Larimer County sales tax rate increases starting January 1, 2026
The change raises the combined state, county, and local sales tax rate for transactions at addresses within the county, including cities such as Fort Collins.
Written by Alex Lamachenka
Head of DemandGen
Published
Key points
- Larimer County is increasing its county sales tax rate starting January 1, 2026. [1]
- The county rate change increases the combined sales tax rate at affected addresses.
- Cities within Larimer County, including Fort Collins, will reflect the higher combined rate.
What’s changing
- New Larimer County rate:
0.8%→ 1.05% - Effective date: January 1, 2026
Example: impact on Fort Collins
As a result of the Larimer County rate increase, the combined sales tax rate for transactions within Fort Collins city limits will be 8.30%, based on the following components:
- State of Colorado: 2.90%
- Larimer County: 1.05%
- City of Fort Collins: 4.35%
Other locations within Larimer County may also see changes to their combined rates depending on applicable local taxes.
Who this affects
- Retailers with physical locations in Larimer County
- Remote sellers shipping taxable goods to Larimer County addresses
- Ecommerce businesses collecting Colorado destination-based sales tax
- Accounting teams managing Colorado sales tax reporting
If you use TaxCloud
TaxCloud automatically updates its sales tax calculation engine for county and city rate changes, including Larimer County updates and their downstream impact on cities like Fort Collins, so sellers do not need to adjust rates manually.
Next steps for sellers
- Calculation: Apply the updated Larimer County rate to taxable transactions beginning January 1, 2026.
- Review: Confirm point-of-sale and ecommerce systems reflect the updated combined rates at the address level.
- Reporting: Ensure January 2026 transactions are reported using the correct combined rates on applicable sales tax returns.
Official sources:
- 1.
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2.
Colorado Sales Tax Lookup Source link
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3.
Sales and Use Tax Simplification (SUTS) Lookup Tool Source link
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