66 Ocean St Nahant — Photo 1 of 40
Recent Drop: $1,255,000
$5,995,000
Investment Analysis — 66 Ocean St
Nahant, MA 01908
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 8-bedroom in 01908 carries an estimated $3,430/mo in gross rent — about a -0.35% cap rate and $-20,958/yr in estimated NOI at the $5,995,000 list price. Adjust every assumption in the calculator below.
Beds
8
Baths
7
SqFt
8,947
Style
Single Family
Built
1890
Set on 1.23 acres of private waterfront looking out to Nahant’s iconic Egg Rock, this historic estate was built ca. 1890 by well-known builder Joseph T. Wilson, who constructed many of the North Shore’s grandest homes during the late 1800’s era of ‘summer cottages.’ The grandeur of the original mansion remains intact, its spectacular architecture and rich period detail preserved while incorporating 21st century updates to create a luxurious seaside compound. With eight bedrooms, six full and two half bathrooms, and 8,947 sf of living space on three levels, including a two and a half story great room opening to the oceanfront terrace and grounds, plaster ceilings with ornate medallions, tall Palladian windows, and elaborate woodwork throughout, this residence is built to a standard of craftsmanship and scale rarely found today. Ideally located 20 minutes from Logan Airport and downtown Boston, easily accessible to highways and commuter rail, this is an extraordinary property.
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 8,947 sq ft principal dwelling). Lot size: 53,627 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.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Oven • Dishwasher • Disposal • Range • Refrigerator • Washer • Dryer • Stainless Steel Appliance(s)
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Golf
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First16.916666666 x 18.75
Flooring - Hardwood, Lighting - Pendant, Crown Molding, Decorative Molding
Dining Room
Lvl First21.583333333 x 17
Flooring - Hardwood, Crown Molding, Decorative Molding
Kitchen
Lvl First13.5 x 20.166666666
Closet/Cabinets - Custom Built, Flooring - Hardwood, Countertops - Upgraded, French Doors, Breakfast Bar / Nook, Recessed Lighting, Stainless Steel Appliances, Pot Filler Faucet, Lighting - Pendant, Crown Molding, Decorative Molding
Family Room
Lvl First19.833333333 x 17.833333333
Flooring - Hardwood, French Doors, Exterior Access, Lighting - Overhead
Master Bedroom
Lvl Second19.166666666 x 18.75
Bathroom - Full, Walk-In Closet(s), Flooring - Wood, Decorative Molding
Bedroom 2
Lvl First21.083333333 x 11
Bedroom 3
Lvl Second21.583333333 x 18.666666666
Fireplace, Closet/Cabinets - Custom Built, Flooring - Hardwood, French Doors, Decorative Molding
Bedroom 4
Lvl Second8.416666666 x 14.916666666
Closet, Flooring - Hardwood, Lighting - Overhead
Bedroom 5
Lvl Second8.416666666 x 18.5
Closet, Flooring - Hardwood, Lighting - Overhead
Bathroom 1
Lvl First3.25 x 6.333333333
Bathroom - Full, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile, Recessed Lighting, Lighting - Sconce
Bathroom 2
Lvl First3.25 x 8.5
Bathroom - Half, Flooring - Stone/Ceramic Tile, Lighting - Sconce
Bathroom 3
Lvl First6.5 x 4.916666666
Bathroom - Half, Flooring - Stone/Ceramic Tile, Lighting - Pendant
Property History
$5,995,000
Was $6,500,000
May 11, 2026
MLS® 73368530
$6,500,000
Was $7,250,000
Sep 29, 2025
MLS® 73368530
$8,100,000
May 1, 2025
MLS® 73368530
Listing Agent: Amanda Armstrong Group
Listing Office: Compass
MLS® Number: 73368530
