100 TALCOTT AV
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Location
100 TALCOTT AV
Mblu
1301/ 1/ 1100T/ /
Acct#
12470
Owner
ARE-MA REGION NO. 75 LLC
Total Market Value
$55,168,400
PID
12470
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$55,168,400$0$55,168,400

Owner of Record
OwnerARE-MA REGION NO. 75 LLC
Co-OwnerC/O ALEXANDRIA REAL ESTATE
AddressPO BOX 847
CARLSBAD, CA 92018
Sale Price$525,500,000
Certificate
Book & Page 73848/56
Sale Date12/18/2019
Instrument1O

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
ARE-MA REGION NO. 75 LLC $525,500,000 73848/561O12/18/2019
ATHENA ARSENAL LLC $168,500,000 61782/351U05/13/2013
HARVARD UNIVERSITY $162,641,904 32863/5261D05/15/2001
CHARLES RIVER BUS CTR ASSOC. $20,100,00029502/09229502/0921O12/10/1998
UNITED STATES OF AMERICA$7,500,00029012/42229012/4221E08/25/1998

Building Information
Building 1 : Section 1
Year Built: 1862
Living Area: 101,898
Replacement Cost: $68,009,765
Building Percent Good: 79
Replacement Cost
Less Depreciation:
$53,727,700
Building Attributes
FieldDescription
StyleResearch/Devel
ModelCommercial
GradeVery Good
Stories2
Exterior Wall 1Brick
Exterior Wall 2 
Roof StructureGable
Roof CoverSlate
Int Wall 1Minimum
Int Wall 2 
Int Floor 1Carpet
Int Floor 2 
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Full Baths8
Half Baths 
FrameSteel
Plumbing 
Wall Height18.00
Fireplace(s)0
Fireplace RatingAverage
Kitchen RatingNone
% Sprinkler100
Half Bath RatingNone
Living Units2
Full Bath RatingGood
Kitchens0
Bsmt Garage0
FoundationBrick/Stn
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 65,724 65,724
BASBase Floor 36,174 36,174
UBMBasement, Unfinished 32,862 0
   134,760 101,898

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
ELV1Pass Elev 1-3stop4.00 UNITS$115,0001
ELV1Pass Elev 1-3stop4.00 UNITS$306,4001
MSC18Crane50.00 UNITS$1,5001

Land
Land Use
Use Code404C
DescriptionR+D BLD  
Zone
NeighborhoodCE
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0
Frontage
Depth
Total Market Land$0

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
PAV1Paving-Asphalt  73500.00 S.F$270,5001
LT2W/Double Light  1.00 UNITS$15,5001
LT1Lights-In W/Pl  1.00 UNITS$18,6001
PAV1Paving-Asphalt  6795.00 S.F$25,0001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
PAV1Paving-Asphalt  8505.00 S.F$31,3001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
PAV1Paving-Asphalt  6515.00 S.F$24,0001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
PAV1Paving-Asphalt  22800.00 S.F$83,9001
LT2W/Double Light  3.00 UNITS$5,2001
LT1Lights-In W/Pl  6.00 UNITS$6,2001
PAV1Paving-Asphalt  9450.00 S.F$34,8001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
PAV1Paving-Asphalt  4050.00 S.F$14,9001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
PAV1Paving-Asphalt  2040.00 S.F$7,5001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
PAV1Paving-Asphalt  945.00 S.F$3,5001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  1.00 UNITS$1,0001
PAV1Paving-Asphalt  450.00 S.F$1,7001
LT1Lights-In W/Pl  1.00 UNITS$1,0001
PAV1Paving-Asphalt  12450.00 S.F$45,8001
LT2W/Double Light  1.00 UNITS$1,7001
LT1Lights-In W/Pl  2.00 UNITS$2,1001
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$398,835,500$134,308,400$533,143,900
2024$407,715,992$92,626,500$500,576,992
2023$337,262,900$67,724,000$405,221,400

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