OFF MARKET

Off market sep 2021 for $537K

$599,980

Est. refi paymentEst. refi $3,564/mo

•

1,310

sq ft

3 Seal Harbor Rd #745, Winthrop, MA 02152

About this home

Boston's best kept secret! Seal Harbor is located on a private peninsula with sweeping views of the Atlantic Ocean. This 1300+ square foot, 2 bedroom, 2 bath units faces South East offering majestic ocean sunrises and morning sunshine. The split floor plan offers private ensuite bedrooms also with stunning views. The kitchen has updates with Corian counters. The unit comes with 2 garage parking spaces and there is plenty of out door guest parking. At Seal Harbor you will enjoy concierge, in door and out door pools, a fitness center, tennis, and gorgeous grounds with seaside gazebo. Life is better at Seal Harbor in beautiful Winthrop by the Sea, oh so close to Boston. Winthrop affords public transportation to Boston in minutes by auto, the T and the town owned water shuttle. Winthrop also offers three yacht clubs, a golf course, three new schools, beaches and miles of seaside waking trails.

CondoProperty Type

1987Year Built

$458Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Highland Group • Compass

Bought with Highland Group • Compass

Redfin checked: a minute ago

•Source:MLS PIN #72875455

Redfin Estimate

$599,980

$62K since sold in September 2021$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.6% lower than the average sale price ($649K) of 6 comparable homes.

SOLD BY REDFIN OCT 23, 2026
$623,000
A
2 beds2 baths1,302 sq ft
3 Seal Harbor Rd #342, Winthrop, MA 02152
SOLD SEP 15, 2026
$715,500
B
2 beds2 baths1,414 sq ft
1 Seal Hbr #700, Winthrop, MA 02152
SOLD AUG 26, 2026
$589,000
C
2 beds2 baths1,241 sq ft
1 Seal Harbor Rd #116, Winthrop, MA 02152
SOLD MAY 7, 2026
$632,000
D
2 beds2 baths1,302 sq ft
3 Seal Hbr #344, Winthrop, MA 02152
SOLD MAR 2, 2026
$670,000
E
2 beds2 baths1,327 sq ft
3 Seal Harbor Rd #137, Winthrop, MA 02152
SOLD OCT 15, 2026
$665,000
F
2 beds2 baths1,471 sq ft
550 Pleasant St #510, Winthrop, MA 02152

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$182,245

Est. take-home

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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

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See all

Provided by Redfin

Sale history for 3 Seal Harbor Rd #745

Date

Event

Price

MLS PIN #72875455

Sep 15, 2021

Sold

$537,500

$410/sq ft

Aug 20, 2021

Contingent

—

Aug 18, 2021

Price Changed

$540,000

$412/sq ft

Aug 3, 2021

Listed

$569,900

$435/sq ft

MLS PIN #71089948

Aug 30, 2010

Sold

$335,000

$256/sq ft

Jun 28, 2010

Contingent

—

Jun 24, 2010

Relisted

—

Jun 17, 2010

Contingent

—

Jun 3, 2010

Listed

$339,000

$259/sq ft

Public Records

Nov 14, 2008

Sold

$330,000

$252/sq ft

MLS PIN #70736735

Nov 16, 2008

Listing Removed

—

Nov 14, 2008

Sold

$330,000

$252/sq ft

Oct 7, 2008

Contingent

—

Oct 7, 2008

Relisted

—

Oct 2, 2008

Contingent

—

Aug 4, 2008

Price Changed

$399,000

$305/sq ft

Apr 2, 2008

Listed

$419,000

$320/sq ft

Gorgeous Ocean Views from this spacious 2 bedroom, 2 bath condo. Located 5 miles from Boston's Waterfront, this 1310 square foot unit has 2 master suites, large walk in closets, open floor plan, washer/dryer, brand new HVAC system, private deck and 2 deeded garage parking spaces. Indoor heated swimming pool on the penthouse level as well as a seasonal outdoor pool, both with Jacuzzi's. This is a full service building with 24 hour concierge and many amenities including a resident skyline room.

