123 MAIN ST
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Location
123 MAIN ST
Mblu
320/ 1/ 0/ /
Acct#
4909
Owner
WATERTOWN, TOWN OF LIBRARY (MAIN BRANCH)
Total Market Value
$12,004,600
PID
4909
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$10,169,300$1,835,300$12,004,600

Owner of Record
OwnerWATERTOWN, TOWN OF LIBRARY (MAIN BRANCH)
Co-Owner
Address149 MAIN ST
WATERTOWN, MA 02472
Sale Price$0
Certificate
Book & Page N/A/N/A
Sale Date01/01/1900
Instrument1AL

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
WATERTOWN, TOWN OF LIBRARY (MAIN BRANCH)$0 N/A/N/A1AL01/01/1900

Building Information
Building 1 : Section 1
Year Built: 1884
Living Area: 20,772
Replacement Cost: $10,666,637
Building Percent Good: 95
Replacement Cost
Less Depreciation:
$10,133,300
Building Attributes
FieldDescription
StyleLibrary
ModelCommercial
GradeSuperb
Stories2
Exterior Wall 1Brick
Exterior Wall 2 
Roof StructureGable
Roof CoverSlate
Int Wall 1Drywall
Int Wall 2 
Int Floor 1Asphl Tile
Int Floor 2 
Heat FuelOil
Heat TypeForced H/W
AC Percent50
Full Baths0
Half Baths10
FrameSteel
Plumbing 
Wall Height9.00
Fireplace(s)0
Fireplace RatingAverage
Kitchen RatingAverage
% Sprinkler 
Half Bath RatingAverage
Living Units1
Full Bath RatingNone
Kitchens1
Bsmt Garage0
FoundationConcrete
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASBase Floor 10,386 10,386
LLVLower Level 5,848 5,848
FUSFinished Upper Story 4,538 4,538
FOPOpen Porch 614 0
   21,386 20,772

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
ELV1Pass Elev 1-3stop3.00 UNITS$36,0001

Land
Land Use
Use Code9310
DescriptionTOWN-IMPRVD  
Zone
NeighborhoodCG
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)1.15
Frontage
Depth
Total Market Land$1,835,300

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$10,169,300$1,835,300$12,004,600
2024$7,279,600$1,726,500$9,006,100
2023$7,139,800$1,639,400$8,779,200

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