FORT COLLINS HOUSING INSIDER
How Colorado Property Taxes Actually Work
Property taxes are one of the most misunderstood parts of buying a home in Colorado. Many buyers moving to Fort Collins expect the system to work like it does in other states, but Colorado calculates property taxes very differently.
Understanding how taxes are calculated can make a big difference when estimating the true cost of owning a home.
Step 1: Market Value vs Assessed Value
In Colorado, property taxes are not calculated directly from a home's market value. Instead, taxes are based on the property's assessed value.
For residential properties, the state sets an assessment rate that determines what percentage of the home’s value is taxable. As of 2026, the residential assessment rate is about 6.7 percent.
For example:
Home market value: $600,000
Assessed value (6.7%): about $40,200
This assessed value is what local governments use to calculate the tax bill.
Step 2: Mill Levies
Once the assessed value is determined, local governments apply a tax rate called a mill levy.
A mill equals $1 in tax for every $1,000 of assessed value.
The total mill levy for a property is made up of several local taxing authorities, including:
Larimer County
City of Fort Collins
Local school districts
Special districts such as fire or water services
In much of Fort Collins, the combined mill levy typically falls around the mid-70s to mid-80s depending on the exact location.
Using the previous example:
Assessed value: about $40,200
Mill levy: roughly 80 mills
Estimated annual property tax: about $3,200
Actual tax bills can vary depending on the property’s location and local districts.
Reassessments Happen Every Two Years
Colorado reassesses residential property values every two years based on recent home sales. County assessors determine the new values using comparable sales from an 18-month period leading up to the reassessment.
If home values rise significantly, property tax bills may increase as well.
Why Colorado Taxes Are Lower Than Many States
Because taxes are calculated from a small portion of the home’s value, Colorado’s effective property tax rates are generally lower than many other states.
In many parts of Colorado, property taxes fall around 0.5 percent of a home’s market value annually. States like Texas, Illinois, and New Jersey often exceed 2 percent.
For buyers relocating to Fort Collins, this difference can significantly impact overall housing costs.
What Buyers Should Watch For
While Colorado’s system can result in lower property taxes, there are still factors buyers should pay attention to.
Homes located in special districts may have additional mill levies.
Future reassessments can increase taxes if property values rise.
Local ballot measures can change tax rates over time.
Understanding these factors helps buyers estimate the true long-term cost of owning a home in Fort Collins.
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