7 WILLIAM AVE
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Location
7 WILLIAM AVE
Mblu
105/ / 006/ 002/004
Acct#
C4608R
Owner
COSTA TROY L
Total Market Value
$478,700
PID
6350
Building Count
1
User Field 4
User Field 5
Topography
Utility
Location
Street/Road
Current Value
Assessment
Valuation YearImprovementsLandTotal
2025$339,200$139,500$478,700

Owner of Record
OwnerCOSTA TROY L
Co-OwnerCOSTA SUSAN M
Address7 WILLIAM AVE
SACO, ME 04072
Sale Price$144,900
Certificate
Book & Page 9495/0032
Sale Date05/28/1999
InstrumentUNKQ

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
COSTA TROY L $144,900 9495/0032UNKQ05/28/1999

Building Information
Building 1 : Section 1
Year Built: 1999
Living Area: 1,941
Replacement Cost: $384,340
Building Percent Good: 87
Replacement Cost
Less Depreciation:
$334,400
Building Attributes
FieldDescription
Style:Salt Box
ModelResidential
Grade:Good
Stories:1 3/4 Stories
Occupancy1
Exterior Wall 1Vinyl Siding
Exterior Wall 2 
Roof Structure:Salt Box
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Carpet
Interior Flr 2Hardwood
Heat FuelOil
Heat Type:Hot Water
AC Type:None
Total Bedrooms:3 Bedrooms
Total Bthrms:1
Total Half Baths:1
Total Xtra Fixtrs:0
Total Rooms:7
Bath Style:Modern
Kitchen Style:Very Good
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
TQSThree Quarter Story 1,436 1,077
BASFirst Floor 864 864
FGRGarage, Framed 572 0
UBMBasement, Unfinished 864 0
USTUtility, Storage, Unfinished 30 0
WDKDeck, Wood 381 0
   4,147 1,941

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
SKYSKYLIGHT5.00 UNITS$4,8001

Land
Land Use
Use Code1010
DescriptionSINGLE FAM MDL-01  
ZoneRC
Neighborhood143
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.46
Frontage
Depth
Total Market Land$139,500

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$321,200$139,500$460,700
2024$321,200$139,500$460,700
2023$321,200$139,500$460,700
2022$225,300$106,200$331,500
Valuation History
Exemptions
Exemption YearCodeDescriptionAmount
200224HOMESTEAD$25,000
Visit History
Visit History
Visit DatePurpose of VisitNotes
8/15/2025Measur/Inf/Dr Info taken at door. 
8/15/2025Measur+1Visit 
12/11/2015ListedCHG'D UGR TO FGR
1/17/2008Listed NOHCURRENT INFO
7/3/2007Measur+1VisitSPOKE WITH OWNER-UNFIN. BATHROOM USED AS STORAGE
5/23/2006No changeBATHROOM STILL NOT FINISHED
2/1/2005HearingsCHECKED "GRADE" ON 2-8-2005 DAN ADJ GRADE ON 2-9-05
3/30/2004Measur+Listed 
2/8/2004Measur+Listed 
5/7/2003Listed NOH 

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