521 MAMMOTH RD
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Location
521 MAMMOTH RD
Mblu
015/ 170/ 0/ /
Acct#
2731
Owner
DENEAULT, PATRICIA LOUISE REVOCABLE TRUST OF 2025
PBN
Assessment
$505,100
Appraisal
$505,100
PID
2697
Building Count
2
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$316,900$188,200$505,100
Assessment
Valuation YearImprovementsLandTotal
2025$316,900$188,200$505,100

Owner of Record
OwnerDENEAULT, PATRICIA LOUISE REVOCABLE TRUST OF 2025
Co-OwnerDENEAULT, PATRICIA LOUISE; TRUSTEE
AddressPO BOX 1015

LONDONDERRY, NH 03053
Sale Price$0
Certificate
Book & Page 6632/1684
Sale Date07/07/2025
Instrument28

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
DENEAULT, PATRICIA LOUISE REVOCABLE TRUST OF 2025$0 6632/16842807/07/2025
LONGMAID WILLIAM H$235,000 4190/25449911/12/2003

Building Information
Building 1 : Section 1
Year Built: 1850
Living Area: 1,781
Replacement Cost: $400,193
Building Percent Good: 71
Replacement Cost
Less Depreciation:
$284,100
Building Attributes
FieldDescription
StyleOld Style
ModelResidential
GradeGood (-)
Stories1.75
FoundationBrickstone
Exterior Wall 1Vinyl
Exterior Wall 2 
Roof StructureGable
Roof CoverAsphalt
Interior Wall 1Plaster
Interior Wall 2 
Interior Floor 1Hardwood
Interior Floor 2 
Heat FuelOil
Heat TypeSteam
AC Percent0
Bedrooms4
Full Baths2
Half Baths0
Extra Fixtures1
Total Rooms6
Bath RatingAverage
Kitchen RatingAverage
Extra Kitchens0
Interior/ExteriorSame
2nd Floor % 
Fireplace Rating 
MH Park 
ElectricTypical
InsulationTypical
Unfinished Area 
Fireplace(s)0
2nd Ext Wall % 
Basement Area 
Bsmt Garage0
WS Flues 
2nd Heat Type 
# Heat Systems 
% Heated 
View 
FrameWood
Basement FloorConcrete
# of Units1
WS Flue Rating 
Solar Hot WaterNo
Central VacNo
2nd % Heated 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 1,328 1,328
TQSThree Quarter Story 656 453
CANCanopy 144 0
CRLCrawl Space 492 0
FEPEnclosed Porch 352 0
FOPOpen Porch 15 0
UBMUnfinished Basement 656 0
UQS3/4 Story - Unfinished 492 0
   4,135 1,781
Building 2 : Section 1
Year Built:
Living Area: 0
Replacement Cost: $0
Building Percent Good:
Replacement Cost
Less Depreciation:
$0
Building Attributes : Bldg 2 of 2
FieldDescription
StyleAccessory Bldg
Model
Grade
Stories
Foundation
Exterior Wall 1
Exterior Wall 2
Roof Structure
Roof Cover
Interior Wall 1
Interior Wall 2
Interior Floor 1 
Interior Floor 2
Heat Fuel
Heat Type
AC Percent
Bedrooms
Full Baths
Half Baths
Extra Fixtures
Total Rooms
Bath Rating
Kitchen Rating
Extra Kitchens
Interior/Exterior
2nd Floor %
Fireplace Rating
MH Park
Electric
Insulation
Unfinished Area
Fireplace(s)
2nd Ext Wall %
Basement Area
Bsmt Garage
WS Flues
2nd Heat Type
# Heat Systems
% Heated
View
Frame
Basement Floor
# of Units
WS Flue Rating
Solar Hot Water
Central Vac
2nd % Heated
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)

No Data for Building Sub-Areas


Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
GENRGenerator WH Res1.00 EACH$5,7001
MINIMini Split2.00 Head$01

Land
Land Use
Use Code1010
DescriptionSingle Family  
ZoneC-I
Neighborhood140
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.6
Frontage
Depth
Assessed Value$188,200
Appraised Value$188,200

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHDFShed Frame  480.00 SF$4,3001
BRN1Barn 1 Sty  960.00 SF$22,8002
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$316,900$188,200$505,100
2025$316,900$188,200$505,100
2025$277,000$167,600$444,600

Assessment
Valuation YearImprovementsLandTotal
2025$316,900$188,200$505,100
2025$316,900$188,200$505,100
2025$277,000$167,600$444,600

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