1 Pratt Island, Darien — property record card
Dev. Vacant Land in Darien, appraised at $4,232,300 (assessed $5,925,220); last sold for $4,060,000 on September 24, 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 Darien assessor’s office.
Parcel
| Location | 1 Pratt Island, Darien CT 06820 |
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| Parcel ID | 55-107-00 |
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| CAMA account | 18850-09414 |
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| Use | Dev. Vacant Land (state use code 130) |
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| Zone | R-1 |
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| Planning region | Western Connecticut |
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Valuation
| Appraised (market value) | $4,232,300
land $4,232,300 · building $0 |
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| Assessed (70%) | $5,925,220
land $5,925,220 |
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Land
| Lot size | 1.00 acres (43,560 ft²) |
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Building
Sales
| Last sale | $4,060,000 — September 24, 2025 |
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2 accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
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| 1 Pratt Island | 18850-09414 | Dev. Vacant Land | $2,962,610 | $4,060,000
September 24, 2025 |
| 1 Pratt Island | 18850-09414 | Dev. Vacant Land | $2,962,610 | $4,060,000
September 24, 2025 |
What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $5,925,220 times the town mill rate gives the yearly tax.
- Assessed 711% above the median for this use in Darien ($730,800, 96 parcels).
- The last sale price is 4% 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.
The report for 1 Pratt Island
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