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409 Commonwealth Ave, Unit A, Boston, MA 02215 Property Records

Suffolk County and Boston City property record for 409 Commonwealth Ave, Unit A, Boston, MA 02215

Property Summary

Property TypeCondominium
Details4 bd · 3.5 ba · 3,780 sqft · built 1899
Lot Size0.087 acres (3,780 sqft)
OwnerIndividual Name on File
Tax Bill$74,587 (2025)
Deeds & MortgagesFeb 2020 Mortgage
Jan 2020 Sale
Flood ZoneZone X (minimal risk)
APNCBOS W:05 P:03834 S:012

Property Details

APN / Parcel Number

Primary APNCBOS W:05 P:03834 S:012

Interior

Bedrooms4 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms12 Rooms
Units12 Units
Stories2 Stories
Building Area3,780 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1899
Effective Year BuiltEffective 2012
Architectural StyleOther
Exterior MaterialBrick
Roof TypeFlat
Roof MaterialOther
Lot Area3,780 sqft (0.087 acres)
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C

Location & Zoning

Street Address409 COMMONWEALTH AVE, A
CityBOSTON
StateMA
Zip02215-2356
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodeCD
JurisdictionBOSTON MA
Township / Civil DivisionBOSTON
Census Block Group1
Census Block1001
Census Tract10104

Historic Designation

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

Historic DistrictWithin 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

409 Commonwealth Ave, Unit A is owned and occupied by an individual who acquired it in January 2020.

Source: Suffolk County and Boston City records, as of July 20, 2026

Owner of RecordIndividual Name on File
Mailing Address409 COMMONWEALTH AVE, A, BOSTON, MA 02215-2356
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Feb 3, 2020Deed of Trust, Mortgage · ARM
BOSTON PRIVATE BANK & TRUST COMPANY
Jan 13, 2020Condominium Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateJan 6, 2020
Transfer Doc62386-90
Record UpdatedSep 20, 2026

February 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOSTON MA
Property Address409 COMMONWEALTH AVE UNIT A, A, BOSTON, MA 02215-2356
Transaction TypeMortgage
Record UpdatedFeb 7, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number62485-82
DateFeb 3, 2020
Book Page62485/82
Instrument9156
Lender
NameBOSTON PRIVATE BANK & TRUST COMPANY
TypeBank
Agreement
TypeARM
AmountAmount on Record
Term361 Months
DueMar 1, 2050
Interest
Rate TypeAdjustable Rate
Type Change DateMar 1, 2027

January 2020: Condominium Deed, Transfer

Document TypeCondominium Deed
JurisdictionBOSTON MA
Recording DateJan 13, 2020
Property Address409 COMMONWEALTH AVE UNIT A, A, BOSTON, MA 02215-2356
Document Number62386-90
Book / Page062386 / 000090
Instrument DateJan 6, 2020
Instrument2776
Transaction TypeTransfer
Record UpdatedJan 28, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address409 COMMONWEALTH AVE #A BOSTON MA 022152356, A, BOSTON, MA 02215-2356

Tax Assessment & Valuation

The 2025 property tax bill for 409 Commonwealth Ave, Unit A was $74,587, up 5.7% from the year before.

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

Property Jurisdictions

TypeName
StateMassachusetts
CountySuffolk County
MunicipalityBoston City
Unified School DistrictBoston School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$74,587.00 (+5.7%)$6,441,000 (-0.51%) Building $6,441,000$4,940,285 (-1.65%)
2024$70,567.00 (+6.56%)$6,474,000 (+5%) Building $6,474,000$5,023,410
2023$66,220.00$6,165,700 Building $6,165,700

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 409 Commonwealth Ave, Unit A in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies5 in force
Nearby Flood Claims1 (2001)
Claims Outside the SFHA1 of 1
Most Recent ClaimJun 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

The area around 409 Commonwealth Ave, Unit A has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot 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 SystemBOSTON WATER AND SEWER COMMISSION (MWRA)
serves 675,647 people · EPA ID MA3035000
Water SourcePurchased surface water from MWRA
Last State InspectionMar 2026
Lead6 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureLead service line replacement
currently in violation since Nov 2020
Monitoring and ReportingNone
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

ProviderMax 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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