GBB Construction Call for a free estimate(203) 524-9776 Free estimate

GBB Construction: residential construction and general contracting in Stamford, Connecticut

Pool house with a covered porch and white columns beside a swimming pool

Latest work · 2026

Pool houses and covered porches

Custom outdoor structures, framed and finished from the footing to the copper roof detail.

See new construction

Get a free estimate

Tell us about your project and we will get back to you.

Or call (203) 524-9776

How a project runs

  1. 1

    Tell us about it

    Call or use the form. Photos, plans and the job address help us.

  2. 2

    We look and talk it through

    We review the work with you and go over options and costs.

  3. 3

    Plan and permits

    From planning and permitting to the first day on site, we manage it.

  4. 4

    Build and finish

    Licensed tradesmen build it, and we stay in direct contact to keep disruption low.

Two GBB Construction work vans, one white and one black, parked side by side
We offer Pella and Andersen windows and doors. Eco friendly.

A family business, built on craftsmanship

GBB Construction began as a multi-generational family business in Europe. Bogdan Grynchak established the company in 2010 to offer unparalleled craftsmanship and customer service, from registered Historic homes to modern and contemporary designs.

  • Era-correct alterations and additions
  • Latest “green” building materials
  • One team managing every phase
  • Pella and Andersen windows and doors

Our story See our work

Where we work

Service area centred on Stamford, CT, covering Connecticut, New York, New Jersey and Massachusetts New York New Jersey Massachusetts Connecticut Stamford, CT

Based in Stamford, working across Connecticut, New York, New Jersey and Massachusetts.

Common questions

Is the estimate really free?

Yes. Send the short form on this page or call (203) 524-9776 and we will arrange a free estimate for your project.

Which areas do you serve?

We are based in Stamford, CT and work in Connecticut, New York, New Jersey and Massachusetts.

Are you licensed and insured?

We are fully insured and employ fully licensed tradesmen who are dedicated to their individual craft.

What should I send with my request?

The address of the job, the kind of work you need and any photos or blueprints you already have. If you have plans, tick "Blueprints available" in the estimate form.

Do you work on older homes?

Yes. We work on registered Historic homes as well as modern and contemporary designs, and we provide era-correct alterations and additions.

How quickly will you reply?

We usually respond same business day by phone and within 24 hours via email.

Ready to talk about your project?

We usually respond same business day by phone and within 24 hours via email.

Call Free estimate