6 BERTHA AVE
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Location
6 BERTHA AVE
Mblu
R27/ 8/ 11/ /
Acct#
Owner
DEBORAH L CALLAHAN TESTAMENTARY TRUST
PBN
Total Market Value
$294,300
Appraisal
$294,300
PID
4505
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$219,700$74,600$294,300
Assessment
Valuation YearImprovementsLandTotal
2026$219,700$74,600$294,300

Owner of Record
OwnerDEBORAH L CALLAHAN TESTAMENTARY TRUST
Co-OwnerCALLAHAN MATTHEW D - TRUSTEE
Address6 BERTHA AVE
GARDNER, MA 01440
Sale Price$1
Certificate
Book & Page 72724/131
Sale Date10/24/2025
Instrument1H

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
DEBORAH L CALLAHAN TESTAMENTARY TRUST$1 72724/1311H10/24/2025
CALLAHAN WILLIAM D$1 71895/3791A04/24/2025
CALLAHAN INVESTMENT TRUST$1 60940/1781A08/26/2019
CALLAHAN WILLIAM D & DEBORAH L$19,700 05636/01150012/11/1974

Building Information
Building 1 : Section 1
Year Built: 1952
Living Area: 1,461
Replacement Cost: $358,758
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$215,300
Building Attributes
FieldDescription
Style:Cape Cod
ModelResidential
Grade:Average
Stories:1 Story
Occupancy1
Exterior Wall 1Vinyl Siding
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2Plastered
Interior Flr 1Hardwood
Interior Flr 2Carpet
Heat FuelOil
Heat Type:Hot Water
AC Type:None
Total Bedrooms:3 Bedrooms
Total Bthrms:1
Total Half Baths:0
Total Xtra Fixtrs: 
Total Rooms:6 Rooms
Bath Style:Average
Kitchen Style:Average
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 1,144 1,144
EAFAttic, Expansion, Finished 704 317
CTHCathedral 440 0
FBMBasement, Finished 256 0
FEPPorch, Enclosed, Finished 65 0
UBMBasement, Unfinished 888 0
WDKDeck, Wood 160 0
   3,657 1,461

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPL2Fireplce 1.5 S1.00 UNITS$2,4001
FLU2Flue - Brick1.00 UNITS$5001

Land
Land Use
Use Code1010
DescriptionSingle Fam MDL-01  
ZoneR1
Neighborhood
Alt Land ApprNo
Category
Land Line Valuation
Size (Sqr Feet)8739
Frontage0
Depth0
Total Market Land$74,600
Appraised Value$74,600

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHD1Shed - A  128.00 S.F.$7001
PAT1Patio - A  240.00 S.F.$8001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$214,700$67,800$282,500
2024$218,500$61,600$280,100
2023$180,100$60,700$240,800

Assessment
Valuation YearImprovementsLandTotal
2025$214,700$67,800$282,500
2024$218,500$61,600$280,100
2023$180,100$60,700$240,800

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