Building
Seal Harbor Three Condominium
3 Seal Harbor Rd, Winthrop, MA 02152

Seal Harbor Three Condominium is a condo building located at 3 Seal Harbor Rd in Winthrop. It was built in 1987. The structure contains 117 units.


Located in the Whinthrop Highlands, Seal Harbor Three Condominium provides a professional service level featuring full-service building. Residents enjoy a suite of amenities including additional parking, assigned parking and billiards room, among others.

Units

Unit
Status
Price
$610,967 Avg.
Price/Sq. Ft.
$549/sf Avg.
Bd
Ba
Sq. Ft.
Floor Plan
3 Seal Harbor Rd - #632Active$654,000$518/sf121,263
3 Seal Harbor Rd - #342Virtual TourActive$649,000$498/sf221,302
3 Seal Harbor Rd - #434Exclusive ListingActive$529,900$631/sf11840

Building
Seal Harbor Three Condominium
3 Seal Harbor Rd, Winthrop, MA 02152

Building Amenities

Additional Parking
Assigned Parking
Billiards Room
Central AC
Common Outdoor Space
Common Roof Deck
Common Storage
Concierge
Doorman
Elevator

Building Policies

General Policies
Pet Policy: No Pets Allowed
Policies are subject to change at the discretion of building management and may not apply to renters.

Building Facts

Building Overview
Property Type: Condo
Building Size: -
Access: Elevator
Service Level: Full-Service Building
Year Built: 1987

Location

Schools

SchoolTypeGradesDistanceRating
William P. Gorman/Fort Banks Elementary SchoolPublicPK-20.7 mi
NR
Winthrop Sr High SchoolPublic9-120.8 mi
5
Arthur T. Cummings Elementary SchoolPublic3-51.2 mi
5
Winthrop Middle SchoolPublic6-81.4 mi
8

William P. Gorman/Fort Banks Elementary School

PK-2, 0.7 mi, Public

NR

Winthrop Sr High School

9-12, 0.8 mi, Public

5

Arthur T. Cummings Elementary School

3-5, 1.2 mi, Public

5

Winthrop Middle School

6-8, 1.4 mi, Public

8

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.

More information about 3 Seal Harbor Rd, Winthrop, MA 02152

As a benchmark, a 1-bedroom condo at 3 Seal Harbor Road, Unit 632 is currently on the market at $654,000, while 3 Seal Harbor Road, Unit 133 recently sold for $630,000. This building sits amid Beachmont, Belle Isle, Cottage Hill, Cottage Park and Court Park, intersecting ZIP codes 02151, 02128, 02045, 02171 and 02150 — and directly borders Winthrop, Revere, Boston, East Boston and Quincy. For added insight, see how this compares to average rental rates in Winthrop. *All numbers are for indication only and are not guaranteed.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim 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 seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Updated as of Apr 3, 2026.