OFF MARKET

Off market apr 2025 for $522K

$501,052

Est. refi paymentEst. refi $1,709/mo

•

890

sq ft

3 Seal Harbor Rd #234, Winthrop, MA 02152

About this home

Discover your new home in the luxurious Seal Harbor III high-rise.This newly updated 1-bedroom, 1-bathroom condo offers a modern and inviting space with stunning views of the pool and the Atlantic Ocean. Step into a sleek, stylish interior featuring recessed lighting, brand-new flooring, and all-new appliances. With upgraded storm windows and a new HVAC system, comfort and efficiency are a priority. Seal Harbor III is renowned for its incredible amenities and meticulously maintained grounds. Enjoy peace of mind with 24-hour concierge service, stay active with access to both indoor and outdoor pools, a well-equipped gym, tennis court and a beautiful clubroom for entertaining. Underground garage parking keeps you out of the elements year-round.Experience luxury living by the ocean in the 02152 zip code—schedule your showing today and make this gorgeous condo your own.

CondoProperty Type

1987Year Built

$563Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Nicole Bettano • Lantern Residential

Bought with John LaPlaca • Benoit Real Estate Group ,LLC

Redfin checked: 2 minutes ago

•Source:MLS PIN #73330959

Redfin Estimate

$501,052

$21K since sold in April 2025$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.5% lower than the average sale price ($542K) of 6 comparable homes.

SOLD MAY 19, 2026
$630,000
A
1 bed1 bath910 sq ft
3 Seal Harbor Rd #133, Winthrop, MA 02152
SOLD AUG 20, 2026
$550,000
B
1 bed1 bath994 sq ft
1 Seal Harbor Rd #300, Winthrop, MA 02152
SOLD APR 3, 2026
$515,000
C
1 bed1 bath840 sq ft
3 Seal Harbor Rd #634, Winthrop, MA 02152
SOLD JUN 23, 2026
$575,000
D
1 bed1 bath1,005 sq ft
1 Seal Harbor Rd #401, Winthrop, MA 02152
SOLD MAY 15, 2026
$549,000
E
1 bed1 bath1,005 sq ft
1 Seal Harbor Rd #701, Winthrop, MA 02152
SOLD SEP 21, 2026
$430,000
F
1 bed1 bath875 sq ft
350 Revere Beach Blvd Unit 7S, Revere, MA 02151

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Earn from this home

Sell

$68,220

Est. take-home

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Refinance

Est. cash available

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Market trends in 02152, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.0%

0.9% MoM

Median sale price

$715K

$86K MoM

Avg. days on market

27d

4 days MoM

Recently sold homes

3 MoM

New listings for sale

EARLY ACCESS
$425,000
2 beds1 bath861 sq ft
29 Seafoam Ave #1, Winthrop, MA 02152
FOR SALE BY OWNER
$519,000
3 beds1 bath1,374 sq ft
23 Trident Ave, Winthrop, MA 02152
$665,000
3 beds1.5 baths1,413 sq ft
14 Irwin St, Winthrop, MA 02152
$1,250,000
6 beds3 baths3,420 sq ft
23-25 Fremont St, Winthrop, MA 02152
OPEN SAT, 11:30AM TO 12:30PM
$449,900
1 bed1 bath623 sq ft
130 Shirley St #8, Winthrop, MA 02152
$599,900
1 bed1 bath1,005 sq ft
1 Seal Harbor Rd #601, Winthrop, MA 02152
$599,900
5 beds2.5 baths2,200 sq ft
91 Fremont St, Winthrop, MA 02152
LISTED BY REDFIN
$799,900
5 beds2.5 baths2,437 sq ft
43 Dolphin Ave, Winthrop, MA 02152
OPEN SAT, 11:30AM TO 1PM
$491,900
1 bed1 bath691 sq ft
10 Somerset #205, Winthrop, MA 02152
3D WALKTHROUGH
$529,900
3 beds1 bath1,788 sq ft
283 Revere St #2, Winthrop, MA 02152
See all

Provided by Redfin

Sale history for 3 Seal Harbor Rd #234

Date

Event

Price

MLS PIN #73330959

Apr 18, 2025

Sold

$522,500

$587/sq ft

Jan 30, 2025

Listed

$525,000

$590/sq ft

Public Records

May 9, 2003

Sold

$250,000

$281/sq ft

Public Records

Jul 30, 1998

Sold

$160,000

$180/sq ft

MLS PIN #50303892

Jan 26, 1996

Sold

$113,000

$127/sq ft

Nov 20, 1995

Listing Removed

—

Oct 4, 1995

Listed

$115,000

$129/sq ft

Public Records

May 2, 1994

Sold

$115,000

$129/sq ft

Public Records

Oct 16, 1987

Sold

$176,000

$198/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$3,862 (+0.9%)

