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21 Balfour Street — Photo 11 / 30

$3,880,000

Active

21 Balfour Street

Lexington, MA 02421

6Beds
6.5Baths
6,813Sq Ft
$569$/Sq Ft
29,620 sqftLot
2026Built
65Days on Market

Listed by Elizabeth Crampton at Coldwell Banker Realty - Lexington

Listing courtesy of Elizabeth Crampton, Coldwell Banker Realty - Lexington

About This Property

Gorgeous, exceptionally high-quality new construction Colonial by prestigious developer now complete! No expense spared throughout this stunning residence which boasts high ceilings, custom built-ins, paneling, front & back staircases, graceful arches, and sumptuous designer finishes. Over-sized Kitchen with abundant floor-to-ceiling custom cabinetry with brushed gold hardware, enormous island, Sub-Zero & Wolf appliances. With 5-7 Bedrooms & 6 1/2 Bathrooms, this home includes both en-Suite Gym and Study - ideal Bedroom options on both the First Floor and walk-out Lower Levels. Full Smart Home and audio integration with carefully chosen systems for healthy living. Spectacular outdoor spaces with over-sized Deck and enormous stone patio overlooking lush, expansive .7-acre grounds. Idyllic neighborhood walking distance to new Hastings Elementary school, Hayden Recreation, Pine Medows Golf Course with idyllic sledding hills, top-ranked Lexington High School, and its lively town center.

Property Details

Key Facts

Property Type

Single Family

Style

Antique

Year Built

2026

Living Area

6,813 sqft

Lot Size

29,620 sqft

Rooms

13

Bedrooms

6

Bathrooms

6.5 (6 full, 1 half)

Construction

Exterior

A

Basement

Full Basement

Flooring

Wall to Wall Carpet, Hardwood, Laminate

Parking Spaces

10

Garage Spaces

2

Systems & Utilities

Heating

Forced Hot Air

Cooling

Central Air

Water

City/Town Water

Sewer

City/Town Sewer

Financial

Taxes (2026)

$9,999/yr

Price / Sqft

$569/sqft

MLS #

73474521

Days on Market

65

Price History

Listed

Mar 20, 2026

$3,880,000

No price changes recorded.

Explore the Neighborhood

Schools Nearby

Lexington Public Schools

10 schools · 10:1 student-teacher ratio

A+9/10

Elementary Schools

Bowman Elementary School (K-5)9/10
Joseph Estabrook Elementary School (K-5)8/10
Bridge Elementary School (K-5)8/10

Middle Schools

William Diamond Middle School (6-8)9/10
Jonas Clarke Middle School (6-8)8/10

High Schools

Lexington High School (9-12)10/10
Extensive AP course offerings (20+ subjects)Strong STEM and Science Olympiad programsNational Merit Scholarship pipelineComprehensive music and performing arts programs

Ratings from GreatSchools & Niche

Full school details →
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Listing Courtesy Of

Elizabeth Crampton · Coldwell Banker Realty - Lexington
(781) 862-2600

MLS #73474521

Listing information provided by MLS Property Information Network, Inc. (MLS PIN). Data last updated May 12, 2026. Information deemed reliable but not guaranteed. © 2026 Steinmetz Real Estate Professionals at William Raveis Real Estate. Equal Housing Opportunity.

Home Value