Boulder Property Tax Quick Facts
- Location
- Boulder, Wyoming
- Sublette County
- Assessed By
- the Sublette County assessor
How to Appeal Property Taxes in Boulder
Check your assessment
Enter your Boulder address for a free 60-second check. We compare your assessed value against comparable sales and neighborhood data.
Get your evidence packet
If over-assessed, pay $45 for a complete appeal packet with comparable sales, equity analysis, and pre-filled forms for Sublette County.
File your appeal
Submit your appeal to Sublette County. Our filing guide walks you through every step.
About the Boulder Property Market
Boulder is a city located in Sublette County, Wyoming. Every property inside the Boulder city limits is assessed by the Sublette County assessor, which applies Wyoming property tax rules uniformly across the county.
Because Boulder property values are set at the county level, the same assessment rules apply to homes throughout the city. Homeowners who believe their Boulder home is over-assessed have the right to file a appeal directly with Sublette County.
Wyoming allows the assessor to defend or adjust the assessed value during a appeal, so Boulder homeowners should build a strong evidence-based case before filing — which is exactly what ProtestMax generates for $45.
Boulder Property Market Context
The property tax picture in Boulder is shaped as much by Wyoming statewide policy as by anything unique to a city.
Wyoming market character
Wyoming has no state income tax, and residential property is assessed at 9.5% of fair market value. Effective rates are low at around 0.6%, but recent growth in Teton, Laramie, and Natrona counties has produced assessment pressure on high-value homes.
How Wyoming handles appeals
Wyoming homeowners protest to the County Board of Equalization, then the State Board of Equalization, then District Court. The process is clear and the state is procedurally fair.
When to file in Boulder
Protests must be filed within 30 days of the assessment notice, which typically mails in April.
Common Boulder Property Types
Boulder homeowners typically file protests across these property categories:
Single-family homes
The most common residential type and the dominant protest category.
Condominiums
Common in denser parts of the city and near employment centers.
Townhouses
Attached-home neighborhoods in newer subdivisions.
Small multi-family
Duplexes and 2-4 unit buildings assessed as income property.
Commercial
Retail, office, and small commercial along major corridors.
ProtestMax supports all of the above property types in Boulder. Each appealpacket is tailored to the property's classification and uses comparable sales from Boulder and surrounding Sublette County neighborhoods.