346 MAIN ST
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Location
346 MAIN ST
Mblu
110/ 43/ 0/ /
Acct#
1899
Owner
GROTON-DUNSTABLE REGIONAL SCHOOL DIST.
Total Market Value
$22,724,300
Appraisal
$22,724,300
PID
1899
Building Count
2
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$22,724,300$0$22,724,300
Assessment
Valuation YearImprovementsLandTotal
2026$22,724,300$0$22,724,300

Owner of Record
OwnerGROTON-DUNSTABLE REGIONAL SCHOOL DIST.
Co-Owner
Address344 MAIN STREET
GROTON, MA 01450
Sale Price$1
CertificateC
Book & Page 22392/0034
Sale Date09/14/1992
Instrument1E

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
GROTON-DUNSTABLE REGIONAL SCHOOL DIST.$1C22392/00341E09/14/1992
TOWN OF GROTON$0P9703/0117 10/28/1960

Building Information
Building 1 : Section 1
Year Built: 1988
Living Area: 63,655
Replacement Cost: $26,089,736
Building Percent Good: 80
Replacement Cost
Less Depreciation:
$20,871,800
Building Attributes
FieldDescription
Style:Middle School
ModelCommercial
GradeVery Good
Stories:2
Occupancy1.00
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar & Gravel
Interior Wall 1Plastered
Interior Wall 2 
Interior Floor 1Concr-Finished
Interior Floor 2Vinyl/Asphalt
Heating FuelOil
Heating TypeForced Air-Duc
AC TypeNone
Bldg UseGroton Education C
Total Rooms00
Total Bedrms00
Total Baths02
Fireplaces 
Bsmt Gar:0
1st Floor Use:903C
Heat/ACNONE
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsAVERAGE
Wall Height10.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 53,289 53,289
FUSUpper Story, Finished 10,366 10,366
CANCanopy 240 0
FGRGarage 720 0
UBMBasement, Unfinished 53,289 0
   117,904 63,655
Building 2 : Section 1
Year Built: 1956
Living Area: 11,880
Replacement Cost: $2,654,791
Building Percent Good: 64
Replacement Cost
Less Depreciation:
$1,699,100
Building Attributes : Bldg 2 of 2
FieldDescription
Style:Health Club
ModelCommercial
GradeGood (+)
Stories:1
Occupancy1.00
Exterior Wall 1Aluminum Sidng
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar & Gravel
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Hardwood
Interior Floor 2Vinyl/Asphalt
Heating FuelOil
Heating TypeForced Air-Duc
AC TypeNone
Bldg UseGroton Education C
Total Rooms00
Total Bedrms00
Total Baths00
Fireplaces 
Bsmt Gar:0
1st Floor Use:903C
Heat/ACNONE
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsAVERAGE
Wall Height10.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 11,880 11,880
FGRGarage 1,600 0
   13,480 11,880

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
CLR2FREEZER TEMPS72.00 SF$1,6001
ELE1ELEV-PAS3.00 UNITS$144,0001

Land
Land Use
Use Code9341
DescriptionGroton Education C  
ZoneO
Neighborhood
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0
Frontage
Depth
Total Market Land$0
Appraised Value$0

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHD1SHED FRAME  80.00 SF$6001
SHD1SHED FRAME  128.00 SF$1,0001
SHP4W/IMPROV AGE  480.00 SF$6,2001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2026$22,724,300$0$22,724,300
2025$21,694,400$0$21,694,400
2024$22,243,600$0$22,243,600

Assessment
Valuation YearImprovementsLandTotal
2026$22,724,300$0$22,724,300
2025$21,694,400$0$21,694,400
2024$22,243,600$0$22,243,600

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