508 Ponus Ridge, New Canaan — property record card
Residential built in 1997, 5 bed, 6.5 bath, 7,113 ft² in New Canaan, appraised at $3,655,900 (assessed $2,559,130); last sold for $4,400,000 on April 14, 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 New Canaan assessor’s office.
Parcel
| Location | 508 Ponus Ridge, New Canaan CT 68404790 |
|---|
| Parcel ID | 25/13/45 |
|---|
| CAMA account | 50580-10382 |
|---|
| Use | Residential (state use code 100) |
|---|
| Zone | 2AC |
|---|
| Planning region | Western Connecticut |
|---|
Valuation — revaluation 2026
| Appraised (market value) | $3,655,900 land $1,265,000 · building $2,390,900 |
|---|
| Assessed (70%) | $2,559,130 land $885,500 |
|---|
Land
| Lot size | 3.00 acres (130,680 ft²) |
|---|
Building
| Year built | 1997 (effective 2016) |
|---|
| Living area | 7,113 ft² |
|---|
| Rooms | 12 |
|---|
| Bedrooms | 5 |
|---|
| Bathrooms | 6 full, 2 half |
|---|
| Condition | 5 |
|---|
Sales
| Last sale | $4,400,000 — April 14, 2025 |
|---|
What this means
- Connecticut taxes property at 70% of its appraised market value: the assessment $2,559,130 times the town mill rate gives the yearly tax.
- New Canaan last revalued in 2026. Towns revalue every five years; between two revaluations the appraisal stays the same even if the market moves.
- Assessed 129% above the median for this use in New Canaan ($1,119,685, 6,804 parcels).
- The last sale price is 20% 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 508 Ponus Ridge
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