Mattoon Property Tax Quick Facts
- Location
- Mattoon, Illinois
- Coles County
- Assessed By
- the Coles County assessor
How to Appeal Property Taxes in Mattoon
Check your assessment
Enter your Mattoon 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 Coles County.
File your appeal
Submit your appeal to Coles County. Our filing guide walks you through every step.
About the Mattoon Property Market
Mattoon is a city located in Coles County, Illinois. Every property inside the Mattoon city limits is assessed by the Coles County assessor, which applies Illinois property tax rules uniformly across the county.
Because Mattoon property values are set at the county level, the same assessment rules apply to homes throughout the city. Homeowners who believe their Mattoon home is over-assessed have the right to file a appeal directly with Coles County.
Illinois allows the assessor to defend or adjust the assessed value during a appeal, so Mattoon homeowners should build a strong evidence-based case before filing — which is exactly what ProtestMax generates for $45.
Mattoon Property Market Context
Mattoon homeowners navigate the same Illinois assessment system as every other community in the state, but local market dynamics mean over-assessments here have their own character.
Illinois market character
Illinois has the second-highest effective property tax rate in the country at around 2.1%, and Cook County uses a triennial reassessment cycle with notoriously inconsistent mass appraisals. Chicago-area homeowners often have the strongest protest case of any state.
How Illinois handles appeals
Illinois has multiple appeal levels: Cook County Assessor, Cook County Board of Review, Illinois Property Tax Appeal Board (PTAB), and Circuit Court. There is no risk of an increase from filing, and the multi-step process gives homeowners multiple chances to win.
When to file in Mattoon
Cook County appeal windows rotate by township, each open for roughly 30 days after notice mailing. The Board of Review opens separately. Outside Cook, most counties require appeals 30 days after notice.
Common Mattoon Property Types
Mattoon 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 Mattoon. Each appealpacket is tailored to the property's classification and uses comparable sales from Mattoon and surrounding Coles County neighborhoods.