Whatcom County Building Permits & Property Data

Heads up: The current Whatcom County records do not yet meet PermitGrab's source-published contractor coverage threshold. This page focuses on permit records and property data; market-level contractor data coverage isn't available for this listing.

1,521 indexed permits · Whatcom County, Washington.

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Whatcom County building permits — key stats
Newest permit 2026-11-04

PermitGrab tracks 1,521 building permits in Whatcom County, WA as of 2026-11-04.

✓ 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. The current records do not meet the source-published contractor-coverage threshold. This page focuses on the permit and property signals it does publish. 14-day Pro trial below — choose your market first, then card required at checkout · cancel anytime before day 14.

Filter Whatcom County permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

Free weekly permit summary for Whatcom County

One email a week with the newest Whatcom County building permits — addresses, project details, and property activity where available. 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.

1,521
Indexed Permits
2026-11-05
Last Updated
Source date: 2026-11-04

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

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Published permit & code records

Permit data through 2026-11-04

1,521 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
2026-10-20 Plumbing
Source type: Plumbing (Residential) - Replacement
4820 COLUMBUS AVE Bellingham WA 98229 Replace tankless Like for Like tankless replacement —
2026-10-20 HVAC
Source type: Mechanical (Residential) - Replacement
781 SUMERSET WAY Sedro Woolley WA 98284 REPLACE EXISTING FURNACE - LIKE FOR LIKE furnace like for like replacement HVAC changeout —
2026-10-20 Addition
Source type: Building (Residential) - SFR - Addition
7477 GLACIER SPRINGS DR Glacier WA 98244 Addition, Mud room and dining room addition New Living-629sf New Total Fire Flow… —
2026-10-20 New Construction
Source type: Building (Commercial) - New
4139 MITCHELL WAY Bellingham WA 98226 Shuksan (Lease Area 67) - Proposed T-Hangars - 15 Individual Hangar Stalls IIB S… 18,213 sf commercial —
2026-10-20 HVAC
Source type: Mechanical (Residential) - Replacement
5660 BELL CREEK RD Deming WA 98244 Replacing furnace like for like furnace like for like replacement HVAC changeout —
2026-10-20 HVAC
Source type: Mechanical (Residential) - Replacement
2703 WILLEYS LAKE RD Custer WA 98240 REPLACE EXISTING SINGLE ZONE DUCTLESS HEAT PUMP heat pump replacement HVAC replacement —
2026-10-20 HVAC
Source type: Mechanical (Residential) - Replacement
1937 N COLBY CT Bellingham WA 98229 Replace Boiler Like for Like like for like replacement HVAC changeout —
2026-10-20 HVAC
Source type: Mechanical (Residential) - Replacement
8171 QUINAULT RD Blaine WA 98230 Gas furnace changeout furnace replacement HVAC changeout —
2026-10-20 HVAC
Source type: Mechanical (Residential) - Replacement
1908 ZELL RD Ferndale WA 98248 Worth Residence furnace changeout furnace replacement HVAC changeout —
2026-10-20 New Construction
Source type: Building (Residential) - Detached - New Construction
4672 BIRCH BAY LYNDEN RD Unit: 158 Blaine WA 98230 Replace Existing main entry deck - Unit 158 - Uncov Porch/Deck-48sf residential —
2026-10-19 HVAC
Source type: Mechanical (Residential) - Replacement
2607 E HEMMI RD Bellingham WA 98226 18k Ductless Minisplit one-to one in main living area. mini-split replacement HVAC replacement —
2026-10-19 New Construction
Source type: Mobile/Manufactured Home Structure - Manufactured Home
4672 BIRCH BAY LYNDEN RD Unit: 79 Blaine WA 98230 Replace existing mobile home (fire damage) - New mobile home, space 79. 23'6"x48… 1,128 sf 2 beds —
2026-10-19 Interior Renovation
Source type: Building (Residential) - Detached - Alteration/Remodel/Repair
2570 LAKE WHATCOM BLVD Bellingham WA 98229 New float onto existing residential dock Ramp-30sf Float-120sf Piles-4 —
2026-10-19 New Construction
Source type: Building (Residential) - Detached - New Construction
2465 ISLAND VIEW LN Lummi Island WA 98262 New 146 SF detached office. 1/2 Bath. 146 sf residential New construction —
2026-10-19 Addition
Source type: Building (Residential) - Detached - Addition
4791 EVERSON GOSHEN RD Bellingham WA 98226 Remove temporary carport & replace with lean-to addition to existing detached ga… —
2026-10-19 HVAC
Source type: Mechanical (Residential) - Replacement
383 E LAUREL RD Bellingham WA 98226 INSTALL SINGLE ZONE DUCTLESS HEAT PUMP heat pump replacement HVAC replacement —
2026-10-19 Fire Protection
Source type: Fire Operational - Burn - Residential
— Residential burn - Blackberries and brush —
2026-10-19 HVAC
Source type: Mechanical (Residential) - Replacement
3858 CINDY LN Bellingham WA 98226 Replacing furnace like for like furnace like for like replacement HVAC changeout —
2026-10-19 Plumbing
Source type: Plumbing (Residential) - Replacement
5660 TEAMOUSEY LN Deming WA 98244 Replace LP water tank like for like NOT ISSUABLE, MOBILE HOME replacement —
2026-10-19 Demolition
Source type: Building (Commercial) - Alteration/Tenant Improvement
9980 RAILROAD AVE Glacier WA 98244 Demolition - Removal of the former battery (BESS) enclosure containers and assoc… battery Battery storage —
2026-10-19 HVAC
Source type: Mechanical (Residential) - Replacement
