81 South St Williamsburg — Photo 1 of 34
Recent Drop: $30,100
$374,900
Investment Analysis — 81 South St
Williamsburg, MA 01096
Based on HUD Small Area Fair Market Rent for Amherst Town-Northampton, MA MSA, a 3-bedroom in 01096 carries an estimated $2,850/mo in gross rent — about a 5.50% cap rate and $20,623/yr in estimated NOI at the $374,900 list price. Adjust every assumption in the calculator below.
Beds
3
Baths
2
SqFt
1,858
Style
Single Family
Built
1947
Charming Cape with the Perfect Blend of Modern Updates and Timeless Character! This home offers a flexible floor plan featuring 3 bedrooms and a formal dining room that can easily serve as a 4th bedroom or home office. The oversized living room showcases classic built-ins surrounding a fireplace, while numerous windows brighten the space. The fully applianced eat-in kitchen provides convenient access to the rear deck. Two tasteful baths, one on each level, while the spacious primary bedroom features a walk-in closet. Set on over a half-acre, the property boasts breathtaking panoramic mountain views and a newer 12' x 24' shed, ideal for equipment and storage. Additional highlights include a propane hot water tank(owned propane tank), low-maintenance vinyl siding, replacement windows, an architectural shingled roof and luxury vinyl flooring throughout much of the home. Enjoy the tranquility of a picturesque setting while remaining minutes from town center, major routes, and amenities.
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 1,858 sq ft principal dwelling). Lot size: 26,136 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
Water Heater • Range • Dishwasher • Microwave • Refrigerator • Washer • Dryer
Neighborhood
Shopping • Walk/Jog Trails • Conservation Area • House of Worship • Private School • Public School
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl Main,FirstFlooring - Wall to Wall Carpet, Window(s) - Picture, Open Floorplan
Dining Room
Lvl Main,FirstCloset, Flooring - Vinyl
Kitchen
Lvl Main,FirstFlooring - Laminate, Dining Area, Exterior Access
Primary Bedroom
Lvl SecondWalk-In Closet(s), Flooring - Vinyl
Bedroom 2
Lvl Main,SecondBedroom 3
Lvl Main,FirstCloset, Flooring - Vinyl
Bathroom 1
Lvl Main,FirstBathroom - 3/4, Bathroom - With Shower Stall, Flooring - Vinyl
Bathroom 2
Lvl SecondBathroom - Full, Bathroom - With Tub & Shower, Flooring - Laminate
Property History
$374,900
Was $389,900
Sep 11, 2026
MLS® 73557623
$389,900
Was $405,000
Aug 24, 2026
MLS® 73557623
$405,000
Jul 31, 2026
MLS® 73557623
Listing Agent: Meghan Lynch
Listing Office: Berkshire Hathaway HomeServices Realty Professionals
MLS® Number: 73557623
