342 MAIN ST
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Location
342 MAIN ST
Mblu
110/ 42/ 0/ /
Acct#
1902
Owner
GROTON-DUNSTABLE REGIONAL SCHOOL DIST.
Total Market Value
$70,030,100
Appraisal
$70,030,100
PID
1902
Building Count
2
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$65,834,100$4,196,000$70,030,100
Assessment
Valuation YearImprovementsLandTotal
2026$65,834,100$4,196,000$70,030,100

Owner of Record
OwnerGROTON-DUNSTABLE REGIONAL SCHOOL DIST.
Co-OwnerC/O GROTON BESS 1 LLC C/O DELOREAN POWER LLC
Address1201 WILSON BLVD
ARLINGTON, VA 22209
Sale Price$0
CertificateC
Book & Page 7591/0109
Sale Date02/06/1963

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageSale Date
GROTON-DUNSTABLE REGIONAL SCHOOL DIST.$0C7591/010902/06/1963

Building Information
Building 1 : Section 1
Year Built: 2024
Living Area: 111,583
Replacement Cost: $48,348,468
Building Percent Good: 99
Replacement Cost
Less Depreciation:
$47,865,000
Building Attributes
FieldDescription
Style:Elementary School
ModelCommercial
GradeExcellent
Stories:1
Occupancy1.00
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureFlat
Roof CoverMetal/Tin
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Concr-Finished
Interior Floor 2Vinyl/Asphalt
Heating FuelElectric
Heating TypeForced Air-Duc
AC TypeCentral
Bldg UseGroton Education C
Total Rooms00
Total Bedrms00
Total Baths68
Fireplaces 
Bsmt Gar:0
1st Floor Use:903C
Heat/ACHEAT/AC PKGS
Frame TypeFIREPRF STEEL
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 63,980 63,980
FUSUpper Story, Finished 47,603 47,603
   111,583 111,583
Building 2 : Section 1
Year Built: 1963
Living Area: 99,823
Replacement Cost: $29,940,517
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$17,964,300
Building Attributes : Bldg 2 of 2
FieldDescription
Style:Middle School
ModelCommercial
GradeGood (+)
Stories:1
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 Rooms 
Total Bedrms 
Total Baths 
Fireplaces 
Bsmt Gar: 
1st Floor Use:903C
Heat/ACNONE
Frame TypeMASONRY
Baths/PlumbingAVERAGE
Ceiling/WallSUSP-CEIL ONLY
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 65,126 65,126
FUSUpper Story, Finished 34,697 34,697
CANCanopy 72 0
   99,895 99,823

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code9341
DescriptionGroton Education C  
ZoneO
NeighborhoodC10
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)35.63
Frontage
Depth
Total Market Land$4,196,000
Appraised Value$4,196,000

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SHD1SHED FRAME  480.00 SF$4,8001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2026$65,834,100$4,196,000$70,030,100
2025$63,290,300$3,969,100$67,259,400
2024$28,152,700$3,969,100$32,121,800

Assessment
Valuation YearImprovementsLandTotal
2026$65,834,100$4,196,000$70,030,100
2025$63,290,300$3,969,100$67,259,400
2024$28,152,700$3,969,100$32,121,800

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