4 ONION HILL RD
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Location
4 ONION HILL RD
Mblu
E13/ / 024/000 /
Acct#
13488
Owner
MASTER JONATHAN DAVID
Assessed Value
$1,201,000
Appraisal
$1,715,700
PID
9344
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$815,700$900,000$1,715,700
Assessment
Valuation YearImprovementsLandTotal
2025$571,000$630,000$1,201,000

Owner of Record
OwnerMASTER JONATHAN DAVID
Co-OwnerMASTER DANIELLE NICOLE PIERCE
Address4 ONION HILL RD

WESTPORT, CT 06880
Sale Price$860,000
Book & Page 4009/0187
Sale Date05/29/2020
Instrument00

Ownership History
Ownership History
OwnerSale PriceBook & PageInstrumentSale Date
MASTER JONATHAN DAVID$860,0004009/01870005/29/2020
BLUMENTHAL ALICE AND SARAH$955,0003414/03180004/02/2013
JAY HERBERT L & CHARLOTTE M$650,0001163/01620006/15/1992

Building Information
Building 1 : Section 1
Year Built: 1965
Living Area: 3,825
Building Attributes
FieldDescription
Style:Colonial
ModelResidential
Grade:B+
Stories:2 Stories
Occupancy1
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof Structure:Gable
Roof CoverAsphalt Shingl
Interior Wall 1Drywall
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2 
Heat FuelGas
Heat Type:Hot Water
AC Type:Central
Total Bedrooms:4 Bedrooms
Total Bthrms:4 Full Baths
Total Half Baths:1 Half Bath
Total Xtra Fixtrs:3
Total Rooms:10 Rooms
Bath Style:Average
Kitchen Style:Modern
Kitchens1
Whirlpool Tubs 
Hot Tubs 
Sauna (SF Area) 
Fin Basement781
Fin Bsmt QualLiving Area Q
Bsmt. Garages0
Interior CondA
Fireplaces2
Ceiling Height8.00
Elevator 
SprinklersYes
Acc Apts 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 2,556 2,556
FUSUpper Story, Finished 1,269 1,269
BSMBasement Area 1,528 0
EPLPool Enclosure 1,491 0
FGRGarage 440 0
FOPPorch, Open 69 0
PTSPatio - Stone 276 0
SLBSlab 1,007 0
UATAttic, Unfinished 260 0
VLTVaulted Ceiling 1,491 0
   10,387 3,825

Extra Features
Extra Features
CodeDescriptionSizeValueAssessed ValueBldg #
SPLIndoor Pool800.00 S.F.$31,100$21,8001
GENGenerator1.00 UNITS$0$01

Land
Land Use
Use Code101
DescriptionSingle Family Res  
ZoneAA
Land Line Valuation
Size (Acres)1
Assessed Value$630,000
Appraised Value$900,000

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$815,700$900,000$1,715,700
2024$525,400$518,400$1,043,800
2023$525,400$518,400$1,043,800

Assessment
Valuation YearImprovementsLandTotal
2025$571,000$630,000$1,201,000
2024$367,800$362,900$730,700
2023$367,800$362,900$730,700

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