Custom Deck Design & Construction in Roslyn, NY
Built to handle Nassau County cold snaps, summer humidity, and everything in between-so you can enjoy easy outdoor living year after year.
Picture a quiet Roslyn morning: coffee in hand, bare feet on boards that feel solid and clean, and just enough sun to warm the railing. A well-designed deck turns that moment into part of your routine-whether you live in a classic Colonial, a charming Cape, a storybook Tudor, or a High Ranch that needs a better flow to the backyard. We build decks that look like they were always meant to be there, from Roslyn Estates to Roslyn Harbor and Roslyn Heights. And we build them to last-strong framing, tidy details, and low-maintenance choices that keep weekends free for family, not repairs. If your project falls into a category where approvals are needed, in some cases permits may be required, and we help guide the process with the Village of Roslyn Building Department so you’re not stuck chasing paperwork. Homeowners also choose us for peace of mind-backed by ratings like 5.0 on Google and 5.0 on Houzz.
- Properly licensed & fully insured for work across Nassau County
- Over 39 years of hands-on deck-building experience on Long Island
- Permit guidance that keeps things moving through 1200 Old Northern Boulevard, Roslyn, NY 11576
- Certified Trex Platinum & TimberTech Pro installers for premium composite builds
Transforming Outdoor Living for Roslyn Homeowners
A deck should feel like an extra room-just with better air and better sunsets. We design spaces where you can grill and eat outside without juggling chairs, where kids can spread out with snacks after school, and where friends can linger under soft lighting long after dinner. For many Roslyn homes, a deck also fixes everyday traffic patterns: a Colonial gets a true “back door hangout,” a Cape gains a comfortable entertaining zone, a Tudor gets a timeless look with upgraded railings, and a High Ranch finally has a safe, convenient outdoor landing that makes the yard feel connected.
We also build with real life in mind. Maybe you want a quiet corner for a morning read. Maybe you want a wide stair run so guests naturally flow into the yard. Maybe your priority is low upkeep because weekends are for the beach, not sanding boards. We’ll help you choose the right layout, the right surface, and the right details so the deck works for your routine.
Most projects are completed in 1-2 days. That fast turnaround matters in busy neighborhoods near Northern Boulevard (NY-25A) and Glen Cove Road, where homeowners want clean job sites, respectful crews, and a finished space that’s ready for the next family get-together.
Natural Wood Decking Choices
Natural wood still has a pull that’s hard to beat. Cedar is a favorite for its lighter look and classic warmth. Mahogany gives you that rich, upscale feel that pairs beautifully with many Roslyn exteriors-especially when you want a deck that reads “custom” from the street. Pressure-treated lumber remains a practical choice when budget matters and you want a sturdy platform that can be upgraded later with new railings or lighting.
That said, wood is honest work. Nassau County humidity, shaded areas, and regular foot traffic mean you’ll need to keep up with basic care to hold color and reduce wear. Depending on sun exposure and how you use the deck, that can mean periodic cleaning and re-staining or sealing. We’ll talk through the reality up front so there are no surprises.
Homeowners usually choose wood for one of three reasons: they love the traditional look, they’re matching an older home’s character, or they want the most deck for the dollar. If that’s you, we’ll guide you toward a wood option that fits your goals-and build it with the same careful framing and detail work we’d do on any premium project.
Trex, TimberTech & PVC Decking Options
If you want the “hose it off and enjoy it” lifestyle, composite and PVC decking are tough to beat. These boards are made to handle daily life-spilled drinks, moving chairs, wet bathing suits, muddy paws-without demanding constant upkeep. They don’t need sanding or staining, and they’re designed to stay stable through seasonal swings, which is a big deal on Long Island.
Trex is a popular choice for families who want comfort underfoot and a clean, consistent look. Different Trex lines give you different levels of color depth and texture, so we can match your home’s style-whether you want something more natural-looking or a crisp, modern finish. TimberTech offers its own range of looks, from classic tones to higher-end styles that feel very close to natural wood, but without the same maintenance routine. For homeowners who want the easiest cleaning and a very consistent finish, PVC decking is often the pick-especially in spots that see a lot of mess, shade, or moisture.
Warranty coverage varies by product line, but many composite and PVC options include long-term fade-and-stain coverage, commonly in the 25-50-year range. We’ll help you compare those details in plain English, not fine print.
And if your heart still leans toward real wood, we’ll show you how to get that warm, traditional feel-while still upgrading key parts of the build for better performance.
Why We Use KDAT Lumber for the Substructure
KDAT framing is one of those “you’ll be glad you did” upgrades-especially on elevated decks. KDAT lumber is kiln-dried and pre-stained brown, so it starts out straighter, drier, and cleaner than standard framing. That means less twisting as the seasons change and a more polished look from day one. The biggest difference shows on second-story decks, where the framing is visible from below-KDAT makes the underside look finished, not like raw construction lumber.
It’s also a key reason our decks stay neat over time. And here’s the part homeowners love: Decks Unique is the only decking company on Long Island offering this. KDAT also comes with a limited lifetime transferable warranty, which adds another layer of confidence when you’re investing in a deck meant to be enjoyed for years.
