
300 Warren St. Brookline — Photo 1 of 35
$6,250,000
300 Warren St., Brookline, MA 02445
Brookline, MA 02445
Beds
7
Baths
5.5
SqFt
7,327
Style
Single Family
Built
1929
Set on nearly an acre of landscaped grounds in one of Brookline’s most prestigious neighborhoods, this stately 1929 residence by Philip Stearns Avery offers over 7,300 square feet and 7 bedrooms. Mature landscaping provides privacy and tranquility, enhancing the home’s timeless elegance and scale. A gracious foyer opens to a three-season porch and terrace with sweeping views of the grounds. The living room features a grand fireplace, the dining room is ideal for entertaining, and the richly paneled library offers an intimate retreat. The kitchen includes two pantries and views of the property. Upstairs, the corner primary suite has a fireplace and walk-in closet, along with five additional bedrooms and three baths, including an optional guest suite. The 3rd floor adds wonderful space with a bedroom, family room, kitchen, and full bath, while the lower level includes a family room, gym, and two-car garage. Rich in architectural character and heritage, this is a rare Brookline offering.
Immersive Experience
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Brookline, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Range • Oven • Dishwasher • Disposal • Refrigerator • Freezer
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Golf
Geography
Population
22,560
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$140K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
47.9%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Norfolk County
1,524 housing units permitted in the last 12 months (+52% vs the prior 12 months) — 1,030 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
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 7,327 sq ft principal dwelling). Lot size: 42,366 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.
Listing Agent: Irene Kerzner
Listing Office: Hammond Residential Real Estate
MLS® Number: 73508801
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