20 Montrose St Newton — Photo 1 of 42
$3,980,000
Investment Analysis — 20 Montrose St
Newton, MA 02458 — Newtonville
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 4-bedroom in 02458 carries an estimated $4,140/mo in gross rent — about a 0.12% cap rate and $4,939/yr in estimated NOI at the $3,980,000 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
6
SqFt
6,054
Style
Single Family
Built
1958
NEW PRICE — A FRESH OPPORTUNITY IN NEWTONVILLE! Set on nearly half an acre of level land in Newtonville, this rare ranch-style residence offers exceptional scale, privacy, and resort-style living, enhanced by abundant natural sunlight and multiple skylights throughout. Extensively improved by the current owner, the home features a recently renovated brand-new kitchen, four spacious en-suite bedrooms, and seven bathrooms—ideal for multigenerational living, guests, or flexible work-from-home needs. Expansive living areas create a bright, airy atmosphere rarely found at this scale. The outdoor setting includes a heated in-ground pool and a separate pool house with sauna, full bath, and bar with sliding service window—perfect for seamless indoor–outdoor entertaining. A sun-filled flat half-acre lot and versatile ranch-style layout make this a rare opportunity to enjoy large-scale living with resort-style amenities in one of Newtonville’s most desirable locations.
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 6,054 sq ft principal dwelling). Lot size: 20,247 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
Gas Water Heater • Range • Oven • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer • Range Hood
Neighborhood
Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First40 x 23
Flooring - Wall to Wall Carpet, Flooring - Marble, Window(s) - Picture, French Doors, Open Floorplan, Recessed Lighting, Sunken
Dining Room
Lvl First20 x 14
Flooring - Marble, Open Floorplan, Recessed Lighting
Kitchen
Lvl First22 x 19
Flooring - Stone/Ceramic Tile, Kitchen Island, Breakfast Bar / Nook, Recessed Lighting
Office
Lvl First12 x 12
Ceiling - Coffered, Closet/Cabinets - Custom Built, Flooring - Hardwood
Family Room
Lvl First24 x 16
Skylight, Cathedral Ceiling(s), Flooring - Laminate, Window(s) - Picture, French Doors, Exterior Access, Open Floorplan, Recessed Lighting, Remodeled, Slider
Master Bedroom
Lvl Second28 x 20
Cathedral Ceiling(s), Closet/Cabinets - Custom Built, Flooring - Wall to Wall Carpet, Window(s) - Picture, Recessed Lighting
Bedroom 2
Lvl Second16 x 11
Bedroom 3
Lvl Second20 x 12
Flooring - Wall to Wall Carpet
Bedroom 4
Lvl Basement15 x 12
Flooring - Wall to Wall Carpet
Bathroom 1
Lvl Second24 x 10
Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Tub & Shower, Skylight, Cathedral Ceiling(s), Flooring - Marble, Jacuzzi / Whirlpool Soaking Tub, Double Vanity, Dressing Room
Bathroom 2
Lvl Second8 x 6
Flooring - Stone/Ceramic Tile
Bathroom 3
Lvl Second8 x 5
Flooring - Stone/Ceramic Tile
Property History
$3,980,000
Sep 9, 2026
MLS® 73574067
$4,090,000
Jun 16, 2026
MLS® 73510119
$4,090,000
Apr 29, 2026
MLS® 73510119
Listing Agent: Alpha Group
Listing Office: Compass
MLS® Number: 73574067
