3 Seal Harbor Rd, Unit 434

840 Sq. Ft.
$631 / Sq. Ft.
840
Sq. Ft.
$631
per Sq. Ft.

Description

EASY, UPSCALE, OCEANFRONT LIVING IN WINTHROP by the SEA, This amazing unit was recently updated and the Open Floor Plan offers a fully applianced Stainless Steel kitchen with quartz counters and recessed lighting. The living room/dining room combo is prefect for entertaining or personal enjoyment with sliders to a balcony overlooking the wide open ocean with its incredible sunrises and the sounds of the waves along the shore! French doors leading to the lg. main bedroom with 2 custom closets and...EASY, UPSCALE, OCEANFRONT LIVING IN WINTHROP by the SEA, This amazing unit was recently updated and the Open Floor Plan offers a fully applianced Stainless Steel kitchen with quartz counters and recessed lighting. The living room/dining room combo is prefect for entertaining or personal enjoyment with sliders to a balcony overlooking the wide open ocean with its incredible sunrises and the sounds of the waves along the shore! French doors leading to the lg. main bedroom with 2 custom closets and more amazing views....very nice tile and marble bath can transform into a half bath for guests. Stackable laundry in the unit and deeded underground parking. This building offers lots of amenities, an outdoor pool area, a roof top deck and a top floor common area with an indoor lap pool, exercise facility and game room/function area, all overlooking the ocean. Discover Winthrop with 2 beaches, 3 Yacht Clubs, 3 Marinas a 9 hole golf course and lots of great restaurants, Just Minutes to Boston!

Listing Agents

  1. Sharon Tallent

    Sharon Tallent

    Listing Agent

    Compass

    P: (617)-953-4460

  2. David Tallent

    David Tallent

    Alternative Listing Agent

    Compass

    P: (617)-694-1629

Property Details for 3 Seal Harbor Road, Unit 434

Town
Winthrop
Area
MA-Winthrop
Style
High-Rise
Garage Spaces
1
Open Parking Spaces
1.00
Parking Spaces Total
2
Unit Placement
Middle

Open Houses

Thursday, May 14th5:30 PM - 7:00 PM
Saturday, May 16th1:30 PM - 3:00 PM
LISTING UPDATED: 05/14/2026 04:53 PM

Property Details for 3 Seal Harbor Road, Unit 434

StatusNew
MLS #73516039
Days on Market3
Taxes$4,982 / year
HOA Fees$625 / month
Property TypeCondo
MLS TypeCondominium/Co-Op / Condo
Year Built1987
CountySuffolk County
Add your commute

Building Information for 3 Seal Harbor Road, Unit 434

Building/ComplexSeal Harbor Three CondominiumFloor4Stories-Residences117Pet PolicyNot AllowedPet Policy DetailsPets AllowedYear Built1987

Payment Calculator

$3,708 per month

30 year fixed, 6.46% Interest

Principal and Interest

$2,668

Property Taxes

$415

HOA Dues

$625

The Payment Calculator is for illustrative purposes only.

