42 UNION ST
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Location
42 UNION ST
Mblu
108/ 5/ 85/ /
Acct#
1129
Owner
BONAVITA PETER
Total Market Value
$925,000
PID
1129
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$424,700$500,300$925,000

Owner of Record
OwnerBONAVITA PETER
Co-OwnerSALLADE LAUREN
Address42 UNION ST
WATERTOWN, MA 02472
Sale Price$975,000
Certificate
Book & Page 82922/385
Sale Date06/24/2024
Instrument1AL

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
BONAVITA PETER$975,000 82922/3851AL06/24/2024
WILLER BRIAN R$580,000 66495/3661AL12/08/2015
SHAPIRO MICHAEL$489,000 59111/891AL05/17/2012
GIBBY ELIZABETH W$457,500 47516/3001AL05/26/2006
RUBIN DANIEL B$386,000 37439/3861AL12/20/2002

Building Information
Building 1 : Section 1
Year Built: 1900
Living Area: 1,772
Replacement Cost: $537,614
Building Percent Good: 79
Replacement Cost
Less Depreciation:
$424,700
Building Attributes
FieldDescription
StyleColonial
ModelResidential
GradeAvg. (+)
Stories2.25
FoundationBrick/Stn
Ext Wall 1Asbestos
Ext Wall 2Vinyl
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 Baths1
Half Baths2
Total Rooms7
Full Bath RatingGood
Kitchen RatingGood
Kitchens1
Fireplace RatingAverage
Fireplace(s)1
Bsmt Garage0
FrameWood
Total # Units1
Living Units1
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 720 720
BASBase Floor 692 692
FHSFinished Half Story 720 360
FEPPorch, enclosed 20 0
FOPOpen Porch 124 0
UBMBasement, Unfinished 692 0
WDKDeck, Wood 160 0
   3,128 1,772

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
XFUNFUnfinshd28.00 UNITS$01
XFUNFUnfinshd346.00 UNITS$01

Land
Land Use
Use Code1010
DescriptionONE FAM  
Zone
NeighborhoodEA
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.08
Frontage
Depth
Total Market Land$500,300

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$407,800$500,300$908,100
2024$338,100$474,700$812,800
2023$302,600$454,100$756,700

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