Colorado land underwriting
Not legal or tax advice
Property tax rules
Rules used: Generic national rules.
Assessment
- Assessment ratio defaults to 100%; enter the county's ratio or assessed value if different.
Source: AcreMath generic national property-tax model (as of 2026-10-12)
Rates
- Generic national rules: annual tax = taxable value × the combined rate you enter (from the county tax bill or rate sheet).
Source: AcreMath generic national property-tax model (as of 2026-10-12)
Exemptions
- No statewide exemption amount is applied. Enter dollar exemptions from the county tax bill.
Source: AcreMath generic national property-tax model (as of 2026-10-12)
Ag/special use
- No state-specific delinquency penalties or special-use rollback are applied.
Source: AcreMath generic national property-tax model (as of 2026-10-12)
Delinquency
- No state-specific delinquency penalties or special-use rollback are applied.
Source: AcreMath generic national property-tax model (as of 2026-10-12)
How it works: methodology.
County registry (64 counties)
Counties and equivalents from the Census 2020 (national_county2020.txt). Start a deal in any county.
- Adams County (08001)
- Alamosa County (08003)
- Arapahoe County (08005)
- Archuleta County (08007)
- Baca County (08009)
- Bent County (08011)
- Boulder County (08013)
- Broomfield County (08014)
- Chaffee County (08015)
- Cheyenne County (08017)
- Clear Creek County (08019)
- Conejos County (08021)
- Costilla County (08023)
- Crowley County (08025)
- Custer County (08027)
- Delta County (08029)
- Denver County (08031)
- Dolores County (08033)
- Douglas County (08035)
- Eagle County (08037)
- El Paso County (08041)
- Elbert County (08039)
- Fremont County (08043)
- Garfield County (08045)
- Gilpin County (08047)
- Grand County (08049)
- Gunnison County (08051)
- Hinsdale County (08053)
- Huerfano County (08055)
- Jackson County (08057)
- Jefferson County (08059)
- Kiowa County (08061)
- Kit Carson County (08063)
- La Plata County (08067)
- Lake County (08065)
- Larimer County (08069)
- Las Animas County (08071)
- Lincoln County (08073)
- Logan County (08075)
- Mesa County (08077)
- Mineral County (08079)
- Moffat County (08081)
- Montezuma County (08083)
- Montrose County (08085)
- Morgan County (08087)
- Otero County (08089)
- Ouray County (08091)
- Park County (08093)
- Phillips County (08095)
- Pitkin County (08097)
- Prowers County (08099)
- Pueblo County (08101)
- Rio Blanco County (08103)
- Rio Grande County (08105)
- Routt County (08107)
- Saguache County (08109)
- San Juan County (08111)
- San Miguel County (08113)
- Sedgwick County (08115)
- Summit County (08117)
- Teller County (08119)
- Washington County (08121)
- Weld County (08123)
- Yuma County (08125)