BMN Boston

Get our mobile app!

Download on the App Store

1 Seal Harbor Rd # 300, Winthrop MA 02152

Winthrop, MA 02152
$550,000
Est. $4,181/month
1
Beds
1
Baths
994
Sq Ft
$553
Price/Sq Ft
1983
Year Built
43
Days on Market
Active Price Drop -$20,000 Listed May 12, 2026 • MLS# 73517090 Copied!

About this home

Experience refined waterfront living in this fully renovated, ocean-facing residence. The chef’s kitchen is a true centerpiece, featuring a brand-new center island, quartz countertops, and premium appliances—perfect for effortless entertaining. Modern upgrades shine throughout, including new electrical, recessed lighting, and sleek ceiling fans. Relax in the spa-inspired bathroom with a walk-in shower, or retreat to the spacious bedroom offering magnificent ocean views and ample space for a home office. Step onto your private balcony to savor morning coffee or golden hour sunsets over the water. This turn-key home includes garage parking and access to premier amenities: a pool, fitness center, and tennis(pickleball) courts. Embrace the Winthrop lifestyle with it's local beaches, a golfclub, and yacht clubs. Commuting is a breeze via the seasonal city ferry or nearby transit. From vibrant dining to scenic coastal trails, everything is ready for you to move in and enjoy!

View in the App

Save this property, schedule tours instantly, and get alerts when the price drops

Scan to download BMN Boston app Scan with phone
Get the full experience in the BMN Boston app

Public Records

Current Owner

Owner 1 SEAL HARBOR UNIT PH10 REALTY TRUST
Mailing Address 1 SEAL HARBOR RD PH10, WINTHROP, MA, 02152

Land Use

Use Code 1020
Description N/A
Style Condominium

Tax Information

Assessed Value $773,800

Assessment History

Year Land Building Total Change
FY2025 $0 $763,800 $773,800

Sale History

Date Price Book/Page
Aug 30, 2024 $623,500 70554/324
Aug 22, 2024 $725,000 70519/38
Jun 13, 2024 $545,000 70278/226
Jun 13, 2024 $100 70283/59
Jun 3, 2024 $620,000 70235/220
Jan 2, 2024 $1 69774/225
Dec 20, 2023 $100 69743/327
Nov 13, 2023 $10 69628/23
Sep 29, 2023 $1 69481/210
May 9, 2023 $599,900 68965/82

Building Permit History

Issued Type / Work Status Value
Apr 21, 2026 Building Permit - Residential
[BR-26-157]
Permit #12490
Apr 13, 2026 Sheet Metal Permit
[SM-26-9]
Permit #12417
Mar 13, 2026 Building Permit - Residential
1020
[BR-26-82]
Permit #12196
Jul 15, 2025 Building Permit - Commercial
1020
[BC-25-22]
Permit #10830
Sep 5, 2024 Building Permit - Residential
1020
[BR-24-386]
Permit #8993
Jul 31, 2024 Building Permit - Residential
1020
[BR-24-334]
Permit #8775
Jul 9, 2024 Building Permit - Commercial
1020
[BC-24-27]
Permit #8629
Feb 8, 2024 Building Permit - Commercial
1020
[BC-24-8]
Permit #7789
Oct 30, 2023 Building Permit - Commercial
1020
[BC-23-42]
Permit #7279
Oct 8, 2022 Building Permit - Commercial
1020
[BC-22-37]
Permit #5027
Nov 15, 2021 Demolition Permit
1020
[D-21-7]
Permit #3103
Oct 10, 2021 Building Permit - Commercial
1020
[BC-21-44]
Permit #2885
Dec 6, 2020 Building Permit - Commercial
1020
[BC-20-7]
Permit #145
Data: Town of Winthrop

Municipal Context: WINTHROP

Property Data Comparison

Discrepancies found between MLS and assessor records.

Field Assessor MLS Match
Sqft 1,641 994
Year built 1,983 1,983
Match: address_condo (90.0% confidence) · Data as of Jun 1, 2026

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1983
Bedrooms
1
Full Bathrooms
1
Living Area
994 sq ft
Total Rooms
2
Stories
1
Entry Level
3

Facts & Features

1 Car Garage
Central AC

Home Facts

Type Residential
Style Condominium
Year Built 1983
Living Area 994 sq ft
Bedrooms 1
Full Baths 1
Total Rooms 2

Interior

Heating Central, Forced Air, Unit Control
Cooling Central Air
Flooring None
Appliances None
Fireplace None
Basement N
Laundry None
Features None

