OFF MARKET

Off market jul 2020 for $402K

$513,122

Est. refi paymentEst. refi $2,666/mo

•

1,033

sq ft

3 Seal Harbor Rd #531, Winthrop, MA 02152

About this home

Live your best life! Seal Harbor Three Condominium offers luxury oceanfront living with 24/7 concierge, outdoor heated ocean side pool, indoor rooftop lap pool, jacuzzi & sun deck w/Boston skyline views, tennis courts, fitness facility, sauna, game room, function rooms, extra storage, ample guest parking & much more! Easy access to downtown Boston by “T”, town owned water shuttle or car. Enjoy breathtaking views of the water, Graves Lighthouse, the Gazebo and seaside walking paths from this oversized, corner 1,033 sqft 1 BR, 1.5 BA w/garage parking boasting a large balcony and southern exposure! This unit features stunning maple wood flooring throughout, a sun-drenched E-I-K, an open floor plan for living & dining w/slider to a large balcony w/ocean views, a large master BR w/ensuite spa-like bath & W-I-C plus in-unit W/D! Winthrop also offers 3 yacht clubs, 2 marinas, beautiful beaches, a golf course, fine dining, bistros & restaurants & attractions such as Deer Island Reservation!

CondoProperty Type

1987Year Built

$497Est. Price/Sq.Ft.

1 car garageParking

Listed by Jennifer Schneider • Century 21 Elite Realty

Bought with Nicole Bettano • 546 Realty Group

Redfin checked: a minute ago

•Source:MLS PIN #72685881

Redfin Estimate

$513,122

$111K since sold in July 2020$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.6% lower than the average sale price ($568K) 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 MAY 19, 2026
$630,000
C
1 bed1 bath910 sq ft
3 Seal Harbor Rd #133, Winthrop, MA 02152
SOLD BY REDFIN OCT 23, 2026
$623,000
D
2 beds2 baths1,302 sq ft
3 Seal Harbor Rd #342, 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 OCT 13, 2026
$479,000
F
2 beds2 baths1,057 sq ft
382 Ocean Ave #902, Revere, MA 02151

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Sell

$205,692

Est. take-home

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Refinance

Est. cash available

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Market trends in 02152, MA

Last updated October 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

FOR SALE BY OWNER
$675,000
3 beds1 bath1,198 sq ft
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OPEN TODAY, 11AM TO 12:30PM
$699,000
3 beds1.5 baths2,053 sq ft
65 Sunnyside Ave, Winthrop, MA 02152
OPEN TODAY, 12PM TO 1:30PM
$730,000
3 beds1.5 baths1,406 sq ft
9 Lincoln St, Winthrop, MA 02152
$835,000
6 beds3 baths2,424 sq ft
11-15 Sturgis St, Winthrop, MA 02152
$365,000
2 beds1 bath782 sq ft
200 Governors Dr #19, Winthrop, MA 02152
OPEN TODAY, 12PM TO 1:30PM
$865,000
2 beds2.5 baths1,806 sq ft
1001 Shirley St #2, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$649,900
3 beds2 baths1,515 sq ft
19 Beal St, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$869,000
3 beds2 baths1,925 sq ft
115 Read St #1, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$889,000
3 beds2 baths2,916 sq ft
115 Read St #2, Winthrop, MA 02152
OPEN TODAY, 11:30AM TO 1PM
$629,900
2 beds1 bath1,166 sq ft
96 Marshall St, Winthrop, MA 02152
See all

Provided by Redfin

Sale history for 3 Seal Harbor Rd #531

Date

Event

Price

MLS PIN #72685881

Jul 17, 2020

Sold

$402,000

$389/sq ft

Jul 9, 2020

Contingent

—

Jul 6, 2020

Listed

$429,000

$415/sq ft

MLS PIN #71950691

Mar 31, 2016

Sold

$329,500

$319/sq ft

Jan 28, 2016

Pending

—

Jan 20, 2016

Listed

$340,000

$329/sq ft

+12

This oversized one bedroom corner unit faces south with views of the gazebo and Graves Lighthouse. The unit has stunning maple floors throughout in very good condition with an eat-in kitchen, dining room/living room combination & master bedroom with very large walk-in closet. Washer/Dryer in the unit and 1 garage parking. Seal Harbor Three is a private oceanfront setting and is proudly maintained and professionally managed with many amenities including an indoor rooftop pool, fitness center, outdoor pool and function room. Seal Harbor affords incredible walking paths along the Atlantic Ocean coast. Seal Harbor is only minutes to Boston by Auto, the T or Winthrop's new water shuttle. Winthrop's many fine restaurants have been recognized by the press.

