Source: Whatcom County Assessor’s annual MDB exports (2005–2025) and Annual Tax Books (2001–2026).
2026 Whatcom County at a Glance
Taxes vs. Incomes: Whatcom County
Whatcom County assessed values and median household income vs. WA State revenue and average income — all indexed to 100 in 2009.
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+77%
Whatcom County property tax revenue grew 77% from 2017 to 2026
($295M → $523M)
— far more than the 1% per-levy statutory cap would suggest.
About Whatcom County Property Tax
Whatcom County property owners paid 77% more in property tax in 2026 than in 2017 — from $295M to $523M countywide. That growth happened across 21+ active levy lines on a typical bill, from the county general fund to school M&O levies to fire district EMS. The 1% statutory cap per levy sounds small, but with dozens of overlapping districts, lid lifts, and voter-approved bonds, real bills compound well above the headline rate. Search any address or parcel ID below to see exactly how your bill breaks down, year by year.
Whatcom County Property Tax — Frequently Asked Questions
Whatcom County property taxes can increase because your assessed value rose, a levy lid lift or bond passed, the county or a district used banked capacity, or new levies were added. Washington’s RCW 84.55 limits regular levies to 1% per year per district — but with 20+ overlapping districts on a typical Whatcom bill, combined increases can be much higher. Search your address above to see every levy on your parcel, year by year.
Your Whatcom County property tax equals your parcel’s taxable value divided by 1,000, multiplied by the consolidated levy rate for your Tax Code Area (TCA). The rate is the sum of all individual levies — state school, county general, city/town, school M&O, fire district, EMS, library, port, and any voter-approved bonds — that apply to your specific location.
Use the search box at the top of this page. Enter your street address (abbreviated: “Dr” not “Drive”, “St” not “Street”) or your Whatcom parcel ID. Real Record shows your 2025 bill broken down by every levy line, plus history back to 2005. Free, no login required.
Whatcom County property taxes are split among many districts: the state, the county general fund, the city or town you live in, K–12 schools, fire and EMS, parks, library, and special districts in your area. Each levy line on your bill funds a specific government service. Click any year row in the search results to see the full per-agency breakdown.
There is no single Whatcom County rate — the consolidated rate varies by Tax Code Area (your specific location within the county). In 2025, consolidated rates in Whatcom typically range from roughly $7 to $15 per $1,000 of assessed value, depending on which city, school district, and special districts cover your parcel. Search your address above to see your exact rate.
Whatcom County property taxes are recalculated every year. Assessed values are updated annually by the Whatcom County Assessor. Individual levy rates also shift each year based on district budgets, voter-approved lid lifts, and statutory limits under RCW 84.55. Your bill can change even if your assessed value stays flat, because rates shift when a levy is added, lifted, or expires.
RCW 84.55 limits each regular levy to 1% annual growth per district — not your total bill. With 20+ active levies on a typical Whatcom County bill, plus exemptions for new construction, banked capacity, and voter-approved lid lifts, combined bills can grow far faster. Whatcom County total property tax revenue grew 77% from 2017 to 2026 ($295M → $523M).
Key Whatcom County Levies
The largest levy lines on a typical Whatcom County property tax bill. Each page shows multi-year revenue history, authorization records, and meeting coverage.
