420 MAPLE AVE
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Location
420 MAPLE AVE
MBLU
004/ 156/ / /
Acct#
00073900
Owner
COSTELLO RICHARD G &
Total Market Value
$1,181,300
Appraisal
$1,687,400
PID
3960
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2023$414,900$1,272,500$1,687,400
Assessment
Valuation YearImprovementsLandTotal
2023$290,500$890,800$1,181,300

Owner of Record
OwnerCOSTELLO RICHARD G &
Co-OwnerCOSTELLO BETH A
Address420 MAPLE AVE

OLD SAYBROOK, CT 06475
Sale Price$2,150,000
Certificate
Book & Page 708/1038
Sale Date08/14/2026
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
GREY SUZANNE S$1,099,000 0463/0785UNKQ06/09/2004
CLARKE JAMES E JR & JOANNE L$805,000 0399/0183UNKQ09/28/2001
JOHNS FAY J$200,000 0301/0591 12/18/1992

Building Information
Building 1 : Section 1
Year Built: 1928
Living Area: 1,900
Building Attributes
FieldDescription
Style:Colonial
ModelResidential
Grade:Good
Stories:2 Stories
Occupancy1
Exterior Wall 1Vinyl Siding
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2 
Heat FuelOil
Heat Type:Forced Air-Duc
AC Type:Central
Total Bedrooms:3 Bedrooms
Total Bthrms:2
Total Half Baths:1
Total Xtra Fixtrs: 
Total Rooms:7
Bath Style:Average
Kitchen Style:Average
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 970 970
BASFirst Floor 930 930
FEPPorch, Enclosed,Framed 370 0
FGRGarage 360 0
UBMBasement, Unfinished 144 0
WDKDeck, Wood 435 0
   3,209 1,900

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPL4GAS FIREPLACE1.00 UNITS$2,0001
FPL32 STORY CHIM1.00 UNITS$4,0001

Land
Land Use
Use Code1010
DescriptionSingle Family  
ZoneA
Neighborhood0500
Land Line Valuation
Size (Acres)0.25
Depth0
Total Market Land$890,800
Appraised Value$1,272,500

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHD1SHED FRAME  80.00 S.F.$1,4001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$414,900$1,272,500$1,687,400
2024$414,900$1,272,500$1,687,400
2023$414,900$1,272,500$1,687,400

Assessment
Valuation YearImprovementsLandTotal
2025$290,500$890,800$1,181,300
2024$290,500$890,800$1,181,300
2023$290,500$890,800$1,181,300

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