Landscaping By G. Pellegrino

Islip 

Request An QUOTE

Free Quote

CONTACT INFORMATION

Location: 3 Donna Ct Selden, NY 11784

Phone: (631) 696-3007

Email: Jplanddesign@optonline.net

GET IN TOUCH TODAY

Contact us to discuss your next project and we will happy to answer any questions and provide you with a FREE Quote.

CONTACT US TODAY

The Islip Long Island Landscaping Design Services

If you've lived in Islip for a while, you already know the water is never far away. This is Great South Bay country — sandy soil sitting over a clay layer, a water table that's shallow enough to hit standing water a few feet down near the canals, and salt air rolling in off the bay that plants and stonework further inland never have to deal with. A drainage fix that works fine in Hauppauge or Holbrook can fail here simply because the ground has less room to move water before it backs up.

For over 40 years, that's exactly what we've focused on at Landscaping & Masonry By G. Pellegrino — fixing and building yards that can actually handle the South Shore elements.



Expect the Best, Because You Live Here:

Operating right out of Suffolk County for over forty years, our team brings multi-generational masonry and landscape craftsmanship directly to Islip properties. From restoring time-worn stonework on classic estate grounds to designing and building modern outdoor spaces for recent builds, our approach is rooted in practical local experience.


Choice For Your Waterfalls & Water Gardens

We build custom backyard ponds and water features using real boulders and proper pumps so the water actually stays clear all summer long.



On a property that already backs up to the Great South Bay, a water feature has to earn its place rather than compete with the view — so we design smaller, more intimate features positioned to complement a waterfront yard instead of duplicating it. Sizing the pump and filtration correctly still matters just as much on an inland Islip property, where an undersized system can't keep up with algae growth once the water warms up. We build the plumbing with a bottom drain and skimmer combination that pulls debris out before it settles, and we account for local drainage patterns so the feature doesn't add to a yard that's already managing enough water.

Fully Licensed And Insured

You’re trusting us with your home. We take that seriously. Landscaping by G. Pellegrino: Every worker is trained, certified, and seasoned in the field. 



Landscaping is both art and engineering. For this reason, our designers, masons, and builders work as one team. You’ll see that balance in every curve, cut, and contour. Each project runs on communication. 




Equipped with Talent and Passion for the Job

Because Islip's micro-climates vary so drastically between the canal frontage and the northern borders, we reject one-size-fits-all contracting. Older residential pockets require delicate handling around ancient root systems and historical layouts, while contemporary parcels demand precision grading to combat poor soil drainage.

Every technician on our crew is directly employed, vetted, and trained in-house—no temporary subcontractors. Backed by comprehensive liability insurance and state licensing, our boots-on-the-ground presence ensures accountability on every single project.

Our Landscape Transformational Services for Islip Long Island Residents

Ever since the creation of our company, the collective goal at landscaping By G. Pellegrino has been to be the leader of landscaping services in the area. Our reputation has been strengthened over the years due to all we can offer to our clients. 

Coastal-Grade Material Selection

Standard retail supplies degrade rapidly under South Shore wind and salinity. We exclusively source marine-grade fasteners, salt-resistant flora, and high-density masonry highly resistant to localized corrosive elements.



Proactive Hydro-Management Integration

Rather than treating surface runoff as an afterthought, every architectural layout incorporates sub-surface channeling and strategic pitching to mitigate tidal surge vulnerabilities before installation begins.



Pricing Transparency & Project Efficiency

We bypass inflated overhead and endless subcontracting chains. You receive direct pricing matched to premium commercial-grade materials and dedicated machinery that completes your build efficiently.



Trustworthy Credentials

Fully licensed across New York State and carrying comprehensive general liability and worker’s compensation coverage, our credentials protect your home investment completely.



Four Decades of Local Suffolk County Heritage

Four decades of continuous operation across Suffolk County means our reputation is anchored in thousands of enduring local landscapes, from neighborhood curb upgrades to complex estate waterfronts.




Landscaping Design and Installation:

Landscape Design and Installation

Generic plants from a big-box store rarely last around here; you need a layout planned around your specific soil, house style, and how hard the bay wind hits your yard. Because so many Islip properties sit close enough to the water to catch salt spray, we lean toward plant varieties that actually tolerate it — species that hold up along the shoreline instead of scorching and browning by mid-summer.

We initiate every project with a detailed evaluation of the property, noting how close it sits to the bay and how exposed it is to wind coming off the water. A yard three streets back from the canals can plant almost anything; a yard right on Bayberry Point needs a different palette entirely, or the investment gets burned off in a single nor'easter. For properties with mature tree canopy — common in Islip's older neighborhoods — we also design around root zones instead of through them, since a lot of these oaks and maples have been established for generations.

If you want to do the project in stages to spread out the cost, we can easily do that—starting with the main bed structure and foundation plants, and adding the specialty salt-tolerant stuff later once things are settled.



Past Landscape Examples Below


Masonry Patio Installation Services

When we lay stone or pavers, we make sure the gravel base underneath is thick enough to handle the moisture so water doesn't pool up or shift around on you after a heavy rain.

The foundation underneath is what makes or breaks a patio, especially around here where the water table stays high. If a base is thrown together, it holds water for days and winter frost will pop the joints loose in no time—which is why we usually run a perimeter drain on waterfront jobs even though you can't see it when we're done.

Thinking about putting in an outdoor kitchen later on? We can run the gas and electric lines underground now so we don't have to rip up your brand-new patio down the road.



