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

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

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 2,611 sqft · built 1899
Lot Size	0.06 acres (2,611 sqft)
Owner	Company Name on File
Last Sale	$5,475,000 (Jun 2021)
Tax Bill	$49,012 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Nov 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`CBOS W:05 P:03834 S:028`

Property Details

APN / Parcel Number

Primary APN	`CBOS W:05 P:03834 S:028`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,611 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1899
Effective Year Built	Effective 2012
Architectural Style	Other
Exterior Material	Brick
Roof Type	Flat
Roof Material	Other
Lot Area	2,611 sqft (0.06 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	409 COMMONWEALTH AVE, I
City	BOSTON
State	MA
Zip	02215-2356
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	CD
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	1
Census Block	1001
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

409 Commonwealth Ave, Unit I is owned by a company that bought it in June 2021.

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

Owner of Record	Company Name on File
Mailing Address	180 BROOKLINE AVE, 335, BOSTON, MA 02215-3926
Owner Type	Company
Vesting	Company

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

Date	Document
Nov 24, 2021	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA
Nov 25, 2019	Deed of Trust, Mortgage · ARM FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 4, 2021 · Amount on File
Deed Sale	Jun 4, 2021 · Amount on File
Deed Document Number	202162834
Deed Book / Page	65616 / 22
Record Updated	Sep 20, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	409 COMMONWEALTH AVE UNIT I, I, BOSTON, MA 02215-2356
Transaction Type	Mortgage
Record Updated	Dec 10, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	66739-48
Date	Nov 24, 2021
Book Page	66739/48
Instrument	128223

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	1.88%
Type Change Date	Dec 1, 2031
Index	Other

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Property Address	409 COMMONWEALTH AVE UNIT I, I, BOSTON, MA 02215-2356
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	62123-133
Date	Nov 25, 2019
Book Page	62123/133
Instrument	101514

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2049

Interest

Rate Type	Adjustable Rate
Type Change Date	Dec 1, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 409 Commonwealth Ave, Unit I was $49,012, up 6.2% from the year before.

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	Assessed Market Value
2025	$49,012.00 (+6.19%)	$4,232,500 (-0.04%) Building $4,232,500	$5,994,120 (+5.39%)
2024	$46,153.00 (+6.56%)	$4,234,200 (+5%) Building $4,234,200	$5,687,555
2023	$43,310.00	$4,032,600 Building $4,032,600

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 I 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 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	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

The area around 409 Commonwealth Ave, Unit I 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 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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