300 UNION ST
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Location
300 UNION ST
Mblu
35/R / 22/ /
Acct#
Owner
300 UNION ST, INC
Assessment
$835,800
Appraisal
$835,800
PID
3637
Building Count
1
Current Value
Appraisal
Valuation YearImprovementsLandTotal
2026$723,000$112,800$835,800
Assessment
Valuation YearImprovementsLandTotal
2026$723,000$112,800$835,800

Owner of Record
Owner300 UNION ST, INC
Co-Owner
Address300 UNION ST
WESTFIELD, MA 01085
Sale Price$625,000
Certificate
Book & Page 22346/0412
Sale Date09/05/2018
Instrument00

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
300 UNION ST, INC$625,000 22346/04120009/05/2018
N&J LLC$565,000 20631/01370003/20/2015
ENDEAVOR PROPERTIES, LLC$544,000 20233/05621R03/28/2014
UNION WAREHOUSING LLC$500,000 17639/04630002/10/2009
AERO FASTENER REALTY, LLC$1 9989/02511B09/08/1997

Building Information
Building 1 : Section 1
Year Built: 1979
Living Area: 9,900
Replacement Cost: $887,506
Building Percent Good: 80
Replacement Cost
Less Depreciation:

$710,000
Building Attributes
FieldDescription
Style:Office/Warehs
ModelIndustrial
GradeAverage +10
Stories:1.0
Occupancy0.00
Exterior Wall 1Pre-finsh Metl
Exterior Wall 2 
Roof StructureGable/Hip
Roof CoverMetal/Tin
Interior Wall 1Minim/Masonry
Interior Wall 2Drywall/Sheet
Interior Floor 1Concr Abv Grad
Interior Floor 2Carpet
Heating FuelOil
Heating TypeForced Air-Duc
AC TypeCentral
Struct Class 
Bldg UseCOMM WHSE MDL-96
Total Rooms 
Total Bedrms00
Total Baths0
1st Floor Use:3160
Heat/ACHEAT/AC SPLIT
Frame TypeSTEEL
Baths/PlumbingAVERAGE
Ceiling/WallSUS-CEIL & WL
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 7,122 7,122
AOFOffice, (Average) 2,778 2,778
ULPLoading Platform, Unfinished 224 0
   10,124 9,900

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
OVHDOVERHEAD DOOR1.00 UNITS$8001
A/CAIR CONDITION2778.00 UNITS$4,4001

Land
Land Use
Use Code3160
DescriptionCOMM WHSE MDL-96  
ZoneBA
Neighborhood
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)1.5
Frontage0
Depth0
Assessed Value$112,800
Appraised Value$112,800

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
PAV1PAVING-ASPHALT  9000.00 S.F.$7,6001
SGN1SIGN-1 SD W/M  22.50 S.F.&HGT$2001
Valuation History
Appraisal
Valuation YearImprovementsLandTotal
2026$723,000$112,800$835,800
2025$653,100$91,900$745,000
2024$619,900$83,600$703,500

Assessment
Valuation YearImprovementsLandTotal
2026$723,000$112,800$835,800
2025$653,100$91,900$745,000
2024$619,900$83,600$703,500

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