3 Seal Harbor Rd, Unit 344

1,302 Sq. Ft.
$498 / Sq. Ft.
1,302
Sq. Ft.
$498
per Sq. Ft.

Description

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...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.
  1. Listed by Mark Carangelo • Mark Carangelo

Property Details for 3 Seal Harbor Road, Unit 344

Town
Winthrop
MLS Area
Winthrop Highlands
Area
MA-Winthrop-Winthrop Highlands, MA-Winthrop
Style
High-Rise, Garden
Garage Spaces
1
Parking Spaces
1.00
Parking Spaces Total
2
Unit Placement
Front, Middle, Corner
LISTING UPDATED: 03/02/2026 03:06 AM

Property Details for 3 Seal Harbor Road, Unit 344

StatusActive
MLS #73480701
Days on Market5
Taxes$7,733 / year
HOA Fees$841 / month
Compass TypeCondo
MLS TypeCondominium/Co-Op / Condo
Year Built1987
CountySuffolk County

Location

Listing Courtesy of Mark Carangelo, Mark Carangelo
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Building Information for 3 Seal Harbor Road, Unit 344

Building/ComplexSeal Harbor Three CondominiumFloor3Stories-Residences117Pet PolicyNot AllowedPet Policy DetailsPets AllowedYear Built1987

Payment Calculator

$4,649 per month

30 year fixed, 6.15% Interest

Principal and Interest

$3,163

Property Taxes

$644

HOA Dues

$841

The Payment Calculator is for illustrative purposes only.

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Property Information for 3 Seal Harbor Road, Unit 344

General Details
Property Details
  • 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
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Shopping, Swimming Pool, Tennis Court, Park, Walk/Jog Trails, Golf Course, Medical Facility, Conservation Area, Marina, Public School, T-Station
  • Living Area: 1302.0
  • SqFt with Basement: No
  • Total Units: 117
  • Property Attached: Yes
  • Type of Condo: Condo
  • Waterfront: Yes
  • Water View: Yes
  • Year Built Details: Actual
  • Year Built Source: Public Records
Features
Interior Features
  • Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
  • Basement Features: Y
  • Common Walls: Middle, Corner
  • Num of Baths: 2.0
  • Num of Full Baths: 2
  • Num of Half Baths: 0
  • Bathrooms Total Decimal: 2.00
  • Bathrooms Total Integer: 2
  • DoorFeatures: Insulated Doors
  • FireplaceYN: No
  • Fireplaces: 0
  • Flooring: Wood, Tile, Hardwood
  • Interior Features: Intercom, Indoor Pool
  • Laundry Features: Common Area, In Building, In Unit, Electric Dryer Hookup
  • Primary Bath: Yes
  • Spa Features: Hot Tub/Spa
  • SpaYN: Yes
  • Window Features: Insulated Windows, Storm Window(s)
Exterior Features
  • Construction: Brick
  • Entry Location: Front
  • Exterior Features: Deck, Deck - Roof, Deck - Composite, Deck - Access Rights, Balcony, Hot Tub/Spa, Garden, Gazebo, Outdoor Shower, Professional Landscaping, Sprinkler System, Tennis Court
  • Exterior Features: Hot Tub/Spa, Pool - Inground, Pool - Above Ground Heated, Gazebo, Balcony, Garden Area, Outdoor Shower, Professional Landscaping, Sprinkler System, Tennis Court, Deck, Deck - Roof, Deck - Composite
  • Fencing: Security
  • Other Structures: Gazebo
  • Patio And Porch Features: Deck, Deck - Roof, Deck - Composite, Deck - Access Rights
  • Pool Features: Association, In Ground, Indoor, Heated
  • Roof Material: Rubber
  • Structure Type: High-Rise
  • Waterfront Features: Waterfront, Ocean, Sound, Bay, Harbor, Frontage, Walk to, Access, Direct Access, 3/10 to 1/2 Mile To Beach, Beach Ownership(Public)
  • Waterview Features: Bay, Harbor, Ocean, Private
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 1.00
  • Garage: Yes
  • Garage Parking: Attached, Under, Garage Door Opener, Deeded, Off-Street, Tandem, Common, Guest, Paved Driveway, Exclusive Parking
  • Open Parking: Yes
  • Parking Features: Attached, Under, Garage Door Opener, Deeded, Off-Street, Tandem, Common, Guest, Paved Driveway, Exclusive Parking
  • Parking Features: Deeded, Off-Street, Tandem, Common, Guest, Paved Driveway, Exclusive Parking
Utilities
  • Cooling: Central Air, Heat Pump, Individual, Unit Control
  • Cooling: Yes
  • Electric: 110 Volts, Circuit Breakers
  • Heating: Central, Forced Air, Heat Pump, Electric, Individual, Unit Control
  • Heating: Yes
  • Sewage District: MWRA
  • Sewer: City/Town Sewer
  • Utility Connections: for Electric Range, for Electric Oven, for Electric Dryer
  • Water: Public
Property Information
Property Info
  • UFFI: No
  • Year Round: Yes
  • Documents Available: Master Deed, Unit Deed, Rules & Regs, Master Plan, Management Association Bylaws, Association Financial Statements, Certificate of Insurance
  • Documents Count: 7
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
Tax Information
  • Tax ID: 1425340
  • Assessments: $585,800
  • Book: 0
  • Tax Year: 2025
  • Zoning: R1
Building / Association Information
Living Characteristics
  • Beds Total: 2
  • Total Living Levels: 10
Other Building Characteristics
  • Accessibility Features: Accessible Entrance
  • Cooling Zones: 3
  • Heat Zones: 3
Complex & Association Information
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
  • Complex Name: Seal Harbor
  • Complex Complete: Yes
  • Management: Professional - On Site
  • Units Owner Occupied: 112
  • Owner Occupied Source: Mr. Awesome
  • Association Security: Intercom, TV Monitor, Doorman, Security Guard, Security Gate, Concierge
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: 344
  • Unit Floor Level Integer: 3.0

