9 Hi River Road Barnstable — Photo 1 of 42
$3,950,000
Investment Analysis — 9 Hi River Road
Barnstable, MA 02648 — Marstons Mills
Based on HUD Small Area Fair Market Rent for Barnstable Town, MA MSA, a 4-bedroom in 02648 carries an estimated $4,000/mo in gross rent — about a 0.55% cap rate and $21,809/yr in estimated NOI at the $3,950,000 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
4
SqFt
7,080
Style
Single Family
Built
2000
Casa Blanca Farm - An Iconic Cape Cod Estate. Beyond the stately columned entrance and winding cobblestone drive, this extraordinary estate unfolds across nearly five breathtaking acres. Masterfully renovated and meticulously redesigned, the residence blends timeless architecture with exceptional craftsmanship and sophisticated design. Sun-filled interiors showcase custom millwork, designer lighting, exquisite finishes and beautifully proportioned spaces, anchored by a spectacular chef's kitchen designed for effortless entertaining. Outside, a private resort awaits with a gunite pool, built-in spa, elegant white limestone terraces, expansive patios and sweeping manicured grounds. The completely rebuilt lower level is an entertainer's dream, featuring a second full kitchen, custom bar, expansive great room, private cigar lounge, game room and state-of-the-art theater. Minutes from Osterville Village, golf, boating and beaches, Casa Blanca Farm is a remarkable private estate where luxury, privacy and Cape Cod living come together beautifully.
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 7,080 sq ft principal dwelling). Lot size: 216,058 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.
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Listing Agent: Livia Freitas Monteforte
Listing Office: Compass
MLS® Number: 73575553