11 MAHAN ST
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Location
11 MAHAN ST
Mblu
78/ 15/ / /
Acct#
5672
Owner
GEOKON NORTH LLC
PBN
Total Market Value
$3,802,595
Appraisal
$3,802,595
PID
4388
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$3,402,700$399,895$3,802,595
Assessment
Valuation YearImprovementsLandTotal
2025$3,402,700$399,895$3,802,595

Owner of Record
OwnerGEOKON NORTH LLC
Co-Owner
Address48 SPENCER ST
LEBANON, NH 03766
Sale Price$0
Certificate
Book & Page 4416/0740
Sale Date01/29/2019
Instrument40

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
GEOKON NORTH LLC$0 4416/07404001/29/2019
SELLERS, J B, SELLERS, M P,$0 4416/07334001/29/2019
GEOKON, INC$115,000 3451/06012409/20/2007
LATHER, BARBARA J$0 0/09903/07/2002
LATHER, BARBARA J$0 2400/03919906/18/1999

Building Information
Building 1 : Section 1
Year Built: 2020
Living Area: 22,974
Replacement Cost: $3,455,249
Building Percent Good: 95
Replacement Cost
Less Depreciation:

$3,282,500
Building Attributes
FieldDescription
ModelCOMMERCIAL
StyleOFFICE
GradeGood (+)
Stories3
Units 
Residential Units0
Comm Units1.00
Wall Height10.00
Exterior Wall 1STEEL
Exterior Wall 2 
Roof StructureFLAT
Roof CoverMEMBRANE
Interior Wall 1DRYWALL
Interior Wall 2 
Interior Floor 1CARPET
Interior Floor 2 
Basement FloorCONCRETE
% Heated100.00
Heat FuelELECTRIC
Heat TypeFORCED H/A
2nd Heat Type 
# Heat Systems1.00
AC Percent100.00
Bedrooms 
Full Bath(s)0
Bath RatingAVERAGE
3/4 Bath(s)0
Half Bath(s)0
Extra Fixture(s)0
PlumbingTYPICAL
Kitchen(s)0
Kitchen RatingAVERAGE
Extra Kitchen(s)0
Total Rooms 
FrameSTEEL
FoundationSLAB
Bsmt Garage0
FBLA 
Rec Room 
Fin Attic 
ParkingTYPICAL
Fireplace(s)0
Fireplace Rating 
WS Flues0
WS Flue Rating 
Interior/ExteriorSAME
ViewAVERAGE
ElectricADEQUATE
InsulationTYPICAL
Partition 
Solar Hot WaterYes
Central VacNo
% Sprinkled100
Sketch Area Adj 
Nbhd ModifierFLOOD 100
ColorBROWN/ORANGE
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
FFL1ST FLOOR 7,722 7,722
SFL2ND FLOOR 7,626 7,626
TFL3RD FLOOR 7,626 7,626
EFPENCL PORCH 80 0
OFPOPEN PORCH 416 0
PATPATIO 548 0
SLBCONCRETE SLAB 7,626 0
   31,644 22,974

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
SOLXSOL 72:6243.20 KW$82,1001

Land
Land Use
Use Code3400
DescriptionOFFICE  
ZoneLD
NeighborhoodC3
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.69
Frontage
Depth
Total Market Land$399,895
Appraised Value$399,895

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
77LITE-SGL  2.00 LEN$6001
85PAVING  10000.00 SF$37,5001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$3,402,700$399,895$3,802,595
2024$3,368,200$330,500$3,698,700
2023$3,368,200$330,500$3,698,700

Assessment
Valuation YearImprovementsLandTotal
2025$3,402,700$399,895$3,802,595
2024$3,368,200$330,500$3,698,700
2023$3,368,200$330,500$3,698,700

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