27 HARTWELL AVE
 Sales  Print
 Field Card
 Map It


Location
27 HARTWELL AVE
Mblu
85/ / 10B/ /
Acct#
Owner
XENON PROPERTY LLC
Total Market Value
$24,859,000
PID
11797
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$21,488,000$3,371,000$24,859,000

Owner of Record
OwnerXENON PROPERTY LLC
Co-Owner
AddressPO BOX 2090

WARREN, MI 48090
Sale Price$54,560,000
Certificate
Book & Page 80770/0336
Sale Date09/29/2022
Instrument1F

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
XENON PROPERTY LLC$54,560,000 80770/03361F09/29/2022
XENON PROPERTY LLC$55,600,000 80276/01901N06/14/2022
ALEXANDRIA REAL ESTATE EQUITIES INC$0 42272/05701A03/19/2004
ARE-29 HARTWELL AVENUE LLC$8,460,000 32434/02151O02/28/2001
THE MCGRAW-HILL COMPANIES INC$10 32031/04431A11/15/2000

Building Information
Building 1 : Section 1
Year Built: 1972
Living Area: 57,942
Replacement Cost: $26,637,705
Building Percent Good: 80
Replacement Cost
Less Depreciation:
$21,310,000
Building Attributes
FieldDescription
Style:LAB/OFFICE
ModelIndustrial
GradeB-
Stories:3
Occupancy1.00
Exterior Wall 1PRE-FIN METAL
Exterior Wall 2 
Roof StructureFLAT
Roof CoverT&G RESDEN
Interior Wall 1SKIM COAT PLST
Interior Wall 2 
Interior Floor 1CER/CLAY/TILE
Interior Floor 2 
Heating FuelGAS
Heating TypeFORCED AIR DUC
AC TypeCENTRAL
Bldg UseLAB OFFICE
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:345I
Heat/ACHEAT/AC SPLIT
Frame TypeSPECIAL
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
BASFirst Floor 47,136 47,136
FUSUpper Story, Finished 10,806 10,806
CANCanopy 730 0
   58,672 57,942

Extra Features
Extra Features
CodeDescriptionSizeBldg #
ELVElevator2.00 Story1
SPR1SPRINKLERS-WET57942.00 S.F.1

Land
Land Use
Use Code4060
DescriptionLAB OFFICE  
ZoneCM
NeighborhoodB
Alt Land ApprNo
Category
Land Line Valuation
Size (Sqr Feet)187308
Frontage255
Depth0
Total Market Land$3,371,000

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeBldg #
PAV1PAVING-ASPHALT  45000.00 S.F.1
PAT1PATIO-AVG  1362.00 S.F.1
LT1LIGHTS-IN W/PL  7.00 UNITS1
SGN2DOUBLE SIDED  25.00 S.F.&HGT1
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2026$21,488,000$3,371,000$24,859,000
2025$23,391,000$3,354,000$26,745,000
2024$22,933,000$3,194,000$26,127,000
2023$20,600,000$2,908,000$23,508,000

All locations identified on Google, Yahoo, and Bing maps are approximate and may not be exact


Go To Google Maps

Go To Microsoft Bing Maps