57 PROSPECT ST
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Location
57 PROSPECT ST
Mblu
55/ / 3/ /
Acct#
00003148
Owner
NANTUCKET COTTAGE HOSPITAL
Assessment
$81,259,800
PID
3148
Building Count
3
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$75,505,700$5,754,100$81,259,800

Owner of Record
OwnerNANTUCKET COTTAGE HOSPITAL
Co-Owner
Address57 PROSPECT ST
NANTUCKET, MA 02554
Sale Price$1
Certificate
Book & Page 1546/059
Sale Date07/05/2016
Instrument99

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
NANTUCKET COTTAGE HOSPITAL$1 1546/0599907/05/2016
NANTUCKET COTTAGE HOSPITAL$0 C0003/0802  

Building Information
Building 1 : Section 1
Year Built: 2017
Living Area: 58,733
Replacement Cost: $76,919,264
Building Percent Good: 94
Replacement Cost
Less Depreciation:

$72,304,100
Building Attributes
FieldDescription
Style:Hospital
ModelCommercial
GradeSuperior
Stories:2.5
Occupancy1.00
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Vinyl/Asphalt
Interior Floor 2 
Heating FuelGas
Heating TypeHot Air-no Duc
AC TypeCentral
Struct Class 
Use:CHARITABLE HOSPITALS
Total Rooms 
Total Bedrms00
Total Baths2
1st Floor Use:905C
Heat/ACHEAT/AC SPLIT
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsABOVE AVERAGE
Wall Height9.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
BASFirst Floor 31,404 31,404
FUSUpper Story, Finished 27,329 27,329
FOPPorch, Open, Finished 1,421 0
FSPPorch, Screen, Finished 45 0
STPStoop 30 0
UBMBasement, Unfinished 861 0
UHSHalf Story, Unfinished 22,877 0
UUSUpper Story, Unfinished 960 0
WDKDeck, Wood 1,584 0
   86,511 58,733
Building 2 : Section 1
Year Built: 1968
Living Area: 5,020
Replacement Cost: $2,669,562
Building Percent Good: 70
Replacement Cost
Less Depreciation:

$1,868,700
Building Attributes : Bldg 2 of 3
FieldDescription
Style:Profess. Bldg
ModelCommercial
GradeAverage +20
Stories:1.5
Occupancy2.00
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Plastered
Interior Wall 2 
Interior Floor 1Vinyl/Asphalt
Interior Floor 2Carpet
Heating FuelGas
Heating TypeForced Air-Duc
AC TypeCentral
Struct Class 
Use:CHARITABLE HOSPITALS
Total Rooms 
Total Bedrms00
Total Baths2
1st Floor Use:905C
Heat/ACHEAT/AC PKGS
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height10.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
BASFirst Floor 5,020 5,020
FOPPorch, Open, Finished 18 0
UBMBasement, Unfinished 2,668 0
UHSHalf Story, Unfinished 4,924 0
USTUtility, Storage, Unfinished 32 0
WDKDeck, Wood 857 0
   13,519 5,020
Building 3 : Section 1
Year Built: 2003
Living Area: 1,904
Replacement Cost: $528,447
Building Percent Good: 84
Replacement Cost
Less Depreciation:

$443,900
Building Attributes : Bldg 3 of 3
FieldDescription
Style:Family Duplex
ModelCommercial
GradeAverage +20
Stories:2
Occupancy2.00
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Carpet
Interior Floor 2 
Heating FuelGas
Heating TypeForced Air-Duc
AC TypeCentral
Struct Class 
Use:CHARITABLE HOSPITALS
Total Rooms 
Total Bedrms4
Total Baths2
1st Floor Use: 
Heat/ACHEAT/AC PKGS
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height8.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
BASFirst Floor 952 952
FUSUpper Story, Finished 952 952
FOPPorch, Open, Finished 136 0
UBMBasement, Unfinished 952 0
WDKDeck, Wood 107 0
   3,099 1,904

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
ELEVELEVATOR3.00 UNITS$141,0001
LDL1LOAD LEVELERS1.00 UNITS$4,1001
SPR1SPRINKLERS-WET58733.00 S.F.$524,5001

Land
Land Use
Use Code9550
DescriptionCHARITABLE HOSPITALS  
ZoneCN
Neighborhood550
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)5.76
Frontage0
Depth0
Assessed Value$5,754,100

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
PAV1PAVING-ASPHALT  105000.00 S.F.$189,0001
PAV2PAVING-CONC  6084.00 S.F.$30,4001
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2026$75,505,700$5,754,100$81,259,800
2025$54,953,300$6,073,800$61,027,100
2024$52,393,100$6,393,400$58,786,500
2023$53,631,000$6,393,400$60,024,400
2022$53,548,800$6,393,400$59,942,200

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