18 COMMONWEALTH RD 20
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Location
18 COMMONWEALTH RD 20
Mblu
1156/ 5/ 62/ /
Acct#
2477
Owner
HERZOG ROGER E.
Total Market Value
$1,182,800
PID
2477
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$593,700$589,100$1,182,800

Owner of Record
OwnerHERZOG ROGER E.
Co-OwnerHERZOG MADDEN
Address18-20 COMMONWEALTH RD
WATERTOWN, MA 02472
Sale Price$225,000
Certificate21337/046
Book & Page 21337/046
Sale Date08/06/1991
Instrument1AL

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
HERZOG ROGER E.$225,00021337/04621337/0461AL08/06/1991

Building Information
Building 1 : Section 1
Year Built: 1920
Living Area: 2,470
Replacement Cost: $737,303
Building Percent Good: 79
Replacement Cost
Less Depreciation:
$582,500
Building Attributes
FieldDescription
StyleTwo Family
ModelMulti-Family
GradeAvg. (+)
Stories2.25
FoundationBrick/Stn
Ext Wall 1Wood Shing
Ext Wall 2 
Roof StructureHip
Roof CoverAsphalt Sh
Int Wall 1Plaster
Int Wall 2 
Int Floor 1Hardwood
Int Floor 2 
Heat FuelOil
Heat TypeSteam
AC Percent0
Bedrooms4
Full Baths2
Half Baths0
Total Rooms10
Full Bath RatingGood
Kitchen RatingGood
Kitchens2
Fireplace RatingAverage
Fireplace(s)2
Bsmt Garage0
FrameWood
Total # Units2
Living Units2
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASBase Floor 1,235 1,235
FUSFinished Upper Story 1,235 1,235
ATCAttic, Unfinished 1,209 0
FEPPorch, enclosed 224 0
FOPOpen Porch 129 0
UBMBasement, Unfinished 1,235 0
WDKDeck, Wood 117 0
   5,384 2,470

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code1040
DescriptionTWO FAM  
Zone
NeighborhoodEG
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.10
Frontage
Depth
Total Market Land$589,100

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
FGR1Garage-Ave  220.00 S.F.$11,2001
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$562,000$589,100$1,151,100
2024$479,600$580,900$1,068,600
2023$465,800$544,600$1,018,500

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