344 WINCHESTER AV
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Location
344 WINCHESTER AV
Mblu
285/ 0392/ 00100/ /
Acct#
285 0392 00100
Owner
RENAISSANCE I LLC
Total Market Value
$16,451,960
Appraisal
$23,502,800
PID
17136
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$21,250,000$2,252,800$23,502,800
Assessment
Valuation YearImprovementsLandTotal
2025$14,875,000$1,576,960$16,451,960

Owner of Record
OwnerRENAISSANCE I LLC
Co-Owner
AddressC/O WINSTANLEY ENTERPRISES
150 BAKER AVE EXT STE 303
CONCORD, MA 01742
Sale Price$0
Certificate
Book & Page 9156/0337
Sale Date06/13/2014
Instrument25

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
RENAISSANCE I LLC$0 9156/03372506/13/2014
SCIENCE PARK DEVELOPMENT CORPORATION$0 4616/0042 06/09/1993

Building Information
Building 1 : Section 1
Year Built: 1994
Living Area: 227,326
Replacement Cost: $22,944,908
Building Percent Good: 88
Replacement Cost
Less Depreciation:
$20,191,500
Building Attributes
FieldDescription
Style:Whse/Office
ModelInd/Lg Com
GradeGood
Stories:1
Occupancy1.00
Exterior Wall 1Brick
Exterior Wall 2Concr/Cinder
Roof StructureFlat
Roof CoverT&G/Rubber
Interior Wall 1Drywall/Plaste
Interior Wall 2Minim/Masonry
Interior Floor 1Carpet
Interior Floor 2Concr-Finished
Heating FuelGas/Oil
Heating TypeHot Air-no Duc
AC TypeCentral
Bldg UseINDUSTRIAL MDL-96
Total Rooms 
Total Bedrms00
Total Baths0
NBHD Code 
1st Floor Use:4000
Heat/ACHEAT/AC PKGS
Frame TypeSTEEL
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & MIN WL
Rooms/PrtnsAVERAGE
Wall Height22.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 125,626 125,626
AOFOffice 101,700 101,700
FEPEnclosed Porch 414 0
FOPOpen Porch 680 0
UBMUnfinished Basement 24,900 0
   253,320 227,326

Extra Features
Extra Features
CodeDescriptionSizeValueAssessed ValueBldg #
SPR1SPRINKLERS-WET233245.00 S.F.$533,700$373,5901
MEZ1MEZZANINE-UNF6000.00 S.F.$66,000$46,2001
LDL1LOAD LEVELERS6.00 UNITS$19,000$13,3001

Land
Land Use
Use Code9045
DescriptionPVT UNIV MDL-96  
ZonePDD 49
NeighborhoodIND5
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)15.25
Frontage0
Depth0
Total Market Land$1,576,960
Appraised Value$2,252,800

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueAssessed ValueBldg #
PAV1PAVING-ASPHALT  200000.00 S.F.$410,000$287,0001
FN4FENCE-8' CHAIN  1500.00 L.F.$10,900$7,6301
LT1LIGHTS-IN W/PL  23.00 UNITS$12,100$8,4701
LT2W/DOUBLE LIGHT  2.00 UNITS$1,600$1,1201
LT4W/FOUR LIGHTS  4.00 UNITS$5,200$3,6401
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$21,250,000$2,252,800$23,502,800
2024$21,250,000$2,252,800$23,502,800
2023$21,250,000$2,252,800$23,502,800

Assessment
Valuation YearImprovementsLandTotal
2025$14,875,000$1,576,960$16,451,960
2024$14,875,000$1,576,960$16,451,960
2023$14,875,000$1,576,960$16,451,960

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