A.K. & Son Construction Co.

A.K. & Son is family-owned and operated company that has been designing and installing quality stone work since 1990. The company was established by Antoni Kosiorowski, master stonemason, who brought his European craftsmanship to the United States.

Antoni's expertise, attention to detail, and approach to the artistry in stone work makes him one of the finest craftsman in New Jersey. With his experience, he approaches every project with the fullest attention to detail. He works with his clients to create unique and spectacular results. A.K. & Son designs work from your plans or collaborates with architects and designers to deliver a project that suits your lifestyle, surrounding, and environment.



You can review our happy, satisfied customers by reviewing the testimonials listed below.

Dear AK & Sons,
Thank you so much for the work you've done to improve our backyard! We now have a cozy place to enjoy our company.

As you can see for yourself, our customers are happy, and we guarantee that you will be as well!

From the Gallery...

Other Thoughts...

  • His work is well executed and he takes great pride in what he produces. Whether itís walls, patios, fireplaces or stone houses, his work is outstanding.

  • His craftsmanship and attention to detail is consistent and reliable. I would not hesitate to recommend AK & Son to my clients.

    -Ezio Columbro, Oldwick, NJ