316 SCHOOL ST
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Location
316 SCHOOL ST
Mblu
119/ 5240/ 316/ /
Parcel ID
L90560
Owner
COLONIAL GAS COMPANY
PBN
Total Market Value
$4,405,000
Appraisal
$4,405,000
Internal ID
32863
Building Count
5
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$3,178,900$1,226,100$4,405,000
Assessment
Valuation YearImprovementsLandTotal
2026$3,178,900$1,226,100$4,405,000

Owner of Record
OwnerCOLONIAL GAS COMPANY
Co-Owner
Address40 SYLVAN RD
WALTHAM, MA 02451-1120
Sale Price$0
Certificate
Book & Page 06146/0148
Sale Date10/13/1992
Instrument1E

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
COLONIAL GAS COMPANY$0 06146/01481E10/13/1992

Building Information
Building 1 : Section 1
Year Built: 1800
Living Area: 30,108
Replacement Cost: $2,339,582
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$1,403,700
Building Attributes
FieldDescription
Style:Warehouse
ModelIndustrial
GradeAverage
Stories:1
Occupancy1.00
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2Drywall/Sheet
Interior Floor 1Concr-Finished
Interior Floor 2Vinyl/Asphalt
Heating FuelGas
Heating TypeHot Air-no Duc
AC TypeNone
Bldg UseGas Substation C
Total Rooms 
Total Bedrms00
Total Baths2
1st Floor Use:4280
Heat/ACNONE
Frame TypeSTEEL
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height18.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 28,824 28,824
FUSUpper Story, Finished 1,284 1,284
UUSUpper Story, Unfinished 10,788 0
   40,896 30,108
Building 2 : Section 1
Year Built: 1800
Living Area: 7,434
Replacement Cost: $804,656
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$482,800
Building Attributes : Bldg 2 of 5
FieldDescription
Style:Warehouse
ModelIndustrial
GradeAverage +10
Stories:1
Occupancy1.00
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar & Gravel
Interior Wall 1Minim/Masonry
Interior Wall 2 
Interior Floor 1Concr-Finished
Interior Floor 2Vinyl/Asphalt
Heating FuelGas
Heating TypeNone
AC TypeNone
Bldg UseGas Substation C
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:4280
Heat/ACNONE
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallNONE
Rooms/PrtnsAVERAGE
Wall Height60.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 7,434 7,434
   7,434 7,434
Building 3 : Section 1
Year Built: 1900
Living Area: 2,900
Replacement Cost: $309,813
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$185,900
Building Attributes : Bldg 3 of 5
FieldDescription
Style:Warehouse
ModelIndustrial
GradeAverage +10
Stories:2
Occupancy1.00
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar & Gravel
Interior Wall 1Minim/Masonry
Interior Wall 2Drywall/Sheet
Interior Floor 1Concr-Finished
Interior Floor 2Carpet
Heating FuelGas
Heating TypeHot Air-no Duc
AC TypeUnit/AC
Bldg UseGas Substation C
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:4280
Heat/ACNONE
Frame TypeSTEEL
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height18.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 2,075 2,075
FUSUpper Story, Finished 825 825
   2,900 2,900
Building 4 : Section 1
Year Built: 1900
Living Area: 7,200
Replacement Cost: $750,974
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$450,600
Building Attributes : Bldg 4 of 5
FieldDescription
Style:Light Indust
ModelIndustrial
GradeAverage +10
Stories:1
Occupancy1.00
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 FuelGas
Heating TypeHot Air-no Duc
AC TypeNone
Bldg UseGas Substation C
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:4280
Heat/ACNONE
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallNONE
Rooms/PrtnsAVERAGE
Wall Height28.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 7,200 7,200
   7,200 7,200
Building 5 : Section 1
Year Built: 1800
Living Area: 9,918
Replacement Cost: $816,271
Building Percent Good: 60
Replacement Cost
Less Depreciation:
$489,800
Building Attributes : Bldg 5 of 5
FieldDescription
Style:Warehouse
ModelIndustrial
GradeAverage +10
Stories:2
Occupancy1.00
Exterior Wall 1Brick/Masonry
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Minim/Masonry
Interior Wall 2Drywall/Sheet
Interior Floor 1Concr Abv Grad
Interior Floor 2Vinyl/Asphalt
Heating FuelGas
Heating TypeSteam
AC TypeNone
Bldg UseGas Substation C
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:4280
Heat/ACNONE
Frame TypeWOOD FRAME
Baths/PlumbingAVERAGE
Ceiling/WallCEIL & WALLS
Rooms/PrtnsAVERAGE
Wall Height18.00
% Comn Wall0.00
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 8,254 8,254
FUSUpper Story, Finished 1,664 1,664
   9,918 9,918

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
SPR1SPRINKLERS-WET25766.00 S.F.$11,3005
SPR1SPRINKLERS-WET7200.00 S.F.$3,2004
MEZ1MEZZANINE-UNF720.00 S.F.$3,2002
A/CAIR CONDITION450.00 UNITS$5002
A/CAIR CONDITION825.00 UNITS$9003
CNP1CANOPY-AVG180.00 S.F.$9001
MEZ1MEZZANINE-UNF2880.00 S.F.$13,8001
A/CAIR CONDITION21576.00 UNITS$25,9001

Land
Land Use
Use Code4280
DescriptionGas Substation C  
ZoneLI
NeighborhoodC900
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)6.81
Frontage0
Depth0
Total Market Land$1,226,100
Appraised Value$1,226,100

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
LT1LIGHTS-IN W/PL  2.00 UNITS$8003
PAV1PAVING-ASPHALT  200000.00 S.F.$99,0002
SHD1SHED FRAME  437.00 S.F.$2,1001
LT10W/DOUBLE LIGHT  1.00 UNITS$1,2003
SGN1SIGN-1 SD W/M  15.00 S.F.&HGT$2001
SGN1SIGN-1 SD W/M  142.00 S.F.&HGT$3,1002
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2025$3,001,100$1,146,300$4,147,400
2024$2,866,100$1,091,100$3,957,200
2023$2,452,600$991,600$3,444,200

Assessment
Valuation YearImprovementsLandTotal
2025$3,001,100$1,146,300$4,147,400
2024$2,866,100$1,091,100$3,957,200
2023$2,452,600$991,600$3,444,200

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