OFF MARKET

Off market jul 2015 for $445K

$699,837

Est. refi paymentEst. refi $1,496/mo

•

1,315

sq ft

3 Seal Hbr #642, Winthrop, MA 02152

About this home

Spectacular oceans views from every room in this two bedroom, two bath condominium. 100 yards to the ocean. Walk in closets. Very well maintained. Brand new HVAC unit. Supplemental baseboard heat. Updated kitchen. New refrigerator. Newer stove, microwave, washer and dryer. Tiled balcony. Cat 6 cabled. Storm windows and sliding glass door. Quiet area. Adjacent park. 15 minutes to Boston’s Financial District. Heated outdoor pool with showers, bathrooms, full pool house kitchen, outdoor Jacuzzi and 2 gas grills Secure garage parking 24/7 concierge. On site management. Health club – 365 day indoor pool, Jacuzzi, sauna and a huge deck with views of Boston (great for viewing Independence Day fireworks), Three function rooms – 10th floor has ping pong, billiards Recycling, Storage unit, Watersport storage, Bicycle storage, Mature grounds

CondoProperty Type

1988Year Built

$532Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Mark Carangelo • Seal Harbor Realty

Bought with Laura D'Amico • Century 21 North Shore

Redfin checked: 2 minutes ago

•Source:MLS PIN #71821378

Redfin Estimate

$699,837

$255K since sold in July 2015$10K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.8% 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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$397,153

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
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65 Sunnyside Ave, Winthrop, MA 02152
OPEN TODAY, 12PM TO 1:30PM
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3 beds1.5 baths1,406 sq ft
9 Lincoln St, Winthrop, MA 02152
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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
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3 beds2 baths1,925 sq ft
115 Read St #1, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
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3 beds2 baths2,916 sq ft
115 Read St #2, Winthrop, MA 02152
OPEN TODAY, 11:30AM TO 1PM
$629,900
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See all

Provided by Redfin

Sale history for 3 Seal Hbr #642

Year

Property tax

Land + Additions

Assessment*

2023

$5,715 (+0.9%)

$534,100

2022

$5,666 (−2.2%)

$481,800

2021

$5,792 (+3.5%)

$456,800

2020

$5,594 (−1.2%)

$443,300

2019

$5,661 (−3.0%)

$429,500

2018

$5,838 (+2.9%)

$412,300

2017

$5,675 (+0.3%)

$393,800

2016

$5,658 (+18.3%)

$368,100

2014

$4,782 (−1.5%)

$306,900

2013

$4,856 (+2.9%)

$325,700

2012

$4,719 (+8.4%)

$325,700

2011

$4,355 (−9.0%)

$315,600

2010

$4,787 (+24.5%)

$376,900

2009

$3,844

$385,600

Tax history for 3 Seal Hbr #642

Year

Property tax

Land + Additions

Assessment*

2023

$5,715 (+0.9%)

$534,100

2022

$5,666 (−2.2%)

$481,800

2021

$5,792 (+3.5%)

$456,800

2020

$5,594 (−1.2%)

$443,300

2019

$5,661 (−3.0%)

$429,500

2018

$5,838 (+2.9%)

$412,300

2017

$5,675 (+0.3%)

$393,800

2016

$5,658 (+18.3%)

$368,100

2014

$4,782 (−1.5%)

$306,900

2013

$4,856 (+2.9%)

$325,700

2012

$4,719 (+8.4%)

$325,700

2011

$4,355 (−9.0%)

$315,600

2010

$4,787 (+24.5%)

$376,900

2009

$3,844

$385,600

*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.

1,302

Year built

1987

Style

Condo/Co-op

County

APN

1425384

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 21, 2023.

Property details

Parking

Parking Information
Has Garage
Has Open Parking
# of Garage Spaces: 2
# of Covered Spaces: 2
Parking Spaces: 2
AttachedGarageYN: Yes
Parking Features: Attached, Under, Garage Door Opener, Deeded, Off Street, Common, Guest, Paved

Interior

Master Bedroom Information
Area: 204
Length: 12
Width: 17
Level: First
Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Walk-In Closet(s),Flooring - Wall to Wall Carpet,Window(s) - Picture,High Speed Internet Hookup

Bedroom #2 Information
Area: 168
Length: 12
Width: 14
Level: First
Features: Bathroom - Full,Walk-In Closet(s),Flooring - Wall to Wall Carpet,High Speed Internet Hookup

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

Bathroom #1 Information
Area: 49
Length: 7
Width: 7
Level: First

Bathroom #2 Information
Area: 72
Length: 8
Width: 9
Level: First
Features: Bathroom - Full,Bathroom - Tiled With Tub,Bathroom - With Tub & Shower,Walk-In Closet(s),Flooring - Stone/Ceramic Tile

