171 Oneco Ave, New London — property record card
APT OVER 8 built in 1968, 4,288 ft² in New London, appraised at $732,100 (assessed $512,500); last sold for $3,775,000 on October 6, 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 London assessor’s office.
Parcel
| Location | 171 Oneco Ave, New London CT 06320 |
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| Parcel ID | F03-319-23 |
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| CAMA account | 52350-F03-319-23 |
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| Use | APT OVER 8 (state use code 112C) |
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| Zone | R-2 |
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| Planning region | Southeastern Connecticut |
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Valuation — revaluation 2025
| Appraised (market value) | $732,100
land $240,000 · building $487,600 · outbuildings $4,500 |
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| Assessed (70%) | $512,500
land $168,000 |
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Building
| Year built | 1968 (effective 1998) |
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| Living area | 4,288 ft² |
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| Condition | good |
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| Units | 12 |
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Sales
| Last sale | $3,775,000 — October 6, 2025 |
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What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $512,500 times the town mill rate gives the yearly tax.
- New London last revalued in 2025. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
- Assessed 56% below the median for this use in New London ($1,159,200, 81 parcels).
- The last sale price is 416% 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 171 Oneco 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