What is the sales tax in Longmont city? - The sales tax in Longmont city of Colorado is 9.185% as of 2025. Use the Longmont sales tax calculator to calculate the sales tax for any purchase in Longmont.
Longmont Sales Tax Calculator |
|
| Amount: | $ |
| Sales Tax: | % |
| Before Tax Price | |
|---|---|
| Sales Tax | |
| Final Price | |
Sales Tax By Zip Code | |
| Zip Code | |
|---|---|
Below is a list of the state sales tax, city sales tax, and county tax rate for Longmont.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Boulder | Colorado | Longmont | 80503 | 2.9% | 4% | 1.185% | 9.185% |