
209 Waltham St Lexington — Photo 1 of 41
Beds
5
Baths
4
SqFt
5,024
Style
Single Family
Built
1905
Set in the heart of Lexington, just a short distance from Lexington Center, 209 Waltham Street is beautifully appointed throughout, striking an exceptional balance of classic New England charm and modern craftsmanship. An expansive farmer’s porch welcomes you into warm, inviting living spaces with an effortless flow between the living, dining, and kitchen areas. The family room, anchored by a fireplace, opens to a covered porch with a stunning wood-paneled ceiling—an inviting extension of the home for entertaining, relaxing, and everyday living. A sun-filled office/sunroom wrapped in windows offers flexible space for work, reading, or quiet retreat. Additional flexible space offers excellent potential for a guest suite, along with abundant storage. With 5 bedrooms, 3 full and 2 half baths and professionally designed grounds that create a beautiful setting for outdoor living, entertaining, and play, this exceptional property offers a rare combination of space, character, and convenience, with easy access to Route 2 and Cambridge/Boston.
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Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Lexington, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Tankless Water Heater • Range • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer
Neighborhood
Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First13.11 x 18.11
Flooring - Hardwood, French Doors, Lighting - Overhead
Dining Room
Lvl First14 x 13.3
Flooring - Hardwood, French Doors, Lighting - Pendant
Kitchen
Lvl First14 x 15.8
Flooring - Hardwood, Dining Area, Pantry, Countertops - Stone/Granite/Solid
Office
Lvl Third21.9 x 23.6
Closet, Flooring - Hardwood
Family Room
Lvl First15.2 x 36
Flooring - Hardwood, Window(s) - Picture, Open Floorplan, Lighting - Overhead
Master Bedroom
Lvl Second15.5 x 21.9
Bathroom - Full, Bathroom - Double Vanity/Sink, Ceiling Fan(s), Walk-In Closet(s), Flooring - Hardwood
Bedroom 2
Lvl Second14.3 x 12.2
Bedroom 3
Lvl Second14 x 16.3
Closet, Flooring - Hardwood
Bedroom 4
Lvl Second13.1 x 13.1
Closet, Flooring - Hardwood
Bedroom 5
Lvl Third14 x 13.1
Bathroom - Full, Closet, Flooring - Hardwood
Bathroom 1
Lvl First9.1 x 5.11
Bathroom - Half, Flooring - Stone/Ceramic Tile
Bathroom 2
Lvl Second10.9 x 7.1
Bathroom - Full, Bathroom - Double Vanity/Sink, Flooring - Stone/Ceramic Tile
Bathroom 3
Lvl Second10.2 x 6.11
Bathroom - Full, Flooring - Stone/Ceramic Tile
Property History
$2,850,000
Aug 27, 2026
MLS® 73569148
$2,999,500
Aug 27, 2026
MLS® 73495764
$2,999,500
Apr 8, 2026
MLS® 73495764
Population
18,080
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$228K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
24.1%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,667 housing units permitted in the last 12 months (-2% vs the prior 12 months) — 1,709 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jun '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 5,024 sq ft principal dwelling). Lot size: 25,954 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: Keri Caron
Listing Office: William Raveis R.E. & Home Services
MLS® Number: 73569148
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