521 State St, Guilford — property record card
Residential built in 1854, 1 bed, 1 bath, 1,225 ft² in Guilford, appraised at $949,600 (assessed $664,720); last sold for $1,755,000 on July 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 Guilford assessor’s office.
Parcel
| Location | 521 State St, Guilford CT 64372611 |
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| Parcel ID | 080107A |
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| CAMA account | 34950-4773 |
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| Use | Residential (state use code 100) |
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| Zone | R-5 |
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| Planning region | South Central Connecticut |
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Valuation — revaluation 2026
| Appraised (market value) | $949,600
land $298,700 · building $622,600 · outbuildings $28,300 |
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| Assessed (70%) | $664,720
land $209,090 |
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Land
| Lot size | 3.00 acres (130,680 ft²) |
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Building
| Year built | 1854 (effective 1997) |
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| Living area | 1,225 ft² |
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| Rooms | 3 |
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| Bedrooms | 1 |
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| Bathrooms | 1 full |
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| Condition | 5 |
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Sales
| Last sale | $1,755,000 — July 18, 2025 |
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What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $664,720 times the town mill rate gives the yearly tax.
- Guilford last revalued in 2026. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
- Assessed 104% above the median for this use in Guilford ($325,710, 9,420 parcels).
- The last sale price is 85% 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 521 State 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