509 Beacon St, Boston, MA 02215 Property Records

Suffolk County and Boston City property record for 509 Beacon St, Boston, MA 02215

Property Summary

Property Type	Apartments (5+ Units)
Details	4,968 sqft · built 1899
Lot Size	0.052 acres (2,275 sqft)
Owner	Trust Name on Record
Tax Bill	$23,015 (2025)
Deeds & Mortgages	Nov 2021 Refinance
Flood Zone	Zone X (minimal risk)
APN	`CBOS W:05 P:03882 S:000`

Property Details

APN / Parcel Number

Primary APN	`CBOS W:05 P:03882 S:000`

Interior

Units	8 Units
Stories	4 Stories
Building Area	4,968 sqft Living Area
Gross Area	5,962 sqft

Exterior

Year Built	Built 1899
Effective Year Built	Effective 1999
Exterior Material	Brick
Construction Type	Brick
Lot Area	2,275 sqft (0.052 acres)

Location & Zoning

Street Address	509 BEACON ST
City	BOSTON
State	MA
Zip	02215-2342
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	A
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	1
Census Block	1000
Census Tract	10104

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Back Bay Historic District listed 1973 · 1,445 contributing resources · NRIS 73001948

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

Owner

Source: Suffolk County and Boston City records, as of June 4, 2026

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

Owner of Record	Trust Name on Record
Mailing Address	475 COMMONWEALTH AVE, 105, BOSTON, MA 02215-2206
Owner Type	Individual
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Sep 20, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	509 BEACON ST, BOSTON, MA 02215-2342
Transaction Type	Mortgage
Record Updated	Feb 14, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	066712-299
Date	Nov 22, 2021
Book Page	66712/299
Instrument	126840

Lender

Name	BERKSHIRE BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Suffolk County and Boston City assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Suffolk County
Municipality	Boston City
Unified School District	Boston School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$23,015.00 (+3.65%)	$1,987,500 (-2.43%) Land $712,000 Building $1,275,500
2024	$22,204.00 (-1.46%)	$2,037,100 (-2.9%) Land $712,000 Building $1,325,100
2023	$22,533.00	$2,098,000 Land $712,000 Building $1,386,000

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

Flood

Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	5 in force
Nearby Flood Claims	1 (2001)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jun 2001 · rainfall accumulation

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	BOSTON WATER AND SEWER COMMISSION (MWRA) serves 675,647 people · EPA ID MA3035000
Water Source	Purchased surface water from MWRA
Last State Inspection	Mar 2026
Lead	6 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line replacement currently in violation since Nov 2020
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 227 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless · Fiber in parts of the area	1,000 / 75
Starry Fixed Wireless	800 / 250
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, AT&T.

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