121 TECHNOLOGY DRIVE
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Location
121 TECHNOLOGY DRIVE
Mblu
204/ / 2/0 0/0
Owner
121 TECH OWNER LLC
Assessment
$41,118,463
Appraisal
$41,711,600
PID
1006
Building Count
1
Location
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$37,405,700$4,305,900$41,711,600
Assessment
Valuation YearImprovementsLandTotal
2025$37,405,700$3,712,763$41,118,463

Parcel Addreses
Additional Addresses

No Additional Addresses available for this parcel


Owner of Record
Owner121 TECH OWNER LLC
Co-Owner
Address55 CAMBRIDGE STREET
BURLINGTON, MA 01803
Sale Price$21,000,000
Certificate
Book & Page 4967/0908
Sale Date10/19/2021
Instrument21

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
121 TECH OWNER LLC$21,000,000 4967/09082110/19/2021
LEXINGTON DURHAM LIMITED PARTNERSHIP$0 0000/0000 02/17/2004
PREFCO XXV LTD PARTNERSHIP$0 2291/03991N04/03/2001
HARRIS GRAPHICS CORPORATION$0 0000/0000 06/01/1990

Building Information
Building 1 : Section 1
Year Built: 1986
Living Area: 495,685
Replacement Cost: $55,987,374
Building Percent Good: 58
Replacement Cost
Less Depreciation:
$32,472,700
Building Attributes
FieldDescription
Style:Research/Devel
ModelCommercial
GradeAverage
Stories:2
Occupancy1.00
Exterior Wall 1Pre-finsh Metl
Exterior Wall 2 
Roof StructureFlat
Roof CoverRubberMembrane
Interior Wall 1Drywall/Sheet
Interior Wall 2Minim/Masonry
Interior Floor 1Concr-Finished
Interior Floor 2Carpet
Heating FuelGas
Heating TypeForced Air-Duc
AC TypeNone
Struct Class 
Bldg UseR-D FACIL
Total Rooms 
Total Bedrms 
Total Baths 
1st Floor Use:4040
Heat/ACHEAT/AC PKGS
Frame TypeSTEEL
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 356,248 356,248
FUSUpper Story, Finished 139,437 139,437
CANCanopy 1,228 0
USTUtility, Storage, Unfinished 3,721 0
   500,634 495,685

Extra Features
Extra Features
CodeDescriptionSizeAssessed Value
SPR2WET/CONCEALED538205.00 S.F.$2,029,000
LDL1LOAD LEVELERS7.00 UNITS$38,200
MEZ1MEZZANINE-UNF3640.00 S.F.$50,700
MEZ1MEZZANINE-UNF4418.00 S.F.$61,500
MEZ1MEZZANINE-UNF1344.00 S.F.$18,700
ELEVELEVATOR COMM3.00 STOPS$145,300
ELEVELEVATOR COMM2.00 STOPS$96,900

Parcel Information
Use Code4040
DescriptionR-D FACIL  
Deeded Acres142.77

Land
Land Use
Use Code4040
DescriptionR-D FACIL  
ZoneORLI
Neighborhood55
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)142.77
Frontage0
Depth0
Assessed Value$3,712,763
Appraised Value$4,305,900

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeAssessed Value
PAV1PAVING-ASPHALT  500000.00 S.F.$0
MSC38PUMPHOUSE  1.00 UNIT$20,000
LT2W/DOUBLE LIGHT  22.00 UNITS$24,400
LT1LIGHTS-IN W/PL  52.00 UNITS$44,200
PAV2PAVING-CONC  600.00 S.F.$0
MSC12FREIGHT ELEVAT  1.00 UNIT$38,400
FN4FENCE-8' CHAIN  84.00 L.F.$1,600
PKSPPARKING SPACE  800.00 UNITS$2,000,000
PAT1PATIO-AVG  4200.00 S.F.$44,100
GENCGenerator Comm  400.00 KW$320,000
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$37,405,700$4,305,900$41,711,600
2024$19,103,100$4,305,900$23,409,000
2023$18,854,400$4,305,900$23,160,300

Assessment
Valuation YearImprovementsLandTotal
2025$37,405,700$3,712,763$41,118,463
2024$19,103,100$3,712,140$22,815,240
2023$18,854,400$3,712,542$22,566,942

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