Choosing the Right Decking Materials
We’ll help you pick materials the same way we’d advise a neighbor-based on how you actually live. Trex Signature and Trex Transcend are premium options for homeowners who want a high-end finish and long-term color performance. Trex Select and Trex Enhance lines are great when you want the composite benefits while keeping the overall budget more controlled. TimberTech also offers multiple lines with different looks and price points, and we’ll narrow it down based on sun exposure, style, and how “wood-like” you want the surface to feel.
Just as important as the boards on top is what’s underneath. KDAT framing outperforms standard framing in appearance and stability, especially on raised builds. Our job is to make the decision easy: clear choices, real samples, and a plan that fits your home and your comfort level.
Custom Features for Comfort, Style & Safety
The best decks in Roslyn aren’t just platforms-they’re finished outdoor spaces. Railings are a big part of that. Some homeowners love a wide cocktail rail for setting down a drink or a plate during a party. Others prefer cable rails to open up the view, or vinyl rails for a clean look with easy upkeep. We’ll help you choose a railing style that fits your home and feels safe for kids, guests, and everyday use.
Lighting is another game-changer. LED stair riser lights make steps safer at night, and post-cap lights add that warm glow that makes evenings outside feel relaxed instead of dark and harsh. When you live in areas with rolling hills and waterfront pockets, a little thoughtful lighting and shading goes a long way. We can build in shade structures and privacy features that block hot afternoon sun or soften wind, while still keeping the space bright and open.
These aren’t “extras” when they’re done right. They’re the details that make you use the deck more often-morning, afternoon, and after sunset.
Visit Our Commack Showroom
If you’re the type of homeowner who wants to see it before you buy it, our Commack showroom is worth the trip. You can walk on full-size deck displays, compare railing systems side-by-side, and see lighting demos that show exactly how steps and post caps look at night. We’ll also lay out material samples from Trex and TimberTech, plus real wood options, so you can feel the textures and see how colors change under different light.
Many Roslyn homeowners stop in because it’s a straightforward drive along major North Shore routes, and it saves a ton of second-guessing. Instead of picking from tiny swatches online, you’ll make choices with confidence. You can also sit down with a designer, review layout ideas, and talk through real-world details like stairs, traffic flow, and how to keep maintenance low. It’s the easiest way to turn “we think we want this” into “yes-this is the one.”
Awards & Professional Recognition
Awards matter in decking because they’re not handed out for good intentions-they’re earned through consistent results. In this industry, the difference between an average deck and a great one is often what you can’t see at first glance: planning, fastening, water management, and clean execution. Recognitions from groups like NARI and NADRA reflect craftsmanship and professionalism, while honors like Remodeler 500 show long-term stability and proven service. Add in Trex Platinum and TimberTech Pro credentials and BBB accreditation, and you get a clear picture of who’s built systems and standards around doing the job the right way.
NARI recognizes remodeling excellence, including outdoor living projects that are built with strong planning and clean detail work. For homeowners, it’s a sign you’re hiring a contractor who can handle design, construction, and real-world jobsite discipline.
NADRA is a leading decking association focused on safety, performance, and best practices. This matters because your deck should be engineered correctly, not just made to look good on day one.
Remodeler 500 highlights established companies with a track record of steady service and operational strength. Homeowners benefit because stable companies are more likely to stand behind their work and deliver organized, predictable project experiences.
Trex Platinum status is reserved for builders who meet Trex’s standards for training and installation quality. For you, it means your Trex deck is being built by a crew that knows the product systems and details that help the deck perform long-term.
TimberTech Pro recognition reflects product knowledge and proper installation methods. That helps homeowners get the look they want with the right finishing details, from edges to rail integrations.
BBB Accreditation is about trust, transparency, and responsive customer service. For homeowners, it’s reassurance that you’re working with a company that values clear communication and accountability.
Our Workmanship & Product Guarantees
We build decks to be enjoyed, not worried about. Decks Unique includes a lifetime workmanship guarantee, so you can feel confident in how the deck is assembled and finished. For eligible Trex projects, Trex also offers a 10-year labor warranty on Signature and Transcend when installed by Trex Platinum builders. Trex fade and stain warranties vary by line: Signature/Transcend carry 50-year coverage, Select carries 35-year coverage, and Enhance Naturals/Basic carry 25-year coverage. TimberTech offers fade and stain warranty coverage typically in the 25-50-year range, depending on the product selected.
For homeowners who choose wood, we provide a lifetime decay guarantee on the wood deck. And our KDAT substructure upgrade includes a limited lifetime transferable warranty. We’ll walk you through what applies to your exact material choices so you understand the protection you’re getting.
Built for Roslyn: Local Engineering Considerations
Decks in Roslyn need more than a nice surface-they need smart structure. Between rolling terrain, waterfront pockets, and soil that can vary block to block, we design every build with real site conditions in mind. That means stable footings, reinforced connections, and a plan that’s ready for local review when required.
