Mukilteo, Washington sales tax rate: 10.6%
Last updated Checked monthly
The sales tax rate in Mukilteo, Washington is 10.6%. That’s the 6.5% state rate plus 4.1% in local taxes. It’s higher than 106 of the 110 Washington cities we checked, and 2 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Mukilteo combined rate
10.6%
- Washington state
- 6.5%
- Snohomish CountyCounty
- 1.4%
- MukilteoCity
- 0.1%
- Snohomish PTBASpecial district
- 1.2%
- Sound Transit RTASpecial district
- 1.4%
Mukilteo sales tax calculator
Enter a price and what you’re selling.
- WashingtonState · 6.5%$6.50
- Snohomish CountyCounty · 1.4%$1.40
- Mukilteo City (Snohomish County)City · 0.1%$0.10
- Snohomish PTBASpecial district · 1.2%$1.20
- Sound Transit RTASpecial district · 1.4%$1.40
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoMukilteo sales tax rate breakdown
State, county, city and special district taxes add up to 10.6%. District lines don’t follow city limits, so some Mukilteo addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Washington | State | 6.5% |
| Snohomish County | County | 1.4% |
| Mukilteo City (Snohomish County) | City | 0.1% |
| Snohomish PTBA | Special district | 1.2% |
| Sound Transit RTA | Special district | 1.4% |
| Combined rate | 10.6% |
Rate history
- July 202310.6%
- July 202410.6%
- July 202510.6%
- July 202610.6%
- Today10.6%
No change since July 2023.
Sales tax near Mukilteo
Closest cities
- Mill Creek5 mi10.6%
- Everett6 mi9.9%
- Edmonds7 mi10.7%
- Mountlake Terrace8 mi10.5%
- Woodway10 mi10.6%
- Lake Forest Park11 mi10.4%
- Shoreline11 mi10.5%
- Lake Stevens11 mi9.3%
Elsewhere in Snohomish County
- Everett9.9%
- Marysville9.4%
- Edmonds10.7%
- Lake Stevens9.3%
- Mountlake Terrace10.5%
- Arlington9.3%
- Mill Creek10.6%
- Gold Bar9.1%
- Darrington9.1%
- Woodway10.6%
Charge the right rate in Mukilteo, on every order.
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.
Mukilteo sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Mukilteo, Washington?
The combined sales tax rate in Mukilteo is 10.6% as of November 2, 2026. It’s made up of 6.5% Washington state tax, 1.4% Snohomish County, 0.1% Mukilteo City (Snohomish County), 1.2% Snohomish PTBA, 1.4% Sound Transit RTA.
Why does Mukilteo pay Snohomish PTBA and Sound Transit RTA tax?
Special districts such as Snohomish PTBA and Sound Transit RTA levy their 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 Mukilteo’s 98275 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Mukilteo?
Yes, at the full 10.6%.
Do online sellers have to collect sales tax in Mukilteo?
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 Mukilteo’s 98275 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
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