21 Oak Street Plymouth — Photo 1 of 32
Recent Drop: $20,000
$629,000
Investment Analysis — 21 Oak Street
Plymouth, MA 02360 — Downtown
Based on HUD Small Area Fair Market Rent for Barnstable Town, MA MSA, a 4-bedroom in 02360 carries an estimated $3,390/mo in gross rent — about a 3.95% cap rate and $24,857/yr in estimated NOI at the $629,000 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
2
SqFt
1,575
Style
Single Family
Built
1900
Location, location, location! Welcome to 21 Oak Street, ideally situated in the heart of downtown Plymouth, in close proximity to restaurants, shops, the waterfront, and all that downtown has to offer. Built in 1900, this charming single-family home offers 1,575 square feet of living space with four bedrooms, two full baths, and all of the character that comes with a turn-of-the-century home in a comfortable, functional layout. The outdoor space has been tastefully transformed to host guests whenever you please. Whether you're going to dinner, spending an afternoon along the waterfront or simply enjoying everything Plymouth has to offer, this property puts you right in the center of it all. A wonderful opportunity to enjoy the history & convenient lifestyle of downtown Plymouth. Don't miss the chance to make this house your home!
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: 788 sq ft (the lesser of 900 sq ft or half the 1,575 sq ft principal dwelling). Lot size: 5,445 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.
Open Houses
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Electric Water Heater • Range • Dishwasher • Microwave • Refrigerator
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Medical Facility
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First14.5 x 24
Flooring - Hardwood
Dining Room
Lvl First12 x 12.5
Flooring - Hardwood
Kitchen
Lvl First14 x 12
Flooring - Laminate, Countertops - Upgraded, Cabinets - Upgraded, Remodeled, Stainless Steel Appliances
Primary Bedroom
Lvl Second12 x 10
Flooring - Hardwood
Bedroom 2
Lvl Second12 x 8
Bedroom 3
Lvl Second11 x 11.5
Flooring - Hardwood
Bedroom 4
Lvl Second12 x 8.5
Flooring - Hardwood
Bathroom 1
Lvl First8 x 7
Bathroom 2
Lvl Second8.5 x 6
Property History
$629,000
Was $649,000
Sep 8, 2026
MLS® 73568320
$649,000
Aug 26, 2026
MLS® 73568320
Listing Agent: Julie Gallant & Jack Murphy Team
Listing Office: Plymouth Village, Inc.
MLS® Number: 73568320