21 LOUIS ST
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Location
21 LOUIS ST
Mblu
68/ / 6/ /
Acct#
33610016
Owner
SANTOS MARIA (TE)
Total Market Value
$720,800
PID
4797
Building Count
1
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$460,700$260,100$720,800

Owner of Record
OwnerSANTOS MARIA (TE)
Co-OwnerTHE MARIA SANTOS LIVING TRUST
Address21 LOUIS ST

CHELSEA, MA 02150
Sale Price$100
Certificate
Book & Page 71618/213
Sale Date07/09/2025
Instrument1F

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
SANTOS MARIA (TE) $100 71618/2131F07/09/2025
SANTOS MARIA$0 18807/0338UK01/14/1994

Future Owners
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
SANTOS MARIA (TE) $100 71618/2131F07/09/2025

Building Information
Building 1 : Section 1
Year Built: 1986
Living Area: 1,574
Replacement Cost: $543,801
Building Percent Good: 84
Replacement Cost
Less Depreciation:
$456,800
Building Attributes
FieldDescription
Style:Duplex
ModelMulti-Family
Grade:Average
Stories:2 Stories
Occupancy2
Exterior Wall 1Vinyl Siding
Exterior Wall 2Brick Veneer
Roof Structure:Gable/Hip
Roof CoverAsph/F Gls/Cmp
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Hardwood
Interior Flr 2 
Heat FuelGas
Heat Type:Hot Water
AC Type:None
Total Bedrooms:4 Bedrooms
Total Bthrms:3
Total Half Baths:1
Total Xtra Fixtrs: 
Total Rooms:9
Bath Style:Average
Kitchen Style:Average
Parking6
Extra Kitchens 
Systems Stat 
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FUSUpper Story, Finished 812 812
BASFirst Floor 762 762
SFBBase, Semi-Finished 762 0
USTUtility, Storage, Unfinished 10 0
WDKDeck, Wood 192 0
   2,538 1,574

Extra Features
Extra Features
CodeDescriptionSizeAssessed ValueBldg #
SOLSOLAR PANELS0.00 UNITS$01

Land
Land Use
Use Code1040
DescriptionTWO FAMILY MDL-01  
Zone
Neighborhood1020
Alt Land ApprNo
Category
Land Line Valuation
Size (Sqr Feet)5000
Frontage0
Total Market Land$260,100

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeAssessed ValueBldg #
SHD1SHED FRAME  288.00 S.F.$3,9001
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2025$417,100$247,700$664,800
2024$407,400$247,700$655,100
2023$380,300$225,200$605,500
Valuation History
Exemptions
Exemption YearCodeDescriptionAmount
20265CRESIDENTIAL EXEMPTION$0

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