Licensed contractor with 10+ years of experience building custom decks across Suffolk County and Nassau County. From classic wood to low-maintenance composite decking.
At Gonzaga Professional Builders, we specialize in deck building in Long Island, NY. Whether you envision a spacious multi-level entertainment deck, a cozy ground-level retreat, or a maintenance-free composite deck, our experienced team brings your outdoor living vision to life.
As a licensed contractor in Suffolk County and Nassau County, we handle every phase of your deck project — from design and permits through foundation, framing, decking, railings, stairs, and finishing touches. Our in-house architect ensures your deck meets all local codes and complements your home's architecture.
Beautiful pressure-treated wood, cedar, and hardwood decks custom designed for your home. Classic aesthetic with natural warmth and timeless appeal.
Low-maintenance composite decking from top brands. Resistant to fading, staining, scratching, and mold. No sanding, staining, or sealing required.
Tiered deck designs that create distinct zones for dining, lounging, and entertaining. Perfect for sloped yards or homes that need flexible outdoor spaces.
Custom pergolas, canopies, and shade structures integrated into your deck design. Add style, comfort, and protection from the elements.
Custom railing systems in wood, composite, cable, and glass options. Safe, code-compliant stairs and access points designed for beauty and function.
Repair damaged boards, replace worn railings, fix structural issues, and restore your existing deck to like-new condition. Extend the life of your outdoor space.
Browse our recent deck projects across Suffolk County and Nassau County. Every project reflects our commitment to quality craftsmanship and outdoor living excellence.
Over a decade of deck building experience across Long Island. We understand the local climate, soil conditions, and building codes that affect deck construction.
Fully licensed contractor with comprehensive insurance coverage. Your home and investment are protected throughout every phase of construction.
Every deck is custom designed for your home, property, and lifestyle. Our in-house architect creates plans that maximize your outdoor living potential.
Detailed written estimates with no hidden fees. We provide honest pricing for materials, labor, and permits so you know exactly what to expect.
We use only premium-grade lumber, top-brand composite materials, and stainless steel hardware. Built to withstand Long Island's coastal weather conditions.
Every deck comes with a comprehensive workmanship guarantee. We stand behind the structural integrity and quality of our work for years to come.
We visit your property, discuss your vision, assess the site conditions, and provide a detailed written estimate — completely free and with no obligation.
Our team creates detailed deck plans tailored to your property. We handle all permit applications and ensure the design meets local building codes and setback requirements.
Excavation, footing installation, and structural post placement. We ensure a rock-solid foundation that will support your deck for decades.
Structural framing, deck board installation, railing systems, stairs, and all finishing details — executed with precision and attention to every joint and fastener.
Thorough quality inspection and walkthrough with you. We ensure every board, railing, and stair meets our quality standards and your expectations.
We proudly serve homeowners throughout Long Island, NY. Our deck building services are available in the following areas and surrounding communities:
Deck building costs in Long Island depend on size, materials, and design. Pressure-treated wood decks typically range from $15,000 to $35,000, while composite decks range from $25,000 to $60,000+. Multi-level or custom designs with features can be higher. Contact us for a free estimate.
A typical deck build in Long Island takes 2 to 4 weeks depending on size and complexity. Simple ground-level decks may take 1-2 weeks, while multi-level decks with custom features can take 4-6 weeks. Weather can also affect the timeline.
Yes, most deck construction in Suffolk County requires building permits, especially for elevated decks or those attached to the house. Gonzaga Builders handles the entire permit process through our in-house architect, ensuring your deck meets all local codes.
Both have advantages. Pressure-treated wood is more affordable upfront, while composite decking offers lower maintenance, longer lifespan, and no staining or sealing required. We help you choose based on your budget, maintenance preferences, and aesthetic goals.
Yes, every deck we build is custom designed for your home and property. We consider your lifestyle, budget, property layout, and aesthetic preferences to create a deck that's uniquely yours.
With proper construction and maintenance, a pressure-treated wood deck can last 15-25 years, while composite decks can last 25-50 years. We use premium materials and proper construction techniques to maximize the lifespan of your deck.
Contact us today for a free consultation and estimate on your deck building project in Long Island, NY