21 THRONE HILL RD
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Location
21 THRONE HILL RD
Mblu
213/ 35/ 0/ /
Acct#
1489
Owner
KALOGEROS, ADAM E
Assessment
$646,500
Appraisal
$646,500
PID
1489
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$413,000$233,500$646,500
Assessment
Valuation YearImprovementsLandTotal
2025$413,000$233,500$646,500

Owner of Record
OwnerKALOGEROS, ADAM E
Co-OwnerFATUM, MARLENA C
Address21 THRONE HILL RD
GROTON, MA 01450
Sale Price$660,000
Certificate
Book & Page 83337/477
Sale Date10/10/2024
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
KALOGEROS, ADAM E$660,000 83337/4770010/10/2024
THOMPSON, RYAN M.$555,000 78669/04940009/10/2021
NOTTINGHAM, PAUL A. TRUSTEE$1 74362/04761A03/27/2020
NOTTINGHAM, PAUL A.$257,700C28279/00300003/09/1998
CROSWELL, WAYNE L$177,500P16176/02740005/22/1985

Building Information
Building 1 : Section 1
Year Built: 1984
Living Area: 2,452
Replacement Cost: $503,048
Building Percent Good: 82
Replacement Cost
Less Depreciation:
$412,500
Building Attributes
FieldDescription
Style:Colonial
ModelResidential
Grade:Avg (+)
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 1Carpet
Interior Flr 2 
Heat FuelOil
Heat Type:Hot Water
AC Type:None
Total Bedrooms:4 Bedrooms
Total Bthrms:1
Total Half Baths:1
Total Xtra Fixtrs: 
Total Rooms:9
Bath Style: 
Kitchen Style: 
Extra Kitchens 
Fireplaces1
Bsmt Gar: 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 1,588 1,588
FUSUpper Story, Finished 864 864
FGRGarage 308 0
UBMBasement, Unfinished 1,280 0
WDKDeck, Wood 120 0
   4,160 2,452

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code1010
DescriptionSingle Family  
ZoneRA
NeighborhoodR001
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.92
Frontage
Depth
Assessed Value$233,500
Appraised Value$233,500

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHD4SHED  56.00 SF$5001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$413,000$233,500$646,500
2024$405,500$233,500$639,000
2023$356,500$218,900$575,400

Assessment
Valuation YearImprovementsLandTotal
2025$413,000$233,500$646,500
2024$405,500$233,500$639,000
2023$356,500$218,900$575,400

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