OFF MARKET

Off market jan 2023 for $808K

$817,481

Est. refi paymentEst. refi $4,372/mo

•

1,674

sq ft

3 Seal Harbor Rd #636, Winthrop, MA 02152

About this home

LUXURY OCEAN FRONT CONDO-Wake up to the sound of the ocean waves every morning in this updated high quality open concept 3 BEDROOM 2.5 BATH ocean front retreat. This unit has been amazingly updated throughout and has custom walk in closets. 3 Seal Harbor has 24/7 concierge, 2 deeded garage spaces, outdoor heated oceanside pool, indoor rooftop pool, sun deck with breathtaking ocean and Boston skyline views, fitness facility, sauna, tennis courts, billiards room, function rooms, extra storage, & much more! Easy access to downtown Boston by “T,” water shuttle or car. RARELY are there 3 BEDROOM 2.5 BATH units available at 3 Seal Harbor. This luxurious unit has been updated with high quality fixtures with NEWER kitchen and baths. There is nothing left to do but move in and enjoy life as you if you are on VACATION 24/7!

CondoProperty Type

1987Year Built

$488Est. Price/Sq.Ft.

2 car garageParking

Listed by Brian Perrin • Brian J. Perrin Real Estate

Bought with Brian Perrin • Brian J. Perrin Real Estate

Redfin checked: a minute ago

•Source:MLS PIN #73058312

Redfin Estimate

$817,481

$9,481 since sold in January 2023$43K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 20.4% higher than the average sale price ($679K) 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 DEC 8, 2025
$850,000
E
3 beds2.5 baths1,674 sq ft
3 Seal Harbor Rd #736, 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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$175,967

Est. take-home

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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
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 Harbor Rd #636

Year

Property tax

Land + Additions

Assessment*

2023

$8,138 (+0.9%)

$760,600

2022

$8,063 (−2.1%)

$685,600

2021

$8,237 (+3.6%)

$649,600

2020

$7,953 (−1.1%)

$630,200

2019

$8,042 (−3.0%)

$610,200

2018

$8,294 (+2.9%)

$585,700

2017

$8,057 (−15.3%)

$559,100

2016

$9,511 (+18.7%)

$618,800

2014

$8,011 (−1.6%)

$514,200

2013

$8,141 (+2.9%)

$546,000

2012

$7,912 (+11.4%)

$546,000

2011

$7,100 (+15.3%)

$514,500

2010

$6,158 (+17.5%)

$484,900

2009

$5,243

$525,900

Tax history for 3 Seal Harbor Rd #636

Year

Property tax

Land + Additions

Assessment*

2023

$8,138 (+0.9%)

$760,600

2022

$8,063 (−2.1%)

$685,600

2021

$8,237 (+3.6%)

$649,600

2020

$7,953 (−1.1%)

$630,200

2019

$8,042 (−3.0%)

$610,200

2018

$8,294 (+2.9%)

$585,700

2017

$8,057 (−15.3%)

$559,100

2016

$9,511 (+18.7%)

$618,800

2014

$8,011 (−1.6%)

$514,200

2013

$8,141 (+2.9%)

$546,000

2012

$7,912 (+11.4%)

$546,000

2011

$7,100 (+15.3%)

$514,500

2010

$6,158 (+17.5%)

$484,900

2009

$5,243

$525,900

*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

2.5

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1989

Sq. Ft.

1,674

Year built

1987

Style

Condo/Co-op

County

APN

1425381

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: 2
# of Covered Spaces: 2
AttachedGarageYN: Yes
Parking Features: Under, Deeded, Off Street, Assigned, Guest

Interior

Bedroom Information
Main Level Bedrooms: 1

Master Bedroom Information
Level: Main,First
Features: Bathroom - Full,Walk-In Closet(s),Flooring - Wall to Wall Carpet

Bedroom #2 Information
Level: First
Features: Bathroom - Full,Walk-In Closet(s),Closet/Cabinets - Custom Built,Flooring - Wall to Wall Carpet,Gas Stove

