640 Poponessett Rd Barnstable — Photo 1 of 42
Recent Drop: $100,000
$3,495,000
Investment Analysis — 640 Poponessett Rd
Barnstable, MA 02635
Based on HUD Small Area Fair Market Rent for Barnstable Town, MA MSA, a 3-bedroom in 02635 carries an estimated $3,390/mo in gross rent — about a 0.58% cap rate and $20,354/yr in estimated NOI at the $3,495,000 list price. Adjust every assumption in the calculator below.
Beds
3
Baths
4.5
SqFt
3,447
Style
Single Family
Built
2025
Rare offering of WATERFRONT NEW CONSTRUCTION WITH TOWN APPROVED DOCK in the quaint village of Cotuit. This exceptional 3 bedroom, 5 bath custom gambrel style home overlooking Shoestring Bay is the epitome of coastal elegance. Construction is now complete and no detail was spared including custom cabinetry, walnut floors, Sub Zero and Wolf appliances. The floor plan has been thoughtfully designed to take maximum advantage of the captivating water views. The first floor offers the perfect flow for entertaining with an open kitchen, family and dining area with the added bonus of a large, private first floor primary en-suite and an additional powder room for guests .Leading up to the second floor, a very large windows floods the home with natural light offering another opportunity to admire the water from your home. There are two additional very generously sized en-suite bedrooms, a laundry room, a full bath and a bonus loft area perfect for a game room, home theater or home gym
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 3,447 sq ft principal dwelling). Lot size: 20,473 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
Neighborhood
Shopping • Golf • Medical Facility • House of Worship • Marina
Geography
Property History
$3,495,000
Was $3,595,000
Sep 9, 2026
MLS® 73418094
$3,595,000
Aug 14, 2025
MLS® 73418094
Listing Agent: Elisabeth Ploszay
Listing Office: Kinlin Grover Compass
MLS® Number: 73418094