500 WALDEN ST
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Location
500 WALDEN ST
Mblu
11H/ 298/ / /
Acct#
4862
Owner
CONCORD-CARLISLE REGIONAL SCHOOL DISTRICT
Assessment
$66,213,800
Appraisal
$66,213,800
PID
4862
Building Count
2
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$58,236,200$7,977,600$66,213,800
Assessment
Valuation YearImprovementsLandTotal
2026$58,236,200$7,977,600$66,213,800

Owner of Record
OwnerCONCORD-CARLISLE REGIONAL SCHOOL DISTRICT
Co-Owner
Address120 MERIAM RD
CONCORD, MA 01742
Sale Price$1
Certificate
Book & Page 9229/0160
Sale Date09/18/1958
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
CONCORD-CARLISLE REGIONAL SCHOOL DISTRICT$1 9229/01600009/18/1958

Building Information
Building 1 : Section 1
Year Built: 1959
Living Area: 227,470
Replacement Cost: $69,584,103
Building Percent Good: 68
Replacement Cost
Less Depreciation:
$47,317,200
Building Attributes
FieldDescription
Style:Schools-Public
ModelCommercial
Grade 
Stories:1
Occupancy1.00
Exterior Wall 1Concr/Cinder
Exterior Wall 2 
Roof StructureFlat
Roof CoverTar & Gravel
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Vinyl/Asphalt
Interior Floor 2Carpet
Heating FuelGas
Heating TypeHot Water
AC TypeNone
Struct Class 
Bldg UsePUB-SCHOOL MDL-94
Total Rooms 
Total Bedrms00
Total Baths 
1st Floor Use:9033
Heat/ACHEAT/AC SPLIT
Frame TypeSTEEL
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
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 213,421 213,421
FUSUpper Story, Finished 14,049 14,049
CATCathedral Ceiling 15,225 0
   242,695 227,470
Building 2 : Section 1
Year Built: 2005
Living Area: 23,369
Replacement Cost: $10,701,940
Building Percent Good: 85
Replacement Cost
Less Depreciation:
$9,096,600
Building Attributes : Bldg 2 of 2
FieldDescription
Style:Fitness Center
ModelCommercial
Grade 
Stories:1
Occupancy1.00
Exterior Wall 1Brick Veneer
Exterior Wall 2Concr/Cinder
Roof StructureFlat
Roof CoverRolled Compos
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Floor 1Ceram Clay Til
Interior Floor 2Carpet
Heating FuelGas
Heating TypeForced Air-Duc
AC TypeNone
Struct Class 
Bldg UsePUB-SCHOOL MDL-94
Total Rooms 
Total Bedrms 
Total Baths 
1st Floor Use: 
Heat/ACHEAT/AC PKGS
Frame TypeFIREPRF STEEL
Baths/PlumbingABOVE AVERAGE
Ceiling/WallSUS-CEIL & WL
Rooms/PrtnsAVERAGE
Wall Height22.00
% Comn Wall 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 23,369 23,369
CATCathedral Ceiling 16,219 0
FBMBasement, Finished 7,150 0
PTOPatio 1,600 0
USTUtility, Storage 2,500 0
   50,838 23,369

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
A/CAIR CONDITION14300.00 UNITS$43,8002
SPR2WET/CONCEALED16800.00 S.F.$54,1002
SPR3DRY16219.00 S.F.$48,3002
ELV1ELEVATOR PASSENGER2.00 STOPS$61,1002
SPR2WET/CONCEALED227470.00 S.F.$586,2001
A/CAIR CONDITION56900.00 UNITS$139,3001

Land
Land Use
Use Code9340
DescriptionMUN IMP EDU  
ZoneA
Neighborhood28
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)93.60
Frontage
Depth
Assessed Value$7,977,600
Appraised Value$7,977,600

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
SPL1POOL-INGR CONC  6150.00 S.F.$323,4002
SPL1POOL-INGR CONC  1200.00 S.F.$63,1002
PAV1PAVING-ASPHALT  152000.00 S.F.$145,9001
SPL1POOL-INGR CONC  600.00 S.F.$31,6002
SPL1POOL-INGR CONC  900.00 S.F.$47,3002
FGR2GARAGE-GOOD  3300.00 S.F.$64,7001
FGR1GARAGE-AVE  1080.00 S.F.$12,5001
SHD2SHED W/ LIGHTS ETC  2240.00 S.F.$39,2001
SHD2SHED W/ LIGHTS ETC  400.00 S.F.$7,0001
PAV1PAVING-ASPHALT  18000.00 S.F.$24,2002
SHD2SHED W/ LIGHTS ETC  192.00 S.F.$3,4001
LT1LIGHTS-IN W/PL  10.00 UNITS$15,2002
TEN2TENNIS CT CONCRETE  5.00 UNITS$82,7001
FN1FENCE 4' CHAIN  1200.00 L.F.$6,2001
SHD1SHED FRAME  120.00 S.F.$1,7002
FN3FENCE 6' CHAIN  5200.00 L.F.$19,8001
SHD1SHED FRAME  120.00 S.F.$1,7002
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2026$58,236,200$7,977,600$66,213,800
2025$56,237,500$7,594,600$63,832,100
2024$54,179,700$7,594,600$61,774,300

Assessment
Valuation YearImprovementsLandTotal
2026$58,236,200$7,977,600$66,213,800
2025$56,237,500$7,594,600$63,832,100
2024$54,179,700$7,594,600$61,774,300

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