OFF MARKET

Off market sep 2015 for $438K

$660,353

Est. refi paymentEst. refi $2,401/mo

•

1,320

sq ft

3 Seal Hbr #348, Winthrop, MA 02152

About this home

Rarely available corner unit located at 3 Seal Harbor. This beautifully renovated home features breathtaking head-on ocean views from every room, a large private balcony and garage parking. This home has undergone a full renovation including gleaming hardwood floors, granite counters and stainless steel appliances. The two large bedrooms feature large windows facing out to the ocean. The master bedroom boasts a large walk in closet and ample storage. 3 Seal Harbor is a meticulously maintained and professionally managed property located steps to the ocean in the highly sought after Winthrop Highlands. The building has many amenities for its residents including an indoor pool, outdoor pool, fitness center and multiple function rooms. There is garage parking for the residents as well as ample guest parking for visitors.

CondoProperty Type

1987Year Built

$500Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Carmela Laurella • CL Properties

Bought with Sheryl Howard • Highland Real Estate

Redfin checked: 2 minutes ago

•Source:MLS PIN #71876229

Redfin Estimate

$660,353

$222K since sold in September 2015$4,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.7% higher 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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$361,626

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

New listings for sale

FOR SALE BY OWNER
$675,000
3 beds1 bath1,198 sq ft
25 North Ave, Winthrop, MA 02152
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 Hbr #348

Date

Event

Price

MLS PIN #71876229

Sep 30, 2015

Sold

$438,000

$332/sq ft

Aug 31, 2015

Pending

—

Jul 20, 2015

Listed

$459,000

$348/sq ft

MLS PIN #70449481

Jun 13, 2007

Sold

$362,000

$274/sq ft

Apr 25, 2007

Listing Removed

—

Aug 31, 2006

Listed

$374,900

$284/sq ft

PRICED RIGHT! Oceanfront living at its best! Spacious two bedroom, two full bath corner unit with private balcony overlooking pool & ocean. Eat in kitchen, dining room, living room w/slider to deck. Very nice floor plan. Large master bedroom w/bath,walk in closet and oceanviews. Good size second bedroom. Complex offers many amenities including indoor/outdoor pools, exercise room, extra climate controlled storage, underground parking, close to Boston! OPEN HOUSE, 4/19, THURSDAY NIGHT, 6-7

MLS PIN #30268352

Dec 21, 1998

Sold

$212,000

$161/sq ft

Oct 16, 1998

Listed

$229,000

$173/sq ft

Public Records

Jun 29, 1988

Sold

$188,000

$142/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$5,583 (+0.9%)

$521,800

2022

$5,531 (−2.1%)

$470,300

2021

$5,650 (+3.6%)

$445,600

2020

$5,456 (−1.1%)

$432,300

2019

$5,518 (−1.9%)

$418,700

2018

$5,623 (+2.9%)

$397,100

2017

$5,463 (+2.5%)

$379,100

2016

$5,330 (+18.6%)

$346,800

2014

$4,495 (−0.4%)

$288,500

2013

$4,515 (+2.9%)

$302,800

2012

$4,388 (−1.5%)

$302,800

2011

$4,456 (+5.8%)

$322,900

2010

$4,210 (+20.0%)

$331,500

2009

$3,509

$352,000

Tax history for 3 Seal Hbr #348

Year

Property tax

Land + Additions

Assessment*

2023

$5,583 (+0.9%)

$521,800

2022

$5,531 (−2.1%)

$470,300

2021

$5,650 (+3.6%)

$445,600

2020

$5,456 (−1.1%)

$432,300

2019

$5,518 (−1.9%)

$418,700

2018

$5,623 (+2.9%)

$397,100

2017

$5,463 (+2.5%)

$379,100

2016

$5,330 (+18.6%)

$346,800

2014

$4,495 (−0.4%)

$288,500

2013

$4,515 (+2.9%)

$302,800

2012

$4,388 (−1.5%)

$302,800

2011

$4,456 (+5.8%)

$322,900

2010

$4,210 (+20.0%)

$331,500

2009

$3,509

$352,000

*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.

1,320

Year built

1987

Style

Condo/Co-op

County

APN

1425345

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
Parking Spaces: 1
AttachedGarageYN: Yes
Parking Features: Under

Interior

Bathroom Information
# of Bathrooms (Full): 2
Master Bathroom Features: Yes

Basement Information
Basement: N

Laundry Information
Laundry Features: In Unit

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

Exterior

Building Information
Building Name: 3 Seal Harbor
Building Area (Total): 1,320
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Actual

Exterior Features
Exterior Features: Balcony

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

Property Information
Accessibility Features: Accessible Entrance
PropertySubType: Condominium
Property AttachedYN: Yes
Common Walls: Corner
Entry Level: 3
Security Features: Concierge
Has Waterview
Ocean

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $4,834.01
Tax Year: 2015

Utilities

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

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

Location

HOA Information
Association Fee: $597
Association Fee Frequency: Monthly
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash
Association Amenities: Pool, Elevator(s), Fitness Center, Sauna/Steam, Clubroom, Garden Area

Location Information
Directions: Cliff Avenue to Seal Harbor.
UnparsedAddress: 3 Seal Harbor # 348, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Shopping, Highway Access, House of Worship, Marina, Private School, Public School, University
Pets Allowed: Yes w/ Restrictions

Public facts

Beds: 2
Baths: 2.0
Sq. Ft.: 1,320
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425345

Home facts updated by county records on Jul 20, 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

$628,000 – $760,000

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OPEN TODAY, 11AM TO 12:30PM

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115 Read St #2, Winthrop, MA 02152

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Home values near 3 Seal Hbr #348

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Rd Apt 132, Winthrop, MA 1 Beds \| 2 Baths \| 1341 Sq. Ft.	$560,362
3 Seal Harbor Rd Apt 332, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$542,991
3 Seal Harbor Rd Apt 434, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$485,984
3 Seal Harbor Rd Apt 445, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$584,906
3 Seal Harbor Rd Apt 632, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$635,576
3 Seal Harbor Rd Apt 637, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$678,292
3 Seal Harbor Rd Apt 644, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$669,720

Address	Redfin Estimate
3 Seal Harbor Rd Apt 234, Winthrop, MA 1 Beds \| 1 Baths \| 890 Sq. Ft.	$497,548
3 Seal Harbor Rd Apt 343, Winthrop, MA 1 Beds \| 1 Baths \| 823 Sq. Ft.	$474,203
3 Seal Harbor Rd Apt 435, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$572,841
3 Seal Harbor Rd Apt 534, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$504,228
3 Seal Harbor Rd Apt 635, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$595,176
3 Seal Harbor Rd Apt 641, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$464,681
3 Seal Harbor Rd Apt 645, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$580,531

Address	Redfin Estimate
3 Seal Harbor Rd Apt 241, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$455,236
3 Seal Harbor Rd Apt 433, Winthrop, MA 2 Beds \| 2 Baths \| 1286 Sq. Ft.	$535,172
3 Seal Harbor Rd Apt 442, Winthrop, MA 2 Beds \| 2 Baths \| 1332 Sq. Ft.	$603,228
3 Seal Harbor Rd Apt 537, Winthrop, MA 2 Beds \| 2 Baths \| 1309 Sq. Ft.	$707,914
3 Seal Harbor Rd Apt 636, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$817,481
3 Seal Harbor Rd Apt 642, Winthrop, MA 2 Beds \| 2 Baths \| 1315 Sq. Ft.	$699,837
3 Seal Harbor Rd Apt 648, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$705,337

Property information provided by MLS PIN when last listed in 2015. This data may not match . Learn more.

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