SOLD MAY 19, 2026

Sold on may 2026

$630,000

•

910

sq ft

3 Seal Harbor Rd #133, Winthrop, MA 02152

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About this home

Enter coastal luxury living at The Seal Harbor Condominiums! This 1 bed/1 bath unique unit doesn't just offer an unbeatable location- it has been meticulously renovated from top to bottom with premium finishes & custom touches throughout. Updates include new tile flooring, all-new wooden six-panel doors with glass knobs, fully rewired living room, kitchen, and entryway for modern convenience. Enjoy the spa like fully renovated bathroom, complete with new copper piping, vanity, sink, toilet, mirrors, lighting, and tile work (THE TILE WORK!). The open layout living/dining area boasts a custom-built electric fireplace & new recessed lighting-ideal for relaxing or entertaining. Sleep comfortably w/ your newer windows & new sliding door. The kitchen is a true chefs kiss w/ custom flush-to-ceiling upper cabinetry & farmhouse sink. Storage unit, covered parking, 24/7 concierge, indoor/outdoor pool & fitness room are just a few of the building amenities. Don't miss out on this seaside gem!

CondoProperty Type

1987Year Built

$692Price/Sq.Ft.

$588/moHOA Dues

1 car garageParking

Listed by Christine Goldstein • Lyv Realty

Listed by • Lyv Realty

Bought with Susan Doig • Donnelly + Co.

Redfin checked: a few seconds ago

•Source:MLS PIN #73485345

Redfin Estimate

$600,722

$29K since sold in May 2026$30K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21% higher than the average sale price ($497K) of 6 comparable homes.

SOLD AUG 20, 2026
$550,000
A
1 bed1 bath994 sq ft
1 Seal Harbor Rd #300, Winthrop, MA 02152
SOLD JUN 23, 2026
$575,000
B
1 bed1 bath1,005 sq ft
1 Seal Harbor Rd #401, Winthrop, MA 02152
SOLD APR 3, 2026
$515,000
C
1 bed1 bath840 sq ft
3 Seal Harbor Rd #634, Winthrop, MA 02152
SOLD MAY 15, 2026
$549,000
D
1 bed1 bath1,005 sq ft
1 Seal Harbor Rd #701, Winthrop, MA 02152
SOLD SEP 21, 2026
$430,000
E
1 bed1 bath875 sq ft
350 Revere Beach Blvd Unit 7S, Revere, MA 02151
SOLD AUG 28, 2026
$360,000
F
2 beds1 bath977 sq ft
1000 Governors Dr #4, Winthrop, MA 02152

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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

99.8%

+0.1% MoM

Median sale price

$629K

$6K MoM

Avg. days on market

23d

3 days MoM

Recently sold homes

4 MoM

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Sale and tax history for 3 Seal Harbor Rd #133

Sale History
Tax History

Date

Event

Price

MLS PIN #73485345

May 19, 2026

Sold

$630,000

$692/sq ft

Mar 18, 2026

Contingent

—

Mar 11, 2026

Listed

$649,995

$714/sq ft

MLS PIN #73168744

Dec 15, 2023

Sold

$525,000

$577/sq ft

Oct 17, 2023

Contingent

—

Oct 10, 2023

Listed

$509,000

$559/sq ft

+21

Wake up to the sound of the ocean in this meticulously kept one bedroom walk out condo in the well sought after Seal Harbor Condominiums. This updated unit boasts hardwood floods, stainless steel appliances, granite countertops, in unit laundry and endless sunlight pouring in from the sliders. Enjoy your rare ocean facing private patio with your morning coffee or evening wine (see pics for show stopping sunrise!). The open dining/living area helps utilize every square inch of this one of a kind unit. Additional storage, assigned covered parking, 24/7 concierge, indoor/outdoor pool, fitness room and function room are just some of the wonderful amenities so many move to Seal Harbor for. Winthrop by the Sea is a beautiful & unique community, surrounded by the ocean and just minutes to Boston. Don't miss out on this seaside gem!

MLS PIN #72403035

Dec 4, 2018

Sold

$372,000

$409/sq ft

Nov 8, 2018

Pending

—

Sep 28, 2018

Listed

$379,000

$416/sq ft

+21

WELCOME HOME! Immaculate over-sized condo at 3 Seal Harbor offers ocean views, beautiful grounds, indoor and outdoor pools. Galley style kitchen provides ample prep space with quartz counters and under cabinet lighting. Dining room/living room as well as master bedroom have gorgeous sapele (mahogany) flooring; Turkish limestone in kitchen, hallway and bath. Large walk in closet and additional double size closet, in unit stack-able washer/dryer. All flooring less than 3 yrs old, newer water heater and HVAC system, NEST thermostat for online control. 1 garage deeded parking space and add'tl storage is included. 3 Seal Harbor offers 24 hour concierge, indoor heated pool with hot tub, outdoor pool, exercise room, rec space and so much more! Winthrop By The Sea is on the ocean yet close to Boston and public transportation, a hidden gem of a town.

