275 MAMMOTH RD
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Location
275 MAMMOTH RD
Mblu
009/ 048/ 0/ /
Acct#
7908
Owner
LONDONDERRY SCHOOL DISTRICT
PBN
Assessment
$19,025,100
Appraisal
$19,025,100
PID
7771
Building Count
3
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$14,773,700$4,251,400$19,025,100
Assessment
Valuation YearImprovementsLandTotal
2025$14,773,700$4,251,400$19,025,100

Owner of Record
OwnerLONDONDERRY SCHOOL DISTRICT
Co-Owner
Address6A KITTY HAWK LANDING
LONDONDERRY, NH 03053
Sale Price$0
Certificate
Book & Page 3662/0155
Sale Date10/24/2001
Instrument99

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
LONDONDERRY SCHOOL DISTRICT $0 3662/01559910/24/2001
UNKNOWN$0 2557/5630008/02/1985

Building Information
Building 1 : Section 1
Year Built: 1984
Living Area: 73,846
Replacement Cost: $16,772,548
Building Percent Good: 65
Replacement Cost
Less Depreciation:
$10,902,200
Building Attributes
FieldDescription
StyleElementary School
ModelCommercial
GradeGood (-)
Stories2
Occupancy0.00
Exterior Wall 1Conc Block
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar&Gravel
Interior Wall 1Drywall
Interior Wall 2 
Interior Floor 1Lino/Vinyl
Interior Floor 2 
Heat FuelOil
Heat TypeForced H/W
AC Percent100
Struct Class 
Bldg UsePublic School C
Total Rooms 
Bedrooms 
Full Baths 
Half Baths 
Extra Fixtures 
1st Floor Use 
Heat/ACHeat/AC Packaged
FrameConcrete
Baths/PlumbingAve
Ceiling/WallSusp Ceiling/Wall
Rooms/PartitionsTypical
Wall Height14.00
% Comn Wall0.00
Fireplace(s)0
Add Kit Rating 
Extra Fix Rating 
Fireplace Rating 
View 
2nd Floor % 
WS Flue Rating 
% Sprinkler0
Electric 
WS Flues 
2nd Heat Type 
Half Bath Rating 
Bldg Units1
Parcel Units3
Interior/Exterior 
Insulation 
Bath Rating 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 59,962 59,962
FUSFinished Upper Story 13,884 13,884
CANCanopy 1,430 0
FEPEnclosed Porch 75 0
   75,351 73,846
Building 2 : Section 1
Year Built: 2000
Living Area: 3,984
Replacement Cost: $370,376
Building Percent Good: 77
Replacement Cost
Less Depreciation:
$285,200
Building Attributes : Bldg 2 of 3
FieldDescription
StyleWarehouse
ModelIndustrial
GradeGood
Stories1
Occupancy0.00
Exterior Wall 1Vinyl
Exterior Wall 2 
Roof StructureGable
Roof CoverAsphalt
Interior Wall 1Drywall
Interior Wall 2 
Interior Floor 1Hardwood
Interior Floor 2 
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Struct Class 
Bldg UsePublic School C
Total Rooms 
Bedrooms 
Full Baths 
Half Baths 
Extra Fixtures 
1st Floor Use 
Heat/ACHeat/AC Packaged
FrameWood
Baths/PlumbingAve
Ceiling/WallSusp Ceiling/Wall
Rooms/PartitionsTypical
Wall Height14.00
% Comn Wall0.00
Fireplace(s)0
Add Kit Rating 
Extra Fix Rating 
Fireplace Rating 
View 
2nd Floor % 
WS Flue Rating 
% Sprinkler100
Electric 
WS Flues 
2nd Heat Type 
Half Bath Rating 
Bldg Units1
Parcel Units3
Interior/Exterior 
Insulation 
Bath Rating 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 3,984 3,984
FOPOpen Porch 228 0
   4,212 3,984
Building 3 : Section 1
Year Built: 2002
Living Area: 23,066
Replacement Cost: $4,307,652
Building Percent Good: 82
Replacement Cost
Less Depreciation:
$3,532,300
Building Attributes : Bldg 3 of 3
FieldDescription
StyleGymnasium
ModelCommercial
GradeGood
Stories1
Occupancy0.00
Exterior Wall 1Conc.Panel
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar&Gravel
Interior Wall 1Average
Interior Wall 2 
Interior Floor 1Hardwood
Interior Floor 2Concrete
Heat FuelGas
Heat TypeForced H/A
AC Percent100
Struct Class 
Bldg UsePublic School C
Total Rooms 
Bedrooms 
Full Baths 
Half Baths 
Extra Fixtures 
1st Floor Use 
Heat/ACHeat/AC Packaged
FrameConcrete
Baths/PlumbingAve
Ceiling/WallNone
Rooms/PartitionsTypical
Wall Height28.00
% Comn Wall0.00
Fireplace(s)0
Add Kit Rating 
Extra Fix Rating 
Fireplace Rating 
View 
2nd Floor % 
WS Flue Rating 
% Sprinkler100
Electric 
WS Flues 
2nd Heat Type 
Half Bath Rating 
Bldg Units1
Parcel Units3
Interior/Exterior 
Insulation 
Bath Rating 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 23,066 23,066
   23,066 23,066

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code9322
DescriptionPublic School C  
ZoneAR-I
Neighborhood350
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)31.14
Frontage
Depth
Assessed Value$4,251,400
Appraised Value$4,251,400

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
PAV1Pavement Asphalt  30000.00 SF$54,0001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$14,773,700$4,251,400$19,025,100
2025$14,773,700$4,251,400$19,025,100
2025$14,973,400$3,864,900$18,838,300

Assessment
Valuation YearImprovementsLandTotal
2025$14,773,700$4,251,400$19,025,100
2025$14,773,700$4,251,400$19,025,100
2025$14,973,400$3,864,900$18,838,300

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