Bedroom #3 Information
Level: First
Features: Closet,Balcony - Exterior,Deck - Exterior

Bathroom Information
# of Bathrooms (Full): 2
# of Bathrooms (Half): 1

Bathroom #1 Information
Level: First

Bathroom #2 Information
Level: First

Bathroom #3 Information
Level: First

Living Room Information
Level: First
Features: Bathroom - Half,Flooring - Stone/Ceramic Tile

Dining Room Information
Level: First
Features: Ceiling Fan(s),Flooring - Stone/Ceramic Tile,Balcony - Exterior,Open Floorplan,Remodeled,Slider

Kitchen Information
Level: First
Features: Flooring - Stone/Ceramic Tile,Cabinets - Upgraded,Open Floorplan,Gas Stove

Basement Information
Basement: N

Laundry Information
Laundry Features: First Floor, Electric Dryer Hookup, Washer Hookup

Interior Features
# of Rooms (Total): 6
Door Features: Insulated Doors
Window Features: Insulated Windows, Storm Window(s)
Flooring: Wood, Tile, Carpet, Marble, Other
Interior Features: Internet Available - Broadband, Internet Available - DSL

Exterior

Building Information
Building Name: Seal Harbor Three Condominium
Building Area (Total): 1,674
Construction Materials: Brick, Stone, Block
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Approximate

Exterior Features
Exterior Features: Balcony, Professional Landscaping, Sprinkler System, Tennis Court(s)

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

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Common Walls: End Unit, Corner
Entry Level: 6
Entry Location: Unit Placement(Upper)
Green Energy Efficient : Thermostat
Security Features: TV Monitor, Concierge, Security System
Has Waterview
Ocean, Walk to

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $8,062.66
Tax Year: 2022

Utilities

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

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

Location

HOA Information
Association Fee: $1,204.63
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, Clubhouse

Location Information
Directions: Route 145 to Grovers Avenue to Seal Harbor Road.
UnparsedAddress: 3 Seal Harbor Road # 636, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Laundromat, Highway Access, House of Worship, Public School

Public facts

Beds: 3
Baths: 2.5
Sq. Ft.: 1,674
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425381

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

$777,000 – $941,000

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OPEN TODAY, 11AM TO 12:30PM

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Home values near 3 Seal Harbor Rd #636

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Road #134, Winthrop, MA 1 Beds \| 1 Baths \| 897 Sq. Ft.	$456,973
3 Seal Harbor Road #241, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$455,236
3 Seal Harbor Road #332, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$542,991
3 Seal Harbor Road #435, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$572,841
3 Seal Harbor Road #448, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$577,401
3 Seal Harbor Road #632, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$635,576
3 Seal Harbor Road #641, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$464,681

Address	Redfin Estimate
3 Seal Harbor Road #136, Winthrop, MA 2 Beds \| 2.5 Baths \| 1505 Sq. Ft.	$707,159
3 Seal Harbor Road #246, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$568,163
3 Seal Harbor Road #341, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$455,695
3 Seal Harbor Road #444, Winthrop, MA 2 Beds \| 2 Baths \| 1422 Sq. Ft.	$638,738
3 Seal Harbor Road #536, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$926,223
3 Seal Harbor Road #633, Winthrop, MA 2 Beds \| 2 Baths \| 1286 Sq. Ft.	$591,417
3 Seal Harbor Road #642, Winthrop, MA 2 Beds \| 2 Baths \| 1315 Sq. Ft.	$699,837

Address	Redfin Estimate
3 Seal Harbor Road #237, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,080
3 Seal Harbor Road #248, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$660,607
3 Seal Harbor Road #432, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$551,103
3 Seal Harbor Road #447, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$602,062
3 Seal Harbor Road #543, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$488,197
3 Seal Harbor Road #634, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$503,747
3 Seal Harbor Road #644, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$669,720

Property information provided by MLS PIN when last listed in 2022. This data may not match . Learn more.

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