
21 Colony Ave Bourne — Photo 1 of 40
Recent Drop: $14,000
$735,000
Investment Analysis — 21 Colony Ave
Bourne, MA 02532 — Monument Beach
Based on HUD Small Area Fair Market Rent for Barnstable Town, MA MSA, a 4-bedroom in 02532 carries an estimated $3,390/mo in gross rent — about a 3.53% cap rate and $25,910/yr in estimated NOI at the $735,000 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
3
SqFt
2,451
Style
Single Family
Built
1978
Modern Cape offering exceptional space and flexibility! This home was extensively renovated in 2004 and is a thoughtfully designed home featuring four bedrooms, multiple living areas, and a layout ideal for both everyday living and hosting family and guests.Step inside from the welcoming front porch or attached garage into a bright, open-concept main level with soaring cathedral ceilings, a spacious kitchen, and an expansive dining and living area perfect for entertaining. The first floor includes a generous primary suite with a walk-in closet and private bath, plus a separate bedroom wing offering two additional bedrooms and a full bath for added privacy. The second level is a true retreat, featuring a massive family room, a second primary suite with a full bath, and a private deck overlooking the backyard. .A full walk-out basement provides abundant storage and endless possibilities for future expansion, workshop space, or recreation. Situated on a generous 14,070 sq. ft. lot, the property offers ample room for outdoor entertaining, gardening, and recreation.This beautifully updated Cape combines comfort, versatility, and timeless style in a home designed to accommodate today's lifestyle.
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 2,451 sq ft principal dwelling). Lot size: 14,070 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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Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Electric Water Heater • Range • Dishwasher • Refrigerator • Washer • Dryer
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstCathedral Ceiling(s), Flooring - Hardwood
Dining Room
Lvl FirstFlooring - Hardwood, Balcony / Deck, Slider, Lighting - Pendant
Kitchen
Lvl FirstFlooring - Vinyl, Breakfast Bar / Nook
Family Room
Lvl SecondFlooring - Hardwood
Master Bedroom
Lvl FirstBathroom - Full, Walk-In Closet(s), Closet
Bedroom 2
Lvl FirstBedroom 3
Lvl FirstCloset, Flooring - Vinyl
Bedroom 4
Lvl SecondBathroom - Full, Flooring - Vinyl, Balcony / Deck
Property History
$735,000
Was $749,000
Aug 24, 2026
MLS® 73559498
$749,000
Aug 5, 2026
MLS® 73559498
Listing Agent: Julie Dateo
Listing Office: William Raveis R.E. & Home Services
MLS® Number: 73559498