3 Seal Harbor Rd, Unit 634

$525,000
Price
1
Bed
840 Sq. Ft.
$625 / Sq. Ft.
840
Sq. Ft.
$625
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 unrestricted views, new wood floors and carpet.
  1. Listed by Mark Carangelo • Mark Carangelo

Property Details for 3 Seal Harbor Road, Unit 634

Town
Winthrop
MLS Area
Winthrop Highlands
Area
MA-Winthrop-Winthrop Highlands, MA-Winthrop
Style
High-Rise, Garden
Garage Spaces
1
Parking Spaces
.00
Parking Spaces Total
1
Unit Placement
Upper
LISTING UPDATED: 10/24/2025 08:54 AM

Property Details for 3 Seal Harbor Road, Unit 634

StatusActive
MLS #73442935
Days on Market73
Taxes$5,995 / year
HOA Fees$712 / 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 634

Building/ComplexSeal Harbor Three CondominiumFloor6Stories-Residences117Pet PolicyNot AllowedPet Policy DetailsPets AllowedYear Built1987

Payment Calculator

$3,806 per month

30 year fixed, 6.28% Interest

Principal and Interest

$2,594

Property Taxes

$500

HOA Dues

$712

The Payment Calculator is for illustrative purposes only.

Property Information for 3 Seal Harbor Road, Unit 634

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: 840.0
  • 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
  • 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: Insulated Doors, Storm Door(s)
  • FireplaceYN: No
  • Fireplaces: 0
  • Flooring: Wood, Tile, Carpet
  • 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: Upper
  • 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, Common, Guest, Paved Driveway, Exclusive Parking
  • Open Parking: Yes
  • Parking Features: Attached, Under, Garage Door Opener, Deeded, Off-Street, Common, Guest, Paved Driveway, Exclusive Parking
  • Parking Features: Deeded, Off-Street, Common, Guest, Paved Driveway, Exclusive Parking
Utilities
  • Cooling: Central Air, Heat Pump, Individual, Unit Control
  • Cooling: Yes
  • Electric: 110 Volts, Circuit Breakers
  • Heating: Forced Air, Electric
  • 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: M:074 L:0163242,1425326
  • Assessments: $454,200
  • Book: 0
  • Tax Year: 2025
  • Zoning: R1
Building / Association Information
Living Characteristics
  • Beds Total: 1
  • Total Living Levels: 1
Other Building Characteristics
  • Accessibility Features: Accessible Entrance
  • Cooling Zones: 2
  • Heat Zones: 2
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: 634
  • Unit Floor Level Integer: 6.0

Property History for 3 Seal Harbor Road, Unit 634

DateEvent & SourcePriceAppreciation
Oct 13, 2025

Listed (Active)

MLS PIN #73442935

$525,000—
Jul 16, 2025

Temporarily Withdrawn

MLS PIN #73398475

$525,000—
Jun 30, 2025

Listed (Active)

MLS PIN #73398475

$525,000—
Aug 22, 2022

Sold

MLS PIN #72923457

$430,000—
Jul 12, 2022

Sold (Public Record)

Public Record #1494034642

$430,000

+4.7% / yr

Jan 14, 2022

Under Agreement

MLS PIN #72923457

—
Jan 14, 2022

Contingent

MLS PIN #72923457

—
Nov 29, 2021

Listed (Active)

MLS PIN #72923457

$429,000—
Oct 31, 1996

Sold (Public Record)

Public Record #88630640

$131,000

+12.8% / yr

Feb 9, 1996

Sold (Public Record)

Public Record #88630454

$120,000

-2.0% / yr

May 2, 1990

Sold (Public Record)

Public Record #88631984

$135,000—
DateEvent & SourcePrice
10/13/2025

Listed (Active)

MLS PIN #73442935

$525,000
07/16/2025

Temporarily Withdrawn

MLS PIN #73398475

$525,000
06/30/2025

Listed (Active)

MLS PIN #73398475

$525,000
08/22/2022

Sold

MLS PIN #72923457

$430,000
07/12/2022

Sold (Public Record)

Public Record #1494034642

$430,000

+4.7% / yr

01/14/2022

Under Agreement

MLS PIN #72923457

—
01/14/2022

Contingent

MLS PIN #72923457

—
11/29/2021

Listed (Active)

MLS PIN #72923457

$429,000
10/31/1996

Sold (Public Record)

Public Record #88630640

$131,000

+12.8% / yr

02/09/1996

Sold (Public Record)

Public Record #88630454

$120,000

-2.0% / yr

05/02/1990

Sold (Public Record)

Public Record #88631984

$135,000

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 634

Taxable ValueLand-Additions$454,200Total-
Tax Record2025$4,687 ($391 / month)
Home Facts
Beds1Baths1Total Finished SqFt840 SqFtAbove Grade Finished SqFt840 SqFtStories1StyleCondominiumYear Built1987Year Renovated1989CountySUFFOLKAPNWINT M:074 L:016-3634

Schools near 3 Seal Harbor Road, Unit 634

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.

Similar Homes

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3 Seal Harbor Road, Unit 634 is a condo for sale in Winthrop, MA 02152. This property was listed for sale on October 13, 2025 by Mark Carangelo, it's currently listed at $525,000. It has been on the market for a total of 73 days and was last sold on August 22, 2022. 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 634 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 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.