MLS PIN #30460851

Jan 12, 2001

Sold

$227,000

$220/sq ft

Nov 16, 2000

Listing Removed

—

Nov 13, 2000

Listed

$229,900

$223/sq ft

Public Records

Jun 30, 1998

Sold

$177,000

$171/sq ft

Public Records

Jul 12, 1989

Sold

$162,500

$157/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$4,742 (+1.0%)

$443,200

2022

$4,697 (+3.5%)

$399,400

2021

$4,536 (+3.6%)

$357,700

2020

$4,379 (−1.1%)

$347,000

2019

$4,428 (−3.1%)

$336,000

2018

$4,568 (+2.9%)

$322,600

2017

$4,438 (+2.5%)

$308,000

2016

$4,330 (+18.6%)

$281,700

2014

$3,652 (−1.6%)

$234,400

2013

$3,711 (+2.9%)

$248,900

2012

$3,607 (−4.4%)

$248,900

2011

$3,773 (−3.8%)

$273,400

2010

$3,920 (+28.2%)

$308,700

2009

$3,058

$306,700

Tax history for 3 Seal Harbor Rd #531

Year

Property tax

Land + Additions

Assessment*

2023

$4,742 (+1.0%)

$443,200

2022

$4,697 (+3.5%)

$399,400

2021

$4,536 (+3.6%)

$357,700

2020

$4,379 (−1.1%)

$347,000

2019

$4,428 (−3.1%)

$336,000

2018

$4,568 (+2.9%)

$322,600

2017

$4,438 (+2.5%)

$308,000

2016

$4,330 (+18.6%)

$281,700

2014

$3,652 (−1.6%)

$234,400

2013

$3,711 (+2.9%)

$248,900

2012

$3,607 (−4.4%)

$248,900

2011

$3,773 (−3.8%)

$273,400

2010

$3,920 (+28.2%)

$308,700

2009

$3,058

$306,700

*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

1.5

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1989

Sq. Ft.

1,033

Year built

1987

Style

Condo/Co-op

County

APN

1425361

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 25, 2023.

Property details

Parking

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

Interior

Bathroom Information
# of Bathrooms (Full): 1
# of Bathrooms (Half): 1
Master Bathroom Features: Yes

Basement Information
Basement: Y

Laundry Information
Laundry Features: Electric Dryer Hookup

Interior Features
# of Rooms (Total): 4
Flooring: Tile, Hardwood

Exterior

Building Information
Building Name: Seal Harbor Three Condominium
Building Area (Total): 1,033
StructureType: Mid-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Effective: 1987
Year Built Details: Approximate

Exterior Features
Patio And Porch Features: Deck - Roof
Exterior Features: Deck - Roof, Balcony, Hot Tub/Spa, Garden, Gazebo, Professional Landscaping, Tennis Court(s)

Pool Information
Has Spa
Pool Features: Association, In Ground, Indoor, Heated, Lap
Spa Features: Hot Tub/Spa

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Entry Level: 5
Entry Location: Unit Placement(Upper)
Security Features: Concierge
Other Structures: Gazebo
Has Waterview
Ocean

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $4,379
Tax Year: 2020

Utilities

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

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

Location

HOA Information
Association Fee: $607
Association Fee Frequency: Monthly
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash
Association Amenities: Pool, Laundry, Elevator(s), Tennis Court(s), Recreation Facilities, Fitness Center, Sauna/Steam, Clubroom, Trail(s), Storage, Garden Area

Location Information
Directions: Grovers Ave. take right onto Cliff Ave & enter into Seal Harbor. 2nd Building is 3 Seal Harbor.
UnparsedAddress: 3 Seal Harbor Rd # 531, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Walk/Jog Trails, Golf, Bike Path, T-Station

Public facts

Beds: 1
Baths: 1.5
Sq. Ft.: 1,033
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425361

Home facts updated by county records on Aug 25, 2023

Other

Listing Information
StandardStatus: Closed

Around this home

Schools

K - 12
Preschool & daycare

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

$488,000 – $591,000

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Home values near 3 Seal Harbor Rd #531

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Road Unit 131, Winthrop, MA 1 Beds \| 1 Baths \| 698 Sq. Ft.	$374,535
3 Seal Harbor Road Unit 137, Winthrop, MA 2 Beds \| 2 Baths \| 1327 Sq. Ft.	$692,856
3 Seal Harbor Road Unit 236, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$812,081
3 Seal Harbor Road Unit 348, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$660,353
3 Seal Harbor Road Unit 534, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$504,228
3 Seal Harbor Road Unit 544, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$625,086
3 Seal Harbor Road Unit 742, Winthrop, MA 2 Beds \| 2 Baths \| 1283 Sq. Ft.	$677,992

Address	Redfin Estimate
3 Seal Harbor Road Unit 133, Winthrop, MA 1 Beds \| 1 Baths \| 910 Sq. Ft.	$577,480
3 Seal Harbor Road Unit 231, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$519,179
3 Seal Harbor Road Unit 335, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$754,789
3 Seal Harbor Road Unit 437, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$1,015,500
3 Seal Harbor Road Unit 535, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$581,663
3 Seal Harbor Road Unit 636, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$817,481
3 Seal Harbor Road Unit 743, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$480,887

Address	Redfin Estimate
3 Seal Harbor Road Unit 135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$588,593
3 Seal Harbor Road Unit 234, Winthrop, MA 1 Beds \| 1 Baths \| 890 Sq. Ft.	$497,548
3 Seal Harbor Road Unit 337, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$648,784
3 Seal Harbor Road Unit 441, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$471,857
3 Seal Harbor Road Unit 536, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$926,223
3 Seal Harbor Road Unit 637, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$678,292
3 Seal Harbor Road Unit 831, Winthrop, MA 1 Beds \| 1.5 Baths \| 1010 Sq. Ft.	$562,271

Property information provided by MLS PIN when last listed in 2020. This data may not match . Learn more.

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