MLS PIN #72182660

Aug 16, 2017

Sold

$330,000

$363/sq ft

Jun 17, 2017

Pending

—

Jun 15, 2017

Listed

$319,777

$351/sq ft

MLS PIN #70099271

Sep 25, 2005

Sold

$325,000

$357/sq ft

Aug 6, 2005

Listing Removed

—

Oct 2, 2004

Listed

$325,000

$357/sq ft

Public Records

Oct 28, 1987

Sold

$169,000

$186/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$4,105 (+0.9%)

$383,600

2022

$4,067 (−2.1%)

$345,800

2021

$4,154 (+3.6%)

$327,600

2020

$4,009 (+4.4%)

$317,700

2019

$3,839 (−1.8%)

$291,300

2018

$3,911 (+3.0%)

$276,200

2017

$3,798 (+2.5%)

$263,600

2016

$3,704 (+18.6%)

$241,000

2014

$3,124 (−0.4%)

$200,500

2013

$3,136 (+2.9%)

$210,300

2012

$3,047 (−12.9%)

$210,300

2011

$3,500 (+11.7%)

$253,600

2010

$3,132 (+26.3%)

$246,600

2009

$2,479

$248,600

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1989

Sq. Ft.

910

Year built

1987

Style

Condo/Co-op

County

APN

1425312

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 21, 2023.

Property details

Parking

Parking Information
Has Garage
# of Garage Spaces: 1
# of Covered Spaces: 1
Open Parking Spaces: 0
Parking Spaces: 1
AttachedGarageYN: Yes
Parking Features: Attached, Off Street, Deeded

Interior

Bathroom Information
# of Bathrooms (Full): 1

Basement Information
Basement: N

Laundry Information
Laundry Features: In Unit, Electric Dryer Hookup

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 1

Appliances
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer

Interior Features
# of Rooms (Total): 3
Door Features: Insulated Doors
Window Features: Insulated Windows, Storm Window(s)
Flooring: Tile

Exterior

Building Information
Building Name: Seal Harbor
Building Area (Total): 910
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Actual

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Patio

Pool Information
Pool Features: Indoor

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Above Grade Finished Area: 910
Entry Level: 1
Security Features: Doorman, Concierge, Security System
Has Waterview
Ocean

Lot Information
WaterfrontYN: Yes
Waterfront Features: Waterfront, Ocean, Ocean, 0 to 1/10 Mile To Beach, Beach Ownership(Public)

Financial

Tax Information
Tax Annual Amount: $5,048
Tax Year: 2025

Utilities

Utility Information
Utilities: for Electric Range, for Electric Oven, for Electric Dryer
Sewer: Public Sewer
Water Source: Public

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

Location

HOA Information
Association Fee: $588
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Association Amenities: Hot Water, Pool, Elevator(s), Tennis Court(s), Fitness Center, Sauna/Steam, Clubroom, Trail(s), Storage, Garden Area

School Information
Elementary School: William P. Gorman/Fort Banks
Middle Or Junior School: Winthrop Middle
High School: Winthrop High

Location Information
Directions: Pond Street to Seal Harbor
UnparsedAddress: 3 Seal Harbor Rd # 133, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, 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
Pets Allowed: Yes w/ Restrictions

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 910
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425312

Home facts updated by county records on Jul 20, 2023

Other

Miscellaneous Information
Heat Zones: 1

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

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

93/ 100

Exceptional sunlight

Sunscore

This home ranks in the top 3% for direct sun exposure in Winthrop. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

11.5 hrs

5.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$571,000 – $691,000

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Home values near 3 Seal Harbor Rd #133

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$600,433
3 Seal Harbor Rd Apartment 231, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$519,180

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 136, Winthrop, MA 2 Beds \| 2.5 Baths \| 1505 Sq. Ft.	$728,723
3 Seal Harbor Rd Apartment 232, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$637,621

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 137, Winthrop, MA 2 Beds \| 2 Baths \| 1327 Sq. Ft.	$716,906
3 Seal Harbor Rd Apartment 235, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$650,154

Property information provided by MLS PIN when last listed in 2026. This data may not match . Learn more.

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Sale and tax history for 3 Seal Harbor Rd #133

Public record

Property details

Around this home

Schools

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Sun exposure

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Home values near 3 Seal Harbor Rd #133

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