597 UNION AVE
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Location
597 UNION AVE
Mblu
101/ 52/ 2880/ /
Acct#
5528
Owner
597 UNION LLC
PBN
Total Market Value
$1,126,500
Appraisal
$1,126,500
PID
5528
Building Count
1
Current Value
Appraisal
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2026$837,700$0$8,100$280,700$1,126,500
Assessment
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2026$837,700$0$8,100$280,700$1,126,500

Owner of Record
Owner597 UNION LLC
Co-Owner
Address19 MATHIEU DR
WESTBOROUGH, MA 01581
Sale Price$1,350,000
Certificate
Book & Page 84355/0361
Sale Date07/14/2025
Instrument1Y

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
597 UNION LLC $1,350,000 84355/03611Y07/14/2025
ABC PRIME, LLC $839,900 74730/05971Y05/22/2020
389-391 GRANT ST, LLC $463,000 70752/00241Y03/19/2018
GORDON, LANE P TR $265,000 28227/01481Y02/26/1998

Building Information
Building 1 : Section 1
Year Built: 1877
Living Area: 3,794
Replacement Cost: $1,021,595
Building Percent Good: 82
Replacement Cost
Less Depreciation:

$837,700
Building Attributes
FieldDescription
Type4 - 8 Family
ModelResidential
GradeAverage
Stories2.5
FoundationBrk/Stn
Ext Wall 1Vinyl
Ext Wall 2 
Roof StructureGable
Roof CoverAsphalt
Int Wall 1Plaster
Int Wall 2 
Int Floor 1Pergo
Int Floor 2 
Heat FuelGas
Heat TypeForced H/A
AC Percent0
Bedrooms8
Full Baths4
Half Baths0
Extra Fixtures0
Total Rooms16
Full Bath RatingAverage
Kitchen RatingAverage
Kitchens4
Fireplace RatingA
WS Flue RatingA
ElectricTypical
InsulationTypical
AddlHalfBathRatingN
Fireplace(s)0
Bsmt Garage0
WS Flues0
Heat Type 2 
FrameWood
Solar Hot WaterNo
Central VacNo
Addl Half Bath
Living Units5
Addtn Kitchen RatingGood
AddlBathRatingGood
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area
Living
Area
BASBase Floor 1,690 1,690
FUSFinished Upper Story 1,542 1,542
FHSHalf Story 1,124 562
FEPEnclosed Porch 154 0
FOPOpen Porch 213 0
UBMBasement 1,591 0
WDKWood Deck 47 0
   6,361 3,794

Extra Features
Extra Features

No Data for Extra Features


Land
Land Use
Use Code1110
Description4-8-UNIT-APT  
ZoneG
Neighborhood30
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.37
Frontage
Depth
Total Market Land$280,700
Appraised Value$280,700

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
FGR1GARAGE AV  399.00 S.F.$8,1001
Valuation History
Appraisal
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2025$820,900$0$8,100$267,300$1,096,300
2024$901,300$0$11,700$238,700$1,151,700
2023$777,700$0$11,700$213,100$1,002,500
2022$698,800$0$10,700$193,300$902,800

Assessment
Valuation YearBuildingExtra FeaturesOutbuildingsLandTotal
2025$820,900$0$8,100$267,300$1,096,300
2024$901,300$0$11,700$238,700$1,151,700
2023$777,700$0$11,700$213,100$1,002,500
2022$698,800$0$10,700$193,300$902,800

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