Single Family Residence at 320 Concord Avenue, Lexington MA 02421, Lexington
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37 photos

$3,495,000

320 Concord Avenue, Lexington MA 02421
Lexington, MA 02421
Listed by Elizabeth P. Crampton
Bedrooms
5
Bathrooms
5.5
Living area
5,856 sqft
Year built
2026

About this home

Do not miss this STUNNING new home. Certificate of Occupancy in-hand! Spectacular new construction overlooking serene conservation land. Custom built by master craftsman with classic New England architecture & striking curb appeal. Grand Foyer with wainscoted stairwell & designer-selected finishes sets the tone. Dramatic 19’ wall of glass anchors the home, framing four-season views, overlooked by an interior balcony. Gorgeous Dining Room & Great Room with fireplace, built-ins, & 16’ glass sliders to Deck. Chef’s Kitchen boasts dark cherry island, crystal chandelier, top-tier appliances, & two pantries. Spacious First Floor Guest or Office Suite. Primary retreat with vaulted ceiling, fireplace, built-ins; spa-like Bath with soaking tub & walk-in closet. 3 additional Bedrooms with two luxe Baths. Walk-out Lower Level features “Secret Room” behind a bookcase; Mudroom, full Bath, and expansive Rec Room with glass sliders. Lush lawn & curated plantings outside, abutting miles of conservation for lasting privacy & scenery. Minutes to Rt 2 & downtown. Move right in!

Highlights

ViewFireplace

Property details

MLS #
73499853
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
170
On market date
April 10, 2026
Stories
N/A
Total bathrooms
5.5
Garage spaces
3
Parking spaces
9
Lot size
0.29 acres
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Nearby schools

Within 10 miles · public school directory data (NCES)

Elementary
Bowman
0.64 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
0.85 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
1.59 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 170 days -- 54 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
$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 August 19, 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.