MLS PIN #50493689

May 18, 1998

Sold

$211,000

$161/sq ft

Apr 8, 1998

Listing Removed

—

Mar 13, 1998

Listed

$219,900

$168/sq ft

Public Records

Dec 19, 1988

Sold

$217,000

$166/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$5,593 (+5.6%)

$522,700

2022

$5,294 (−2.2%)

$450,200

2021

$5,412 (+3.5%)

$426,800

2020

$5,228 (−1.2%)

$414,300

2019

$5,290 (−3.1%)

$401,400

2018

$5,460 (+2.8%)

$385,600

2017

$5,309 (−2.0%)

$368,400

2016

$5,416 (+18.3%)

$352,400

2014

$4,579 (−1.5%)

$293,900

2013

$4,650 (+2.9%)

$311,900

2012

$4,519 (+1.6%)

$311,900

2011

$4,446 (−7.4%)

$322,200

2010

$4,799 (+22.7%)

$377,900

2009

$3,910

$392,200

Tax history for 3 Seal Harbor Rd #745

Year

Property tax

Land + Additions

Assessment*

2023

$5,593 (+5.6%)

$522,700

2022

$5,294 (−2.2%)

$450,200

2021

$5,412 (+3.5%)

$426,800

2020

$5,228 (−1.2%)

$414,300

2019

$5,290 (−3.1%)

$401,400

2018

$5,460 (+2.8%)

$385,600

2017

$5,309 (−2.0%)

$368,400

2016

$5,416 (+18.3%)

$352,400

2014

$4,579 (−1.5%)

$293,900

2013

$4,650 (+2.9%)

$311,900

2012

$4,519 (+1.6%)

$311,900

2011

$4,446 (−7.4%)

$322,200

2010

$4,799 (+22.7%)

$377,900

2009

$3,910

$392,200

*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.

1,310

Year built

1987

Style

Condo/Co-op

County

APN

1425402

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: 2
# of Covered Spaces: 2
Parking Spaces: 2
AttachedGarageYN: Yes
Parking Features: Attached, Off Street

Interior

Bathroom Information
# of Bathrooms (Full): 2

Basement Information
Basement: Y

Laundry Information
Laundry Features: In Unit, Electric Dryer Hookup

Interior Features
# of Rooms (Total): 5
Flooring: Carpet

Exterior

Building Information
Building Area (Total): 1,310
Construction Materials: Brick
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Approximate
Lead Paint: None

Exterior Features
Roof: Rubber
Patio And Porch Features: Deck
Exterior Features: Deck

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

Property Information
Accessibility Features: Accessible Entrance
PropertySubType: Condominium
Property AttachedYN: Yes
Entry Level: 7
Entry Location: Unit Placement(Upper)
Security Features: Doorman
Has Waterview
Ocean

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $5,411.82
Tax Year: 2021

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: Central, Heat Pump, Electric
Cooling: Central Air

Location

HOA Information
Association Fee: $768
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, Fitness Center, Sauna/Steam, Garden Area

Location Information
Directions: Crest Ave. to Grovers to Seal Harbor Road
UnparsedAddress: 3 Seal Harbor Road # 745, 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, House of Worship, Marina, Public School
Pets Allowed: Yes w/ Restrictions

Public facts

Beds: 2
Baths: 2.0
Sq. Ft.: 1,310
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425402

Home facts updated by county records on Aug 25, 2023

Other

Miscellaneous Information
Heat Zones: 1

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

$570,000 – $690,000

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Home values near 3 Seal Harbor Rd #745

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Road #133, Winthrop, MA 1 Beds \| 1 Baths \| 910 Sq. Ft.	$577,480
3 Seal Harbor Road #234, Winthrop, MA 1 Beds \| 1 Baths \| 890 Sq. Ft.	$497,548
3 Seal Harbor Road #244, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$590,550
3 Seal Harbor Road #344, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$628,164
3 Seal Harbor Road #443, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$487,963
3 Seal Harbor Road #536, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$926,223
3 Seal Harbor Road #731, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$570,202

Address	Redfin Estimate
3 Seal Harbor Road #135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$588,593
3 Seal Harbor Road #237, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,080
3 Seal Harbor Road #334, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$511,394
3 Seal Harbor Road #346, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$641,011
3 Seal Harbor Road #446, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$638,382
3 Seal Harbor Road #548, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$648,923
3 Seal Harbor Road #741, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$440,466

Address	Redfin Estimate
3 Seal Harbor Road #137, Winthrop, MA 2 Beds \| 2 Baths \| 1327 Sq. Ft.	$692,856
3 Seal Harbor Road #242, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$648,184
3 Seal Harbor Road #337, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$648,784
3 Seal Harbor Road #348, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$660,353
3 Seal Harbor Road #531, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$513,122
3 Seal Harbor Road #645, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$580,531
3 Seal Harbor Road #748, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$686,658

Property information provided by MLS PIN when last listed in 2021. This data may not match . Learn more.

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