Soil & Footings
Roslyn yards can include Sandy Loam, Silt Loam, and Clay (a dense mix of Sand, Silt, & Clay), and each type holds water and weight differently. We size and place footings so the deck stays steady through freeze-thaw cycles, using the local frost line depth of 42 inches as a key benchmark for long-term stability.
Wind & Uplift Protection
Coastal weather and open exposures mean we build with uplift in mind, using reinforced connections and hurricane-rated hardware where appropriate. Designing to a 115 mph wind standard helps the deck resist racking and movement, especially on elevated structures and wide stair runs.
Permits & Inspections
In some cases permits may be required, depending on the scope, height, and how the deck connects to the home. We help guide the process with the Village of Roslyn Building Department, including the right drawings and inspection coordination, so you don’t have to guess what’s needed or when.
Composite vs Wood Comparison Table
| Category | Composite/PVC Decking (Trex, TimberTech, PVC) | Natural Wood Decking (Cedar, Mahogany, Pressure-Treated) |
|---|---|---|
| Maintenance | Typically wash-and-go; no staining or sealing needed for normal care. | Needs periodic cleaning and sealing/staining to keep color and reduce wear. |
| Look & Style | Consistent color choices; great for modern, clean finishes and matched railing systems. | Natural grain and character; ideal for traditional homes and classic backyard style. |
| Comfort & Stability | Designed for stability through seasonal swings; many options feel smooth and comfortable underfoot. | Can expand/contract and weather over time; feels natural but needs more attention in harsh exposure. |
| Budget Range | Often higher up front, with long-term savings in time and upkeep. | Can be lower initial cost (especially pressure-treated), with more ongoing maintenance costs. |
| Best For | Busy families, frequent entertaining, homeowners who want low upkeep and long-lasting color. | Homeowners who love a traditional look, want natural material, or are prioritizing initial budget. |
How We Build Decks Designed to Perform for Years
A deck can look great and still fail early if the hidden details are ignored. That’s why we focus on the build system, not just the surface. We often use joist tape to protect key framing areas from trapped moisture, and we pay close attention to ledger flashing so water is guided away from the house connection. Those two steps help reduce long-term issues that homeowners never want to deal with.
For finishes, we can add picture framing for a clean border that makes the deck feel tailored and intentional-especially on larger layouts. We also choose fasteners that make sense for Nassau County conditions, including stainless or ceramic-coated options where appropriate, to help reduce rust streaks and keep the deck looking sharp.
None of this has to be complicated on your end. We explain the options, show you what they do, and build a plan that fits your home’s style and your comfort level-so you get a deck that’s easy to own, not just nice to photograph.
Deck Pricing in Roslyn
Deck pricing isn’t just about square footage. The material you choose (wood vs composite vs PVC), the railing style, stair design, lighting, and even the way your yard slopes can all shift the scope. A simple platform deck costs differently than a raised build with wide stairs, picture-frame borders, and low-voltage lighting. We’ll walk your property, talk through how you want to use the space, and then price it clearly so you can make decisions without guessing.
Financing is available for qualified homeowners, which can help you build the deck you really want now-without cutting corners on structure or safety.
Frequently Asked Questions
Do you handle paperwork with the Village of Roslyn Building Department?
Yes-if your project needs approvals, we help guide the process with the Village of Roslyn Building Department, including the right type of plans and coordination for inspections. You’ll always know what’s happening next and what we need from you.
In Roslyn, in some cases are permits required for a deck rebuild?
In some cases permits may be required, especially if the deck size changes, the height is different, or the structure is being altered. If it’s a straightforward replacement, requirements can be different, so we’ll review your specific plan and help guide the process the right way.
How fast can you build my deck once materials are selected?
Most projects are completed in 1-2 days. Larger or more complex builds with multiple stair runs, custom features, or significant site work can take longer, but we’ll set expectations clearly before we start.
What do you recommend for homes near Northern Boulevard (NY-25A) or Glen Cove Road where outdoor noise is a factor?
We can design in privacy walls, strategic railing choices, and pergola-style shade structures that help soften sound and create a more “tucked away” feel. Even small layout changes-like shifting stairs or creating a seating nook-can make the space feel calmer and more comfortable.
Is KDAT framing worth it, and can I still choose Trex, TimberTech, or wood on top?
KDAT is a big value when you want cleaner framing, less twisting, and a better-looking underside on raised decks; it’s kiln-dried and pre-stained brown, and it includes a limited lifetime transferable warranty. You can pair KDAT framing with Trex, TimberTech, PVC, or natural wood-so you don’t have to compromise on the finished surface you want.
Your Local Deck Builder Serving Roslyn
From Roslyn Estates to Roslyn Harbor and Roslyn Heights, Decks Unique builds decks that fit the home, the neighborhood, and the way you actually live outdoors. Homeowners come to us for straightforward guidance, strong craftsmanship, and proven satisfaction-supported by ratings like 5.0 (Google), 4.7 (Angi), and 94% (Facebook).
Contact Us for a Free Quote
Call Us for a Free Quote
Service Areas
We proudly build custom decks throughout Roslyn and nearby neighborhoods across the North Shore. Service is available in Roslyn and nearby ZIP codes 11576, 11577.




