Callaghan Construction


Residential & Commercial Building.


We promise to always provide value and outstanding service, regardless of your lifestyle need, design preference, or budget constraint. Callaghan Construction will work with you on any budget to ensure the highest level of quality.



What does it take to lead our industry—and be a leading building contractor that owners can trust? It starts by being a builder first, not a broker. We understand what owners want, from pre-construction through completion.



Callaghan Construction understands situations that may be unique to your local area, and we are best suited to advise you as we work together for your building and remodeling vision to become a reality in any environment.

What Our Clients are Saying

Dont just take our word

Highly Satisfied

“Anyone who has renovated a home or apartment knows it is often a very difficult and frustrating undertaking. It is therefore quite refreshing to be able to recommend a contractor who is experienced, polite and professional in every way. William O’Callaghan’s goal is to have only highly satisfied customers.

It is my pleasure to recommend your team as general contractor for brownstone and townhouse projects…I have found your experience in construction and understanding of quality work such a great asset.”

Meticulous Workers

If you are looking for a trustworthy, hardworking, dependable general contractor company, then Callaghan Construction is the company you are looking for. I have used Callaghan Construction for several projects, including Hallways Renovations, Windows and Doors Installations.

Callaghan Construction workers are meticulous and detail-oriented. I never had to worry about anything on site. I have been completely satisfied with all their work and I highly recommend Callaghan Construction for any Job.

Quality Craftsmanship

It is with the utmost in confidence and respect that I express my sincere thanks to Callaghan Construction for providing the highest quality craftsmanship and professionalism to all of my clients that have chosen to use Callaghan Construction for their renovation and addition projects.

Callaghan Construction devotion to customer service and pride in which they conduct their renovation business has put them in a class above the rest. It is a privilege to continue to recommend all my current and future clients to Callaghan Construction.