1 CONGRESS ST
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Location
1 CONGRESS ST
Mblu
0117/ 0014/ 0000/ /
Acct#
37351
Owner
ONE MARKET SQUARE LLC
PBN
Assessment
$8,231,800
Appraisal
$8,231,800
PID
37351
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$1,833,100$6,398,700$8,231,800
Assessment
Valuation YearImprovementsLandTotal
2025$1,833,100$6,398,700$8,231,800

Owner of Record
OwnerONE MARKET SQUARE LLC
Co-Owner
Address10 PLEASANT ST STE 300
PORTSMOUTH, NH 03801
Sale Price$0
Certificate
Book & Page 6605/2986
Sale Date03/07/2025
Instrument

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
ONE MARKET SQUARE LLC$0 6605/2986 03/07/2025
ONE MARKET SQUARE LLC$0 6523/22865412/18/2023
ONE MARKET SQUARE LLC$0 6523/32 12/14/2023
ONE MARKET SQUARE LLC$0 6523/28 12/14/2023
ONE MARKET SQUARE LLC$6,000,000 6363/310012/09/2021

Building Information
Building 1 : Section 1
Year Built: 1800
Living Area: 15,860
Replacement Cost: $2,319,442
Building Percent Good: 64
Replacement Cost
Less Depreciation:
$1,484,400
Building Attributes
FieldDescription
Style:Retail/Office
ModelCommercial
GradeB-
Stories:4
Occupancy9.00
Residential Units 
Exterior Wall 1Brick/Masonry
Exterior Wall 2Clapboard
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Carpet
Interior Floor 2Ceram Clay Til
Heating FuelGas
Heating TypeForced Air-Duc
AC TypeNone
Bldg UsePRI COMM
Total Rooms 
Total Bedrms 
Total Baths 
Kitchen Grd 
Heat/ACNONE
Frame TypeWOOD FRAME
Baths/PlumbingEXTENSIVE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsABOVE AVERAGE
Wall Height12.00
% Comn Wall18.00
1st Floor Use: 
Class 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 9,411 9,411
BASFirst Floor 6,449 6,449
FOPPorch, Open 94 0
SLBSlab 2,824 0
UATAttic 860 0
UBMBasement, Unfinished 2,396 0
USTUtility, Storage, Unfinished 132 0
   22,166 15,860

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
CLR1COOLER80.00 S.F.$3,8001

Land
Land Use
Use Code3222
DescriptionCOMM BLDG  
ZoneCD5
Neighborhood305
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.42
Frontage
Depth
Assessed Value$6,398,700
Appraised Value$6,398,700

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
PAV1PAVING-ASPHALT  6895.00 S.F.$12,4001
PKKKIOSK PARKING LOT  19.00 UNITS$332,5001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$1,833,100$6,398,700$8,231,800
2024$2,163,600$3,029,700$5,193,300
2023$1,964,400$1,116,000$3,080,400

Assessment
Valuation YearImprovementsLandTotal
2025$1,833,100$6,398,700$8,231,800
2024$2,163,600$3,029,700$5,193,300
2023$1,964,400$1,116,000$3,080,400

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