479 Opening Hill Rd, Madison — property record card
Single Family built in 1820, 4 bed, 2.5 bath, 3,927 ft² in Madison, appraised at $789,700 (assessed $552,800); last sold for $1,200,000 on August 18, 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 Madison assessor’s office.
Parcel
| Location | 479 Opening Hill Rd, Madison CT 06443 |
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| Parcel ID | 109-2 |
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| CAMA account | 44560-00566000 |
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| Use | Single Family (state use code 1010) |
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| Zone | RU-1 |
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| Planning region | South Central Connecticut |
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Valuation — revaluation 2025
| Appraised (market value) | $789,700
land $168,700 · building $620,700 · outbuildings $300 |
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| Assessed (70%) | $552,800
land $118,100 |
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Land
| Lot size | 3.00 acres (130,680 ft²) |
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Building
| Year built | 1820 (effective 2011) |
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| Living area | 3,927 ft² |
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| Rooms | 8 |
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| Bedrooms | 4 |
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| Bathrooms | 2 full, 1 half |
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| Condition | excellent |
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Sales
| Last sale | $1,200,000 — August 18, 2025 |
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What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $552,800 times the town mill rate gives the yearly tax.
- Madison last revalued in 2025. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
- Assessed 34% above the median for this use in Madison ($411,600, 6,505 parcels).
- The last sale price is 52% 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.
The report for 479 Opening Hill 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