How do I submit the Tukwila B&O tax return?

Mail the return and applicable schedules to the Tukwila Finance Department at 6200 Southcenter Blvd., Tukwila, WA 98188-2544. If no payment is due, you may email it to tax@tukwilawa.gov.

What schedules are included with the return?

The return includes Schedule A for service income apportionment, Schedule B for deduction details, and Schedule C for the Multiple Activities Tax Credit. Complete applicable schedules and attach them to the return.

What information does the return ask for?

It requests business identification and account details, the reporting period, income and deductions by tax classification, tax calculations, payment information, and a signed statement.

Tukwila, WA · King County

No notary required

2024–2026 Business and Occupation (B&O) Tax Return

Tukwila businesses use this fillable return to report taxable business activity, calculate B&O tax, and provide their business and tax period details.

What this form is

Businesses use this return to report Tukwila business activity and calculate B&O tax for the reporting period. It includes Schedules A, B, and C for applicable service income apportionment, deductions, and multiple activities tax credits. The form asks for business identification, income and deductions by tax classification, tax calculations, payment details, and a signed statement that the information is true and complete.

Who needs it

Businesses subject to Tukwila B&O tax use this return to report their taxable activities for the applicable quarter or annual reporting period.

How to submit it

Mail the return and applicable schedules to the City of Tukwila Finance Department, 6200 Southcenter Blvd., Tukwila, WA 98188-2544. If no payment is due, the form may be emailed to [email protected].

About notarization

This return is signed without a notary; the signer signs and dates the form beneath the statement that the information is true and complete.

How to submit this form

1
Download the Return
Download the fillable 2024–2026 B&O tax return and its schedules.
2
Complete the Return
Enter business and reporting details, report applicable taxable activity and deductions, and calculate tax due.
3
Gather Applicable Schedules
Complete and attach applicable Schedules A, B, and C.
4
Sign and Submit
Sign and date the return, then mail it to the Tukwila Finance Department. If no payment is due, email it to [email protected].

Frequently asked questions

Do I need a notary for the Tukwila B&O tax return?: No. This return has no notary block. The signer signs and dates the form beneath the statement that the information is true and complete.
How do I submit the Tukwila B&O tax return?: Mail the return and applicable schedules to the Tukwila Finance Department at 6200 Southcenter Blvd., Tukwila, WA 98188-2544. If no payment is due, you may email it to [email protected].
What schedules are included with the return?: The return includes Schedule A for service income apportionment, Schedule B for deduction details, and Schedule C for the Multiple Activities Tax Credit. Complete applicable schedules and attach them to the return.
What information does the return ask for?: It requests business identification and account details, the reporting period, income and deductions by tax classification, tax calculations, payment information, and a signed statement.

Need something notarized?

This 2024–2026 Business and Occupation (B&O) Tax Return doesn’t need a notary — but if you have another Tukwila form that does, a commissioned online notary can help.