50 Sumner Road Brookline — Photo 1 of 32
$4,500,000
Investment Analysis — 50 Sumner Road
Brookline, MA 02445 — Fisher Hill
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 5-bedroom in 02445 carries an estimated $5,240/mo in gross rent — about a 0.19% cap rate and $8,471/yr in estimated NOI at the $4,500,000 list price. Adjust every assumption in the calculator below.
Beds
5
Baths
5.5
SqFt
5,423
Style
Single Family
Built
1891
An artful balance of historic character & modern design, this 5,423SF 5BD, 5.5BA 1891 Colonial Revival was meticulously renovated in 2017 and is set on .41AC of landscaped grounds. Oversized windows, tall ceilings, bespoke millwork, detailed crown moldings, & 4 fireplaces highlight the home’s craftsmanship. Welcoming entry w/ FP connects main floor. Bright living room w/ FP and dining room w/ French doors that lead to wraparound deck. Renovated open kitchen w/ island, pantry, and eat-in. Adjoining family room w/ gas FP & built-ins. 1/2BA & mudroom complete level. Upstairs is the primary suite w/ FP, spa-like bath, & walk-in closet, en-suite bedroom, add’l bedroom, full bath, & laundry. Flexible 3rd floor flex w/ 3 add’l rooms & bathroom - ideal as bedrooms, offices, or play space. Walkout lower level w/ private entrance, en-suite bedroom, 2nd kitchen, family room, & storage. Private setting w/ tiered grounds, bluestone patio, & extensive lawn framed by mature trees & seasonal plantings
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 5,423 sq ft principal dwelling). Lot size: 17,745 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
Range • Oven • Dishwasher • Disposal • Refrigerator • Freezer • Washer • Dryer • Range Hood
Neighborhood
Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First19.166666666 x 15.666666666
Window(s) - Bay/Bow/Box, French Doors, Deck - Exterior, Exterior Access
Dining Room
Lvl First14.333333333 x 12.5
French Doors, Deck - Exterior, Exterior Access
Kitchen
Lvl First22.5 x 17
Dining Area, Pantry, French Doors, Kitchen Island, Breakfast Bar / Nook, Cabinets - Upgraded, Deck - Exterior, Exterior Access, Recessed Lighting, Remodeled, Stainless Steel Appliances, Gas Stove
Office
Lvl Third19.5 x 10
Family Room
Lvl First14.166666666 x 12.166666666
Closet/Cabinets - Custom Built, Window(s) - Bay/Bow/Box
Master Bedroom
Lvl Second18.75 x 15.5
Bathroom - Full, Walk-In Closet(s), Window(s) - Bay/Bow/Box
Bedroom 2
Lvl Second17.166666666 x 13.166666666
Bedroom 3
Lvl Second12.25 x 10.666666666
Closet
Bedroom 4
Lvl Third16.833333333 x 10.166666666
Closet, Window Seat
Bedroom 5
Lvl Basement12.166666666 x 12.166666666
Bathroom - Full, Walk-In Closet(s)
Bathroom 1
Lvl First6 x 4.75
Bathroom - Half
Bathroom 2
Lvl Second11.833333333 x 10.5
Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Shower Stall, Bathroom - Tiled With Tub, Double Vanity
Bathroom 3
Lvl Second10 x 9
Bathroom - Tiled With Shower Stall
Property History
$4,500,000
Sep 7, 2026
MLS® 73572602
$4,650,000
Sep 5, 2026
MLS® 73516969
$4,650,000
May 12, 2026
MLS® 73516969
Listing Agent: Hilary Maddox Team
Listing Office: Compass
MLS® Number: 73572602
