30 UNION ST
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Location
30 UNION ST
Mblu
108/ 9/ 81/ /
Acct#
1133
Owner
SIDERIS DAVID J
Total Market Value
$1,174,800
PID
1133
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$653,100$521,700$1,174,800

Owner of Record
OwnerSIDERIS DAVID J
Co-OwnerSIDERIS MARK S
Address30 UNION ST
WATERTOWN, MA 02472
Sale Price$100
Certificate
Book & Page 53047/30
Sale Date06/23/2009
Instrument1F

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
SIDERIS DAVID J$100 53047/301F06/23/2009
SIDERIS MARK TRUSTEE$130027/41630027/4161F04/09/1999
SIDERIS-MIDDLESEX REALTY$130027/41630027/4161F04/08/1999

Building Information
Building 1 : Section 1
Year Built: 1920
Living Area: 3,597
Replacement Cost: $866,762
Building Percent Good: 73
Replacement Cost
Less Depreciation:
$632,700
Building Attributes
FieldDescription
StyleTwo Family
ModelMulti-Family
GradeAverage
Stories2.5
FoundationBrick/Stn
Ext Wall 1Stucco
Ext Wall 2Wood Shing
Roof StructureGable
Roof CoverSlate
Int Wall 1Plaster
Int Wall 2Drywall
Int Floor 1Hardwood
Int Floor 2 
Heat FuelGas
Heat TypeForced H/A
AC Percent33
Bedrooms8
Full Baths3
Half Baths0
Total Rooms14
Full Bath RatingAverage
Kitchen RatingAverage
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
FUSFinished Upper Story 1,459 1,459
BASBase Floor 1,425 1,425
FHSFinished Half Story 1,425 713
FOPOpen Porch 236 0
UBMBasement, Unfinished 1,425 0
WDKDeck, Wood 236 0
   6,206 3,597

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)0.12
Frontage
Depth
Total Market Land$521,700

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
FGR1Garage-Ave  400.00 S.F.$20,4001
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$618,000$521,700$1,139,700
2024$493,300$507,800$1,013,600
2023$487,600$485,700$985,800

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