302 Commonwealth Ave, Boston, MA 02115 Property Records

Suffolk County and Boston City property record for 302 Commonwealth Ave, Boston, MA 02115

Property Summary

Property Type	Condominium
Details	1 bd · 1 ba · 659 sqft · built 1900
Lot Size	0.015 acres (659 sqft)
Owner	Individual Name on File
Last Sale	$798,000 (Jun 2026)
Tax Bill	$10,274 (2025)
Deeds & Mortgages	Jun 2026 Mortgage Jun 2026 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`CBOS W:05 P:03071 S:010`

Property Details

APN / Parcel Number

Primary APN	`CBOS W:05 P:03071 S:010`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	3 Rooms
Units	6 Units
Stories	1 Story
Building Area	659 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1987
Architectural Style	Other
Exterior Material	Brick
Roof Type	Flat
Lot Area	659 sqft (0.015 acres)
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Electric

Location & Zoning

Street Address	302 COMMONWEALTH AVE
City	BOSTON
State	MA
Zip	02115-2400
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	CD
Legal Subdivision	COMMONWEALTH 302 CONDO
Jurisdiction	BOSTON MA
Township / Civil Division	BOSTON
Census Block Group	3
Census Block	3001
Census Tract	10701

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

302 Commonwealth Ave, a condominium, is owned and occupied by an individual who bought it in June 2026.

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

Owner of Record	Individual Name on File
Mailing Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

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
Jun 12, 2026	Deed of Trust, Mortgage
Jun 12, 2026	Deed of Trust, Mortgage · ARM LIBERTY BANK
Jun 12, 2026	Condominium Deed, Transfer · Stand-Alone Second Mortgage

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 12, 2026 · Amount on File
Deed Sale	Jun 12, 2026 · Amount on File
Prior Sale	Oct 4, 2007 · Amount on File
Deed Document Number	202636500
Deed Book / Page	72879 / 47
Record Updated	Sep 20, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Recording Date	Jun 12, 2026
Property Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400
Document Number	0072879-88
Book / Page	72879 / 88
Instrument Date	Jun 12, 2026
Instrument	202636503
Transaction Type	Mortgage
Record Updated	Jul 12, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400

Mortgage

Document Number	0000036503,
Date	Jun 12, 2026
Book Page	72879/88
Instrument	202636503

Lender

Agreement

Amount	Amount on Record
Term	360 Months

Interest

Rate	6.36%
Max Rate	-1%

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOSTON MA
Recording Date	Jun 12, 2026
Property Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400
Document Number	0072879-51
Book / Page	72879 / 51
Instrument Date	Jun 12, 2026
Instrument	202636501
Transaction Type	Mortgage
Record Updated	Jul 12, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400

Mortgage

Document Number	0000036501,
Date	Jun 12, 2026
Book Page	72879/51
Instrument	202636501

Lender

Name	LIBERTY BANK

Agreement

Type	ARM
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.38%
Initial Type	Adjustable Rate
Type Change Date	Jul 1, 2033
Index	Other
Margin	3
Max Rate	-1%

June 2026: Condominium Deed, Transfer

Document Type	Condominium Deed
Jurisdiction	BOSTON MA
Recording Date	Jun 12, 2026
Property Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400
Document Number	0000036500
Book / Page	72879 / 47
Instrument Date	Jun 8, 2026
Instrument	202636500
Transaction Type	Transfer
Record Updated	Jul 1, 2026

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	302 COMMONWEALTH AVE, BOSTON, MA 02115-2400

Mortgage

Date	Jun 12, 2026

Lender

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record

Interest

Rate	6.3%
Max Rate	-1%

Tax Assessment & Valuation

The 2025 property tax bill for 302 Commonwealth Ave was $10,274, 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	$10,274.00 (+6.25%)	$887,200 (-) Building $887,200	$703,475 (+4.03%)
2024	$9,670.00 (+6.56%)	$887,200 (+4.99%) Building $887,200	$676,210
2023	$9,075.00	$845,000 Building $845,000

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

Flood

FEMA maps place 302 Commonwealth Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1978.

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	2 in force
Nearby Flood Claims	3 (1978)
Most Recent Claim	Jul 1978 · 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 302 Commonwealth Ave 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 684 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
Starry Fixed Wireless · Fiber in parts of the area	800 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Astound Broadband, Netafy.

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