$360,900

2022

$3,827 (−2.1%)

$325,400

2021

$3,908 (+3.6%)

$308,200

2020

$3,773 (−1.1%)

$299,000

2019

$3,814 (−3.0%)

$289,400

2018

$3,932 (+2.9%)

$277,700

2017

$3,820 (+2.6%)

$265,100

2016

$3,724 (+18.6%)

$242,300

2014

$3,139 (−1.6%)

$201,500

2013

$3,191 (+2.9%)

$214,000

2012

$3,101 (−8.6%)

$214,000

2011

$3,391 (+8.3%)

$245,700

2010

$3,132 (+27.7%)

$246,600

2009

$2,453

$246,000

Tax history for 3 Seal Harbor Rd #234

Year

Property tax

Land + Additions

Assessment*

2023

$3,862 (+0.9%)

$360,900

2022

$3,827 (−2.1%)

$325,400

2021

$3,908 (+3.6%)

$308,200

2020

$3,773 (−1.1%)

$299,000

2019

$3,814 (−3.0%)

$289,400

2018

$3,932 (+2.9%)

$277,700

2017

$3,820 (+2.6%)

$265,100

2016

$3,724 (+18.6%)

$242,300

2014

$3,139 (−1.6%)

$201,500

2013

$3,191 (+2.9%)

$214,000

2012

$3,101 (−8.6%)

$214,000

2011

$3,391 (+8.3%)

$245,700

2010

$3,132 (+27.7%)

$246,600

2009

$2,453

$246,000

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1989

Sq. Ft.

840

Year built

1987

Style

Condo/Co-op

County

APN

1425320

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Feb 3, 2025.

Property details

Parking

Parking Information
Has Garage
# of Garage Spaces: 1
# of Covered Spaces: 1
Parking Spaces: 3
AttachedGarageYN: Yes
Parking Features: Under, Off Street, Deeded, Common, Guest

Interior

Bathroom Information
# of Bathrooms (Full): 1

Basement Information
Basement: Y

Laundry Information
Laundry Features: In Unit

Interior Features
# of Rooms (Total): 3

Exterior

Building Information
Building Name: Seal Harbor Three
Building Area (Total): 890
Construction Materials: Brick
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Renovated Since

Exterior Features
Exterior Features: Balcony

Pool Information
Pool Features: Association, In Ground, Indoor, Heated, Lap

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Common Walls: 2+ Common Walls
Entry Level: 2
Entry Location: Unit Placement(Upper)
Security Features: Intercom, Doorman, Security Gate, Concierge
Has Waterview
Harbor, Ocean

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $3,860
Tax Year: 2024

Utilities

Utility Information
Utilities: for Electric Range
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Heating
Has Cooling
Heating: Central, Forced Air, Electric
Cooling: Central Air

Location

HOA Information
Association Fee: $615
Association Fee Frequency: Monthly
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Association Amenities: Pool, Elevator(s), Tennis Court(s), Recreation Facilities, Paddle Tennis, Fitness Center, Sauna/Steam, Clubroom, Trail(s)

Location Information
Directions: 3 Seal Harbor located off of Pond St.
UnparsedAddress: 3 Seal Harbor Rd # 234, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Public School, T-Station

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 840
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425320

Home facts updated by county records on Feb 3, 2025

Other

Listing Information
StandardStatus: Closed

Around this home

Schools

William P. Gorman/Fort Banks Elementary School

Public PreK-2 • Assigned • 0.7mi

Winthrop Middle School

Public 6-8 • Assigned • 0.8mi

8/10

Winthrop Senior High School

Public 9-12 • Assigned • 0.8mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Winthrop, MA • 02152

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.2 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$476,000 – $577,000

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Home values near 3 Seal Harbor Rd #234

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 131, Winthrop, MA 1 Beds \| 1 Baths \| 698 Sq. Ft.	$366,573
3 Seal Harbor Rd Apartment 235, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$640,053

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 134, Winthrop, MA 1 Beds \| 1 Baths \| 897 Sq. Ft.	$470,559
3 Seal Harbor Rd Apartment 236, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$851,698

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 136, Winthrop, MA 2 Beds \| 2.5 Baths \| 1505 Sq. Ft.	$710,098
3 Seal Harbor Rd Apartment 243, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$453,510

Property information provided by MLS PIN when last listed in 2025. This data may not match . Learn more.

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