1 PROSPECT AVE
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Location
1 PROSPECT AVE
Map/Block/Lot/Unit
120/ / 60/ /
Acct#
200800163
Owner
THORNTON ROBERT P & SUSAN REV TRUST
Total Market Value
$1,065,900
Appraisal
$1,065,900
PID
4481
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2023$598,800$467,100$1,065,900
Assessment
Valuation YearImprovementsLandTotal
2023$598,800$467,100$1,065,900

Owner of Record
OwnerTHORNTON ROBERT P & SUSAN REV TRUST
Co-Owner
AddressROBERT & SUSAN F THORNTON TRUSTEES
7 HUCKLEBERRY ROAD
HOPKINTON, MA 01748
Sale Price$0
Certificate
Book & Page 1640/95
Sale Date02/05/2020
Instrument1A

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
THORNTON ROBERT P & SUSAN REV TRUST$0 1640/951A02/05/2020
THORNTON ROBERT & SUSAN TRUSTEES$520,000 1049/01440005/21/2007
NICHOLSON NATALIE N TRUST$0 0668/0290UK07/24/2002
NICHOLSON NATALIE N$0  0001/0UK01/01/1900
THORNTON ROBERT & SUSAN F REV TRUST$0  /   

Building Information
Building 1 : Section 1
Year Built: 2023
Living Area: 1,332
Replacement Cost: $347,732
Building Percent Good: 60
Replacement Cost
Less Depreciation:

$208,600
Building Attributes
FieldDescription
Style:Conventional
ModelResidential
Grade:Above Ave
Stories:1 3/4 Stories
Occupancy1
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2 
Heat FuelOil
Heat Type:Hot Water
AC Type:Central
Total Bedrooms:4 Bedrooms
Total Bthrms:2
Total Half Baths:0
Total Xtra Fixtrs:1
Total Rooms:9 Rooms
Bath Style:Modern
Kitchen Style:Modern
CON2 
CON1 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
BASFirst Floor 720 720
TQSThree Quarter Story 720 612
FOPPorch, Open, Finished 316 0
UBMBasement, Unfinished 720 0
WDKDeck, Wood 347 0
   2,823 1,332
Building 1 : Section 2
Year Built: 1902
Living Area: 1,918
Replacement Cost: $491,150
Building Percent Good: 69
Replacement Cost
Less Depreciation:

$338,900
Building Attributes : Section 2 of 2
FieldDescription
Style:Conventional
ModelResidential
Grade:Good
Stories:1 3/4 Stories
Occupancy1
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2 
Heat FuelOil
Heat Type:Hot Water
AC Type:Central
Total Bedrooms:4 Bedrooms
Total Bthrms:2
Total Half Baths:0
Total Xtra Fixtrs:1
Total Rooms:9 Rooms
Bath Style:Modern
Kitchen Style:Modern
CON2 
CON1 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
BASFirst Floor 1,037 1,037
TQSThree Quarter Story 1,037 881
CRLCrawl 1,037 0
WDKDeck, Wood 104 0
   3,215 1,918

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPGFIREPLACE GAS0.00 UNITS$01

Land
Land Use
Use Code1010
DescriptionSingle Fam MDL-01  
ZoneR30
Neighborhood0095
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.46
Frontage0
Depth0
Total Market Land$467,100
Appraised Value$467,100

Outbuildings
Outbuildings
CodeDescriptionSizeValueBldg #
FGR1GARAGE-AVE360.00 S.F.$4,3001
SHD1SHED FRAME120.00 S.F.$1,0001
WDKWOOD DECK90.00 S.F.$1,0001
SPL3IG GUNITE POOL450.00 S.F.$45,0001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$323,800$467,100$790,900
2024$323,800$467,100$790,900

Assessment
Valuation YearImprovementsLandTotal
2025$323,800$467,100$790,900
2024$323,800$467,100$790,900

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