1223 Beacon St, Brookline, MA 02446 Property Records

Norfolk County and Brookline Town property record for 1223 Beacon St, Brookline, MA 02446 · Last verified April 2026

Property Summary

Property TypeMixed Use Commercial Office / Residential
Details20 bd · 26 ba · 40,764 sqft · built 1900
Lot Size0.73 acres (31,808 sqft)
OwnerCompany Name on File
Flood ZoneZone X (minimal risk)
APN4485021

Property Details

APN / Parcel Number

Primary APN4485021
Alternative APN
  • BROO B:124 L:0004 S:0006

Interior

Bedrooms20 Beds
Full Baths26 Baths
Half Baths12 Half Baths
Total Rooms14 Rooms
Units152 Units
Stories4 Stories
Building Area40,764 sqft Total Area
Gross Area50,622 sqft
Basement Area9,793 sqft
Unfinished Basement3,134 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 2005
Architectural StyleOther
Exterior MaterialBrick
Construction TypeMasonry / Concrete Block
Roof TypeFlat
Roof MaterialOther
Lot Area31,808 sqft (0.73 acres)

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number4485021
Street Address1223 BEACON ST
CityBROOKLINE
StateMA
Zip02446-5302
Property CategoryCommercial
Property TypeCommercial > Office > Mixed Use Commercial Office / Residential
Legal Block124
Legal Lot Number4
JurisdictionBROOKLINE MA
Township / Civil DivisionBROOKLINE
Census Block Group1
Census Block1001
Census Tract400100

Owner

Source: Norfolk County and Brookline Town records · APN 4485021

Assessment roll updated April 14, 2026 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on File
Mailing Address300 INDEPENDENCE DR, CHESTNUT HILL, MA 02467-3668
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record UpdatedJun 08, 2026

Tax Assessment & Valuation

Source: Norfolk County and Brookline Town records · Assessment roll updated April 14, 2026 · Last verified April 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyNorfolk County
County SubdivisionBrookline Town
Unified School DistrictBrookline School District (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

YearAssessed Value
2025$27,238,800 (+5.99%) Land $5,229,100 Building $22,009,700
2024$25,698,800 (+4.73%) Land $5,229,100 Building $20,469,700
2023$24,539,300 Land $6,965,700 Building $17,573,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Norfolk County (25021C), updated May 26, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250214001001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Claims1 (1998)
Claims Outside the SFHA1 of 1
Most Recent ClaimJun 1998, tidal / storm surge, Heavy Rains And Flooding

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026

Historic DistrictWithin the Beacon Street Historic District
listed 1985 · 139 contributing resources · NRIS 85003322

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 556 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 2,000
Radiate HoldingsCable1,500 / 50
VerizonFixed Wireless1,000 / 75
T-Mobile USAFixed Wireless100 / 20
AT&TFixed Wireless100 / 20

May also be available at this address: Starry, Radiate Holdings, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

Nearby Properties on Beacon St

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