23 Factory St, Derby — property record card
Commercial built in 1988, 6,048 ft² in Derby, appraised at $1,038,600 (assessed $727,020); last sold for $1,013,250 on November 5, 2009.
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 | 23 Factory St, Derby CT 06418 |
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| Parcel ID | 8-3 3 |
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| CAMA account | 19550-1539 |
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| Use | Commercial (state use code 200) |
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| Zone | CDD |
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| Planning region | Naugatuck Valley |
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Valuation — revaluation 2025
| Appraised (market value) | $1,038,600
land $115,600 · building $631,800 · outbuildings $291,200 |
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| Assessed (70%) | $727,020
land $80,920 |
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Land
| Lot size | 3.00 acres (130,680 ft²) |
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Building
| Year built | 1988 (effective 2009) |
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| Living area | 6,048 ft² |
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| Condition | 7 |
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Sales
| Last sale | $1,013,250 — November 5, 2009 |
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Brownfield inventory
- Derby Central Design District, Central Design Development District — program: NONE
Within about 500 m (a third of a mile): 22 sites of the state brownfield inventory. Brownfields in Derby.
What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $727,020 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.
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 23 Factory St
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