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Rocket Mortgage1

Property Information for 3 Seal Harbor Road, Unit 434

General Details
Property Details
  • Association Amenities: Pool, Laundry, Elevator(s), Tennis Court(s), Fitness Center, Sauna/Steam, Storage, Garden Area
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Tennis Court, Park, Walk/Jog Trails, Golf Course, Conservation Area, Marina
  • Living Area: 840.0
  • SqFt with Basement: No
  • Total Units: 118
  • Property Attached: Yes
  • Type of Condo: Condo
  • Waterfront: Yes
  • Water View: Yes
  • Year Built Details: Approximate
  • Year Built Source: Public Records
Features
Interior Features
  • Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Basement Features: Y
  • Common Walls: Middle
  • Num of Baths: 1.0
  • Num of Full Baths: 1
  • Num of Half Baths: 0
  • Bathrooms Total Decimal: 1.00
  • Bathrooms Total Integer: 1
  • DoorFeatures: French Doors
  • FireplaceYN: No
  • Fireplaces: 0
  • Flooring: Vinyl
  • Interior Features: French Doors, Indoor Pool
  • Laundry Features: Bathroom - Full, Fourth Floor, In Unit, Electric Dryer Hookup
  • SpaYN: No
Exterior Features
  • Construction: Brick
  • Exterior Features: Deck - Roof + Access Rights, Covered, Gazebo, Tennis Court
  • Exterior Features: Pool - Inground, Pool - Above Ground Heated, Gazebo, Tennis Court, Covered Patio/Deck
  • Other Structures: Gazebo
  • Patio And Porch Features: Deck - Roof + Access Rights, Covered
  • Pool Features: Association, In Ground, Indoor, Heated, Lap
  • Roof Material: Rubber
  • Structure Type: High-Rise
  • Waterfront Features: Waterfront, Ocean, Public, 0 to 1/10 Mile To Beach, Beach Ownership(Public)
  • Waterview Features: Ocean
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 1.00
  • Garage: Yes
  • Garage Parking: Under, Deeded, Off-Street, Common, Paved Driveway
  • Open Parking: Yes
  • Parking Features: Under, Deeded, Off-Street, Common, Paved Driveway
  • Parking Features: Deeded, Off-Street, Common, Paved Driveway
Utilities
  • Cooling: Heat Pump
  • Cooling: Yes
  • Electric: Circuit Breakers
  • Heating: Heat Pump, Electric
  • Heating: Yes
  • Sewage District: MWRA
  • Sewer: City/Town Sewer
  • Utility Connections: for Electric Range, for Electric Dryer
  • Water: Public
Room Information
Primary Bedroom
  • Room Primary Bedroom Features: Bathroom - Half,Ceiling Fan(s),Walk-In Closet(s),Closet/Cabinets - Custom Built,French Doors
  • Primary Bedroom Level: Fourth Floor
Bathroom 1
  • Bathroom1 Features: Bathroom - Full,Bathroom - Tiled With Tub & Shower,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid
  • Bathroom1 Level: Fourth Floor
Dining Room
  • Dining Room Features: Flooring - Vinyl,French Doors,Open Floorplan,Lighting - Pendant
  • Dining Room Level: Fourth Floor
Kitchen
  • Kitchen Features: Flooring - Vinyl,Countertops - Stone/Granite/Solid,Open Floorplan,Recessed Lighting,Stainless Steel Appliances
  • Kitchen Level: Fourth Floor
Living Room
  • Room Living Room Features: Flooring - Vinyl,Balcony / Deck,Deck - Exterior,Open Floorplan,Recessed Lighting,Slider
  • Room Living Room Level: Fourth Floor
Property Information
Property Info
  • Year Round: Yes
  • Documents Available: Floor Plans
  • Documents Count: 1
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
  • Disclosures: On File,all data is as of the listing date and subject to change. Buyer Agent to update and verify all necessary information for their client. Newer hot water heater. Deeded parking space C-66.
Tax Information
  • Tax ID: 1425323
  • Assessments: $447,200
  • Book: 69006
  • Tax Year: 2026
  • Zoning: Res.
Building / Association Information
Living Characteristics
  • Beds Total: 1
  • Total Living Levels: 1
Other Building Characteristics
  • Cooling Zones: 1
  • Heat Zones: 1
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 Three Condominiums
  • Complex Complete: Yes
  • Management: Professional - On Site
  • Association Security: Concierge
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: 434
  • Unit Floor Level Integer: 4.0

Property History for 3 Seal Harbor Road, Unit 434

DateEvent & SourcePriceAppreciation
May 11, 2026

Listed (Active)

MLS PIN #73516039

$529,900—
Jul 30, 2025

Expired

MLS PIN #73335409

$519,900—
May 22, 2025

Temporarily Withdrawn

MLS PIN #73335409

$519,900—
DateEvent & SourcePrice
05/11/2026

Listed (Active)

MLS PIN #73516039

$529,900
07/30/2025

Expired

MLS PIN #73335409

$519,900
05/22/2025

Temporarily Withdrawn

MLS PIN #73335409

$519,900

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 434

Taxable ValueLand-Additions$433,200Total-
Tax Record2025$4,471 ($373 / month)
Home Facts
Beds1Baths1Total Finished SqFt840 SqFtAbove Grade Finished SqFt840 SqFtStories1StyleCondominiumYear Built1987Year Renovated1989CountySUFFOLKAPNWINT M:074 L:016-3434

Schools near 3 Seal Harbor Road, Unit 434

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 434 is a condo for sale in Winthrop, MA 02152. This property was listed for sale on May 11, 2026 by Compass, it's currently listed at $529,900. It has been on the market for a total of 3 days and was last sold on May 22, 2023. 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 434 is a 1-bed, 1-bath, 840 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, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

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.