31 Williams Ave, Stonington — property record card
BANK BLDG built in 1980, 600 ft² in Stonington, appraised at $540,000 (assessed $401,100); last sold for $650,000 on May 30, 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 Stonington assessor’s office.
Parcel
| Location | 31 Williams Ave, Stonington CT 06355 |
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| Parcel ID | 161-15-1 |
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| CAMA account | 73770-7656 |
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| Use | BANK BLDG (state use code 3410) |
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| Planning region | Southeastern Connecticut |
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Valuation — revaluation 2024
| Appraised (market value) | $540,000 land $388,800 · building $124,600 · outbuildings $26,600 |
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| Assessed (70%) | $401,100 land $272,200 |
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Building
| Year built | 1980 (effective 1992) |
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| Living area | 600 ft² |
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| Condition | AV |
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Sales
| Last sale | $650,000 — May 30, 2025 |
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What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $401,100 times the town mill rate gives the yearly tax.
- Stonington last revalued in 2024. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
- The last sale price is 20% above 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.

The report for 31 Williams Ave
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