51 SOUTH WALNUT ST
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Location
51 SOUTH WALNUT ST
Mblu
01W/ 00WM/ 0001/ /
Acct#
00263300
Owner
820 KINSLEI LLC
Assessment
$2,605,780
Appraisal
$3,722,520
PID
2842
Building Count
8
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2025$3,081,480$641,040$3,722,520
Assessment
Valuation YearImprovementsLandTotal
2025$2,157,050$448,730$2,605,780

Owner of Record
Owner820 KINSLEI LLC
Co-Owner
Address15 N MAIN ST 2ND FLR
MARLBOROUGH, CT 06457
Sale Price$1,800,000
Certificate
Book & Page 645/803
Sale Date02/10/2026
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
820 KINSLEI LLC$1,800,000 645/8030002/10/2026
DMSB REAL ESTATE MANAGEMENT LLC$0 0478/01102907/24/2014
LEE FAT PROPERTY INC$1,527,534 0471/00472512/09/2013
BKDS ENTERPRISES LLC$0 0394/03542904/01/2008
MUELLER WILLIAM + SAUVE DOREEN CO TRUSTE$0 0382/00862907/18/2007

Building Information
Building 1 : Section 1
Year Built: 1859
Living Area: 95,780
Replacement Cost: $3,597,037
Building Percent Good: 28
Replacement Cost
Less Depreciation:
$1,007,170
Building Attributes
FieldDescription
Style:Mill Bldg
ModelComm/Ind
GradeC
Stories:5
Occupancy 
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Pine/Soft Wood
Interior Floor 2 
Heating FuelOil
Heating TypeSteam
AC TypeNone
Bldg UseIND WHSES
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 60,140 60,140
BASFirst Floor 35,640 35,640
FOPOpen Porch 800 0
SLBSlab 14,994 0
UATUnfinished Attic 24,794 0
UBMUnfinished Basement 17,286 0
   153,654 95,780
Building 2 : Section 1
Year Built: 1859
Living Area: 95,797
Replacement Cost: $3,361,894
Building Percent Good: 28
Replacement Cost
Less Depreciation:
$941,330
Building Attributes : Bldg 2 of 8
FieldDescription
Style:Mill Bldg
ModelComm/Ind
GradeC
Stories:1
Occupancy 
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Pine/Soft Wood
Interior Floor 2 
Heating FuelOil
Heating TypeSteam
AC TypeNone
Bldg UseIND WHSES
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallNONE
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 62,561 62,561
BASFirst Floor 33,236 33,236
UATUnfinished Attic 25,820 0
UBMUnfinished Basement 25,820 0
   147,437 95,797
Building 3 : Section 1
Year Built: 1853
Living Area: 30,772
Replacement Cost: $1,729,983
Building Percent Good: 28
Replacement Cost
Less Depreciation:
$484,400
Building Attributes : Bldg 3 of 8
FieldDescription
Style:Light Indust
ModelComm/Ind
GradeC
Stories:1
Occupancy 
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Dirt/None
Interior Floor 2 
Heating FuelOil
Heating TypeSteam
AC TypeNone
Bldg UseIND WHSES
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSFinished Upper Story 19,360 19,360
BASFirst Floor 11,412 11,412
UBMUnfinished Basement 8,560 0
ULPLoading Platform, Unfinished 1,870 0
   41,202 30,772
Building 4 : Section 1
Year Built: 1853
Living Area: 7,444
Replacement Cost: $391,780
Building Percent Good: 28
Replacement Cost
Less Depreciation:
$109,700
Building Attributes : Bldg 4 of 8
FieldDescription
Style:Warehouse
ModelComm/Ind
GradeC
Stories:1
Occupancy 
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Concr-Finished
Interior Floor 2 
Heating FuelOil
Heating TypeSteam
AC TypeNone
Bldg UseIND WHSES
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallNONE
Rooms/PrtnsAVERAGE
Wall Height20.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 7,444 7,444
CANCanopy 1,440 0
   8,884 7,444
Building 5 : Section 1
Year Built: 1853
Living Area: 2,400