Property History for 3 Seal Harbor Road, Unit 344

DateEvent & SourcePriceAppreciation
Feb 26, 2026

Listed (Active)

MLS PIN #73480701

$649,000—
Dec 1, 2025

Canceled

MLS PIN #73438115

$695,000—
Oct 1, 2025

Listed (Active)

MLS PIN #73438115

$695,000—
Dec 30, 2015

Sold (Public Record)

Public Record #563485304

$392,500—
Dec 30, 2015

Sold

MLS PIN #71838869

$392,500—
Nov 1, 2015

Contingent

MLS PIN #71838869

—
May 17, 2015

Listed (Active)

MLS PIN #71838869

$434,900—
DateEvent & SourcePrice
02/26/2026

Listed (Active)

MLS PIN #73480701

$649,000
12/01/2025

Canceled

MLS PIN #73438115

$695,000
10/01/2025

Listed (Active)

MLS PIN #73438115

$695,000
12/30/2015

Sold (Public Record)

Public Record #563485304

$392,500
12/30/2015

Sold

MLS PIN #71838869

$392,500
11/01/2015

Contingent

MLS PIN #71838869

—
05/17/2015

Listed (Active)

MLS PIN #71838869

$434,900

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 3 Seal Harbor Road, Unit 344

Taxable ValueLand-Additions$585,800Total-
Tax Record2025$6,045 ($504 / month)
Home Facts
Beds2Baths2Total Finished SqFt1,302 SqFtAbove Grade Finished SqFt1,302 SqFtStories1StyleCondominiumYear Built1987Year Renovated1989CountySUFFOLKAPNWINT M:074 L:016-3344

Schools near 3 Seal Harbor Road, Unit 344

This home is within Winthrop School District.
Rating
School
Type
Grades
Distance
Public - PK to 2
Public - 3 to 5
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
Arthur T. Cummings Elementary School
Public3 to 5

Winthrop Middle School
Public6 to 8

Winthrop Sr High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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3 Seal Harbor Road, Unit 344 is a condo for sale in Winthrop, MA 02152. This property was listed for sale on February 26, 2026 by Mark Carangelo, it's currently listed at $649,000. It has been on the market for a total of 5 days and was last sold on December 30, 2015. This listing's school district is Winthrop School District. Nearby schools include William P. Gorman/Fort Banks Elementary School, Arthur T. Cummings Elementary School and Winthrop Middle School. 3 Seal Harbor Road, Unit 344 is a 2-bed, 2-bath, 1,302 sqft condo built in 1987.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Mark Carangelo, Mark Carangelo

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. The property listing data and information, and the images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the images, set forth herein.