4 Dolphin Ave, Winthrop, MA 02152 Property Records

Suffolk County and Winthrop Town City property record for 4 Dolphin Ave, Winthrop, MA 02152

Property Summary

Property TypeDuplex
Details2 bd · 2 ba · 1,788 sqft · built 1920
Lot Size0.083 acres (3,600 sqft)
OwnerIndividual Name on Record
Last Sale$143,000 (Jan 1991)
Tax Bill$6,858 (2026)
Flood ZoneZone AE (high risk)
APNWINT M:039 L:026

Property Details

APN / Parcel Number

Primary APNWINT M:039 L:026

Interior

Bedrooms2 Beds
Full Baths2 Baths
Units2 Units
Stories2 Stories
Building Area1,788 sqft Living Area
Gross Area3,069 sqft
Basement Area877 sqft
Unfinished Basement877 sqft

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1920
Architectural StyleOther
Exterior MaterialWood Siding
Roof TypeHip
Roof MaterialAsphalt
Lot Area3,600 sqft (0.083 acres)

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas

Location & Zoning

Street Address4 DOLPHIN AVE
CityWINTHROP
StateMA
Zip02152-1222
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal Lot Number26
JurisdictionWINTHROP MA
Township / Civil DivisionWINTHROP TOWN
Census Block Group1
Census Block1009
Census Tract180500

Owner

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

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

Owner of RecordIndividual Name on Record
Mailing Address4 DOLPHIN AVE, WINTHROP, MA 02152-1222
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 2, 1991 · Amount on Record
Deed SaleJan 2, 1991 · Amount on Record
Deed Book / Page16657 / 214
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateMassachusetts
CountySuffolk County
MunicipalityWinthrop Town City
Unified School DistrictWinthrop School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$6,858.00 (+13.37%)$615,600 (+5.03%) Land $340,600 Building $275,000$681,098
2025$6,049.00 (+2.06%)$586,100 (+3.04%) Land $324,300 Building $261,800
2024$5,927.00 (+1.04%)$568,800 (+3.76%) Land $311,700 Building $257,100
2023$5,866.00$548,200 Land $285,300 Building $262,900

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

Flood

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

FEMA Flood ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation11.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 107 individual policies
Nearby Flood Policies205 units insured
incl. 98 condo units
Nearby Flood Claims166 (1978–2012)
Claims Outside the SFHA2 of 166
Most Recent ClaimDec 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

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 SystemWINTHROP WATER DIVISION, (MWRA)
serves 19,316 people · EPA ID MA3346000
Water SourcePurchased surface water from MWRA
Last State InspectionDec 2023
Lead8 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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

ProviderMax 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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