276 Mansfield Avenue, Darien — property record card

Single family built in 2003, 6 bed, 4.5 bath, 8,972 ft² in Darien, appraised at $5,074,300 (assessed $3,552,010); last sold for $4,800,000 on July 10, 2025.

Rebuilt from the public Connecticut CAMA and Parcel Layer — not the official card. For the official card, with owner, photo and sketch, ask the Darien assessor’s office.

Parcel

Location	276 Mansfield Avenue, Darien CT 06820
Parcel ID	05-043-00
CAMA account	18850-09671
Use	Single family (state use code 101)
Zone	R2
Planning region	Western Connecticut

Valuation — revaluation 2023

Appraised (market value)	$5,074,300 land $774,000 · building $4,300,300
Assessed (70%)	$3,552,010 land $541,800

Land

Lot size	1.00 acres (43,560 ft²)

Building

Year built	2003
Living area	8,972 ft²
Rooms	12
Bedrooms	6
Bathrooms	4 full, 2 half
Condition	AV

Sales

Last sale	$4,800,000 — July 10, 2025

What this means

Connecticut taxes property at 70% of its appraised market value: the assessment $3,552,010 times the town mill rate gives the yearly tax.
Darien last revalued in 2023. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
Assessed 192% above the median for this use in Darien ($1,216,880, 6,138 parcels).
The last sale price is 5% below the appraisal.

Point at the centre of the parcel — not a survey.

Data: Connecticut CAMA and Parcel Layer (2026 collection, CC0), retrieved October 31, 2026. Sources and freshness. No owner names are published.

First page of a sample Connecticut Property Report

The report for 276 Mansfield Avenue

This card shows what the assessor records. The report adds what lies around the parcel: FEMA flood zone, wetlands and watercourses, aquifer protection area, Natural Diversity Database areas, brownfields nearby and sewer service.

$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)

Order the report