City rate

Blaine, Washington sales tax rate: 9.1%

Last updated Checked monthly

The sales tax rate in Blaine, Washington is 9.1%. That’s the 6.5% state rate plus 2.6% in local taxes. It’s higher than 64 of the 110 Washington cities we checked, and 5 other cities pay the same.

Calculated by the Sales Tax APIThe same engine Zamp customers use.

Blaine combined rate

9.1%

Washington state
6.5%
Whatcom CountyCounty
1.8%
BlaineCity
0.2%
Whatcom PTBASpecial district
0.6%
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Blaine sales tax calculator

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Delivered to
Blaine, WA 98231City centre
Sales tax$9.10on $100.00 · total $109.10
Taxable9.1% combined rate
  • WashingtonState · 6.5%$6.50
  • Whatcom CountyCounty · 1.8%$1.80
  • Blaine City (Whatcom County)City · 0.2%$0.20
  • Whatcom PTBASpecial district · 0.6%$0.60

General merchandise delivered to Blaine, WA 98231.

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Blaine sales tax rate breakdown

State, county, city and special district taxes add up to 9.1%. District lines don’t follow city limits, so some Blaine addresses pay a different rate.

Blaine sales tax by jurisdiction
JurisdictionTypeRate
State of WashingtonState6.5%
Whatcom CountyCounty1.8%
Blaine City (Whatcom County)City0.2%
Whatcom PTBASpecial district0.6%
Combined rate9.1%

Rate history

  1. July 20238.8%
  2. July 20249%
  3. July 20259%
  4. July 20269.1%
  5. Today9.1%

Changed since July 2023.

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Zamp calculates tax at each customer’s address, special districts included, then files and pays every Washington return for you, with a sales tax team you can call.

Blaine sales tax questions.

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What is the sales tax rate in Blaine, Washington?

The combined sales tax rate in Blaine is 9.1% as of November 2, 2026. It’s made up of 6.5% Washington state tax, 1.8% Whatcom County, 0.2% Blaine City (Whatcom County), 0.6% Whatcom PTBA.

Why does Blaine pay Whatcom PTBA tax?

A special district such as Whatcom PTBA levies its own sales tax on top of the state, county and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for Blaine’s 98231 ZIP code; the calculator prices any exact address.

Is SaaS taxable in Blaine?

Yes, at the full 9.1%.

Do online sellers have to collect sales tax in Blaine?

Yes, if they have nexus in Washington: more than $100,000 in Washington sales in the previous or current calendar year, or a physical presence in the state. They register with the Washington State Department of Revenue and charge the rate at the buyer’s address.

Sources. Washington State Department of Revenue · Zamp Sales Tax API, for Blaine’s 98231 ZIP code. Rates are checked monthly and are for information, not tax advice.

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