20 POWDER MILL RD
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Location
20 POWDER MILL RD
Mblu
14F/ 3117/ / /
Acct#
5840
Owner
BERNERS-LEE TIMOTHY J
Assessment
$2,400,600
Appraisal
$2,400,600
PID
5840
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$1,592,400$808,200$2,400,600
Assessment
Valuation YearImprovementsLandTotal
2026$1,592,400$808,200$2,400,600

Owner of Record
OwnerBERNERS-LEE TIMOTHY J
Co-Owner
Address20 POWDER MILL RD
CONCORD, MA 01742
Sale Price$1,420,000
Certificate
Book & Page 56834/0591
Sale Date05/09/2011
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
BERNERS-LEE TIMOTHY J$1,420,000 56834/05910005/09/2011
HAMILTON MARTHA D$1 20523/05570005/01/1990
HAMILTON JOHN D JR$1,000,000 18788/03690012/29/1987
LITTLE MARJORIE B TR$1 11824/02930008/24/1970

Building Information
Building 1 : Section 1
Year Built: 1659
Living Area: 3,786
Replacement Cost: $1,946,927
Building Percent Good: 80
Replacement Cost
Less Depreciation:
$1,557,500
Building Attributes
FieldDescription
Style:Century(F,R,V)
ModelResidential
Grade:07
Stories:2 Stories
Occupancy 
Exterior Wall 1Clapboard
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverWood Shingle
Interior Wall 1Plastered
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2Carpet
Heat FuelGas
Heat Type:Steam
AC Type:Central
Total Bedrooms:3 Bedrooms
Total Bthrms:4
Total Half Baths:0
Total Xtra Fixtrs:0
Total Rooms:10
Bath Style:Modern
Kitchen Style:Modern
Num Kitchens00
Cndtn 
Num Park 
Fireplaces 
Extra Kitchen 
Fndtn Cndtn 
Basement 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 2,608 2,608
FUSUpper Story, Finished 1,178 1,178
CATCathedral Ceiling 1,430 0
FBMBasement, Finished 1,958 0
FOPPorch, Open 28 0
PTOPatio 308 0
STPStoop 46 0
   7,556 3,786

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPOEXTRA FPL OPEN3.00 UNITS$2,9001
FPL32 STORY CHIM3.00 UNITS$9,1001
SNASAUNA120.00 S.F.$7,3001

Land
Land Use
Use Code1010
DescriptionSingle Fam MDL-01  
ZoneAA
Neighborhood23
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)3.81
Frontage569
Depth
Assessed Value$808,200
Appraised Value$808,200

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
FGR1GARAGE-AVE  792.00 S.F.$15,6001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2026$1,592,400$808,200$2,400,600
2025$1,543,900$743,900$2,287,800
2024$1,543,900$743,900$2,287,800

Assessment
Valuation YearImprovementsLandTotal
2026$1,592,400$808,200$2,400,600
2025$1,543,900$743,900$2,287,800
2024$1,543,900$743,900$2,287,800

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