20 Thayer Rd Ext, Haddam — property record card

Residential built in 1976, 3 bed, 2 bath, 1,568 ft² in Haddam, appraised at $460,900 (assessed $322,630); last sold for $493,000 on July 1, 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 Haddam assessor’s office.

Parcel

Location	20 Thayer Rd Ext, Haddam CT 64381197
Parcel ID	T0667200
CAMA account	35230-T0667200
Use	Residential (state use code 100)
Zone	R-1
Planning region	Lower Connecticut River Valley

Valuation — revaluation 2026

Appraised (market value)	$460,900 land $80,100 · building $380,800
Assessed (70%)	$322,630 land $56,070

Land

Lot size	1.00 acres (43,560 ft²)

Building

Year built	1976 (effective 2011)
Living area	1,568 ft²
Rooms	5
Bedrooms	3
Bathrooms	2 full
Condition	4

Sales

Last sale	$493,000 — July 1, 2025

What this means

Connecticut taxes property at 70% of its appraised market value: the assessment $322,630 times the town mill rate gives the yearly tax.
Haddam last revalued in 2026. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
Assessed 5% above the median for this use in Haddam ($307,160, 3,278 parcels).
The last sale price is 7% above the appraisal.
Built before 1978: lead paint may be present; Connecticut law requires disclosure to a buyer or tenant.

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 20 Thayer Rd Ext

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