King County Building Permits & Project Research

6,907 indexed permits · 1,724 contractor names in the last 90 days · 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
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 →

🔔 Get King County Permit Alerts

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

Project value is blank on every record displayed here, so the Value column is omitted.

⇄ Swipe or scroll to see address & contractor

Date Type Address Details Contractor / Status Save
2026-07-28 General Construction
Source type: Complex - Event 16+
— Complex - Event 16+ ×3 Elotador
📞 (•••) •••-••••
2026-07-28 Fire Protection
Source type: Fire/Fire Permit Systems/Alarm/NA
3925 236TH AVE NE modifications to existing fire alarm system fire alarm Shea Roland
📞 (•••) •••-••••
2026-07-28 General Construction
Source type: Residential Building - Single
0, WA Householder Spec —
2026-07-28 General Construction
Source type: Moderate Food Handling - Single Event Permit
— Moderate - Single Botanas don nacho
2026-07-28 HVAC
Source type: Building Mechanical Residential
32231 190TH AVE SE, AUBURN WA 98092 32231 190TH AVE SE, AUBURN, WA 98092 —
2026-07-28 HVAC
Source type: Building Mechanical Residential
21515 NE 159TH ST, WOODINVILLE WA 98077 21515 NE 159TH ST, WOODINVILLE, WA 98077 —
2026-07-28 HVAC
Source type: Building Mechanical Residential
17148 424TH AVE SE, NORTH BEND WA 98045 17148 424TH AVE SE, NORTH BEND, WA 98045 —
2026-07-28 Plumbing
Source type: 04b. Plumbing (by Contractor) - Small Commercial - without Plan Review*
1000 DEXTER AVE N Seattle WA 98109 Plumbing Small Commercial MacDonald-Miller Facility Solutions LLC
2026-07-28 HVAC
Source type: Building Mechanical Residential
31229 218TH PL SE, BLACK DIAMOND WA 98010 31229 218TH PL SE, BLACK DIAMOND, WA 98010 —
2026-07-28 HVAC
Source type: Building Mechanical Residential
17004 PARKSIDE WAY SE, RENTON WA 98058 17004 PARKSIDE WAY SE, RENTON, WA 98058 —
2026-07-28 Fire Protection
Source type: Fire/Special Events/Specific/NA
7277 PERIMETER RD S Setting up 2-20X40; tents to house crew and gear for the Blue Angels airplanes w… —
2026-07-27 HVAC
Source type: Building Mechanical Residential
19920 174TH AVE NE, WOODINVILLE WA 98072 19920 174TH AVE NE, WOODINVILLE, WA 98072 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
22346 NE 101ST PL, REDMOND WA 98053 22346 NE 101ST PL, REDMOND, WA 98053 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
15617 165TH PL NE, WOODINVILLE WA 98072 15617 165TH PL NE, WOODINVILLE, WA 98072 —
2026-07-27 General Construction
Source type: Complex Food Handling - Single Event Permit
— Complex - Single That Brown Girl Cooks!
2026-07-27 HVAC
Source type: Building Mechanical Residential
13405 SE 163RD ST, RENTON WA 98058 13405 SE 163RD ST, RENTON, WA 98058 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
34306 166TH WAY SE, AUBURN WA 98092 34306 166TH WAY SE, AUBURN, WA 98092 —
2026-07-27 General Construction
Source type: Moderate Food Handling - Single Event Permit
— Moderate - Single KB F&B LLC
2026-07-27 HVAC
Source type: Building Mechanical Residential
3040 273RD AVE NE, REDMOND WA 98053 3040 273RD AVE NE, REDMOND, WA 98053 —
2026-07-27 General Construction
Source type: Complex - Event 16+
— Complex - Event 16+ Habibi Tacos LLC
2026-07-27 HVAC
Source type: Building Mechanical Residential
