103 UNION ST
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Location
103 UNION ST
Mblu
116/ 7A/ B/ /
Acct#
2544
Owner
PATRICK MERTENS REVOCALBLE TRU
Total Market Value
$1,056,100
PID
2544
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$558,300$497,800$1,056,100

Owner of Record
OwnerPATRICK MERTENS REVOCALBLE TRU
Co-OwnerMERTENS PATRICK E TRUSTEE
Address103 UNION STREET
WATERTOWN, MA 02472
Sale Price$100
Certificate
Book & Page 72375/293
Sale Date03/25/2019
Instrument1F

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
PATRICK MERTENS REVOCALBLE TRU $100 72375/2931F03/25/2019
KARPINSKI CONSTANCE A$0 14816/2861AL12/10/1982

Building Information
Building 1 : Section 1
Year Built: 1925
Living Area: 2,880
Replacement Cost: $706,682
Building Percent Good: 79
Replacement Cost
Less Depreciation:
$558,300
Building Attributes
FieldDescription
StyleTwo Family
ModelMulti-Family
GradeAverage
Stories2.5
FoundationBrick/Stn
Ext Wall 1Vinyl
Ext Wall 2 
Roof StructureGable
Roof CoverAsphalt Sh
Int Wall 1Plaster
Int Wall 2 
Int Floor 1Hardwood
Int Floor 2 
Heat FuelOil
Heat TypeForced H/W
AC Percent0
Bedrooms4
Full Baths3
Half Baths0
Total Rooms10
Full Bath RatingAverage
Kitchen RatingAverage
Kitchens2
Fireplace RatingA
Fireplace(s)0
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 1,152 1,152
FUSFinished Upper Story 1,152 1,152
FHSFinished Half Story 1,152 576
FOPOpen Porch 158 0
UBMBasement, Unfinished 1,152 0
   4,766 2,880

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code1040
DescriptionTWO FAM  
Zone
NeighborhoodEA
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.07
Frontage
Depth
Total Market Land$497,800

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$527,700$497,800$1,025,500
2024$437,400$487,000$924,400
2023$432,400$465,900$898,300

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