515 Keys Warren — Photo 1 of 21
Recent Drop: $60,000
$599,000
Investment Analysis — 515 Keys
Warren, MA 01585
Based on HUD Small Area Fair Market Rent for Worcester, MA HUD Metro FMR Area, a 4-bedroom in 01585 carries an estimated $2,280/mo in gross rent — about a 2.64% cap rate and $15,843/yr in estimated NOI at the $599,000 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
3.5
SqFt
3,566
Style
Single Family
Built
2020
Set on approx. 39 acres, this property offers exceptional privacy, natural beauty, and versatile potential. Recently refreshed with full interior repaint and professional deep cleaning, creating a clean slate for its next owner. Features a stunning post-and-beam kitchen with exposed wood framing and a wood-burning fireplace, open to the dining area for warm, inviting living and entertaining. The finished lower level includes a full kitchen, bath, and open living space—ideal for extended family, in-law setup, or flexible use. Explore private walking trails throughout the acreage and enjoy a peaceful, wooded setting. Rare flexibility with potential for equine use, recreation or investment in a private, scenic setting.
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 3,566 sq ft principal dwelling). Lot size: 1,698,840 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 MLS and other third-party data may be inaccurate or out of date.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
Range • Dishwasher • Refrigerator
Neighborhood
Walk/Jog Trails • Highway Access • House of Worship • Public School
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstDining Room
Lvl FirstKitchen
Lvl FirstMaster Bedroom
Lvl SecondBedroom 2
Lvl SecondBedroom 3
Lvl SecondBathroom 1
Lvl FirstBathroom - Half
Bathroom 2
Lvl SecondBathroom - Full, Bathroom - Tiled With Shower Stall
Bathroom 3
Lvl SecondBathroom - Full, Bathroom - With Tub
Property History
$599,000
Was $629,000
Aug 21, 2026
MLS® 73537200
$629,000
Was $659,000
Aug 3, 2026
MLS® 73537200
$659,000
Jun 18, 2026
MLS® 73537200
Listing Agent: Robin L. Delaney
Listing Office: Robin Delaney Real Estate
MLS® Number: 73537200
