500 OLD CONN PATH
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Location
500 OLD CONN PATH
Mblu
061/ 40/ 8103/ /
Acct#
8871
Owner
OCP LLC
PBN
Total Market Value
$40,626,100
Appraisal
$40,626,100
PID
8871
Building Count
4
Current Value
Appraisal
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2026$29,077,100$598,800$2,746,900$8,203,300$40,626,100
Assessment
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2026$29,077,100$598,800$2,746,900$8,203,300$40,626,100

Owner of Record
OwnerOCP LLC
Co-Owner
Address116 FLANDERS RD SUITE 2000
WESTBORO, MA 01581
Sale Price$21,302,191
Certificate
Book & Page 26606/0270
Sale Date08/23/1996
Instrument1Y

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
OCP LLC $21,302,191 26606/02701Y08/23/1996

Building Information
Building 1 : Section 1
Year Built: 1978
Living Area: 84,613
Replacement Cost: $13,783,524
Building Percent Good: 67
Replacement Cost
Less Depreciation:
$5,910,400
Building Attributes
FieldDescription
TypeProfessional & Medical Offices
ModelCommercial
GradeAverage
Stories3
Exterior Wall 1Conc.Panel
Exterior Wall 2Glass
Roof StructureFlat
Roof CoverMembrane
Int Wall 1Drywall
Int Wall 2 
Int Floor 1Residential Carpet
Int Floor 2Ceramic Tl
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Total Rooms0
Bedrooms0
Full Baths0
Half Baths6
FrameConcrete
Plumbing 
PartitionTypical
Wall Height8.00
% Comn Wall0.00
Fireplace(s)0
Add Kit RatingNone
Fireplace RatingAverage
Kitchen RatingNone
WS Flue RatingAverage
% Sprinkler100
ElectricTypical
WS Flues0
Heat Type 2 
Half Bath RatingGood
Living Units1
Total # Units5
InsulationTypical
Full Bath RatingNone
Kitchens0
Extra Kitchens0
Bsmt Garage0
FoundationSlab
Color 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 56,462 56,462
BASBase Floor 28,151 28,151
CANCanopy 80 0
   84,693 84,613
Building 2 : Section 1
Year Built: 1981
Living Area: 88,573
Replacement Cost: $14,805,290
Building Percent Good: 71
Replacement Cost
Less Depreciation:
$6,727,500
Building Attributes : Bldg 2 of 4
FieldDescription
TypeProfessional & Medical Offices
ModelCommercial
GradeAverage
Stories3
Exterior Wall 1Glass
Exterior Wall 2 
Roof StructureFlat
Roof CoverMembrane
Int Wall 1Drywall
Int Wall 2 
Int Floor 1Residential Carpet
Int Floor 2Ceramic Tl
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Total Rooms0
Bedrooms0
Full Baths0
Half Baths6
FrameConcrete
Plumbing 
PartitionTypical
Wall Height8.00
% Comn Wall0.00
Fireplace(s)0
Add Kit RatingNone
Fireplace RatingAverage
Kitchen RatingNone
WS Flue RatingAverage
% Sprinkler100
ElectricTypical
WS Flues0
Heat Type 2 
Half Bath RatingGood
Living Units2
Total # Units5
InsulationTypical
Full Bath RatingNone
Kitchens0
Extra Kitchens0
Bsmt Garage0
FoundationSlab
Color 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 59,724 59,724
BASBase Floor 28,849 28,849
CANCanopy 913 0
FEPEnclosed Porch 100 0
   89,586 88,573
Building 3 : Section 1
Year Built: 2007
Living Area: 121,085
Replacement Cost: $19,530,719
Building Percent Good: 89
Replacement Cost
Less Depreciation:
$11,124,700
Building Attributes : Bldg 3 of 4
FieldDescription
TypeProfessional & Medical Offices
ModelCommercial
GradeAverage
Stories3
Exterior Wall 1Conc.Panel
Exterior Wall 2Glass
Roof StructureFlat
Roof CoverMembrane
Int Wall 1Drywall
Int Wall 2 
Int Floor 1Residential Carpet
Int Floor 2Ceramic Tl
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Total Rooms0
Bedrooms0
Full Baths0
Half Baths6
FrameConcrete
Plumbing 
PartitionTypical
Wall Height8.00
% Comn Wall0.00
Fireplace(s)0
Add Kit RatingNone
Fireplace RatingAverage
Kitchen RatingGood
WS Flue RatingAverage
% Sprinkler100
ElectricTypical
WS Flues0
Heat Type 2 
Half Bath RatingGood
Living Units1
Total # Units5
InsulationTypical
Full Bath RatingNone
Kitchens1
Extra Kitchens0
Bsmt Garage0
FoundationSlab
Color 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 81,290 81,290
BASBase Floor 39,795 39,795
CANCanopy 700 0
FEPEnclosed Porch 150 0
   121,935 121,085
Building 4 : Section 1
Year Built: 2009
Living Area: 56,664
Replacement Cost: $9,330,145
Building Percent Good: 89
Replacement Cost
Less Depreciation:
$5,314,500
Building Attributes : Bldg 4 of 4
FieldDescription
TypeProfessional & Medical Offices
ModelCommercial
GradeAverage
Stories3
Exterior Wall 1Conc.Panel
Exterior Wall 2Glass
Roof StructureFlat
Roof CoverMembrane
Int Wall 1Drywall
Int Wall 2 
Int Floor 1Residential Carpet
Int Floor 2Ceramic Tl
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Total Rooms0
Bedrooms0
Full Baths0
Half Baths6
FrameConcrete
Plumbing 
PartitionTypical
Wall Height8.00
% Comn Wall0.00
Fireplace(s)0
Add Kit RatingNone
Fireplace RatingAverage
Kitchen RatingNone
WS Flue RatingAverage
% Sprinkler100
ElectricTypical
WS Flues0
Heat Type 2 
Half Bath RatingGood
Living Units1
Total # Units5
InsulationTypical
Full Bath RatingNone
Kitchens0
Extra Kitchens0
Bsmt Garage0
FoundationSlab
Color 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 37,776 37,776
BASBase Floor 18,888 18,888
   56,664 56,664

