Building Foundations with Care

At S&J Marroquin, we specialize in precise excavation for homes and businesses, ensuring every project starts strong and stays solid. We have over 21 years of experience handling a variety of excavation and construction related work.

A heavy excavator carefully digging a foundation at a residential construction site on a sunny day.
A heavy excavator carefully digging a foundation at a residential construction site on a sunny day.
Our Promise
Why Choose Us

We bring hands-on experience and attention to detail, treating each property like it’s our own, with respect and professionalism.

What our clients say about S&J Marroquin

Milton is best of the best, hands down 100% satisfied with his recommendations and completed work!

Manny M.
Smiling man standing next to a freshly excavated residential construction site.
Smiling man standing next to a freshly excavated residential construction site.

Fairfield, NJ

Professional team, great communication, and the site was left spotless after the project! Would use again! Hard to find this caliber of work ethic!

Excavation machinery at work on a commercial property with clear blue skies.
Excavation machinery at work on a commercial property with clear blue skies.
John S.

Morris County, NJ

★★★★★
★★★★★