1050 WALTHAM ST
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Location
1050 WALTHAM ST
Mblu
5/ / 14/ /
Acct#
Owner
REVOLUTION LABS OWNER LLC
Total Market Value
$94,835,000
PID
390
Building Count
2
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$89,271,000$5,564,000$94,835,000

Owner of Record
OwnerREVOLUTION LABS OWNER LLC
Co-OwnerGREATLAND REALTY PARTNERS, LAUREN SULLIVAN
Address1 FEDERAL ST #1810
BOSTON, MA 02110
Sale Price$23,200,000
Certificate
Book & Page 75953/0125
Sale Date10/22/2020
Instrument1U

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
REVOLUTION LABS OWNER LLC$23,200,000 75953/01251U10/22/2020
BH GRP 1050 WALTHAM OWNER LLC$7,000,000 72512/00670004/26/2019
G ARNOLD HAYNES INC$0 12196/0519  

Building Information
Building 1 : Section 1
Year Built: 2022
Living Area: 178,931
Replacement Cost: $87,840,270
Building Percent Good: 98
Replacement Cost
Less Depreciation:
$86,083,000
Building Attributes
FieldDescription
Style:LAB/OFFICE
ModelIndustrial
GradeB+
Stories:2
Occupancy1.00
Exterior Wall 1BRICK VENEER
Exterior Wall 2 
Roof StructureFLAT
Roof CoverASPH/FBGL/COMP
Interior Wall 1DRYWALL/SHTRK
Interior Wall 2 
Interior Floor 1VINYL/ASPHALT
Interior Floor 2 
Heating FuelGAS
Heating TypeFloor Furnace
AC TypeCENTRAL
Bldg UseOFFICE BLD MDL-94
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:4060
Heat/ACHEAT/AC SPLIT
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 90,954 90,954
BASFirst Floor 87,977 87,977
   178,931 178,931
Building 2 : Section 1
Year Built: 2021
Living Area: 37,500
Replacement Cost: $3,213,525
Building Percent Good: 96
Replacement Cost
Less Depreciation:
$3,085,000
Building Attributes : Bldg 2 of 2
FieldDescription
Style:Garage/Office
ModelIndustrial
GradeC
Stories:5
Occupancy1.00
Exterior Wall 1REINFRCD CONCR
Exterior Wall 2 
Roof StructureReinforc Concr
Roof CoverCONCRETE TILE
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1CONCRETE FIN
Interior Floor 2 
Heating FuelAverage
Heating TypeNone
AC TypeNONE
Bldg UsePARK GAR
Total Rooms 
Total Bedrms 
Total Baths 
1st Floor Use:3360
Heat/ACNONE
Frame TypeREINF. CONCR
Baths/PlumbingNONE
Ceiling/WallNONE
Rooms/PrtnsLIGHT
Wall Height 
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 30,000 30,000
BASFirst Floor 7,500 7,500
   37,500 37,500

Extra Features
Extra Features
CodeDescriptionSizeBldg #
ELVElevator3.00 Story1

Land
Land Use
Use Code4060
DescriptionLAB OFFICE  
ZonePD-5
NeighborhoodB
Alt Land ApprNo
Category
Land Line Valuation
Size (Sqr Feet)217800
Frontage
Depth0
Total Market Land$5,564,000

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Assessment
Valuation YearImprovementsLandTotal
2026$89,271,000$5,564,000$94,835,000
2025$101,050,000$5,532,000$106,582,000
2024$101,227,000$5,269,000$106,496,000
2023$60,719,000$2,944,000$63,663,000

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