310 Billow Rd, Old Lyme — property record card
Single Fam built in 2024, 3 bed, 2.5 bath, 1,203 ft² in Old Lyme, appraised at $500,800 (assessed $350,600); last sold for $799,999 on May 21, 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 Old Lyme assessor’s office.
Parcel
| Location | 310 Billow Rd, Old Lyme CT 06371 |
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| Parcel ID | 85-30 |
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| CAMA account | 57040-85-30 |
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| Use | Single Fam (state use code 101) |
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| Zone | R-10 |
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| Planning region | Lower Connecticut River Valley |
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Valuation — revaluation 2024
| Appraised (market value) | $500,800
land $210,500 · building $290,300 |
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| Assessed (70%) | $350,600
land $147,400 |
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Building
| Year built | 2024 |
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| Living area | 1,203 ft² |
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| Rooms | 6 |
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| Bedrooms | 3 |
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| Bathrooms | 2 full, 1 half |
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| Condition | average |
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Sales
| Last sale | $799,999 — May 21, 2025 |
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What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $350,600 times the town mill rate gives the yearly tax.
- Old Lyme 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 60% 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 310 Billow Rd
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