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$525,000

  • For Sale
  • Active
  • Condo
  • 1 Bed
  • 1 Full Bath
  • 840 Sq. Ft.
  • 1 Car Garage
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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.

Full Property Details for 3 Seal Harbor Rd #634

General

  • Price: $525,000
  • HOA FEE: $712/month
  • Taxes: $5,995 (2025)
  • Status: Active
  • Type: Condo
  • MLS ID: 73442935
  • Updated: 10/17/2025
  • Added to Site: 96 day(s) ago

Rooms

Bathrooms

  • Total Bathrooms: 1
  • Full Bathrooms: 1

Bedrooms

  • Total Bedrooms: 1

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Parking Features: Attached, Under, Garage Door Opener, Deeded, Off Street, Common, Guest, Paved, Exclusive Parking

Location

  • County: Suffolk

Structural Information

  • Basement: Yes
  • Stories/Levels: 1
  • Square Feet: 840
  • Year Built: 1987

Financial Considerations

  • Association Fee: $712
  • Tax Amount: $5,995.44
  • Tax Year: 2025

Disclosures and Reports

  • Exclusions: Pets - Absolutely No Dogs Permitted. No Smoking (Of Anything) Or Vaping.
  • Property ID: M:074 L:0163242, 1425326

Listed by Mark Carangelo, Mark Carangelo

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Listing agent

— 3 Seal Harbor Rd #634 —

  • Mark Carangelo

    Mark Carangelo

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 3 Seal Harbor Rd #634

School District:Winthrop School District
NameGradesDistance
William P. Gorman/Fort Banks Elementary School
101 Kennedy Drive, Winthrop, MA 02152
PK-20.7 mi
Arthur T. Cummings Elementary School
40 Hermon Street, Winthrop, MA 02152
3-51.2 mi
Winthrop Middle School, Winthrop, MA
60 Payson Street, Winthrop, MA 02152
6-80.8 mi
Winthrop Sr High School
400 Main Street, Winthrop, MA 02152
9-120.9 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 3 Seal Harbor Rd #634 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
10/13/2025
Listed
$525,000
22.09%
MLS
7/12/2022
Sold
$430,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 3 Seal Harbor Rd #634

Year
Property Taxes
Change
Tax Assessment
Change
2025
$4,687
9%
$454,200
10%
2024
$4,288
—
$411,500
3%
2023
$4,284
1%
$400,400
11%
2022
$4,244
-2%
$360,900
6%
2021
$4,334
4%
$341,800
3%
2020
$4,185
-1%
$331,600
3%
2019
$4,229
-2%
$320,900
6%
2018
$4,306
3%
$304,100
5%
2017
$4,182
-2%
$290,200
5%
2016
$4,262
10%
$277,300
3%
2015
$3,865
8%
$269,500
17%
2014
$3,590
—
$230,400
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 3 Seal Harbor Rd #634

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by Mark Carangelo, Mark Carangelo

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3 Seal Harbor Rd #634, Winthrop, MA 02152 (MLS# 73442935) is a Condo property with 1 bedroom and 1 full bathroom. 3 Seal Harbor Rd #634 is currently listed for $525,000 and was received on October 13, 2025. Want to learn more about 3 Seal Harbor Rd #634? Do you have questions about finding other Condo real estate for sale in Winthrop? You can browse all Winthrop real estate or contact a Coldwell Banker agent to request more information.

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