4 BIRDSONG LN
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Location
4 BIRDSONG LN
Mblu
5544/ / 80/ 5 /
Acct#
55440805
Owner
54 PROSPECT STREET LLC
Assessment
$5,178,400
PID
191400
Building Count
2
Current Value
Assessment
Valuation YearImprovementsLandTotal
2026$3,369,000$1,809,400$5,178,400

Owner of Record
Owner54 PROSPECT STREET LLC
Co-Owner
Address103 MOUNT VERNON ST
BOSTON, MA 02108
Sale Price$2,600,000
Certificate
Book & Page C29277/0
Sale Date08/24/2023
Instrument1O

Ownership History
Ownership History
OwnerSale PriceCertificateBook & PageInstrumentSale Date
54 PROSPECT STREET LLC$2,600,000 C29277/01O08/24/2023
LOT 27 NORTH MILL LLC$2,400,000 C28204/01O03/17/2021
MUELLER NANTUCKET ASSC LLC$0 C26733/09912/27/2017

Building Information
Building 1 : Section 1
Year Built: 2023
Living Area: 5,178
Replacement Cost: $4,655,988
Building Percent Good: 65
Replacement Cost
Less Depreciation:
$3,026,400
Building Attributes
FieldDescription
Style:Custom Built
ModelResidential
Grade:Excellent
Stories:2.0
Occupancy 
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverWood Shingle
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Pine/Soft Wood
Interior Flr 2 
Heat FuelElectric
Heat Type:Forced Air-Duc
AC Type:Heat Pump
Total Bedrooms:6
Total Bthrms:6
Total Half Baths:1
Total Xtra Fixtrs: 
Total Rooms: 
Bath Style:Modern
Kitchen Style:Modern
Num Kitchens 
Cndtn 
Num Park 
Fireplaces 
Fndtn Cndtn 
Basement 
Usrfld 706
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
BASFirst Floor 2,402 2,402
FBMBasement, Finished 2,402 1,681
FUSUpper Story, Finished 906 906
TQSThree Quarter Story 252 189
ARBArbor 225 0
FOPPorch, Open, Finished 93 0
STPStoop 28 0
WDKDeck, Wood 18 0
   6,326 5,178
Building 2 : Section 1
Year Built: 2024
Living Area: 324
Replacement Cost: $557,798
Building Percent Good: 55
Replacement Cost
Less Depreciation:
$306,800
Building Attributes : Bldg 2 of 2
FieldDescription
Style:Gar/Apt Res
ModelResidential
Grade:Very Good
Stories:1.75
Occupancy 
Exterior Wall 1Wood Shingle
Exterior Wall 2 
Roof Structure:Gable/Hip
Roof CoverWood Shingle
Interior Wall 1Drywall/Sheet
Interior Wall 2 
Interior Flr 1Concr-Finished
Interior Flr 2Pine/Soft Wood
Heat FuelElectric
Heat Type:Forced Air-Duc
AC Type:Heat Pump
Total Bedrooms:0
Total Bthrms: 
Total Half Baths:1
Total Xtra Fixtrs: 
Total Rooms: 
Bath Style:Modern
Kitchen Style:No Kitchen
Num Kitchens 
Cndtn 
Num Park 
Fireplaces 
Fndtn Cndtn 
Basement 
Usrfld 706
Building Photo Building Photo
Building Layout Building Layout
Building Sub-Areas (sq ft)
CodeDescriptionGross
Area		Living
Area
FHSHalf Story, Finished 432 216
BASFirst Floor 108 108
FGRGarage, Finished 324 0
   864 324

Extra Features
Extra Features
CodeDescriptionSizeValueBldg #
FPL32 STORY CHIM1.00 UNITS$7,9001

Land
Land Use
Use Code1090
DescriptionMULTI HSES M01  
ZoneROH
Neighborhood850
Alt Land ApprNo
Category
Land Line Valuation
Size (Acres)0.22
Frontage
Depth
Assessed Value$1,809,400

Outbuildings
Outbuildings
CodeDescriptionSub CodeSub DescriptionSizeValueBldg #
BTH2W/PLUMBING  192.00 S.F.$27,9001
Valuation History
Assessment
Valuation YearImprovementsLandTotal
2026$3,369,000$1,809,400$5,178,400
2025$0$1,551,900$1,551,900
2024$0$1,551,900$1,551,900

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