SOLD MAY 7, 2026

Sold on may 2026

$632,000

•

1,302

sq ft

3 Seal Hbr #344, Winthrop, MA 02152

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About this home

Situated at the ocean's edge in Winthrop, Seal Harbor is located just fifteen minutes from Boston's financial district. Building is amenity-rich- 24/7 concierge, on-site management, secure underground deeded garage parking, heated outdoor pool with shower, bathrooms, full poolhouse kitchen, outdoor Jacuzzi & 2 gas grills, year-round access to an indoor pool on the 9th floor, complete with dramatic views, a full, new fitness center, as well as an indoor Jacuzzi and sauna with a large deck-perfect for viewing Independence Day fireworks! Seal Harbor Three boasts 3 separate function rooms where owners and their guests are able to enjoy table tennis, billiards and television. In addition to the mature grounds, owners also have access to tennis courts, private basement storage, bicycle storage, water sports storage and a full recycling facility. This home has ONE deeded underground garage parking spot & acres of guest parking. Unit has new HVAC, H2O tank & laundry and unrestricted views.

CondoProperty Type

1987Year Built

$485Price/Sq.Ft.

$841/moHOA Dues

1 car garageParking

Listed by Mark Carangelo • Mark Carangelo

Bought with Skambas Realty Group • Compass

Redfin checked: 3 minutes ago

•Source:MLS PIN #73480701

Redfin Estimate

$638,743

$6,743 since sold in May 2026$16K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.1% higher than the average sale price ($560K) of 6 comparable homes.

SOLD SEP 15, 2026
$715,500
A
2 beds2 baths1,414 sq ft
1 Seal Hbr #700, Winthrop, MA 02152
SOLD AUG 26, 2026
$589,000
B
2 beds2 baths1,241 sq ft
1 Seal Harbor Rd #116, Winthrop, MA 02152
SOLD MAR 2, 2026
$670,000
C
2 beds2 baths1,327 sq ft
3 Seal Harbor Rd #137, Winthrop, MA 02152
SOLD MAR 2, 2026
$543,000
D
2 beds2 baths1,203 sq ft
1 Seal Harbor Rd #415, Winthrop, MA 02152
SOLD SEP 4, 2026
$525,000
E
2 beds2 baths1,057 sq ft
382 Ocean Ave #407, Revere, MA 02151
SOLD SEP 16, 2026
$316,500
F
2 beds2 baths891 sq ft
77 Bennington St #508, Revere, MA 02151

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Market trends in 02152, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.8%

+0.1% MoM

Median sale price

$629K

$6K MoM

Avg. days on market

23d

3 days MoM

Recently sold homes

5 MoM

New listings for sale

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NEW 14 HRS AGO
$599,900
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1 Seal Harbor Rd #601, Winthrop, MA 02152
OPEN SUN, 11AM TO 1PM
$599,900
5 beds2.5 baths2,200 sq ft
91 Fremont St, Winthrop, MA 02152
REDFIN OPEN SUN, 12PM TO 2PM
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5 beds2.5 baths2,437 sq ft
43 Dolphin Ave, Winthrop, MA 02152
OPEN SAT, 11AM TO 12:30PM
$491,900
1 bed1 bath691 sq ft
10 Somerset #205, Winthrop, MA 02152
3D WALKTHROUGH
$529,900
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OPEN TODAY, 4:30PM TO 6PM
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4 beds2.5 baths2,910 sq ft
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OPEN SAT, 12PM TO 1:30PM
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2 beds2 baths1,295 sq ft
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REDFIN OPEN SAT, 1PM TO 2:30PM
$1,275,000
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$569,000
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Sale and tax history for 3 Seal Hbr #344

Sale History
Tax History

Date

Event

Price

MLS PIN #73480701

May 7, 2026

Sold

$632,000

$485/sq ft

Feb 26, 2026

Listed

$649,000

$498/sq ft

MLS PIN #71838869

Dec 30, 2015

Sold

$392,500

$301/sq ft

Dec 16, 2015

Pending

—

Dec 1, 2015

Relisted

—

Nov 2, 2015

Listing Removed

—

Nov 2, 2015

Pending

—

Nov 1, 2015

Relisted

—

Oct 30, 2015

Listing Removed

—

Jul 29, 2015

Price Changed

$399,900

$307/sq ft

Jun 19, 2015

Price Changed

$419,900

$323/sq ft

May 17, 2015

Listed

$434,900

$334/sq ft

+20

Winthrop's finest waterfront residence! 3 Seal Harbor has 24 hour Concierge, two elevators, indoor lap pool, exterior pool, exercise room, function room, climate controlled storage and much more. Enjoy the Panoramic City and Water views from the top floor sitting room and lap pool. Winthrop also known as Winthrop by the Sea boasts numerous delicious restaurants, a nine hole Golf Course, Marinas, Miles of Beaches, a new Ferry Terminal, newly renovated parks! All this and within minutes to Downtown Boston! This spacious1320 sq ft. unit has an open concept with a galley kitchen, large living/dining room combo and a private balcony that overlooks the pool and open ocean. The 2 bedrooms are set up like 2 master suites, each bedroom has a full bath attached. Deeded garage and parking. Enjoy the convenience of living just minutes from the T (Blue line), Logan Airport, renown Universities and Hospitals. Location, Location, Location in Winthrop's Highlands, Don't miss this one!

