FeaturesCloset/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Open Floorplan, Lighting - Overhead
3 Seal Harbor Road # 342, Winthrop MA 02152
Winthrop, MA 02152
$623,000
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Sale Statistics
Sale Overview
Original List Price:
$679,000
Final Sale Price:
$623,000
Difference:
$56,000 (-8.2%)
Performance Metrics
91.8%
List to Sale Ratio
Sold below asking price
152
Days on Market
Extended listing
Price per Square Foot Analysis
Original $/sq ft:
$522
Sale $/sq ft:
$478
This property sold for $478 per square foot
Sale Summary
This property sold for 8.2% below the original asking price.
At 152 days on market, this property took longer than average to sell.
Nearby Sales Comparison
Based on 5 similar properties sold within 0.5 miles in the last 90 days
This Property
$478/sq ft
Area Median
$475/sq ft
Difference
+0.7%
This property sold slightly above the area median for similar homes.
About this home
Seal Harbor in Winthrop offers an elevated coastal living experience that is unparalleled. Timeless detail inside & out of this building is complemented by white-glove concierge service. Unit 342 is a luxury residence with ocean & pool views from every window. It is conveniently located a few steps from the new elevators & welcomes you into an open floor plan with striking natural sunlight; hardwood floors & a modern kitchen with island dining. Unit offers 2 spacious bedrooms with marble en-suite baths & walk-in closets. A private oversized balcony is the crown jewel with magnificent views. Conveniences include garage parking, extra storage ideal for seasonal items, in-unit laundry & central A/C. Residents enjoy premium amenities such as game room, club room with full kitchen, hobby room & multiple meeting rooms. Building also showcases a fitness center, sauna, hot tub, indoor pool & roof deck with Boston skyline & ocean views. Seal Harbor is a hidden gem on the Boston City line.
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Price & Status History
Market Insights
2
Price Changes
8.2%
Price Range
153
Total Days on Market
Property Timeline
Sold
Oct 23, 2026
$623,000
Property sold
Days on Market: 153
Status: Active under contract
Sep 14, 2026
Active → Active Under Contract
Pending Sale
Sep 13, 2026
Offer accepted, sale pending
Price Reduced
Jul 29, 2026
$639,000
$10,000
(-1.54%)
From $649,000 to $639,000 (-1.5%)
Price Reduced
May 13, 2026
$649,000
$30,000
(-4.42%)
From $679,000 to $649,000 (-4.4%)
Back On Market
Apr 29, 2026
Active
Status: Active under contract
Apr 28, 2026
Active → Active Under Contract
Listed for Sale
Apr 23, 2026
$639,000
Original listing
Agent: Nancy Ciampa McLaughlin
Office: Redfin Corp.
Listed for Sale
Apr 23, 2026
$679,000
Original listing
Agent: Nancy Ciampa McLaughlin
Office: Redfin Corp.
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 10/23/2026 | ✓ Sold | $623,000 | - | - | Property sold |
| 09/14/2026 | 📋 Status: Active under contract | - | - | - | Active → Active Under Contract |
| 09/13/2026 | ⏳ Pending Sale | - | - | - | Offer accepted, sale pending |
| 07/29/2026 | ↓ Price Reduced | $639,000 | $10,000 | - | From $649,000 to $639,000 (-1.5%) |
| 05/13/2026 | ↓ Price Reduced | $649,000 | $30,000 | - | From $679,000 to $649,000 (-4.4%) |
| 04/29/2026 | • Back On Market | - | - | - | Active |
| 04/28/2026 | 📋 Status: Active under contract | - | - | - | Active → Active Under Contract |
| 04/23/2026 | 🏠 Listed for Sale | $639,000 | - | - | Original listing |
| 04/23/2026 | 🏠 Listed for Sale | $679,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2025 | $6,103 | $591,400 |
Financial Details
Annual Property Tax
$6,103
Tax Year 2025
HOA Fee
$842
Monthly
Assessed Value
$591,400
Facts & Features
1 Car Garage
Central AC
Home Facts
Type
Residential
Style
Condominium
Year Built
1987
Living Area
1,302 sq ft
Stories
1
Bedrooms
2
Full Baths
2
Total Rooms
5
Interior
Heating
Forced Air, Heat Pump, Electric
Cooling
Central Air
Flooring
Tile, Carpet, Hardwood, Flooring - Hardwood
Appliances
Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Fireplace
None
Basement
N
Laundry
In Unit, Electric Dryer Hookup, Washer Hookup
Features
Closet, Lighting - Overhead, Entrance Foyer
Exterior
Construction
Brick
Architecture
None
Roof
Rubber
Features
Balcony
Pool
Association, In Ground, Indoor, Heated
Spa
None
Fencing
None
Patio/Porch
None
Parking
Garage Spaces
1
Has Garage
Yes
Features
Under, Deeded, Off Street
Total Spaces
2
Utilities
Electric
Circuit Breakers
Water
Public
Sewer
Public Sewer
Gas
None
Other
For Electric Range, For Electric Dryer, Washer Hookup
Financial
Annual Tax
$6,103
Assessed Value
$591,400
HOA & Community
HOA Fee
$842 Monthly
Fee Includes
Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Air Conditioning, Reserve Funds
Amenities
Pool, Laundry, Elevator(s), Tennis Court(s), Recreation Facilities, Fitness Center, Sauna/steam, Clubroom, Trail(s), Storage, Clubhouse
Optional Fee Includes
None
Pets
Yes w/ Restrictions
MA Disclosures
Lead Paint
None
Seller Disclosures
Buyer & Agent To Verify All Information & Perform Their Own Due Diligence.
