Stamford, CT / 534 DAYS ON MARKET

21A South Brook DriveStamford, CT 06903

Asking price$3,389,000Active

Our Take

21A South Brook Drive in Stamford is planned as a four-bedroom, three-full-bath home with a half bath, designed by CMG Builder of New Canaan, Connecticut, for construction to the German Passive House Institute standard. The plans call for south-facing walls of glass, strategic shading, airtight construction, and whole-house energy-recovery ventilation. The design also specifies no fossil fuels and European windows and doors. Set on a private North Stamford cul-de-sac lot, the home is to be built, with finish selections available in collaboration with the builder.

Estimated buyer rebate

Buy with Cress and Save $42,363 on brokerage fees*

When you buy with Cress, we give you back a portion of the brokerage commission we receive.

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*Estimate assumes a 2.5% buyer-agent commission and a 50% rebate. Actual savings depend on final purchase price and commission received.

At a glance

Active · MLS #24084396
Bedrooms
4
BathroomsBaths
3 full / 1 half
Square feet
6,103
Year built
2026
Acres
2.09
Property taxes
$13

July 2024-June 2025

What stands out

  • German Passive House Institute standard construction
  • South-facing walls of glass
  • Strategic shading and airtight construction
  • Whole-house energy-recovery ventilation
  • European windows and doors
  • Private North Stamford cul-de-sac setting
  • Builder collaboration on finish selections
Read the full listing description

This architectural gem will captivate with its luxurious, modern design and impress with its meticulous, energy-efficient construction. The award-winning CMG BUILDER of New Canaan CT will craft this home to the German Passive House Institute (PHI) standard, resulting in a visually stunning home that's 80 percent more energy efficient than a typical, code-built residence. Thoughtfully designed to fuse form and function, the expansive living spaces, clean lines, and exquisite modern finishes deliver next level sophistication. South-facing walls of glass will bathe the living space in natural light, while framing breathtaking views that shift with the seasons. Designed for superior air quality and wellness, other key features include strategic shading, airtight construction,and an efficient whole-house energy recovery ventilation system. The absence of fossil fuels, along with highly efficient European windows and doors, enhances energy savings and creates a remarkably quiet and serene living environment. Nestled on a private 2-acre lot on a North Stamford cul-de-sac, this idyllic setting offers a peaceful escape that's within reach of urban conveniences. Since this home is "to be built" you have the opportunity to collaborate with the builder to select finishes, ensuring a home that's as extraordinary as you are. Your dream home awaits. Images in this listing may have been created or enhanced using virtual staging software and are intended to represent the home to be built.

Schools

Elementary
Per Board of Ed
Middle
Not provided
High
Per Board of Ed

Schools as reported by SmartMLS. Confirm attendance assignments with the district.

A closer look at the location

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21A South Brook Drive, Stamford, CT 06903

Price history

DateEventPrice
Originally listed$3,389,000

Intermediate price changes and previous listings may not be included.

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*Estimate: $3,389,000 asking price × assumed 2.5% buyer-agent commission × 50% rebate = $42,363. Actual savings depend on the final purchase price and commission Cress receives. The assumed commission is not a representation of this listing's offered compensation.

Listed by Coldwell Banker Realty · (203) 322-2300

Elaine Voss

SmartMLS · Listing #24084396 · Active

Listing data checked: Sep 17, 2026, 7:09 PM EDT.

Listing information is deemed reliable but not guaranteed. Cress commentary is separate from the MLS listing description. Contact Cress about a correction.

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