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
ELVPPassenger Elevator3.00 UNITS$143,0001
ELVPPassenger Elevator3.00 UNITS$145,6003
ELVPPassenger Elevator3.00 UNITS$149,1004
OHDOverhead Door1.00 UNITS$2,0002
ELVPPassenger Elevator3.00 UNITS$100,5002
OHDOverhead Door1.00 UNITS$2,4003
OHDOverhead Door1.00 UNITS$2,8001
CLR1COMM COOLER225.00 S.F.$37,7001
LDL1LOAD LEVELERS1.00 UNITS$7,7002
LODock-Levlers1.00 UNITS$3,2003
XFOFBClass B Office18888.00 UNITS$04
LDL1LOAD LEVELERS1.00 UNITS$4,8001
XFOFBClass B Office18888.00 UNITS$04
XFOFBClass B Office39795.00 UNITS$03
XFOFBClass B Office18888.00 UNITS$04
XFOFBClass B Office29862.00 UNITS$02
XFOFBClass B Office40645.00 UNITS$03
XFOFBClass B Office40645.00 UNITS$03
XFRDVResearch + D28849.00 UNITS$02
XFRDVResearch + D29862.00 UNITS$02
XFOFBClass B Office28151.00 UNITS$01
XFOFBClass B Office28231.00 UNITS$01
XFOFBClass B Office28231.00 UNITS$01

Land
Land Use
Use Code340C
DescriptionGEN-OFFICE  
ZoneM
Neighborhood200
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)25.51
Frontage
Depth
Total Market Land$8,203,300
Appraised Value$8,203,300

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHD1SHED AV  120.00 S.F.$2,3004
PAV1PAVEMENT-ASPHALT  400000.00 S.F.$1,300,0001
LT1Light Single  20.00 UNITS$864,0001
LT2Light Double  20.00 UNITS$576,0001
BNStg Bunker  480.00 S.F.$2,9001
SN2Two Sided Sign  32.00 S.F.$1,7001
TWWater Tank  50000.00 UNITS$02
Valuation History
Appraisal
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2025$28,696,800$598,800$2,746,900$7,812,500$39,855,000
2024$28,627,800$0$1,185,500$7,768,400$37,581,700
2023$29,588,800$0$1,208,900$7,072,900$37,870,600
2022$26,583,100$0$1,101,200$6,440,600$34,124,900

Assessment
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2025$28,696,800$598,800$2,746,900$7,812,500$39,855,000
2024$28,627,800$0$1,185,500$7,768,400$37,581,700
2023$29,588,800$0$1,208,900$7,072,900$37,870,600
2022$26,583,100$0$1,101,200$6,440,600$34,124,900

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