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Maggie Li

I'm Maggie Li, a Newton, MA real estate agent serving first-time buyers, luxury clients and sellers across Greater Boston in English & Mandarin. Let's find your home.

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Contact

  • 1229 Centre Street, Newton Centre, MA, USA
  • (774) 222-0952
  • lyx0402@gmail.com

Brokerage

William Raveis

© 2026 Maggie Li. All rights reserved.
Equal Housing Opportunity. Information deemed reliable but not guaranteed.

  1. Home
  2. Listings
  3. Unit 336 3 Seal Harbor, Winthrop, MA 02152
Active
28 Days on market
3 Seal Harbor #336 Winthrop — Photo 1 of 42

3 Seal Harbor #336 Winthrop — Photo 1 of 42

$859,900

3 Seal Harbor #336, Winthrop, MA 02152

Winthrop, MA 02152 — Winthrop Highlands

Beds

2

Baths

1.5

SqFt

1,674

Style

Condominium

Built

1987

A rare offering at the prestigious Seal Harbor III, this exceptional corner residence captures breathtaking panoramic water views from an expansive, light filled interior and a private balcony - perfect for enjoying morning coffee, evening sunsets, or simply taking in the every changing waterfront scenery. Completely reimagined with a full gut reno in 2010, the home showcases timeless design, an open concept floor plan, and impeccable craftsmanship throughout. Thoughtfully curated with luxurious finishes and custom details, the residence is designed for both elegant entertaining and effortless everyday living. The spa-inspired primary bath features a steam shower, while the versatile second bedroom-equally suited as a den or private office-is enhanced by a striking custom leather accent wall. Seal Harbor III offers an unmatched lifestyle with exceptional amenities, including 24 hour concierge, deeded garage parking 2 spots tandem(D41T), outdoor/guest parking, heated indoor pool/hot tub, outdoor pool, storage closet, clubhouse, tennis courts and so much more.

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$514/sqft
Local Avg (Winthrop)$529/sqft
3% BelowMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Winthrop, MA.

Property Details

Financials

Original Price$859,900
Annual Taxes$10,484
HOA Fee$1365

Parking

Garage2
Off-Street3

Interior Specifications

Total Rooms5
FireplacesNone
FlooringWood, Tile, Hardwood
BasementY

Climate & Utilities

HeatingHeat Pump, Electric, Individual, Unit Control
CoolingHeat Pump, Individual, Unit Control
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionBrick
RoofRubber
Foundation--
Zoningres

Property & Lot

Acres--
SqFt Lot--
Lot Features--

Amenities & Appliances

Range • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer

Neighborhood

Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails

Geography

Floorplan Breakdown

Structural Layout

Third
Living RoomDining RoomKitchenMaster BedroomBedroom 2Bathroom 1Bathroom 2
Living Room
Lvl Third
Dining Room
Lvl Third
Kitchen
Lvl Third

Countertops - Stone/Granite/Solid, Kitchen Island, Cabinets - Upgraded, Open Floorplan, Recessed Lighting, Remodeled, Stainless Steel Appliances

Master Bedroom
Lvl Third

Bathroom - Full, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Marble, Steam / Sauna

Bedroom 2
Lvl Third
Bathroom 1
Lvl Third

Bathroom - Half

Bathroom 2
Lvl Third

Bathroom - Full, Bathroom - With Tub & Shower, Flooring - Marble, Countertops - Stone/Granite/Solid, Jacuzzi / Whirlpool Soaking Tub, Remodeled

Property History

Listed
$859,900

Jul 23, 2026

MLS® 73554136

Expired
$859,000

Jul 1, 2025

MLS® 73329908

Listed
$859,000

Jan 28, 2025

MLS® 73329908

Terminated
$889,000

Oct 15, 2023

MLS® 73139614

Listed
$889,000

Jul 23, 2023

MLS® 73139614

Population

18,759

U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)

Median Household Income

$116K

U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)

Renter-Occupied Homes

43.1%

U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)

New Construction Permits — Suffolk County

2,527 housing units permitted in the last 12 months (+37% vs the prior 12 months) — 2,269 in 5+ unit buildings

U.S. Census Bureau, Building Permits Survey (through Jun '26)

Full Winthrop, MA market report ZIP 02152 market data
Listing Provided By

Listing Agent: Cathie Curran

Listing Office: Charlesgate Realty Group, llc

MLS® Number: 73554136

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