2121 Thomaston Ave S5, Waterbury — property record card

Industrial built in 1920, 13,923 ft² in Waterbury, appraised at $613,200 (assessed $429,240).

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

Parcel

Location	2121 Thomaston Ave S5, Waterbury CT 67021915
Parcel ID	80070-004509730011
Use	Industrial (state use code 300)
Zone	IG
Planning region	Naugatuck Valley

Valuation — revaluation 2025

Appraised (market value)	$613,200 land $279,100 · building $334,100
Assessed (70%)	$429,240 land $195,370

Land

Lot size	3.00 acres (130,680 ft²)

Building

Year built	1920 (effective 1979)
Living area	13,923 ft²
Condition	7

Brownfield inventory

Waterbury Industrial Commons, 2121 Thomaston Avenue & Commons Court — program: NONE

Within about 500 m (a third of a mile): 5 sites of the state brownfield inventory. Brownfields in Waterbury.

What this means

Connecticut taxes property at 70% of its appraised market value: the assessment $429,240 times the town mill rate gives the yearly tax.
Waterbury last revalued in 2025. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.

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 2121 Thomaston Ave S5

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