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:

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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
2026-06-01 Interior Renovation
Source type: Residential Building - Addition-Improvement
12503 SE 188TH PL, RENTON WA 98058 TUCKER KITCHEN AND DECK REMODEL —
2026-06-01 HVAC
Source type: Building Mechanical Residential
9909 182ND AVE SE, ISSAQUAH WA 98027 9909 182ND AVE SE, ISSAQUAH, WA 98027 —
2026-06-01 HVAC
Source type: Building Mechanical Residential
14132 177TH AVE NE, REDMOND WA 98052 14132 177TH AVE NE, REDMOND, WA 98052 —
2026-06-01 HVAC
Source type: Building Mechanical Residential
15346 NE 140TH ST, REDMOND WA 98052 15346 NE 140TH ST, REDMOND, WA 98052 —
2026-06-01 Landscaping & Exterior
Source type: Inspection Report - Miscellaneous
10239 FOSS RIVER RD NE, SKYKOMISH WA 98288 INSPECTION ONLY/ ENFR21-0979-Skykomish garage —
2026-06-01 HVAC
Source type: Building Mechanical Residential
18515 SE 287TH ST, KENT WA 98042 18515 SE 287TH ST, KENT, WA 98042 —
2026-06-01 HVAC
Source type: Building Mechanical Residential
76146 NE 123RD ST, SKYKOMISH WA 98288 76146 NE 123RD ST, SKYKOMISH, WA 98288 —
2026-06-01 HVAC
Source type: Addition-Improvement - Tenant
22982 NE MARKETPLACE DR, REDMOND WA 98053 SPACEX SE05 NORTH EMECH CHAMBERS —
2026-05-30 General Construction
Source type: Moderate - Event 16+
— Moderate - Event 16+ KOHITECTURE LLC
2026-05-29 Addition
Source type: Residential Building - Addition-Improvement
32235 194TH AVE SE, KENT WA 98042 (PRO) MYRONETS FIRE DAMAGE REPAIR —
2026-05-29 HVAC
Source type: Building Mechanical Residential
43520 SE 151ST ST, NORTH BEND WA 98045 43520 SE 151ST ST, NORTH BEND, WA 98045 —
2026-05-29 HVAC
Source type: Building Mechanical Residential
10929 ELLISTON WAY NE, REDMOND WA 98053 10929 ELLISTON WAY NE, REDMOND, WA 98053 —
2026-05-29 General Construction
Source type: Complex Food Handling - Single Event Permit
— Complex - Single Foothills Foods
2026-05-29 HVAC
Source type: Building Mechanical Residential
28210 187TH AVE SE, KENT WA 98042 28210 187TH AVE SE, KENT, WA 98042 —
2026-05-29 HVAC
Source type: Building Mechanical Residential
15413 SE 176TH ST, RENTON WA 98058 15413 SE 176TH ST, RENTON, WA 98058 —
2026-05-29 HVAC
Source type: Building Mechanical Residential
44713 SE 159TH ST, NORTH BEND WA 98045 44713 SE 159TH ST, NORTH BEND, WA 98045 —
2026-05-29 HVAC
Source type: Building Mechanical Commercial
11427 3RD AVE S, SEATTLE WA 98168 HIGHLINE SCHOOL DISTRICT VENTILATOR REPLACEMENT replacement —
2026-05-29 Landscaping & Exterior
Source type: Residential Building - Addition-Improvement
11050 AUBURN AVE S, SEATTLE WA 98178 LEE DECK —
2026-05-28 General Construction
Source type: Moderate - Event 05
— Moderate - Event 05 Bussin' Shaved Ice
📞 (•••) •••-••••
2026-05-28 HVAC
Source type: Building Mechanical Residential
17052 NE 139TH ST, REDMOND WA 98052 17052 NE 139TH ST, REDMOND, WA 98052 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
30782 SE 408TH ST, ENUMCLAW WA 98022 30782 SE 408TH ST, ENUMCLAW, WA 98022 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
20605 SE 334TH ST, AUBURN WA 98092 20605 SE 334TH ST, AUBURN, WA 98092 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
30848 WEST LAKE MORTON DR SE, KENT WA 98042 30848 WEST LAKE MORTON DR SE, KENT, WA 98042 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
10825 CRESTWOOD DR S, SEATTLE WA 98178 10825 CRESTWOOD DR S, SEATTLE, WA 98178 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
29319 45TH PL S, AUBURN WA 98001 29319 45TH PL S, AUBURN, WA 98001 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
