420 HIGH ST
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Location
420 HIGH ST
Mblu
94/ 6/ / /
Acct#
Owner
ROMAN CATHOLIC ARCH OF BOSTON
Total Market Value
$14,993,000
PID
100222
Building Count
2
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$14,596,100$396,900$14,993,000

Owner of Record
OwnerROMAN CATHOLIC ARCH OF BOSTON
Co-OwnerST MARY'S CURCH
Address420 HIGH ST
DEDHAM, MA 02026
Sale Price$0
Certificate
Book & Page 0/0
Sale Date

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageSale Date
ROMAN CATHOLIC ARCH OF BOSTON$0 0/0 

Building Information
Building 1 : Section 1
Year Built: 1880
Living Area: 10,886
Replacement Cost: $13,292,574
Building Percent Good: 90
Replacement Cost
Less Depreciation:
$11,963,300
Building Attributes
FieldDescription
Style:Church
ModelIndustrial
GradeExcellent
Stories:1.5
Occupancy1.00
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverSlate
Interior Wall 1Plastered
Interior Wall 2 
Interior Floor 1Hardwood
Interior Floor 2 
Heating FuelOil
Heating TypeSteam
AC TypeNone
Bldg UseCHURCH ETC MDL-96
Total Rooms 
Total Bedrms00
Total Baths1
1st Floor Use:906I
Heat/ACNONE
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & MIN WL
Rooms/PrtnsAVERAGE
Wall Height30.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 9,558 9,558
FUSUpper Story, Finished 1,328 1,328
CAHCathedral Ceiling 9,407 0
FBMBasement, Finished 10,606 0
UATAttic, Unfinished 963 0
UBMBasement, Unfinished 963 0
   32,825 10,886
Building 2 : Section 1
Year Built: 1880
Living Area: 9,325
Replacement Cost: $2,872,941
Building Percent Good: 90
Replacement Cost
Less Depreciation:
$2,585,600
Building Attributes : Bldg 2 of 2
FieldDescription
Style:Colonial
ModelResidential
Grade:Good
Stories:3 Stories
Occupancy1
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverSlate
Interior Wall 1Plastered
Interior Wall 2 
Interior Flr 1Carpet
Interior Flr 2Hardwood
Heat FuelGas
Heat Type:Steam
AC Type:None
Total Bedrooms:9+ Bedrooms
Total Bthrms:4
Total Half Baths:1
Total Xtra Fixtrs: 
Total Rooms:16 Rooms
Bath Style:Average
Kitchen Style:Average
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 6,158 6,158
BASFirst Floor 3,167 3,167
FOPPorch, Open, Finished 506 0
PTOPatio 176 0
UBMBasement, Unfinished 3,167 0
   13,174 9,325

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPL32 STORY CHIM1.00 UNITS$7,7002
FPOEXTRA FPL OPEN4.00 UNITS$19,5002

Land
Land Use
Use Code9600
DescriptionCHURCH  
Zone
Neighborhood0050
Alt Land ApprNo
Category
Land Line Valuation
Size (Sqr Feet)49583
Frontage
Depth
Total Market Land$396,900

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
FGR2GARAGE-GOOD  360.00 S.F.$20,0002
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2026$14,596,100$396,900$14,993,000
2025$11,932,900$378,900$12,311,800
2024$11,369,500$344,500$11,714,000

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