18 Elm St (mystic), Groton — property record card

Single family built in 1887, 3 bed, 1.5 bath, 1,459 ft² in Groton, appraised at $466,700 (assessed $326,690); last sold for $850,000 on June 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 Groton assessor’s office.

Parcel

Location	18 Elm St (mystic), Groton CT 06355
Parcel ID	261918218083
CAMA account	34250-261918218083
Use	Single family (state use code 101)
Zone	RS-12
Planning region	Southeastern Connecticut

Valuation — revaluation 2021

Appraised (market value)	$466,700 land $203,100 · building $263,600
Assessed (70%)	$326,690 land $142,170

Building

Year built	1887
Living area	1,459 ft²
Rooms	8
Bedrooms	3
Bathrooms	1 full, 1 half

Sales

Last sale	$850,000 — June 10, 2025

What this means

Connecticut taxes property at 70% of its appraised market value: the assessment $326,690 times the town mill rate gives the yearly tax.
Groton last revalued in 2021. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
Assessed 48% above the median for this use in Groton ($221,410, 7,274 parcels).
The last sale price is 82% 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 18 Elm St (mystic)

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