LaGrassa Masonry & Design did a great job planning and installing pavers on our patio. It was completed on time and looks beautiful! I highly recommend them for your next outdoor project.

5 out of 5 Roslyn H.

They did an excellent job on our patio and outdoor fireplace. I would highly recommend LaGrassa Masonry. You won’t be disappointed.

5 out of 5 Michael G.

Long island masonry has some of the best designs i've seen in a long time! It is not rare to find a good pool and or patio contractors now a days!

4 out of 5 John Z.

Google listing description

LaGrassa Masonry & Design is owned and operated by Matthew LaGrassa. Matthew has been in the industry for more than 20 years. His passion for the business began when he was just a teen. He spent a, hot summer working for a stone mason. We specialize in patios, retaining walls, walkways, driveways, waterfalls, and ponds. We pride ourselves on having the best design team in Long Island.

From the business's Google listing, checked Aug 2026.

Starting with LaGrassa Masonry

A new project with LaGrassa Masonry in Centereach begins with a consultation request. The company says it provides on-site consultations at no charge. Its website names an online form for requesting an estimate.

The business says it is open 24 hours, every day of the week. A design stage follows the first meeting. The company describes a full color drawing for each job, made to scale and fitted to the individual property.

Owner Matthew LaGrassa has more than 20 years in the trade, the company states. He started as a teenager, working one summer for a stone mason.

Centereach has a population of 31,839, per the Census Bureau's 2024 count. The town is in Suffolk County. NOAA normals for 1991 to 2020 put annual precipitation at 46.6 inches and snowfall at 29.3 inches.

Patios, retaining walls and pool design

The company names ponds, walkways and retaining walls among its core work. Its website also describes pool design, outdoor fireplaces and structures such as pergolas. It lists landscape lighting and ongoing landscape upkeep as well.

For patios, the company says its crews check the type and condition of the soil first. They then choose a base meant to keep the patio from settling. LaGrassa Masonry holds a 4.7 rating from 3 Google reviews.

A new customer can come to the consultation knowing which features they want, such as a patio, a walkway or a pool, and where on the property each one would go.