024 33016 SE 44TH ST, FALL CITY, WA 98024 —
2026-06-24 Landscaping & Exterior
Source type: Residential Building - Addition-Improvement
— 19809 SE 319TH ST, KENT WA 98042 Turner Pool Gym —
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 36822 34TH AVE S, AUBURN WA 98001 36822 34TH AVE S, AUBURN, WA 98001 —
2026-06-24 HVAC
Source type: Building Mechanical Residential
— 16213 SE 165TH ST, RENTON WA 98058 16213 SE 165TH ST, RENTON, WA 98058 —
2026-06-23 HVAC
Source type: Building/Mechanical/Commercial/NA
— 11301 RAINIER AVE S INSTALL ONE WALK-IN COOLER. New installation HVAC installation Keith Ta
📞 (•••) •••-••••
2026-06-23 HVAC
Source type: Building Mechanical Residential
— 13440 179TH AVE NE, REDMOND WA 98052 13440 179TH AVE NE, REDMOND, WA 98052 —
2026-06-23 General Construction
Source type: Moderate - Event 16+
— — Moderate - Event 16+ BOBAHOLIC CAFE
2026-06-23 HVAC
Source type: Building Mechanical Residential
— 14424 152ND PL SE, RENTON WA 98059 14424 152ND PL SE, RENTON, WA 98059 —
2026-06-23 HVAC
Source type: Building Mechanical Commercial
— 22842 NE MARKETPLACE DR, REDMOND WA 98053 SPACEX SE06 SECOND FLOOR VRV AND SPLIT SYSTEMS —
2026-06-23 HVAC
Source type: Building Mechanical Residential
— 11403 80TH PL S, SEATTLE WA 98178 11403 80TH PL S, SEATTLE, WA 98178 —
2026-06-23 General Construction
Source type: Residential Building - Single
— 0, WA Swan Cabin —
2026-06-23 HVAC
Source type: Residential Building - Addition-Improvement
— 22900 SE 438TH ST, ENUMCLAW WA 98022 Penney Accessory Structure —
2026-06-23 HVAC
Source type: Building Mechanical Residential
— 23708 NE 63RD PL, REDMOND WA 98053 23708 NE 63RD PL, REDMOND, WA 98053 —
2026-06-23 Roofing
Source type: Addition-Improvement - Tenant
$350,100 32627 SE REDMOND FALL CITY RD, FALL CITY WA 98024 CHIEF KANIM MS - COMMERCIAL ROOF REPLACEMENT replacement —
2026-06-23 HVAC
Source type: Building Mechanical Residential
— 33112 SE 43RD ST, FALL CITY WA 98024 33112 SE 43RD ST, FALL CITY, WA 98024 —
2026-06-23 Electrical
Source type: Accessory Building - Basic
— SE 214TH ST, MAPLE VALLEY WA 98038 (ART) KC PARKS CRT @ 214TH SOLAR LIGHTING solar —
2026-06-23 Addition
Source type: Residential Building - Addition-Improvement
— 8101 382ND AVE SE, SNOQUALMIE WA 98065 MILHOLLAND-LAPPETITO ADDITION —
2026-06-23 HVAC
Source type: Building Mechanical Residential
— 15952 186TH AVE NE, WOODINVILLE WA 98072 15952 186TH AVE NE, WOODINVILLE, WA 98072 —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 10225 242ND AVE NE, REDMOND WA 98053 10225 242ND AVE NE, REDMOND, WA 98053 —
2026-06-22 Electrical
Source type: Electrical Comm Device Antenna
— 64110 NE INDEX CREEK RD, BARING WA 98224 822523-709341- T-Mobile Anchor —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 21230 SE FALCON WAY, KENT WA 98042 21230 SE FALCON WAY, KENT, WA 98042 —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 13234 181ST AVE SE, RENTON WA 98059 13234 181ST AVE SE, RENTON, WA 98059 —
2026-06-22 General Construction
Source type: Complex Food Handling - Unlimited Event Permit Package
— — Complex - Unlimited PIZZA RITUAL
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 27021 SE 156TH ST, ISSAQUAH WA 98027 27021 SE 156TH ST, ISSAQUAH, WA 98027 —
2026-06-22 Electrical
Source type: Accessory Building - Basic
$24,000 SE 216TH WAY, MAPLE VALLEY WA 98038 (ART) KC PARKS CRT @ 216TH SOLAR LIGHTING solar —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 8303 252ND AVE NE, REDMOND WA 98053 8303 252ND AVE NE, REDMOND, WA 98053 —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 8250 S 122ND ST, SEATTLE WA 98178 8250 S 122ND ST, SEATTLE, WA 98178 —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 3200 S 356TH ST, AUBURN WA 98001 3200 S 356TH ST, AUBURN, WA 98001 —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 29705 48TH AVE S, AUBURN WA 98001 29705 48TH AVE S, AUBURN, WA 98001 —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 32219 NE 193RD ST, DUVALL WA 98019 32219 NE 193RD ST, DUVALL, WA 98019 —
2026-06-22 Electrical
Source type: Accessory Building - Basic
$114,000 11050 10TH AVE SW, 98146 (ART) KC PARKS DICK THURNAU PARK SOLAR LIGHTING - FLOD25-0121 solar —
2026-06-22 Electrical
Source type: Accessory Building - Basic
$24,000 12301 164TH AVE SE, 98059 (ART) KC PARKS COALFIELD PARK SOLAR LIGHTING - FLOD25-0122 solar —
2026-06-22 HVAC
Source type: Building Mechanical Residential
— 20050 139TH WAY SE, KENT WA 98042 20050 139TH WAY SE, KENT, WA 98042 —
2026-06-21 HVAC
Source type: Building Mechanical Residential
— 31313 NE 111TH ST, CARNATION WA 98014 31313 NE 111TH ST, CARNATION, WA 98014 —
2026-06-19 HVAC
Source type: Building Mechanical Residential
— 28810 191ST PL SE, KENT WA 98042 28810 191ST PL SE, KENT, WA 98042 —
2026-06-19 HVAC
Source type: Building Mechanical Residential
— 17234 NE 126TH PL, REDMOND WA 98052 17234 NE 126TH PL, REDMOND, WA 98052 —
2026-06-19 HVAC
Source type: Building Mechanical Residential
— 4919 260TH AVE NE, REDMOND WA 98053 4919 260TH AVE NE, REDMOND, WA 98053 —
2026-06-19 HVAC
Source type: Building Mechanical Residential
— 13825 SE 173RD PL, RENTON WA 98058 13825 SE 173RD PL, RENTON, WA 98058 —
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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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