Connecticut property tax appeal guide
AppealTax can help review your assessment, identify errors, organize comparable sales, and prepare a clearer challenge before the local appeal window closes.
Start by checking your Notice of Valuation and gathering your county property record.
Connecticut County Guides
Select your county or county-equivalent below for local property tax appeal guidance, basic deadline context, assessment-review steps, and residential tax-bill benchmarks.
Statewide Residential Benchmark
A broad statewide benchmark for Connecticut is an effective property tax rate of about 1.63% of home value. On a $400,000 residential property, that equals about $6,520 per year. This is a statewide comparison point, not a guarantee of what any parcel will owe.
Basic statewide deadlines
Connecticut appeal windows move fast
Connecticut Board of Assessment Appeals applications are commonly due by February 20 after the October 1 assessment date.
Start by checking your Notice of Valuation and gathering your county property record.
Then confirm the current year’s instructions with your county assessor, local board, municipality, or state tax authority, especially if a deadline falls on a weekend or legal holiday.
Common questions
When is the Connecticut property tax appeal deadline?
Connecticut Board of Assessment Appeals applications are commonly due by February 20 after the October 1 assessment date. Confirm the exact current-year deadline with your local assessing office.
What should I gather first?
Gather your assessment notice, property record card, tax bill, exemption information, photos, repair estimates, and comparable sales.
Can AppealTax help with a Connecticut assessment review?
AppealTax can help review your assessment, identify errors, organize comparable sales, and prepare a clearer challenge before the appeal window closes.