Living Room Information
Area: 192
Length: 16
Width: 12
Level: First
Features: Flooring - Wall to Wall Carpet,Balcony / Deck,High Speed Internet Hookup

Dining Room Information
Area: 192
Length: 16
Width: 12
Level: First
Features: Flooring - Wall to Wall Carpet,Balcony / Deck,Balcony - Exterior,High Speed Internet Hookup

Kitchen Information
Area: 120
Length: 15
Width: 8
Level: First
Features: Flooring - Stone/Ceramic Tile,Dining Area,Countertops - Stone/Granite/Solid,Countertops - Upgraded,Remodeled,Stainless Steel Appliances

Basement Information
Basement: Y

Laundry Information
Laundry Dimen: 3X5
Laundry Features: Electric Dryer Hookup, Washer Hookup, First Floor, Common Area, In Building, In Unit

Interior Features
# of Rooms (Total): 4
Door Features: Insulated Doors, Storm Door(s)
Window Features: Insulated Windows, Storm Window(s)
Flooring: Tile, Carpet

Exterior

Building Information
Building Name: Seal Harbor Three Condominums
Building Area (Total): 1,315
Construction Materials: Frame, Brick, Stone
StructureType: Mid-Rise
Stories (Total): 10
Year Built Source: Owner
Year Built Details: Actual
Lead Paint: None

Exterior Features
Roof: Rubber
Patio And Porch Features: Porch, Deck - Roof, Patio
Exterior Features: Porch, Deck - Roof, Patio, Hot Tub/Spa, Storage, City View(s), Gazebo, Outdoor Shower, Professional Landscaping, Sprinkler System, Stone Wall, Tennis Court(s)

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

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Common Walls: 2+ Common Walls
Entry Level: 6
Entry Location: Unit Placement(Upper,Front)
Green Energy Efficient : Thermostat
Security Features: TV Monitor, Doorman, Security Guard, Concierge
Other Structures: Gazebo
Has Waterview
Bay, Harbor, Ocean

Lot Information
ViewYN: Has View
View: City
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $5,133.72
Tax Year: 2015

Utilities

Utility Information
Utilities: for Electric Range, for Electric Oven, for Electric Dryer, Icemaker Connection
Sewer: Public Sewer
Water Source: Public
Electric: Generator, 110 Volts

Heating & Cooling
Has Heating
Has Cooling
Heating: Central, Electric Baseboard, Heat Pump, Electric, Individual, Unit Control
Cooling: Central Air, Heat Pump, Unit Control

Location

HOA Information
Association Fee: $598
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, Laundry, Elevator(s), Tennis Court(s), Recreation Facilities, Paddle Tennis, Fitness Center, Sauna/Steam, Clubroom, Trail(s), Storage, Garden Area

Location Information
Directions: Please use google maps to 3 Seal Harbor road, Winthrop MA 02152
UnparsedAddress: 3 Seal Harbor # 642, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Laundromat, Conservation Area, Public School, T-Station
Pets Allowed: Yes w/ Restrictions

Public facts

Beds: 2
Baths: 2.0
Sq. Ft.: 1,302
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425384

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

$665,000 – $805,000

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Home values near 3 Seal Hbr #642

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Rd Apt 135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$588,593
3 Seal Harbor Rd Apt 334, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$511,394
3 Seal Harbor Rd Apt 346, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$641,011
3 Seal Harbor Rd Apt 448, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$577,401
3 Seal Harbor Rd Apt 544, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$625,086
3 Seal Harbor Rd Apt 548, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$648,923
3 Seal Harbor Rd Apt 735, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$618,151

Address	Redfin Estimate
3 Seal Harbor Rd Apt 237, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,080
3 Seal Harbor Rd Apt 335, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$754,789
3 Seal Harbor Rd Apt 431, Winthrop, MA 1 Beds \| 1.5 Baths \| 1010 Sq. Ft.	$520,105
3 Seal Harbor Rd Apt 531, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$513,122
3 Seal Harbor Rd Apt 545, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$554,422
3 Seal Harbor Rd Apt 645, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$580,531
3 Seal Harbor Rd Apt 741, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$440,466

Address	Redfin Estimate
3 Seal Harbor Rd Apt 331, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$468,631
3 Seal Harbor Rd Apt 341, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$455,695
3 Seal Harbor Rd Apt 447, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$602,062
3 Seal Harbor Rd Apt 533, Winthrop, MA 2 Beds \| 2 Baths \| 1286 Sq. Ft.	$589,416
3 Seal Harbor Rd Apt 546, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$590,557
3 Seal Harbor Rd Apt 647, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$613,938
3 Seal Harbor Rd Apt 747, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$589,077

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

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