Additional Details
Possession
None
Accepted Financing
Contract
Structure Type
["High-Rise"]
Unit/Building
342
Sq Ft Source
Public Record
Sq Ft Disclosures
Measurements are approximate & to be verified by buyer/buyers agent.
Documents
None
County
Suffolk
Total market time (incl. prior listings)
153 days
Property Overview
Property Type
Condominium
Listing Type
Sold
Year Built
1987
Bedrooms
2
Full Bathrooms
2
Living Area
1,302 sq ft
Total Rooms
5
Stories
1
Entry Level
3
Floor Layout
Interactive room guide
Floor Layout
Finished Area
1,302 sq ft above grade
FeaturesBathroom - Full, Walk-In Closet(s), Flooring - Hardwood
FeaturesBathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Shower Stall, Closet/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile
FeaturesBathroom - Full, Bathroom - Tiled With Tub & Shower, Closet/Cabinets - Custom Built
FeaturesFlooring - Hardwood, Open Floorplan, Lighting - Overhead
FeaturesFlooring - Hardwood, Deck - Exterior, Open Floorplan, Slider
FeaturesBathroom - Full, Walk-In Closet(s), Flooring - Hardwood
FeaturesYes
Display Options
Outdoor Areas
PoolAssociation, In Ground, Indoor, Heated
Room Markers
KKitchen (1)
BRBedroom (2)
BABathroom (3)
DDining (1)
LLiving (1)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Tile, Carpet, Hardwood, Flooring - Hardwood
Appliances:
Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Interior Features:
Closet, Lighting - Overhead, Entrance Foyer
Windows:
Basement:
N
Laundry:
In Unit, Electric Dryer Hookup, Washer Hookup
Security:
Concierge
Construction & Materials
Year Built:
1987
Structure Type:
High-Rise
Exterior Materials:
Brick
Roof:
Rubber
Foundation:
Stories:
1
Utilities & Systems
Heating:
Forced Air, Heat Pump, Electric
Cooling:
Central Air
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Balcony
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:
Parking & Garage
Garage Spaces:
1
Garage Type:
Attached
Total Parking Spaces:
2
Parking Features:
Under, Deeded, Off Street
Special Features
Waterfront:
Yes
Waterfront Type:
Waterfront, Ocean, Ocean
Community Amenities:
Public Transportation, Shopping, Conservation Area, Highway Access, House of Worship, Public School
Nearby Schools
School District
Winthrop School District local
C
School Safety
2024-25
0.3%
Low
0.3%
Suspensions
5.2% below state avg
Elementary Schools
2 schools
William P. Gorman/Fort Banks Elementary School
0.7 mi
486 students
Moderate
Grades PK-02
B-
Arthur T. Cummings Elementary School
1.2 mi
|
#447 of 825
|
Score: 46.2
Improved 107 spots from last year
-12 below state avg
466 students
Moderate
Rising School
Grades 03-05
Middle Schools
1 school
B+
Winthrop Middle School
0.8 mi
|
#118 of 352
|
Score: 47.7
Dropped 25 spots from last year
-10.5 below state avg
455 students
Moderate
Grades 06-08
High Schools
1 school
C+
Winthrop High School
0.8 mi
|
#238 of 346
|
Score: 48.4
Dropped 109 spots from last year
-9.8 below state avg
553 students
Moderate
18 sports
• 1,118 athletes
High Graduation Rate
College Ready Curriculum
Strong Athletics
Grades 09-12
Learn about these ratings
Location
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Neighborhood
3 Seal Harbor Road # 342, Winthrop MA 02152
Winthrop, MA 02152
Listing Information
Listing Agent
Nancy Ciampa McLaughlin
Listing Office
Redfin Corp.
Office Phone
617-340-7803
Agent MLS ID
BB980308
Office MLS ID
NB3534
Listing Data Updated
Oct 23, 2026 12:47 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
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