Single Family Residence at 21 Chadbourne Road, Lexington MA 02421, Lexington
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36 photos

$3,495,000

21 Chadbourne Road, Lexington MA 02421
Lexington, MA 02421
Listed by Coleman Group
Bedrooms
5
Bathrooms
5.5
Living area
6,776 sqft
Year built
2018

About this home

GRAND CAPE — Poised atop a private ½-acre lot at the end of a cul-de-sac, this custom-designed home offers an extraordinary combination of craftsmanship & privacy. Only 8 years young, it feels virtually brand new, with premium materials, custom millwork & commercial-grade systems throughout. The gracious first floor features a two-story foyer, elegant formal dining area, expansive kitchen w/ breakfast bar, eat-in area & Sub-Zero & Wolf appliances, plus a primary suite. At the heart of the home, a stunning great room w/ beverage fridge, bar sink & gas fireplace is highlighted by sliders & walls of windows overlooking the beautiful outdoor setting. The second floor boasts three additional bedrooms including a second primary suite. Ideally separated from the main living area, a private in-law suite, finished to the same exacting standards, provides an ideal retreat for guests or extended family. The finished lower level offers a gym, office, playroom, full bath & media room. Outside, professionally landscaped grounds surround a substantial bluestone patio w/ built-in gas grill, fireplace & outdoor TV. Beneath it all are state-of-the-art electrical & HVAC systems, superior insulation & high-performance infrastructure designed for efficiency, durability & long-term performance. A rare opportunity to own a home built to a standard seldom found in today’s construction, combining enduring craftsmanship with effortless modern living.

Highlights

ViewFireplace

Property details

MLS #
73571946
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
15
On market date
September 9, 2026
Stories
N/A
Total bathrooms
5.5
Garage spaces
2
Parking spaces
6
Lot size
0.5 acres
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Nearby schools

Within 10 miles · public school directory data (NCES)

Elementary
Bowman
0.67 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
430
Student:teacher ratio
10.5:1
District
Lexington
Middle
Jonas Clarke Middle
1.3 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
Waltham Sr High
1.5 mi away · Grades 9-12
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
1,643
Student:teacher ratio
10.2:1
District
Waltham

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).

76
Walkable
out of 100
EPA National Walkability Index
14.0 / 20 -- Above average walkable
Nearby-amenity density
85 / 100
Restaurants & cafes13
Grocery stores1
Parks12
Schools14
Transit stops20
Pharmacies4

Market position

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

On the market 15 days -- 101 fewer days than Lexington's current average of 116 days.
For reference, the median list price across 258 active listings in Lexington right now is $1,162,000.

Mortgage calculator

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Est. monthly payment
$21,197/mo
$699,000 down
$2,796,000 loan
Principal & interest$18,135
Property tax (est.)$2,913
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 11 days ago.

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.