Single Family Residence at 209 Waltham St, Lexington MA 02421, Lexington
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41 photos

$2,999,500

209 Waltham St, Lexington MA 02421
Lexington, MA 02421
Listed by Keri Caron
Bedrooms
5
Bathrooms
4
Living area
5,024 sqft
Year built
1905

About this home

Just moments from Lexington Center, this beautifully reimagined Colonial blends timeless character with modern comfort. Thoughtfully renovated and extensively updated, the home offers classic architectural charm paired with the layout, amenities, and functionality desired for today’s lifestyle. An expansive farmer’s porch sets the tone, leading into warm and inviting living spaces with an effortless flow between the living, dining, and kitchen areas. The family room with a fireplace opens to a covered porch with a stunning wood-paneled ceiling, creating an ideal indoor-outdoor connection for entertaining or everyday living. A sun-filled office/sunroom wrapped in windows offers flexible space for work, reading, or quiet retreat. With 5 bedrooms, 3 full and 2 half baths, and beautifully landscaped grounds featuring mature plantings and a level yard, this exceptional property is just minutes from Lexington’s renowned schools, historic center, and local amenities.

Highlights

Fireplace

Property details

MLS #
73495764
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
172
On market date
April 8, 2026
Stories
N/A
Total bathrooms
4
Garage spaces
2
Parking spaces
6
Lot size
0.6 acres
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Nearby schools

Within 10 miles · public school directory data (NCES)

Elementary
Bridge
0.81 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
360
Student:teacher ratio
10.3:1
District
Lexington
Middle
Jonas Clarke Middle
0.93 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
829
Student:teacher ratio
9.9:1
District
Lexington
High
Lexington High
0.15 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
2,273
Student:teacher ratio
12.4:1
District
Lexington

Walkability

Blended score for Lexington's center: EPA's National Walkability Index (street network, transit, land-use mix) combined with nearby-amenity density. 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

93
Highly walkable
out of 100
EPA National Walkability Index
18.3 / 20 -- Most walkable
Nearby-amenity density
95 / 100
Restaurants & cafes20
Grocery stores3
Parks17
Schools20
Transit stops20
Pharmacies4

Market position

How this listing compares to current activity in Lexington, from live MLS data.

On the market 172 days -- 56 more days than Lexington's current average of 116 days.
For reference, the median list price across 265 active listings in Lexington right now is $1,098,000.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$18,213/mo
$599,900 down
$2,399,600 loan
Principal & interest$15,564
Property tax (est.)$2,500
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated July 30, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.