8307 NORTH PASS RD Everson WA 98247 REPLACE EXISTING FURNACE - LIKE FOR LIKE furnace like for like replacement HVAC changeout —
2026-10-19 New Construction
Source type: Building (Residential) - Detached - New Construction
2189 NORTHSHORE RD Bellingham WA 98226 New residential dock Ramp-64sf Pier-500sf Gangway-45sf Float-120sf Piles-17 500 sf residential New construction —
2026-10-18 Fire Protection
Source type: Fire Operational - Burn - Residential
6431 OLSON RD Ferndale WA 98248 residential burn - DAYLIGHT HOURS ONLY —
2026-10-17 HVAC
Source type: Mechanical (Residential) - Replacement
4939 FORSBERG RD Blaine WA 98230 Mini split installation mini-split replacement HVAC replacement —
2026-10-16 HVAC
Source type: Mechanical (Residential) - Replacement
8448 MAYFAIR PL Blaine WA 98230 Replacing furnace like for like furnace like for like replacement HVAC changeout —
2026-10-16 HVAC
Source type: Mechanical (Residential) - Replacement
3843 DEL BONITA WAY Bellingham WA 98226 Replacing furnace like for like furnace like for like replacement HVAC changeout —
2026-10-16 Electrical
Source type: Land Fill & Grade - Permit
3568 WALLTINE RD Ferndale WA 98248 New water transmission pipe, power conduit and communications conduit —
2026-10-16 Demolition
Source type: Building (Residential) - SFR - New Construction
13 ELIZA ISLAND WA New, single family residence, demolish existing home, see SHX2024-00094 2 Bed 2 … —
2026-10-16 HVAC
Source type: Mechanical (Residential) - Replacement
720 JORGENSEN PL Bellingham WA 98226 GAS FIREPLACE CHANGEOUT, CONNECTING TO EXISTING GAS replacement HVAC changeout —
2026-10-16 General Construction
Source type: Building - Land Clearing Permit
— Tree Removal —
2026-10-16 HVAC
Source type: Mechanical (Residential) - Replacement
419 CAIN LAKE RD Sedro Woolley WA 98284 LIKE FOR LIKE 50GAL NG HWT CHANGEOUT IN GARAGE like for like replacement HVAC changeout —
2026-10-15 HVAC
Source type: Mechanical (Residential) - Replacement
1231 LATTIMORE RD Ferndale WA 98248 LIKE FOR LIKE 90X90 CHANGEOUT like for like replacement HVAC changeout —
2026-10-15 HVAC
Source type: Mechanical (Residential) - Replacement
7650 BIRCH BAY DR Unit: A8 Blaine WA 98230 Install ductless mini-split heat pump at Powell residence heat pump, mini-split replacement HVAC replacement —
2026-10-15 Fire Protection
Source type: Fire Construction - Residential
3199 STELLER CT Bellingham WA 98226 NFPA 13D Multipurpose Fire Sprinkler system for SFR sprinkler —
2026-10-15 HVAC
Source type: Mechanical (Residential) - Replacement
8081 NORTH PASS RD Everson WA 98247 replace gas furnace and add Heat pump furnace, heat pump replacement HVAC replacement —
2026-10-15 HVAC
Source type: Mechanical (Residential) - Replacement
3704 LAHTI CT Bellingham WA 98226 LIKE IN KIND- 80X90 FURNACE CHANGOEUT IN GARAGE furnace replacement HVAC replacement —
2026-10-15 HVAC
Source type: Mechanical (Residential) - Replacement
4960 E 12TH DR Bellingham WA 98226 INSTALL SHOP UNIT HEATER replacement HVAC replacement —
2026-10-14 HVAC
Source type: Mechanical (Residential) - Replacement
8303 CARL RD Everson WA 98247 Gas furnace changeout - Like for Like furnace like for like replacement HVAC changeout —
2026-10-14 HVAC
Source type: Mechanical (Residential) - Replacement
5382 NOOTKA LOOP Blaine WA 98230 replace/install new gas fireplace replacement HVAC replacement —
2026-10-14 Interior Renovation
Source type: Building (Residential) - SFR - Alteration, Remodel, Repair
22 CREEKSIDE LN Bellingham WA 98229 Bathroom remodel —
2026-10-14 HVAC
Source type: Mechanical (Residential) - Replacement
6566 MT BAKER HWY Deming WA 98244 replacing furnace like for like furnace like for like replacement HVAC changeout —
2026-10-14 New Construction
Source type: Building (Residential) - SFR - New Construction
5386 COASTAL LOOP Blaine WA 98230 New SFR with attached garage. 3 Bed 2 Bath Living-1782sf Garage-602sf Total Fire… 1,782 sf 3 beds residential —
2026-10-14 New Construction
Source type: Building (Residential) - Detached - New Construction
1400 MARIETTA AVE Bellingham WA 98226 Addition to detached shop unfinished-576sf. Scope of project also includes retro… 576 sf residential —
2026-10-14 General Construction
Source type: Encroachment
4090 WYNN RD Bellingham WA 98225 Qwest-CMS 003912; Install approx. 130' cable service under Country Ln and down s… —
2026-10-14 Fire Protection
Source type: Fire Construction - Residential
4781 LOST CREEK LN Bellingham WA 98229 Residential Sprinkler System for SFR2025-00101 sprinkler —
2026-10-13 Plumbing
Source type: Plumbing (Residential) - Replacement
61 WINDWARD DR Bellingham WA 98229 Replace Hot Water Tank, Tank with Tankless tankless replacement —
2026-10-13 Signage
Source type: Encroachment
1185 CLARKSON LN Ferndale WA 98248 PSE-POTELCO - 101195564 - 1185 CLARKSON LN; BORE APPROXIMATELY 1,140 FT WITHIN R… —
2026-10-13 General Construction
Source type: Encroachment
1594 W BADGER RD Custer WA 98240 PLACE NEW POLES, TRANSFER AERIAL ATTACHMENTS AND REMOVE OLD POLES. —
2026-10-13 Plumbing
Source type: Plumbing (Residential) - Replacement
1185 ROY RD Bellingham WA 98229 THIS IS FOR CAMP LUTHERWOOD- THE DOCKSIDE BATHHOUSE-REPLACING THE HOT WATER TANK… replacement —
2026-10-13 New Construction
Source type: Mobile/Manufactured Home Structure - Manufactured Home
6262 NORTH STAR RD Ferndale WA 98248 new, manufactured home 4 Bed 1 Bath 1512sf 1,512 sf 4 beds —
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Permit Types in Whatcom County
Construction Activity in Whatcom County

