9 MARKET SQ
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Location
9 MARKET SQ
Mblu
0117/ 0021/ 0000/ /
Acct#
37344
Owner
PORTSMOUTH ATHENAEUM
PBN
Assessment
$1,189,300
Appraisal
$1,189,300
PID
37344
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$716,000$473,300$1,189,300
Assessment
Valuation YearImprovementsLandTotal
2025$716,000$473,300$1,189,300

Owner of Record
OwnerPORTSMOUTH ATHENAEUM
Co-Owner
AddressPO BOX 366
PORTSMOUTH, NH 03802
Sale Price$0
Certificate
Book & Page 0/0
Sale Date
Instrument

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
PORTSMOUTH ATHENAEUM$0 0/0  

Building Information
Building 1 : Section 1
Year Built: 1817
Living Area: 2,544
Replacement Cost: $1,092,097
Building Percent Good: 64
Replacement Cost
Less Depreciation:
$698,900
Building Attributes
FieldDescription
Style:Library
ModelCommercial
GradeA-
Stories:4
Occupancy1.00
Residential Units 
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Pine/Soft Wood
Interior Floor 2 
Heating FuelGas
Heating TypeHot Air-no Duc
AC TypeHeat Pump
Bldg Use905C
Total Rooms 
Total Bedrms 
Total Baths 
Kitchen Grd 
Heat/ACHEAT/AC PKGS
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height14.00
% Comn Wall 
1st Floor Use: 
Class 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 1,512 1,512
BASFirst Floor 1,032 1,032
UATAttic 1,032 0
UBMBasement, Unfinished 1,032 0
   4,608 2,544

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
BALBALCONY635.00 S.F.$17,1001

Land
Land Use
Use Code905C
Description905C  
ZoneCD5
Neighborhood305
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.02
Frontage
Depth
Assessed Value$473,300
Appraised Value$473,300

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$716,000$473,300$1,189,300
2024$716,000$473,300$1,189,300
2023$585,500$335,300$920,800

Assessment
Valuation YearImprovementsLandTotal
2025$716,000$473,300$1,189,300
2024$716,000$473,300$1,189,300
2023$585,500$335,300$920,800

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