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21 Balfour Street — Photo 11 / 30

$3,875,000

Active

21 Balfour Street

Lexington, MA 02421

6Beds
6.5Baths
7,123Sq Ft
$544$/Sq Ft
29,381 sqftLot
2026Built
9Days on Market

Listed by The Joyce Team at Compass

Listing courtesy of The Joyce Team, Compass

About This Property

Outstanding new construction Colonial by top development group featuring superb craftsmanship and exquisite details throughout highlighting the finest millwork, cabinetry and built-ins. A brilliantly designed main level with front and rear staircases, designer kitchen with extensive custom cabinetry, oversized island, Wolf appliances and separate Sub-Zero refrigerator and freezer, along with a butler's pantry and separate prep kitchen. The flexible layout throughout provides options for a bedroom/office on main level, as well as, the lower level. Five generous bedrooms on the second level including the stunning primary suite will exceed all expectations. The finished walk-out lower level offers wonderful entertainment options with beverage center, full bath, recreational and exercise areas leading out to an expansive stone patio, custom designed deck and sprawling gorgeous backyard. Located in a sought after neighborhood with easy access to the town center and numerous amenities.

Property Details

Key Facts

Property Type

Single Family

Style

Antique

Year Built

2026

Living Area

7,123 sqft

Lot Size

29,381 sqft

Rooms

13

Bedrooms

6

Bathrooms

6.5 (6 full, 1 half)

Construction

Exterior

A

Basement

Full Basement

Flooring

Wall to Wall Carpet, Y, Hardwood, Laminate

Parking Spaces

10

Garage Spaces

2

Systems & Utilities

Heating

Forced Hot Air, Hot Water Baseboard, Natural Gas, No Heating

Cooling

Central Air, Ductless Mini-Split

Water

City/Town Water

Sewer

City/Town Sewer

Financial

Price / Sqft

$544/sqft

MLS #

73519860

Days on Market

9

Price History

Listed

May 15, 2026

$3,875,000

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

The Joyce Team · Compass
(781) 386-0624

MLS #73519860

Listing information provided by MLS Property Information Network, Inc. (MLS PIN). Data last updated May 24, 2026. Information deemed reliable but not guaranteed. © 2026 Steinmetz Real Estate Professionals at William Raveis Real Estate. Equal Housing Opportunity.

Home Value