
431 Moraine St Marshfield — Photo 1 of 42
$1,250,000
Investment Analysis — 431 Moraine St
Marshfield, MA 02050
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 3-bedroom in 02050 carries an estimated $3,080/mo in gross rent — about a 1.62% cap rate and $20,198/yr in estimated NOI at the $1,250,000 list price. Adjust every assumption in the calculator below.
Beds
3
Baths
3
SqFt
3,053
Style
Single Family
Built
1930
Welcome to 431 Moraine St, where timeless 1930s character meets luxurious modern living in desirable Marshfield! Set back from the road on a private one-acre lot near Marshfield Country Club, this beautifully maintained home offers approximately 3,053 sq. ft. of living space and a wonderful sense of privacy and seclusion. The New substantial addition features a luxurious primary suite with vaulted ceilings, a private bath with double vanity and walk-in shower, his and hers walk-in closets and a spacious two-car garage.The heart of the home is the stunning cathedral-ceiling kitchen, featuring a Viking range, stainless steel appliances, expansive center island, and open-concept design flowing seamlessly into the living and dining areas. Beautiful hardwood floors and a welcoming fireplace add warmth and character to the main living space.Directly beneath the two-car garage is a newly constructed basement, adding valuable finished living space to the home. The lower level features a new finished family room with a walkout slider door, providing easy access to the backyard and a bright, versatile space perfect for entertaining, a media room, game room, home office, or additional gathering area.Upstairs there are 2 addtional bedrooms and a full bath.Step outside to the beautiful screened porch with distinctive herringbone-pattern mahogany decking—the perfect setting for morning coffee, outdoor dining, entertaining, or relaxing on warm summer evenings.With three bedrooms and three full baths, this home offers exceptional comfort and flexibility for family and guests. A charming front porch enhances the home's curb appeal and welcoming character.Enjoy the quintessential Marshfield lifestyle, with beautiful beaches, boating, marinas, restaurants, shopping, golf, and outdoor recreation all nearby. This rare property combines classic charm with luxurious updates, thoughtfully designed additions, exceptional privacy, and outstanding indoor and outdoor living spaces.Come experience 431 Moraine St and all that Marshfield has to offer. Welcome Home! Open House Sunday 9/13 12 NOON - 3 PM
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 3,053 sq ft principal dwelling). Lot size: 46,481 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
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.
Open Houses
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Water Heater • Range • Dishwasher • Refrigerator
Neighborhood
Public Transportation • Shopping • Golf • Medical Facility • Highway Access • House of Worship
Geography
Property History
$1,250,000
Sep 11, 2026
MLS® 73576067
$899,000
Nov 30, 2025
MLS® 73436172
$750,000
Oct 31, 2025
MLS® 73435926
$899,000
Sep 26, 2025
MLS® 73436172
$899,000
Sep 25, 2025
MLS® 73435926
Listing Agent: Kim Duke
Listing Office: Sold By Gold LLC
MLS® Number: 73576067