Calculator · Towns · New Canaan

Fairfield County · 4 of 23 in the county

New Canaan property tax

FY2026 mill rate 16.691. Real property is assessed at 70% of fair market value. Statewide rank: 13 of 169 (lowest mill rate is 1).

Mill rate

16.691

$1 per $1,000 assessed

Effective rate

1.17%

Tax ÷ market value

Tax on $1.6M

$18,693.92

$1,557.83 / month

MV mill rate

16.691

Secondary; cap 32.46

Buying in New Canaan? A lender PITI estimate should include about $1,557.83/mo of property tax.

Example taxes in New Canaan

Market valueAssessed (70%)Annual taxMonthly
$500,000.00 $350,000.00 $5,841.85 $486.82
$1,000,000.00 $700,000.00 $11,683.70 $973.64
$1,600,000.00 $1,120,000.00 $18,693.92 $1,557.83
$2,500,000.00 $1,750,000.00 $29,209.25 $2,434.10

Compared with nearby towns

Same $1,600,000 house in New Canaan, Wilton and Darien. Open the live calculator to change the price.

Head-to-head at $1.6M: New Canaan vs Wilton · New Canaan vs Darien

On $1.6MNew CanaanWiltonDarien
Mill rate 16.69124.405415.48
Annual tax $18,693.92$27,334.05$17,337.60
Monthly $1,557.83$2,277.84$1,444.80
Vs. lowest +$1,356.32 / yr+$9,996.45 / yrLowest

Formula

annual tax = (fair market value × 0.70 × 16.691) ÷ 1,000

For a $1,000,000 home in New Canaan that is $11,683.70 per year before exemptions and special districts.

Confirm with the New Canaan assessor.

Fire districts and other special taxing districts can add mills on top of this municipal rate. Exemptions are not applied here. Think the assessment is too high? See how to appeal a CT property assessment.