Somerset, CO Sales Tax Rate
The combined sales tax rate in Somerset, Colorado is 3.9% (2.9% state and 1% county). Calculate the sales tax on any purchase in Somerset. Rates effective July 2026.
- State tax
- 2.9%
- County tax (Gunnison)
- 1%
- City tax (Somerset)
- 0%
- Special district tax
- 0%
- Combined rate
- 3.9%