12 BOULDER TRAIL
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Location
12 BOULDER TRAIL
MBLU
4/ 5/ 11/ /
Acct#
A1316
Owner
KARLSON DEBORAH J & KARL J TRS
Total Market Value
$2,150,400
PID
103018
Building Count
1
Current Value
Assessment
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2026$1,599,100$18,100$21,000$512,200$2,150,400

Parcel Addresses
Additional Addresses

No Additional Addresses available for this parcel


Owner of Record
OwnerKARLSON DEBORAH J & KARL J TRS
Co-OwnerKARLSON 2025 NOMINEE TRUST
Address12 BOULDER TRAIL
WALPOLE, MA 02081
Sale Price$1
Certificate
Book & Page 42386/579
Sale Date05/08/2025
Instrument1F

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
KARLSON DEBORAH J & KARL J TRS$1 42386/5791F05/08/2025
KARLSON KARL J & DEBORAH J$450,000 29543/00421P01/11/2012
PRIORE REALTY LLC$1 28038/05921A09/17/2010
PRIORE RONALD JR. & HEIDI$1 22513/0196 06/15/2005

Building Information
Building 1 : Section 1
Year Built: 2012
Living Area: 5,317
Building Attributes
FieldDescription
Style:Contemporary
ModelResidential
Stories:1.75 Stories
Occupancy1
Exterior WallClapboard
Exterior Wall ConditionMasonry Veneer
Roof Structure:Gable or Hip
Roof CoverAsphalt
Interior WallDrywall
Interior Wall Condition 
Interior FloorHardwood
Interior Floor 2 
Heating FuelGas or Oil
Heating Type:Forced Hot Air
AC Type:Central Air
Total Bedrooms:4 Bedrooms
Total Baths:3 Bathrooms
Total Half Baths:1
Extra Fixtures: 
Total Rooms:9 Rooms
Bath Style:Standard
Kitchen Style:Standard
Extra FeatureExtra Fixture
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 3,092 3,092
TQS.75 Stories 2,618 2,225
CCCCathedral Ceil 96 0
FGRGarage 1,287 0
FOPOpen Porch 64 0
FSPScreen Porch 276 0
UBMUnfinished Bsmt 3,092 0
UTQUnfinished .75 Stories 266 0
   10,791 5,317

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPL1FIREPLACE3.00 UNITS$11,2001
FPLFIREPLACE2.00 UNITS$6,9001

Parcel Information
Use Code1010
DescriptionOne Family  
Deeded Acres

Land
Land Use
Use Code1010
DescriptionOne Family  
ZoneR
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)1.83
Depth
Total Market Land$512,200

Outbuildings
Outbuildings
CodeDescriptionSizeValueBldg #
SPL3B.G. POOL912.00 S.F.$19,2001
SHD1SHED160.00 S.F.$1,8001
Valuation History
Assessment
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2026$1,599,100$18,100$21,000$512,200$2,150,400
2025$1,440,100$18,100$20,000$493,300$1,971,500
2024$1,334,700$16,800$18,500$475,000$1,845,000
2023$1,192,000$16,200$18,000$413,800$1,640,000
2022$1,007,200$16,200$16,400$382,300$1,422,100
2021$946,800$15,800$14,900$360,200$1,337,700
2020$849,200$15,800$14,900$351,200$1,231,100
2019$848,600$15,800$14,900$339,400$1,218,700
2018$893,700$15,800$14,900$324,000$1,248,400
2017$861,900$14,800$14,900$312,200$1,203,800

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