3 Seal Harbor Road #342 Winthrop — Photo 1 of 42
Recent Drop: $40,000
$639,000
Investment Analysis — 3 Seal Harbor Road #342
Winthrop, MA 02152
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 2-bedroom in 02152 carries an estimated $2,620/mo in gross rent — about a 1.20% cap rate and $7,687/yr in estimated NOI at the $639,000 list price. Adjust every assumption in the calculator below.
Beds
2
Baths
2
SqFt
1,302
Style
Condominium
Built
1987
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.
Estimates — not financial advice
These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.
Immersive Experience
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Range • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer
Neighborhood
Public Transportation • Shopping • Conservation Area • Highway Access • House of Worship • Public School
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl nullFlooring - Hardwood, Deck - Exterior, Open Floorplan, Slider
Dining Room
Lvl nullFlooring - Hardwood, Open Floorplan, Lighting - Overhead
Kitchen
Lvl nullCloset/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Open Floorplan, Lighting - Overhead
Primary Bedroom
Lvl nullBathroom - Full, Walk-In Closet(s), Flooring - Hardwood
Bathroom 1
Lvl nullBathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Shower Stall, Closet/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile
Bathroom 2
Lvl nullBathroom - Full, Bathroom - Tiled With Tub & Shower, Closet/Cabinets - Custom Built
Property History
$639,000
Was $649,000
Jul 29, 2026
MLS® 73506354
$649,000
Was $679,000
May 13, 2026
MLS® 73506354
$679,000
Apr 23, 2026
MLS® 73506354
Listing Agent: Nancy Ciampa Mclaughlin
Listing Office: Redfin Corp.
MLS® Number: 73506354