1620 S 107TH ST, SEATTLE WA 98168 1620 S 107TH ST, SEATTLE, WA 98168 —
2026-05-28 HVAC
Source type: Building Mechanical Residential
11210 4TH PL SW, SEATTLE WA 98146 11210 4TH PL SW, SEATTLE, WA 98146 —
2026-05-28 New Construction
Source type: Residential Building - ADU
13229 158TH AVE SE, RENTON WA 98059 DHALIWAL TWO DEATACHED ACCESSORY DWELLING UNITS (SPRINKLERS REQUIRED) residential —
2026-05-28 Electrical
Source type: Electrical Comm Device Antenna
15925 NE 175TH ST, WOODINVILLE WA 98072 AT&T LAKE LEOTA —
2026-05-28 Fire Protection
Source type: Residential Building - Single
14299 476TH AVE SE, NORTH BEND WA 98045 RANBOW SINGLE FAMILY RESIDENCE [FIRE SPRINKLERS] residential —
2026-05-27 General Construction
Source type: OSS Repair or Modification Permit
21815 NE 81ST ST WA 98053 OSS Repair or Modification Francis Zhou
2026-05-07 General Construction
Source type: Complex - Event 02
— Complex - Event 02 Bibi Baseerah Salim
2026-05-05 General Construction
Source type: Moderate - Event 04
— Moderate - Event 04 Samijon's Hawaiian Shaved Ice
2026-05-04 Signage
Source type: SiteDevCA/Critical Areas Designation/Formal Design
24051 SE 223RD ST Submitting the first Critical Area Designation for this property. —
2026-05-03 General Construction
Source type: Moderate - Event 02
— Moderate - Event 02 Hugo's Shave Ice
2026-04-30 Addition
Source type: Building/Residential Building/Addition-Improvement
7830 S 128TH ST RESCONSTRUCT EXISTING DECK WITHIN EXISTING FOOTPRINT —
2026-04-29 Interior Renovation
Source type: Building/Residential Building/Addition-Improvement
14604 SE 167TH PL GARAGE CONVERSION AND INTERIOR ALTERATIONS FOR ADULT FAMILY HOME (AFH). MAX CAPA… —
2026-04-27 General Construction
Source type: Complex - Event 08
— Complex - Event 08 CERTIFIED BOOTH OPERATOR/ Truly…
2026-04-24 General Construction
Source type: Complex - Event 08
— Complex - Event 08 PRAPANAT CRAWFORD
2026-04-16 Interior Renovation
Source type: Building/Residential Building/Addition-Improvement
6510 242ND AVE NE CONVERTING LAUNDRY ROOM TO BATHROOM —
2026-04-15 Roofing
Source type: Building/Residential Building/Addition-Improvement
21424 NE 146TH PL THIS PROJECT IS BACK PATIO ROOF REMODEL, NO NEW IMPERVIOUS SURFACE YOTAM LUBELCHIK
📞 (•••) •••-••••
2026-04-12 General Construction
Source type: Moderate - Event 11
— Moderate - Event 11 Cha Boran LLC
2026-04-08 Interior Renovation
Source type: Building/Residential Building/Addition-Improvement
10431 320TH AVE NE INTERIOR REMODEL OF THE EXISTING SINGLE FAMILY RESIDENCE AND CONVERTING THE EXIS… —
2026-04-07 General Construction
Source type: Complex - Event 16+
— Complex - Event 16+ CUTE DUMPLINGS
2026-04-02 General Construction
Source type: Complex - Event 04
305 Harrison St Seattle 98109 Complex - Event 04 L. BEE'S FILIPINO DELI
2026-03-26 General Construction
Source type: Building/Residential Site/NA/NA
2535 291ST AVE NE REVISION TO SITE PLAN STATING TOTAL ESTIMATED TREE REMOVAL IS 10,000 BOARD FEET.… —
2026-03-24 Plumbing
Source type: 05a. Plumbing (by Contractor) - Large Commercial with Plan Review*
2254 7TH AVE Seattle WA 98121 Plumbing Large Commercial 5A Silver 2 Gold Plumbing LLC
2026-03-19 General Construction
Source type: Complex - Event 08
— Complex - Event 08 Sully Eats
2026-03-13 Addition
Source type: Building/Addition-Improvement/Tenant/NA
19401 NE 133RD ST RECONSTRUCTING EXISTING RESTROOMS AND LAUNDRY ROOM TO EXISTING FIRE STATION - AD… —
2026-03-13 General Construction
Source type: Moderate - Event 02
— Moderate - Event 02 VITALIY USTEMCHUK
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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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