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Starting October 1: Some business services are now subject to retail sales tax, as required by state law, ESSB 5814. When you buy these services, vendors should add sales tax to your bill. If you sell these services, you should begin collecting retail sales tax. Learn more about Services newly subject to retail sales tax.
Business tax basics workshops
Attend a free tax workshop to learn about your tax reporting responsibilities. We will discuss tax classifications, deductions, sales tax collection, and recordkeeping requirements. You'll also have the opportunity to ask questions about taxes that apply specifically to your business.
If you're not able to attend a workshop but would still like to learn about tax basics, try these resources:
If you need accommodations in order to attend a workshop, please email tpseducationoutreach@dor.wa.gov or call (360) 704-5683.
2025
| Date & time | Location | Registration link |
|---|---|---|
| November 4, 2025 Tuesday 9:00 a.m. - 12:00 p.m. |
City of Cashmere 101 Woodring St Cashmere, WA 98815 |
Register for the November 4 workshop. |
| November 6, 2025 Thursday 1:00 p.m. - 4:00 p.m. |
Department of Revenue 12100 NE 195th St, Suite 100 Bothell, WA 98014 |
Register for the November 6 workshop. |
| November 6, 2025 Thursday 11:00 a.m. - 12:00 p.m. |
Webinar | Register for the November 6 webinar. |
| 6 de noviembre de 2025 Jueves 9:00 a.m. a 10:15 a.m. |
Seminario web en español | Regístrese para el taller del 6 de noviembre. |
| November 12, 2025 Wednesday 10:00 a.m. - 12:00 p.m. |
Department of Revenue 6400 Linderson Way SW Tumwater, WA 98501 |
Register for the November 12 workshop. |
| November 18, 2025 10:00 a.m. - 12:00 p.m. |
Combo Webinar includes My DOR How to File |
Register for the November 18 workshop. |
| November 19, 2025 Wednesday 2:00 p.m. - 4:30 p.m. |
Department of Revenue Cascade East Bldg 20819 72nd Ave South, Suite 680 Kent, WA 98032 |
Register for the November 19 workshop. |
| November 19, 2025 Wednesday 2:00 p.m. - 3:00 p.m. |
Webinar | Register for the November 19 webinar. |
| December 4, 2025 Thursday 10:00 a.m. - 11:00 a.m. |
Webinar | Register for the December 4 webinar. |
| 4 de diciembre de 2025 Jueves 2:00 p.m. a 3:15 p.m. |
Seminario web en español | Regístrese para el taller del 4 de diciembre. |
| December 16, 2025 Tuesday 9:00 a.m. - 10:00 a.m. |
Webinar | Register for the December 16 webinar. |
| December 17, 2025 Wednesday 10:00 a.m. - 12:00 p.m. |
Combo Webinar includes My DOR How to File |
Register for the December 17 webinar. |
| December 18, 2025 Thursday 1:00 p.m. - 3:00 p.m. |
Department of Revenue 3315 S 23rd St, Suite 217 Tacoma, WA 98405 |
Register for the December 18 workshop. |
2026
| Date & time | Location | Registration link |
|---|---|---|
| January 6, 2026 Tuesday 10:00 a.m. - 11:00 a.m. |
Webinar | Register for the January 6 webinar. |
| 7 de enero de 2026 Miércoles 10:30 a.m. a 11:45 a.m. |
Seminario web en español | Regístrese para el taller del 7 de enero. |
| January 15, 2026 Thursday 11:00 - 12:00 p.m. |
Webinar | Register for the January 15 webinar. |
| January 27, 2026 Tuesday 10:00 a.m. - 12:00 p.m. |
Combo Webinar includes My DOR How to File |
Register for the January 27 webinar. |