431 Beacon St, Boston, MA 02115 Property Records

Suffolk County and Boston City property record for 431 Beacon St, Boston, MA 02115

Property Summary

Property Type	Apartments (5+ Units)
Details	3,408 sqft · built 1900
Lot Size	0.044 acres (1,904 sqft)
Owner	Company Name on Record
Last Sale	$3,575,000 (Oct 2018)
Tax Bill	$27,218 (2025)
Deeds & Mortgages	Oct 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`CBOS W:05 P:03511 S:000`

Property Details

APN / Parcel Number

Primary APN	`CBOS W:05 P:03511 S:000`

Interior

Units	6 Units
Stories	4 Stories
Building Area	3,408 sqft Living Area
Gross Area	4,260 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 2020
Exterior Material	Brick
Construction Type	Brick
Lot Area	1,904 sqft (0.044 acres)

Location & Zoning

Street Address	431 BEACON ST
City	BOSTON
State	MA
Zip	02115-1123
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	R4
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	1
Census Block	1002
Census Tract	10802

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 August 5, 2026

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

Owner of Record	Company Name on Record
Mailing Address	94 MOORE ST, LOWELL, MA 01852-5034
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 29, 2018 · Amount on Record
Deed Sale	Oct 29, 2018 · Amount on Record
Deed Book / Page	60342 / 225
Record Updated	Sep 20, 2026

October 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOSTON MA
Recording Date	Oct 29, 2018
Property Address	431 BEACON ST, BOSTON, MA 02115-1123
Document Number	60342-225
Book / Page	60342 / 225
Instrument	94610
Transaction Type	Transfer
Record Updated	Feb 6, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$215.36
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	603420228
Date	Oct 29, 2018
Instrument	60342/0228

Lender

Name	JOHN PAPADOPOULOS

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Oct 29, 2048

Mortgage

Document Number	60342-230
Date	Oct 30, 2018
Book Page	60342/230
Instrument	94612

Lender

Name	MARIA E PAPADOPOULOS

Agreement

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	$27,218.00 (+2.68%)	$2,350,400 (-3.35%) Land $1,040,900 Building $1,309,500
2024	$26,507.00 (-1.43%)	$2,431,800 (-2.88%) Land $1,040,900 Building $1,390,900
2023	$26,892.00	$2,503,900 Land $1,040,900 Building $1,463,000

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	2 in force

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	Low lower than 98% of the US · lower than 96% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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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