Lone Tree, Colorado sales tax rate: 7.5%
Last updated Checked monthly
The sales tax rate in Lone Tree, Colorado is 7.5%. That’s the 2.9% state rate plus 4.6% in local taxes. It’s higher than 50 of the 114 Colorado cities we checked, and 1 other city pays the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Lone Tree combined rate
7.5%
- Colorado state
- 2.9%
- Douglas CountyCounty
- 1%
- Lone TreeCity
- 2.5%
- Scientific And Cultural Facilities DistrictSpecial district
- 0.1%
- Regional Transportation DistrictSpecial district
- 1%
Lone Tree sales tax calculator
Enter a price and what you’re selling.
- ColoradoState · 2.9%$2.90
- Douglas CountyCounty · 1%$1.00
- Lone Tree CityCity · 2.5%$2.50
- Scientific And Cultural Facilities DistrictSpecial district · 0.1%$0.10
- Regional Transportation DistrictSpecial district · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoLone Tree sales tax rate breakdown
State, county, city and special district taxes add up to 7.5%. District lines don’t follow city limits, so some Lone Tree addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Colorado | State | 2.9% |
| Douglas County | County | 1% |
| Lone Tree City | City | 2.5% |
| Scientific And Cultural Facilities District | Special district | 0.1% |
| Regional Transportation District | Special district | 1% |
| Combined rate | 7.5% |
Rate history
- July 20237.8125%
- July 20247.5%
- July 20257.5%
- July 20267.5%
- Today7.5%
Changed since July 2023.
Sales tax near Lone Tree
Closest cities
- Centennial4 mi6.75%
- Foxfield6 mi8%
- Greenwood Village6 mi7.25%
- Englewood10 mi8.05%
- Castle Rock11 mi8.1%
- Aurora15 mi8%
- Denver16 mi9.15%
- Lakewood18 mi7.93%
Elsewhere in Douglas County
- Castle Rock8.1%
Charge the right rate in Lone Tree, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Colorado return for you, with a sales tax team you can call.
Lone Tree sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Lone Tree, Colorado?
The combined sales tax rate in Lone Tree is 7.5% as of November 2, 2026. It’s made up of 2.9% Colorado state tax, 1% Douglas County, 2.5% Lone Tree City, 0.1% Scientific And Cultural Facilities District, 1% Regional Transportation District.
Why does Lone Tree pay Scientific And Cultural Facilities District and Regional Transportation District tax?
Special districts such as Scientific And Cultural Facilities District and Regional Transportation District levy their own sales tax on top of the state, county and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for Lone Tree’s 80124 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Lone Tree?
Partly. Colorado taxes 20% of the price of software as a service, so the effective rate in Lone Tree is 2.5%.
Do online sellers have to collect sales tax in Lone Tree?
Yes, if they have nexus in Colorado: more than $100,000 in Colorado sales in the previous or current calendar year, or a physical presence in the state. They register with the Colorado Department of Revenue and charge the rate at the buyer’s address.
Sources. Colorado Department of Revenue · Zamp Sales Tax API, for Lone Tree’s 80124 ZIP code. Rates are checked monthly and are for information, not tax advice.
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