438 George Ryder Rd, Chatham — property record card
Multiple Houses on one parcel built in 1976 on 4.48 acres in Chatham, assessed at $639,300 for fiscal year 2018; last transferred March 12, 1980 for a nominal sum.
Rebuilt from the Chatham assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Chatham assessor’s office.
Parcel
| Location | 438 George Ryder Rd |
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| Map and parcel ID | 10G-18-K1 10G_18_K1_0 |
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| Use | Multiple Houses on one parcel (use code 1090) |
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| Zoning | R20 |
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| County | Barnstable |
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Valuation — fiscal year 2018
| Building | $255,600 |
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| Land | $382,300 |
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| Other | $1,400 |
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| Total assessed | $639,300 |
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Land
| Lot size | 4.48 acres (195,110 ft²) |
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Building
| Year built | 1976 |
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| Style | CAPE |
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| Living area | 1,776 ft² |
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| Stories | 1.75 |
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Last recorded sale
| Price | nominal ($1) |
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| Date | March 12, 1980 |
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| Deed | Registry of Deeds book 3068, page 13 |
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What MassDEP has recorded
- RTN 4-0030173 — Unknown Drum, tier classified (active), status TIER1D · MassDEP file
Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 0 sites with an Activity and Use Limitation. All MassDEP sites in Chatham.
What this means
- Assessed 50% below the median multiple houses on one parcel in Chatham ($1,268,300, 275 parcels).
- The last deed was recorded for a nominal sum: a transfer between family members, into a trust or a similar non-market sale. It says nothing about the market value.
- A tier-classified site is a release still being cleaned up under the Massachusetts Contingency Plan; the MassDEP file shows the stage reached.
Point at the centre of the assessor parcel — not a survey.
Data: Chatham assessor file for fiscal year 2018, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

The report for 438 George Ryder Rd
This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.
$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)
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