Frequently asked questions — Greenwich property tax
- What is the mill rate in Greenwich, CT?
- Greenwich (Fairfield County) has a mill rate of 12.04 mills for fiscal year 2026, per Connecticut Open Data.
- How much is property tax on a $300,000 assessment in Greenwich?
- At 12.04 mills, annual property tax is approximately $3,612.00 ($301.00 per month) on a $300,000 assessed value.
- How is Connecticut property tax calculated?
- Multiply your assessed value by the local mill rate and divide by 1,000. One mill equals $1 of tax per $1,000 of assessed value.
How Connecticut property tax works
Property tax in Connecticut is calculated by multiplying your assessed value by the local mill rate and dividing by 1,000. One mill equals $1 of tax per $1,000 of assessed value.
Most Connecticut residential property is assessed at 70% of fair market value. Use your assessment notice for the most accurate input.