Three generations. One family. Every job hand-checked by an owner.

For more than 50 years, Mario and Frank D’Alessandro have built a reputation as Long Island’s premier masonry specialists. From Nassau to Suffolk, we serve residential, commercial and industrial customers with quality craftsmanship at honest, competitive prices.

D’Alessandro & Son Contractors, Inc. is a masonry company that prides itself on professional customer service at every level. We want each client to receive nothing but the best, that’s why an owner is on every job, hands on every project.

Our work is client-oriented and referral-driven. It relies on quality installations, 5-star reviews and long-term relationships with the homeowners and businesses we build for.

Family owned. Fully licensed. Fully insured.

We install trusted industry brands including Cambridge, Techo-Bloc, Nicolock and Unilock, matched to your home, your budget and the way you actually use your outdoor space.