500 New Haven Ave, Derby — property record card
Commercial built in 1985, 3,090 ft² in Derby, appraised at $557,700 (assessed $390,390); last sold for $15,350,000 on January 20, 2026.
Rebuilt from the public Connecticut CAMA and Parcel Layer — not the official card. For the official card, with owner, photo and sketch, ask the Derby assessor’s office.
Parcel
| Location | 500 New Haven Ave, Derby CT 06418 |
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| Parcel ID | 4-3 39 |
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| CAMA account | 19550-3674 |
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| Use | Commercial (state use code 200) |
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| Zone | B-1 |
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| Planning region | Naugatuck Valley |
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Valuation — revaluation 2025
| Appraised (market value) | $557,700
land $0 · building $531,300 · outbuildings $26,400 |
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| Assessed (70%) | $390,390
land $0 |
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Building
| Year built | 1985 (effective 2008) |
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| Living area | 3,090 ft² |
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| Condition | 7 |
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Sales
| Last sale | $15,350,000 — January 20, 2026 |
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What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $390,390 times the town mill rate gives the yearly tax.
- Derby last revalued in 2025. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
- The last sale price is 2652% 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 500 New Haven 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