312 Whalley Av, New Haven — property record card

GAS MART built in 2009, 600 ft² in New Haven, appraised at $565,900 (assessed $396,130); last sold for $550,000 on May 8, 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 New Haven assessor’s office.

Parcel

Location	312 Whalley Av, New Haven CT 06511
Parcel ID	20664
CAMA account	52070-20664
Use	GAS MART (state use code 3250)
Zone	WCGD
Planning region	South Central Connecticut

Valuation — revaluation 2021

Appraised (market value)	$565,900 land $307,300 · building $121,800 · outbuildings $136,800
Assessed (70%)	$396,130 land $215,110

Building

Year built	2009 (effective 2014)
Living area	600 ft²
Condition	average

Sales

Last sale	$550,000 — May 8, 2025

Within about 500 m (a third of a mile): 2 sites of the state brownfield inventory. Brownfields in New Haven.

What this means

Connecticut taxes property at 70% of its appraised market value: the assessment $396,130 times the town mill rate gives the yearly tax.
New Haven last revalued in 2021. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
The last sale price is 3% 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 312 Whalley Av

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