10 PATTEN ST 12
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Location
10 PATTEN ST 12
Mblu
1006/ 11/ 0/ /
Acct#
27
Owner
PATTEN/MT AUBURN, LLC
Total Market Value
$1,223,700
PID
27
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$733,500$490,200$1,223,700

Owner of Record
OwnerPATTEN/MT AUBURN, LLC
Co-Owner
Address414 MAIN ST
WATERTOWN, MA 02472
Sale Price$1,325,000
Certificate
Book & Page 84170/490
Sale Date06/02/2025
Instrument1AL

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
PATTEN/MT AUBURN, LLC$1,325,000 84170/4901AL06/02/2025
KALOOSDIAN PAUL G.$225,00020954 44520954/4451AL01/09/1991

Building Information
Building 1 : Section 1
Year Built: 1900
Living Area: 3,765
Replacement Cost: $847,175
Building Percent Good: 79
Replacement Cost
Less Depreciation:
$669,300
Building Attributes
FieldDescription
StyleMulti-Tnhs
ModelMulti-Family
GradeAvg. (+)
Stories2.5
FoundationBrick/Stn
Ext Wall 1Vinyl
Ext Wall 2 
Roof StructureGable
Roof CoverSlate
Int Wall 1Plaster
Int Wall 2 
Int Floor 1Hardwood
Int Floor 2Carpet
Heat FuelOil
Heat TypeForced H/A
AC Percent0
Bedrooms10
Full Baths4
Half Baths0
Total Rooms16
Full Bath RatingGood
Kitchen RatingAverage
Kitchens2
Fireplace RatingAverage
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 1,650 1,650
FUSFinished Upper Story 1,410 1,410
FHSFinished Half Story 1,410 705
FEPPorch, enclosed 32 0
FOPOpen Porch 75 0
UBMBasement, Unfinished 1,482 0
   6,059 3,765

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
XFFLAFin Lv Ar1128.00 S.F.$64,2001

Land
Land Use
Use Code1040
DescriptionTWO FAM  
Zone
NeighborhoodEF
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.16
Frontage
Depth
Total Market Land$490,200

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$528,600$490,200$1,018,800
2024$437,600$475,600$913,200
2023$432,200$460,300$892,500

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