Calculator · Compare · Greenwich vs Darien

Fairfield County · $1.6M house · FY2026

Greenwich vs Darien property tax

The same $1,600,000 house. Darien costs about $3,851.68 more per year than Greenwich at official FY2026 mill rates.

Spread on $1.6M

$3,851.68

Darien is higher

Effective rates

0.84%

Greenwich · 1.08% Darien

On a $1,600,000 house

Open the live calculator with Greenwich and Darien preselected, or change the price.

On $1.6M Greenwich Darien
Mill rate 12.041 15.48
Annual tax $13,485.92 $17,337.60
Monthly $1,123.83 $1,444.80
Effective rate 0.84% 1.08%
Spread Lowest +$3,851.68 / yr

Buying in Greenwich or Darien? A lender PITI estimate should include about $1,123.83/mo of property tax in Greenwich, or $1,444.80/mo in Darien.

Formula

Connecticut assesses real property at 70% of fair market value. A mill is $1 of tax per $1,000 assessed.

annual tax = (price × 0.70 × mill rate) ÷ 1,000

Greenwich mill rate 12.041 → $13,485.92/year. Darien mill rate 15.48 → $17,337.60/year.

Estimate only — not tax advice.

Excludes fire and special taxing districts and exemptions. Confirm with each town assessor. See Greenwich and Darien.