3909 S 284TH PL, AUBURN WA 98001 3909 S 284TH PL, AUBURN, WA 98001 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
17059 166TH PL SE, RENTON WA 98058 17059 166TH PL SE, RENTON, WA 98058 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
12927 SE 185TH ST, RENTON WA 98058 12927 SE 185TH ST, RENTON, WA 98058 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
33357 SE 52ND ST, FALL CITY WA 98024 33357 SE 52ND ST, FALL CITY, WA 98024 —
2026-07-27 HVAC
Source type: Building Mechanical Residential
31809 NE 171ST ST, DUVALL WA 98019 31809 NE 171ST ST, DUVALL, WA 98019 —
2026-07-27 General Construction
Source type: Moderate Food Handling - Multiple (5) Event Permit Package
— Moderate - Multiple Ranz, Melissa
2026-07-27 General Construction
Source type: Building/Inspection Report/Miscellaneous/NA
23146 NE 128TH PL EXISTING SINGLE-FAMILY RESIDENCE FIRE DAMAGE. residential YAROSLAV PETRUS
2026-07-27 HVAC
Source type: Building Mechanical Residential
19041 NE 146TH WAY, WOODINVILLE WA 98072 19041 NE 146TH WAY, WOODINVILLE, WA 98072 —
2026-07-26 General Construction
Source type: Complex - Event 03
— Complex - Event 03 TAKIYAH MILLER
2026-07-26 General Construction
Source type: Moderate - Event 05
— Moderate - Event 05 Chiu Coffee LLC
2026-07-26 General Construction
Source type: Moderate - Event 16+
— Moderate - Event 16+ THE SIMPLY KETTLE COMPANY
2026-07-26 General Construction
Source type: Residential Building - Single
0, WA Mitchell Ridge —
2026-07-26 General Construction
Source type: Complex - Event 04
— Complex - Event 04 Gold Coast Ghal Kitchen
2026-07-26 General Construction
Source type: Complex - Event 06
— Complex - Event 06 54th St Soul Cafe LLC
2026-07-26 General Construction
Source type: Minimal Food Handling - Single Event Permit
— Minimal - Single Lake City Baked
2026-07-26 General Construction
Source type: Complex Food Handling - Single Event Permit
— Complex - Single sunrise savor llc
2026-07-25 General Construction
Source type: Complex - Event 10
— Complex - Event 10 Sully Eats
2026-07-25 General Construction
Source type: Complex Food Handling - Single Event Permit
— Complex - Single Goforth Family Fun Foods, LLC
2026-07-24 HVAC
Source type: Building Mechanical Residential
15566 SE 160TH PL, RENTON WA 98058 15566 SE 160TH PL, RENTON, WA 98058 —
2026-07-24 General Construction
Source type: Complex - Event 16+
— Complex - Event 16+ ×2 Sam's Crab Mac & Cheese LLC
2026-07-24 HVAC
Source type: Building Mechanical Residential
43235 SE 134TH ST, NORTH BEND WA 98045 43235 SE 134TH ST, NORTH BEND, WA 98045 —
2026-07-24 HVAC
Source type: Building Mechanical Residential
27837 46TH AVE S, AUBURN WA 98001 27837 46TH AVE S, AUBURN, WA 98001 —
2026-07-24 General Construction
Source type: Moderate - Event 03
— Moderate - Event 03 Wolde, Girum
2026-07-24 New Construction
Source type: Residential Building - ADU
16424 SE 135TH ST, RENTON WA 98059 Browne - Dream DADU —
2026-07-24 HVAC
Source type: Building Mechanical Residential
18438 231ST AVE SE, MAPLE VALLEY WA 98038 18438 231ST AVE SE, MAPLE VALLEY, WA 98038 —
2026-07-24 HVAC
Source type: Building Mechanical Residential
7022 S 127TH ST, SEATTLE WA 98178 7022 S 127TH ST, SEATTLE, WA 98178 —
2026-07-24 HVAC
Source type: Building Mechanical Commercial
1616 SW 100TH ST, SEATTLE WA 98146 Caceres —
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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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