506 OLD DUNSTABLE RD
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Location
506 OLD DUNSTABLE RD
Mblu
247/ 52/ 1/ /
Acct#
4956
Owner
ZAN, DONGHAI
Total Market Value
$930,700
Appraisal
$930,700
PID
4956
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$685,300$245,400$930,700
Assessment
Valuation YearImprovementsLandTotal
2026$685,300$245,400$930,700

Owner of Record
OwnerZAN, DONGHAI
Co-OwnerSHANGGUAN, YUQING
Address506 OLD DUNSTABLE RD
GROTON, MA 01450
Sale Price$999,999
Certificate
Book & Page 01627/88
Sale Date05/09/2025
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
ZAN, DONGHAI$999,999 01627/880005/09/2025
GANGUPOMU, VAMSHI$950,000 1800/800003/23/2023
SHEFFIELD, DEAN M.$100 1377/00471A11/17/2009
SHEFFIELD, DEAN M.$629,000 1311/01350011/23/2005
HIGH OAKS REALTY TRUST$250,000C1251/01801G05/06/2002

Building Information
Building 1 : Section 1
Year Built: 2004
Living Area: 3,324
Replacement Cost: $764,345
Building Percent Good: 88
Replacement Cost
Less Depreciation:
$672,600
Building Attributes
FieldDescription
Style:Colonial
ModelResidential
Grade:Good
Stories:2
Occupancy1
Exterior Wall 1Clapboard
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2Carpet
Heat FuelOil
Heat Type:Forced Air-Duc
AC Type:None
Total Bedrooms:4 Bedrooms
Total Bthrms:2
Total Half Baths:1
Total Xtra Fixtrs:3
Total Rooms:8
Bath Style:Average
Kitchen Style:Modern
Extra Kitchens 
Fireplaces2
Bsmt Gar:0
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 1,310 1,310
FUSUpper Story, Finished 1,310 1,310
TQSThree Quarter Story 552 442
FATAttic, Finished 1,310 262
FGRGarage 552 0
FOPPorch, Open, Finished 56 0
UBMBasement, Unfinished 1,310 0
WDKDeck, Wood 192 0
   6,592 3,324

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code1010
DescriptionSingle Family  
ZoneRA
NeighborhoodR005
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)2.10
Frontage
Depth
Total Market Land$245,400
Appraised Value$245,400

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
FGR2GARAGE-GOOD  384.00 SF$12,7001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2026$685,300$245,400$930,700
2025$645,900$234,200$880,100
2024$629,600$234,200$863,800

Assessment
Valuation YearImprovementsLandTotal
2026$685,300$245,400$930,700
2025$645,900$234,200$880,100
2024$629,600$234,200$863,800

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