9 Dolphin Ave, Winthrop, MA 02152 Property Records

Suffolk County and Winthrop Town City property record for 9 Dolphin Ave, Winthrop, MA 02152

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,816 sqft · built 1920
Lot Size	0.103 acres (4,500 sqft)
Owner	2 Individual Names on File
Last Sale	$804,000 (Feb 2025)
Tax Bill	$8,580 (2026)
Deeds & Mortgages	Feb 2026 Mortgage Sep 2021 Refinance + 3 more
Flood Zone	Zone AE (high risk)
APN	`WINT M:039 L:045`

Property Details

APN / Parcel Number

Primary APN	`WINT M:039 L:045`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	3 Stories
Building Area	1,816 sqft Living Area
Gross Area	3,676 sqft
Basement Area	777 sqft
Unfinished Basement	777 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Roof Type	Gable
Roof Material	Asphalt
Lot Area	4,500 sqft (0.103 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Street Address	9 DOLPHIN AVE
City	WINTHROP
State	MA
Zip	02152-1221
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	SOUTH END HOMES
Legal Lot Number	45
Jurisdiction	WINTHROP MA
Township / Civil Division	WINTHROP TOWN
Census Block Group	1
Census Block	1010
Census Tract	180500

Owner

9 Dolphin Ave is owned and occupied by two individuals who bought it in February 2025.

Source: Suffolk County and Winthrop Town City records, as of October 20, 2026

Owner of Record	2 Individual Names on File
Mailing Address	9 DOLPHIN AVE, WINTHROP, MA 02152-1221
Occupancy	Owner Occupied
Owner Type	Individual

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
Feb 17, 2026	Deed of Trust, Mortgage · Conventional Mortgage HARVARD FCU
Sep 8, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance NEW FED MORTGAGE CORP
Apr 3, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Sep 23, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Jun 28, 2019	Foreclosure NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 7, 2025 · Amount on File
Deed Sale	Feb 7, 2025 · Amount on File
Prior Sale	Apr 3, 2020 · Amount on File
Deed Document Number	20256884
Deed Book / Page	71067 / 174
Record Updated	Oct 29, 2026

February 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WINTHROP MA
Property Address	9 DOLPHIN AVE, WINTHROP, MA 02152-1221
Transaction Type	Mortgage
Record Updated	Mar 11, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	072423-209
Date	Feb 17, 2026
Book Page	72423/209
Instrument	8635

Lender

Name	HARVARD FCU

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2056

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WINTHROP MA
Property Address	9 DOLPHIN AVE, WINTHROP, MA 02152-1221
Transaction Type	Mortgage
Record Updated	Sep 24, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	66246-57
Date	Sep 8, 2021
Book Page	66246/57
Instrument	100531

Lender

Name	NEW FED MORTGAGE CORP

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2051

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WINTHROP MA
Recording Date	Apr 3, 2020
Property Address	9 DOLPHIN AVE, WINTHROP, MA 02152-1221
Document Number	62787-203
Book / Page	062787 / 000203
Instrument Date	Apr 2, 2020
Instrument	27042
Transaction Type	Transfer
Record Updated	Apr 21, 2020
Title Company	NOT AVAILABLE

Transaction

Amount	Amount on Record
Tax	$2,645.00
Amount Accuracy	Confirmed
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9 DOLPHIN AVE WINTHROP MA 021521221, WINTHROP, MA 02152-1221

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WINTHROP MA
Recording Date	Sep 23, 2019
Property Address	9 DOLPHIN AVE, WINTHROP, MA 02152-1221
Document Number	61777-122
Book / Page	061777 / 000122
Instrument Date	Sep 20, 2019
Instrument	80370
Transaction Type	Transfer
Record Updated	Oct 8, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount on Record
Tax	$1,484.28
Amount Accuracy	Confirmed
Additional	Lis Pendens Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	25 PLUMMER AVE WINTHROP MA 021522023, WINTHROP, MA 02152-2023

June 2019: Foreclosure

Document Type	Foreclosure
Jurisdiction	WINTHROP MA
Recording Date	Jun 28, 2019
Property Address	9 DOLPHIN AVE, WINTHROP, MA 02152-1221
Document Number	61346-108
Book / Page	061346 / 000108
Instrument Date	Jun 19, 2019
Instrument	52030
Transaction Type	Foreclosure
Record Updated	Jul 16, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount on Record
Tax	$1,933.44
Amount Accuracy	Confirmed

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	4425 PONCE DE LEON BLVD #4THF CORAL GABLES FL 331461837, 4THF, CORAL GABLES, FL 33146-1837

Tax Assessment & Valuation

The 2026 property tax bill for 9 Dolphin Ave was $8,580, up 23.2% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$8,580.00 (+23.24%)	$770,200 (+14.17%) Land $349,100 Building $421,100	$773,502
2025	$6,962.00 (+2.41%)	$674,600 (+3.4%) Land $332,500 Building $342,100
2024	$6,798.00 (+7.68%)	$652,400 (+10.58%) Land $319,600 Building $332,800	$776,245
2023	$6,313.00	$590,000 Land $292,500 Building $297,500

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

Flood

FEMA maps place 9 Dolphin Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

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

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	11.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 107 individual policies
Nearby Flood Policies	205 units insured incl. 98 condo units
Nearby Flood Claims	166 (1978–2012)
Claims Outside the SFHA	2 of 166
Most Recent Claim	Dec 2012 · rainfall accumulation
Claims by Event	Severe Storms And Flooding, May 2006 · 20 claims Coastal Storm, Oct 1991 · 29 claims Coastal Storms, Flood, Ice & Snow, Feb 1978 · 31 claims

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 9 Dolphin 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	WINTHROP WATER DIVISION, (MWRA) serves 19,316 people · EPA ID MA3346000
Water Source	Purchased surface water from MWRA
Last State Inspection	Dec 2023
Lead	8 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 441 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Netafy.

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