Whatcom County

Parcel & Property Data

114,614Total Parcels

$418,002Avg. Market Value

495,374Total Acres

About This Data

LandBrief holds 114,614 parcel records for Whatcom County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data from the Whatcom County assessor roll dated August 2022, loaded August 2026. See data sources for every county’s vintage.

Explore Whatcom County

Largest parcelsThe biggest individual tracts in the county, ranked by size.

Whatcom County by the Numbers

Median parcel size: 0.24 acres
measured from mapped boundaries
90th-percentile parcel: 5.7 acres
County land area: 1,349,087 acres
U.S. Census measurement
Communities: 24
0.3% of parcels outside any incorporated place
Median assessed value: $338,906
96% of parcels carry a value

Who Owns Whatcom County?

Share of the county’s 114,614 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner type	Share of parcels
Other / unclassified	100.0%

Parcel Records (~114,614 total)

Showper page

Parcel ID	Owner	Address	City	Acreage	Market Value
3906330102650000	118688	—	Deming	2265.99	$84,975
3706183463740000	77280	—	Deming	1292.06	$145,486
3806351983340000	79928	—	Mount Baker	1280.00	$96,000
3806121983330000	79928	—	Mount Baker	1280.00	$96,000
3705241304000000	558398	—	Deming	1132.58	$143,742
3806342004000000	77280	—	Deming	1074.27	$10,980
3706195054960000	581654	—	Deming	1018.57	$107,712
3706302692620000	116922	—	Sedro Woolley	999.99	$526,800
3802103211220000	89437	—	Bellingham	841.82	$62,214,227
3705264044800000	77280	—	Deming	835.45	$111,958

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All 114,614 parcels in Whatcom County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

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Frequently Asked Questions

How many parcels are in Whatcom County?

The Whatcom County assessor roll on file records 114,614 parcels across 24 communities, with 0.3% lying outside any incorporated place.

What is the typical parcel size in Whatcom County?

Measured from mapped boundaries, the median parcel is 0.24 acres, and nine parcels in ten are under 5.7 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How current is this data?

It comes from the Whatcom County assessor roll dated August 2022. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.