
21 Allen Ave Newton — Photo 1 of 28
Beds
4
Baths
1.5
SqFt
1,936
Style
Single Family
Built
1932
Classic Colonial in desirable Waban, offering timeless character, thoughtful updates, and a private, tree-lined setting. This 4BR, 1.5BA home features beautiful hardwood floors and fresh paint throughout. An elegant fire place living room, formal dining room, an eat-in kitchen with a cozy breakfast nook. Updates over the past 3 years include a new roof, wood-framed windows, cedar shingles, a new deck and new stainless appliances. The walk-up attic with high ceilings offers excellent storage and future expansion potential. The finished basement offers flexible space. One-car garage and freshly paved driveway are accessed via a private abutters-only roadway. An additional lot with mature trees provides exceptional privacy. Conveniently located near parks, shops, restaurants, the Waban T station, and the Zervas Elementary School. Convenient access to major routes. Commuter OH 9/25 Friday 4:30-7pm, Sat and Sun 9/26 & 27 OH 12-2.
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Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Newton, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Range • Dishwasher • Disposal • Microwave • Refrigerator
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Conservation Area
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl Main,First12 x 21
Flooring - Hardwood, French Doors, Open Floorplan, Crown Molding
Dining Room
Lvl Main,First12 x 12
Flooring - Hardwood, French Doors, Wainscoting, Lighting - Overhead, Crown Molding
Kitchen
Lvl First11 x 8
Flooring - Vinyl, Dining Area, Countertops - Stone/Granite/Solid, Breakfast Bar / Nook, Recessed Lighting, Stainless Steel Appliances, Gas Stove, Lighting - Overhead
Family Room
Lvl Basement18 x 15
Flooring - Vinyl, Lighting - Overhead
Primary Bedroom
Lvl Second12 x 14
Closet, Flooring - Hardwood, Flooring - Wall to Wall Carpet, Lighting - Overhead
Bedroom 2
Lvl Second11 x 10
Bedroom 3
Lvl Second11 x 9
Closet, Flooring - Hardwood, Flooring - Wall to Wall Carpet, Lighting - Overhead
Bedroom 4
Lvl Second15 x 7
Walk-In Closet(s), Flooring - Hardwood, Lighting - Overhead
Bathroom 1
Lvl Second9 x 8
Bathroom - Full, Bathroom - Tiled With Tub & Shower, Closet - Linen, Flooring - Stone/Ceramic Tile, Lighting - Overhead
Bathroom 2
Lvl First3 x 5
Bathroom - Half, Flooring - Vinyl, Lighting - Overhead
Population
5,773
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$250K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
3.6%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 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 1,936 sq ft principal dwelling). Lot size: 9,395 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: Carol Henriquez
Listing Office: Coldwell Banker Realty - Cambridge
MLS® Number: 73582016
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