33 HAYDEN AVE
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Location
33 HAYDEN AVE
Mblu
16/ / 1C/ /
Acct#
Owner
HAYDEN OFFICE TRUST
Total Market Value
$33,618,000
PID
1836
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$27,095,000$6,523,000$33,618,000

Owner of Record
OwnerHAYDEN OFFICE TRUST
Co-OwnerC/O BOSTON PROPERTIES INC. TAX
Address800 BOYLSTON ST, STE 1900
BOSTON, MA 02199-8101
Sale Price$0
Certificate
Book & Page 00893/0163
Sale Date08/01/1977

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageSale Date
HAYDEN OFFICE TRUST$0 00893/016308/01/1977

Building Information
Building 1 : Section 1
Year Built: 1977
Living Area: 84,322
Replacement Cost: $38,309,493
Building Percent Good: 70
Replacement Cost
Less Depreciation:
$26,817,000
Building Attributes
FieldDescription
Style:LAB/OFFICE
ModelCommercial
GradeB-
Stories:3
Occupancy2.00
Exterior Wall 1BRICK VENEER
Exterior Wall 2 
Roof StructureFLAT
Roof CoverT&G COMM
Interior Wall 1SKIM COAT PLST
Interior Wall 2 
Interior Floor 1CER/CLAY/TILE
Interior Floor 2CER/CLAY/TILE
Heating FuelGAS
Heating TypeHOT WATER
AC TypeCENTRAL
Bldg UseOFFICE LAB MDL-94
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:3400
Heat/ACHEAT/AC SPLIT
Frame TypeFIREPRF STEEL
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 57,118 57,118
BASFirst Floor 27,204 27,204
FEPPorch, Enclosed, Finished 400 0
FOPPorch, Open, Finished 48 0
   84,770 84,322

Extra Features
Extra Features
CodeDescriptionSizeBldg #
ELVElevator2.00 Story1
SPR1SPRINKLERS-WET84287.00 S.F.1

Land
Land Use
Use Code4060
DescriptionLAB OFFICE  
ZoneCRO
NeighborhoodA
Alt Land ApprNo
Category
Land Line Valuation
Size (Sqr Feet)287060
Frontage
Depth0
Total Market Land$6,523,000

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeBldg #
PAV1PAVING-ASPHALT  0.00 S.F.1
PAV1PAVING-ASPHALT  105500.00 S.F.1
LT1LIGHTS-IN W/PL  15.00 UNITS1
LT10W/DOUBLE LIGHT  6.00 UNITS1
PAT1PATIO-AVG  2020.00 S.F.1
PAT1PATIO-AVG  1450.00 S.F.1
SHD1SHED FRAME  300.00 S.F.1
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2026$27,095,000$6,523,000$33,618,000
2025$29,490,000$6,450,000$35,940,000
2024$28,883,000$6,143,000$35,026,000
2023$26,010,000$5,590,000$31,600,000

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