Exterior

Construction Brick
Architecture None
Roof None
Features Balcony, Garden, Gazebo, Outdoor Shower, Tennis Court(s)
Pool Association, In Ground
Spa None
Fencing None
Patio/Porch None

Parking

Garage Spaces 1
Has Garage Yes
Features Under
Total Spaces 2

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $5,811
Assessed Value $521,600

Interior Features

Flooring:
Appliances:
Interior Features:
Windows:
Basement: N
Laundry:
Security: Concierge

Construction & Materials

Year Built: 1983
Structure Type: High-Rise
Exterior Materials: Brick
Roof:
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Central, Forced Air, Unit Control
Cooling: Central Air
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Balcony, Garden, Gazebo, Outdoor Shower, Tennis Court(s)
Patio & Porch:
Fencing:
Other Structures: Gazebo
Lot Features:
Road Surface:

Parking & Garage

Garage Spaces: 1
Garage Type: Attached
Total Parking Spaces: 2
Parking Features: Under

Special Features

Waterfront: Yes
Waterfront Type: Waterfront, Ocean, Sound, Ocean, Sound, Walk to, 0 to 1/10 Mile To Beach
Community Amenities:

Location

Loading map...

Neighborhood

1 Seal Harbor Rd # 300, Winthrop MA 02152

Winthrop, MA 02152

Walkability

Loading Walk Score...

Nearby Schools

School District
Winthrop School District local
C
School Safety 2024-25
0.3% Low
0.3% Suspensions
5.2% below state avg
E

Elementary Schools

2 schools
William P. Gorman/Fort Banks Elementary School
0.7 mi
487 students Less Diverse
Grades PK-02
B-
Arthur T. Cummings Elementary School
1.2 mi | #453 of 824 | Score: 46.0
Improved 101 spots from last year
-12.2 below state avg
467 students Less Diverse
Rising School Strong Attendance
Grades 03-05
M

Middle Schools

1 school
B+
Winthrop Middle School
0.8 mi | #119 of 352 | Score: 47.4
Dropped 26 spots from last year
-10.8 below state avg
439 students Less Diverse
Grades 06-08
H

High Schools

1 school
C+
Winthrop High School
0.8 mi | #241 of 346 | Score: 47.2
Dropped 112 spots from last year
-11 below state avg
568 students Less Diverse
18 sports • 1,118 athletes
College Ready Curriculum Strong Athletics
Grades 09-12
Learn about these ratings

Monthly Payment Calculator

Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%

Monthly Payment Breakdown

Principal & Interest $0
Property Tax $484
Homeowners Insurance $200
HOA Fee $716/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo

Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Property History

Market Insights

2
Price Changes
3.5%
Price Range

Property Timeline

Price Reduced
Jun 11, 2026
$550,000 $10,000 (-1.79%)
From $560,000 to $550,000 (-1.8%)
Price Reduced
May 17, 2026
$560,000 $10,000 (-1.75%)
From $570,000 to $560,000 (-1.8%)
🏠
Listed for Sale
May 12, 2026
$570,000
Original listing
Agent: Alla Rossi Office: Coldwell Banker Realty - Boston

Price & Status History

Date Event Price Change
Jun 11, 2026 Price Changed $550,000 -$10,000
May 17, 2026 Price Changed $560,000 -$10,000
May 12, 2026 New Listing Added $570,000

Market Statistics

Days on Market
43 days
Price per Sq Ft
$553
Total Price Drop
-$20,000

Tax History

Year Taxes Assessment
2026 $5,811 $521,600

Financial Details

Annual Property Tax
$5,811
Tax Year 2026
HOA Fee
$716
Per month
Assessed Value
$521,600

Listing Information

Listing Agent Alla Rossi
Listing Office Coldwell Banker Realty - Boston
Agent MLS ID CN217692
Office MLS ID AN6192
Listing Data Updated Jun 15, 2026 3:05 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Comparable Properties

Customize Comparable Search

Finding comparable properties...

Market Analytics for Winthrop, MA

Real-time market trends and pricing data for this area

1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 1 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 2 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 3 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 4 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 5 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 6 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 7 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 8 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 9 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 10 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 11 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 12 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 13 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 14 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 15 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 16 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 17 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 18 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 19 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 20 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 21 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 22 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 23 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 24 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 25 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 26 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 27 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 28 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 29 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 30 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 31 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 32 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 33 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 34 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 35 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 36 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 37 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 38 1 Seal Harbor Rd # 300, Winthrop MA 02152 - Photo 39
Steven Novak

Steven Novak

BMN Boston Real Estate

Your message will be sent to Steven Novak.

Schedule a Tour