11 WEST BRANCH RD
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Location
11 WEST BRANCH RD
Mblu
C16/ / 027/000 /
Acct#
4311
Owner
COSTELLO SEAN M AND LAUREN B
Assessed Value
$2,708,300
Appraisal
$3,869,100
PID
305
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$2,512,500$1,356,600$3,869,100
Assessment
Valuation YearImprovementsLandTotal
2025$1,758,700$949,600$2,708,300

Owner of Record
OwnerCOSTELLO SEAN M AND LAUREN B
Co-Owner
Address11 WEST BRANCH RD
WESTPORT, CT 06880
Sale Price$2,360,000
Book & Page 3780/0120
Sale Date05/01/2017
Instrument00

Ownership History
Ownership History
OwnerSale PriceBook & PageInstrumentSale Date
COSTELLO SEAN M AND LAUREN B$2,360,0003780/01200005/01/2017
WEST BRANCH LLC$3,000,0003288/00240003/20/2012
GRECO THOMAS R & CORRINE$3,600,0003032/01200010/16/2009
REID JULIE A AND LINDA L WOLF$3,775,0002752/02940012/18/2006
FYBER DEVELOPMENT LLC$1,200,0002742/03010011/20/2006

Building Information
Building 1 : Section 1
Year Built: 2005
Living Area: 6,101
Building Attributes
FieldDescription
Style:Custom Colonial
ModelResidential
Grade:Type III
Stories:2 1/4 Stories
Occupancy1
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof Structure:Gable
Roof CoverWood Shingle
Interior Wall 1Drywall
Interior Wall 2Cust Wd Panel
Interior Flr 1Hardwood
Interior Flr 2 
Heat FuelGas
Heat Type:HydroAir
AC Type:Central
Total Bedrooms:5 Bedrooms
Total Bthrms:6 Full Baths
Total Half Baths:1 Half Bath
Total Xtra Fixtrs:4
Total Rooms:12 Rooms
Bath Style:Modern
Kitchen Style:Modern
Kitchens1
Whirlpool Tubs1
Hot Tubs 
Sauna (SF Area) 
Fin Basement1656
Fin Bsmt QualLiving Area Q
Bsmt. Garages 
Interior CondA
Fireplaces4
Ceiling Height9.00
Elevator 
SprinklersNo
Acc Apts 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 2,789 2,789
FUSUpper Story, Finished 2,489 2,489
TQSThree Quarter Story 840 672
EAFAttic, Expansion, Finished 336 151
BSMBasement Area 2,789 0
CTHCathedral Ceiling 306 0
EAUAttic, Expansion, Unfinished 1,786 0
FGRGarage 1,176 0
FOPPorch, Open 168 0
FSPPorch, Screen 256 0
PTSPatio - Stone 986 0
UATAttic, Unfinished 28 0
   13,949 6,101

Extra Features
Extra Features
CodeDescriptionSizeValueAssessed ValueBldg #
GENGenerator1.00 UNITS$0$01

Land
Land Use
Use Code201
DescriptionSingle Family Res  
ZoneAAA
Land Line Valuation
Size (Acres)2.01
Assessed Value$949,600
Appraised Value$1,356,600

Outbuildings
Outbuildings
CodeDescriptionSizeValueAssessed ValueBldg #
SHD1Shed96.00 S.F.$0$01
SPL1InGround Pool800.00 S.F.$70,200$49,1001
PAT1Patio1500.00 S.F.$32,400$22,7001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$2,512,500$1,356,600$3,869,100
2024$1,781,000$837,400$2,618,400
2023$1,755,000$837,400$2,592,400

Assessment
Valuation YearImprovementsLandTotal
2025$1,758,700$949,600$2,708,300
2024$1,246,700$586,200$1,832,900
2023$1,228,500$586,200$1,814,700

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