New building permits in Whatcom County, Washington show where construction activity is occurring. Filter the public records by trade, date, address, and project value to research active projects and property activity. Contractor lead coverage is not currently available for this listing.

About Whatcom County Building Permits

Whatcom County, Washington processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 1,521+ Whatcom County building permits — newest permit date: 2026-11-04 from this listing's source.

Each record can show the project address, scope, permit type, and value where the city publishes them. The source-published contractor records do not meet the coverage threshold for this city. PermitGrab does not represent this as contractor-contact coverage. Where property-owner records are available, they are matched to permit addresses separately.

How to use Whatcom County permit data

Filter the current records by trade, date, address, or project value to research construction activity. The most useful workflow in this market is verifying the project signal first, then using the property data that is actually available for that address.

PermitGrab methodology · Page data current as of · Source: Public permit portal.

Who appears in Whatcom County permit records?

PermitGrab indexes 1,521 building permits in Whatcom County. New records appear as they are available from the source.

How fresh is Whatcom County permit data?

The most recent permit indexed for Whatcom County is dated 2026-11-04. Newest permit date: 2026-11-04. 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 Whatcom County permit records?

Whatcom County permit activity covers 1,521 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.

How to look up Whatcom County building permits

Search recent Whatcom County, WA building permits by address, and permit type in the table above — pulled from the Whatcom 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, see the Whatcom County Permit Pulse.

Nearby Washington Cities — explore building permits in other Washington cities

Monitor Whatcom County permit & property activity

Email alerts when new public records are available for new permits and property activity. Source-published contractor coverage is not currently available for this city. Owner information is shown only where it can be matched from available public records.

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Frequently Asked Questions about Whatcom County Building Permits

How many building permits does PermitGrab track in Whatcom County?

PermitGrab currently tracks 1,521 building permits in Whatcom 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 Whatcom 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 Whatcom County?

Contractors can research Whatcom County activity by filtering current permits by trade, location, and project type. Source-published contractor coverage is not currently available for this city. Property information is shown only where public records can be matched.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to Whatcom County — CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. Source-published contractor coverage is not currently available for this city. Property information is available only where public records can be matched. 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?

Whatcom County permit data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

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 Whatcom County provide project context for solar-market research. Filter by the current project signal and verify ownership separately.
Insurance agents
Whatcom 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.
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