21 CONGRESS ST
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Location
21 CONGRESS ST
Mblu
0117/ 0012/ 0000/ /
Acct#
37983
Owner
ONE MARKET SQUARE LLC
PBN
Assessment
$12,684,100
Appraisal
$12,684,100
PID
37983
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$10,530,200$2,153,900$12,684,100
Assessment
Valuation YearImprovementsLandTotal
2025$10,530,200$2,153,900$12,684,100

Owner of Record
OwnerONE MARKET SQUARE LLC
Co-Owner
Address10 PLEASANT ST STE 300
PORTSMOUTH, NH 03801
Sale Price$15,500,000
Certificate
Book & Page 6637/2224
Sale Date07/28/2025
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
ONE MARKET SQUARE LLC$15,500,000 6637/22240007/28/2025
WENBERRY ASSOC LLC$519,000 3060/0164 06/17/1994

Building Information
Building 1 : Section 1
Year Built: 1920
Living Area: 58,304
Replacement Cost: $15,468,325
Building Percent Good: 64
Replacement Cost
Less Depreciation:
$9,899,700
Building Attributes
FieldDescription
Style:Retail/Office/Apt
ModelCommercial
GradeB+
Stories:3
Occupancy9.00
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 1Hardwood
Interior Floor 2Carpet
Heating FuelGas
Heating TypeHot Air-no Duc
AC TypeCentral
Bldg UseRETAIL
Total Rooms 
Total Bedrms 
Total Baths 
Kitchen Grd 
Heat/ACHEAT/AC PKGS
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsABOVE AVERAGE
Wall Height12.00
% 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 34,869 34,869
BASFirst Floor 23,435 23,435
FBMBasement, Finished 2,265 0
UBMBasement, Unfinished 2,000 0
   62,569 58,304

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
CLR1COOLER160.00 S.F.$9,2001
ELV1ELEVATOR PASS3.00 STOPS$188,7001
ELV1ELEVATOR PASS3.00 STOPS$188,7001
SPR1SPRINKLERS-WET62567.00 S.F.$212,2001
CLR1COOLER600.00 S.F.$31,7001

Land
Land Use
Use Code3250
DescriptionRETAIL  
ZoneCD5
Neighborhood305
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.55
Frontage
Depth
Assessed Value$2,153,900
Appraised Value$2,153,900

Outbuildings
Outbuildings

No Data for Outbuildings

Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$10,530,200$2,153,900$12,684,100
2024$10,530,200$2,153,900$12,684,100
2023$6,868,500$1,322,400$8,190,900

Assessment
Valuation YearImprovementsLandTotal
2025$10,530,200$2,153,900$12,684,100
2024$10,530,200$2,153,900$12,684,100
2023$6,868,500$1,322,400$8,190,900

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