Past Patio Examples Below


Retaining Wall Installations Greenlawn

Grade changes near the canals and low-lying yards closer to the bay both create the same problem: water with nowhere to go. Our retaining walls are built to manage that, not just hold back soil.

Picking the right blocks for a wall isn't really about style—it's mostly about what kind of pressure and wet mud the wall actually has to hold back and how wet the ground behind it gets. Anything retaining a real grade change near the water table needs engineered block with proper geogrid reinforcement and drainage sized for standing water, not just an average rain event — otherwise hydrostatic pressure pushes the wall out of line within a few seasons, no matter how good the stonework looks on day one. We grade the top of every wall to shed water away from the structure instead of letting it collect behind it.


Past Retaining Wall Examples Below


Stone Walkways

An uneven front walkway is just waiting for someone to trip over it, especially when the ground starts shifting around. And in Islip, that risk shows up faster — damp ground and salt exposure both accelerate how quickly a poorly built walkway starts to shift.

When people call us to fix a sunken walkway, the problem is almost never the top stones—it's usually because the previous guys skimped on the gravel base or skipped the edge restraints. We use a coarser aggregate base here than we would further inland, specifically so water moves through instead of sitting against the stone. For a front entry specifically, we'll often widen the path beyond the bare minimum and add a slight taper near the door, since it changes how the whole approach to the house reads.


Past Stone Walkway Examples


Landscape lighting

Good low-voltage lighting doesn't just make your yard safer at night—near the water, it's the best way to keep enjoying your view after the sun goes down.

Where you put the lights matters way more than just buying a ton of fixtures. A few well-placed uplights on mature trees and grazing light along stonework does more than lights spaced evenly down a path. Fixture selection matters just as much here as placement — standard fixtures corrode fast this close to salt air, so we spec marine-grade or corrosion-resistant housings for anything within reach of bay wind. Everything runs on a low-voltage transformer with a timer or smart control, with wiring buried deep enough that it holds up through years of yard work.




Landscaping Lighting Examples

Rebuilding Custom Front Stoops & Steps

Standard concrete steps tend to crack and pull away from the house after a few years, especially when a high water table keeps the ground constantly moving.

If an old concrete stoop starts sagging or pulling away after ten or fifteen years, it almost always comes down to how shallow the original footing was poured. Most homes get a shallow, poured slab that isn't tied into the frost line, and on ground that stays wetter longer, that footing moves more than it would on drier soil further inland. We dig below the frost depth and pour a real footing before anything decorative goes on top — that's the part that actually determines whether the new stoop outlasts the house. On the finish side, we can match brick or stone detailing to older homes' original character, which matters on a lot of Islip's historic properties, or update the entry entirely if that's the goal.


Custom Front Stoop & Walkway Examples

Sprinkler SYSTEMS

A shallow water table changes how a sprinkler system should be zoned. Overwatering a lawn that's already sitting on damp ground does more harm than good, so we zone conservatively and lean on soil moisture as much as a fixed schedule.

We also design every system to meet the Town of Islip's stormwater standards, which require drainage improvements to handle a real storm event rather than just pass a basic inspection — a detail that matters more here than in townships without the same bay-driven flooding history. Head selection accounts for salt exposure too, since standard components corrode faster within range of ocean air. Every system gets a smart controller with a local rain sensor, so it responds to actual conditions instead of running on a rigid timer through a wet week.



Free Consultation With Our Landscape Experts

Schedule your free on-site consultation today. Our experts evaluate drainage, soil composition, sunlight, and grade. Then, they design a plan accordingly. Contact us today at (631) 696 - 3007 to see how we can help you!

Services We Offer for Islip Long Island Residents:

  • Waterfalls Islip 
  • Landscape Design Islip 
  • Sprinkler Systems in Islip 
  • Retaining Wall Services Islip 
  • Landscape Trees, Shrubs, Plants, and Walkway Installations Islip 
  • Patio Construction Islip 
  • Outdoor Water Feature Design Islip 
  • Stone Landscaping Islip 
  • Cobble Stone Bordering Islip 
  • Stone Patio Installation Islip 
  • Custom Stoops Islip 
  • Outdoor Night Lighting Islip 
  • Masonry Islip 
  • Brick Masonry Islip 
  • Masonry Contractor Islip 
  • Landscape Lighting Islip 

With our years of experience in the field, we have established that there is no gig too big or too small for our team to handle.What's more, at times, we can easily work on multiple projects for the same landscape, including pool waterfalls, a landscape retaining wall, and even patio construction, all you have to do is say the word, and we will get it done.

The Owner Oversees Every Site

Cookie-cutter landscaping proposals fail instantly along the Great South Bay. By engineering sub-bases specifically calibrated for high saturation zones, we prevent the seasonal shifting and premature structural collapse that generic contractors routinely overlook.



Why Choose Us?

Quality solutions for your area are the focus of Landscaping & Masonry By G Pellegrino, a company that approaches masonry expertise from a new and innovative angle. We value knowledge, attention to detail, and a dedication to fulfilling your specific demands as expert craftspeople.

Free Estimates

We provide clear, broken-down pricing before a shovel ever hits your dirt. No hidden charges, no unexpected fees on the final invoice.


Get the beautiful, structural outdoor space you’ve always wanted. Call Landscaping By G. Pellegrino today to set up your free on-site design consultation in Islip, NY.

CALL US NOW