
4 South St Rockport — Photo 1 of 42
$1,625,000
Investment Analysis — 4 South St
Rockport, MA 01966
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 6-bedroom in 01966 carries an estimated $3,390/mo in gross rent — about a 1.28% cap rate and $20,861/yr in estimated NOI at the $1,625,000 list price. Adjust every assumption in the calculator below.
Beds
6
Baths
5
SqFt
2,359
Style
Single Family
Built
1700
Introducing 4 South St — a rare opportunity to own a versatile family compound or income-producing property with three separate legal living spaces. Currently configured as two legal condominium units plus a newly built detached guest studio, this unique property offers exceptional flexibility for multigenerational living, owner occupancy, or investment income. Unit 1 occupies the first floor and features 3 bedrooms and 2 bathrooms, an updated kitchen and baths, original hardwood flooring, two fireplaces, newer windows, an outdoor shower, and beautiful patios surrounded by mature landscaping. Unit 2, located on the second floor, offers 2 bedrooms and 2 bathrooms, original hardwood flooring, a fireplace, separate entrance, dedicated parking, and a private deck. Adding even more versatility is the beautifully appointed detached studio, built in 2023 — an ideal guest suite, home office, or additional income-producing space. Conveniently located a short distance from downtown and the Old Garden Beach area, 4 South St offers a rare combination of character, flexibility, and investment potential. Whether you’re looking for a multigenerational retreat, an owner-occupied property with rental income, or a distinctive investment opportunity, this exceptional property is not to be missed.
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 2,359 sq ft principal dwelling). Lot size: 6,135 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
Electric Water Heater • Range • Dishwasher • Microwave • Refrigerator • Washer • Dryer
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Golf
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstFlooring - Hardwood
Dining Room
Lvl FirstFlooring - Stone/Ceramic Tile
Kitchen
Lvl FirstFlooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid
Primary Bedroom
Lvl FirstBathroom - Full, Cathedral Ceiling(s), Cedar Closet(s), Flooring - Hardwood, Exterior Access
Bedroom 2
Lvl FirstBedroom 3
Lvl FirstFlooring - Hardwood
Bedroom 4
Lvl SecondBathroom - Full, Flooring - Hardwood
Bedroom 5
Lvl SecondFlooring - Hardwood
Bathroom 1
Lvl FirstBathroom 2
Lvl FirstBathroom 3
Lvl SecondProperty History
$1,625,000
Sep 16, 2026
MLS® 73577873
$1,625,000
Sep 16, 2026
MLS® 73577878
Listing Agent: Theresa Scatterday
Listing Office: J. Barrett & Company
MLS® Number: 73577873