Replacement Cost: $182,156
Building Percent Good: 28
Replacement Cost
Less Depreciation:
$51,000
Building Attributes : Bldg 5 of 8
FieldDescription
Style:Light Indust
ModelComm/Ind
GradeC
Stories:1
Occupancy 
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Concr-Finished
Interior Floor 2 
Heating FuelOil
Heating TypeSteam
AC TypeNone
Bldg UseCOMM WHSE
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeMASONRY
Baths/PlumbingLIGHT
Ceiling/WallNONE
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 2,400 2,400
FEPFinished Enclosed Porch 350 0
   2,750 2,400
Building 6 : Section 1
Year Built: 1997
Living Area: 1,740
Replacement Cost: $124,742
Building Percent Good: 57
Replacement Cost
Less Depreciation:
$71,100
Building Attributes : Bldg 6 of 8
FieldDescription
Style:Warehouse
ModelComm/Ind
GradeC-
Stories:0
Occupancy 
Exterior Wall 1Stone/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Pine/Soft Wood
Interior Floor 2 
Heating FuelCoal or Wood
Heating TypeNone
AC TypeNone
Bldg UseCOMM WHSE
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeWOOD FRAME
Baths/PlumbingNONE
Ceiling/WallCEILING ONLY
Rooms/PrtnsAVERAGE
Wall Height12.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 1,740 1,740
UBMUnfinished Basement 1,740 0
   3,480 1,740
Building 7 : Section 1
Year Built: 1900
Living Area: 1,550
Replacement Cost: $112,183
Building Percent Good: 28
Replacement Cost
Less Depreciation:
$31,410
Building Attributes : Bldg 7 of 8
FieldDescription
Style:Warehouse
ModelComm/Ind
GradeC-
Stories:1
Occupancy 
Exterior Wall 1Brick
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Carpet
Interior Floor 2 
Heating FuelOil
Heating TypeForced Air-Duc
AC TypeNone
Bldg UseCOMM WHSE
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:0316
Heat/ACHEAT ONLY
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height10.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 1,550 1,550
   1,550 1,550
Building 8 : Section 1
Year Built: 1950
Living Area: 16,000
Replacement Cost: $453,240
Building Percent Good: 31
Replacement Cost
Less Depreciation:
$140,500
Building Attributes : Bldg 8 of 8
FieldDescription
Style:Warehouse
ModelComm/Ind
GradeD
Stories:1
Occupancy1.00
Exterior Wall 1Pre-finsh Metl
Exterior Wall 2 
Roof StructureIrregular
Roof CoverMetal/Tin
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Concr Abv Grad
Interior Floor 2 
Heating FuelOther
Heating TypeNone
AC TypeNone
Bldg UseIND WHSES
Total Rooms00
Total Bedrms0
Total Baths0
1st Floor Use: 
Heat/ACNONE
Frame TypeSTEEL
Baths/PlumbingNONE
Ceiling/WallNONE
Rooms/PrtnsAVERAGE
Wall Height14.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 16,000 16,000
   16,000 16,000

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code4010
DescriptionIND WHSES  
ZoneI
Neighborhood4000
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)23.55
Frontage
Depth
Total Market Land$448,730
Appraised Value$641,040

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
PAV1Paving-Aspalt  5000.00 S.F.$5,0008
FN1Fence 4' Chain  650.00 L.F.$4,2303
PAV1Paving-Aspalt  12000.00 S.F.$4,5003
SH1Frame Shed  1250.00 S.F.$7,8101
SH1Frame Shed  896.00 S.F.$5,6001
AX1Steel Bldg  5400.00 S.F.$43,2001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2024$4,721,130$641,040$5,362,170
2023$4,721,130$641,040$5,362,170

Assessment
Valuation YearImprovementsLandTotal
2024$3,304,790$448,730$3,753,520
2023$3,304,790$448,730$3,753,520

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