135 PROSPECT ST
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Location
135 PROSPECT ST
Mblu
244/ 0364/ 00200/ /
Acct#
244 0364 00200
Owner
YALE UNIVERSITY
Total Market Value
$11,580,730
Appraisal
$16,543,900
PID
13900
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$14,812,700$1,731,200$16,543,900
Assessment
Valuation YearImprovementsLandTotal
2025$10,368,890$1,211,840$11,580,730

Owner of Record
OwnerYALE UNIVERSITY
Co-Owner
AddressYALE UNIVERSITY CONTROLLER FRA
PO BOX 208372
NEW HAVEN, CT 06520-8372
Sale Price$0
Certificate
Book & Page 0/0
Sale Date
Instrument

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
YALE UNIVERSITY $0 0/0  

Building Information
Building 1 : Section 1
Year Built: 1950
Living Area: 62,358
Replacement Cost: $24,911,278
Building Percent Good: 59
Replacement Cost
Less Depreciation:
$14,697,700
Building Attributes
FieldDescription
Style:Classroom
ModelCommercial
GradeAverage
Stories:3.5
Occupancy1.00
Exterior Wall 1Concr/Cinder
Exterior Wall 2Glass/Thermo.
Roof StructureFlat
Roof CoverT&G/Rubber
Interior Wall 1Plastered/Dryw
Interior Wall 2 
Interior Floor 1Fin WD/Carpet
Interior Floor 2 
Heating FuelGas/Oil
Heating TypeHot Water
AC TypeCentral
Bldg UsePVT UNIV MDL-95
Total Rooms 
Total Bedrms00
Total Baths0
NBHD Code 
1st Floor Use:904S
Heat/ACNONE
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height11.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 30,721 30,721
FUSFinished Upper Story 17,040 16,188
FBMFinished Basement 25,748 15,449
FEPEnclosed Porch 228 0
FOPOpen Porch 330 0
   74,067 62,358

Extra Features
Extra Features
CodeDescriptionSizeValueAssessed ValueBldg #
SPR1SPRINKLERS-WET73705.00 S.F.$115,000$80,5001

Land
Land Use
Use Code904S
DescriptionPVT UNIV MDL-95  
ZoneRH2
Neighborhood1500
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)1.72
Frontage0
Depth0
Total Market Land$1,211,840
Appraised Value$1,731,200

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$14,812,700$1,731,200$16,543,900
2024$14,812,700$1,731,200$16,543,900
2023$14,812,700$1,731,200$16,543,900

Assessment
Valuation YearImprovementsLandTotal
2025$10,368,890$1,211,840$11,580,730
2024$10,368,890$1,211,840$11,580,730
2023$10,368,890$1,211,840$11,580,730

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