Public Records

Aug 9, 1988

Sold

$194,000

$149/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$5,529 (+0.9%)

$516,700

2022

$5,477 (−2.1%)

$465,700

2021

$5,596 (+3.6%)

$441,300

2020

$5,404 (−1.1%)

$428,200

2019

$5,466 (−1.8%)

$414,700

2018

$5,569 (+2.9%)

$393,300

2017

$5,411 (+2.5%)

$375,500

2016

$5,280 (+18.6%)

$343,500

2014

$4,453 (−0.4%)

$285,800

2013

$4,472 (+2.9%)

$299,900

2012

$4,346 (−2.0%)

$299,900

2011

$4,433 (+5.9%)

$321,200

2010

$4,187 (+20.0%)

$329,700

2009

$3,490

$350,100

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

1425341

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 27, 2023.

Property details

Parking

Parking Information
Has Garage
Has Open Parking
# of Garage Spaces: 1
# of Covered Spaces: 1
Open Parking Spaces: 0
Parking Spaces: 1
AttachedGarageYN: Yes
Parking Features: Attached, Under, Garage Door Opener, Deeded, Off Street, Tandem, Common, Guest, Paved, Exclusive Parking

Interior

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

Basement Information
Basement: Y

Laundry Information
Laundry Features: Common Area, In Building, In Unit, Electric Dryer Hookup

Appliances
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer

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

Exterior

Building Information
Building Name: Seal Harbor
Building Area (Total): 1,302
Construction Materials: Brick
StructureType: High-Rise
Stories (Total): 10
Year Built Source: Public Records
Year Built Details: Actual
Lead Paint: None

Exterior Features
Fencing: Security
Roof: Rubber
Patio And Porch Features: Deck, Deck - Roof, Deck - Composite, Deck - Access Rights
Exterior Features: Deck, Deck - Roof, Deck - Composite, Deck - Access Rights, Balcony, Hot Tub/Spa, Garden, Gazebo, Outdoor Shower, Professional Landscaping, Sprinkler System, Tennis Court(s)

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

Property Information
Accessibility Features: Accessible Entrance
PropertySubType: Condominium
Property AttachedYN: Yes
Above Grade Finished Area: 1302
Common Walls: 2+ Common Walls, Corner
Entry Level: 3
Entry Location: Unit Placement(Front)
Security Features: Intercom, TV Monitor, Doorman, Security Guard, Security Gate, Concierge
Other Structures: Gazebo
Has Waterview
Bay, Harbor, Ocean, Private

Lot Information
WaterfrontYN: Yes
Waterfront Features: Waterfront, Ocean, Sound, Bay, Harbor, Frontage, Walk to, Access, Bay, Ocean, Direct Access, Sound, Walk to, 3/10 to 1/2 Mile To Beach, Beach Ownership(Public)

Financial

Tax Information
Tax Annual Amount: $7,732.56
Tax Year: 2025

Utilities

Utility Information
Utilities: for Electric Range, for Electric Oven, for Electric Dryer
Sewer: Public Sewer
Water Source: Public
Electric: 110 Volts, Circuit Breakers

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

Location

HOA Information
Association Fee: $841
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), Park, Recreation Facilities, Fitness Center, Sauna/Steam, Clubroom, Trail(s), Beach Rights, Storage, Garden Area, Clubhouse

Location Information
Directions: Left on Spitbook, right on Daniel Webster
UnparsedAddress: 3 Seal Harbor # 344, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Conservation Area, Marina, 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: 1425341

Home facts updated by county records on Aug 26, 2023

Other

Miscellaneous Information
Heat Zones: 3

Listing Information
Exclusions: Pets - Absolutely No Dogs Permitted. No Smoking Or Vaping.
StandardStatus: Closed

Around this home

Schools

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

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

93/ 100

Exceptional sunlight

Sunscore

This home ranks in the top 3% for direct sun exposure in Winthrop. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

11.5 hrs

5.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$616,000 – $746,000

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Home values near 3 Seal Hbr #344

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Road #131, Winthrop, MA 1 Beds \| 1 Baths \| 698 Sq. Ft.	$366,573
3 Seal Harbor Road #343, Winthrop, MA 1 Beds \| 1 Baths \| 823 Sq. Ft.	$488,740

Address	Redfin Estimate
3 Seal Harbor Road #245, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$579,205
3 Seal Harbor Road #432, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$557,540

Address	Redfin Estimate
3 Seal Harbor Road #332, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$543,943
3 Seal Harbor Road #436, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$1,145,889

Property information provided by MLS PIN when last listed in 2026. This data may not match . Learn more.

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Market trends in 02152, MA

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Sale and tax history for 3 Seal Hbr #344

Public record

Property details

Around this home

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Nearby similar homes

New listings for sale in 02152

Home values near 3 Seal Hbr #344

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