Premium Custom Lumber & Architectural Materials for Extraordinary Designs
New York’s leading supplier of FSC-certified tropical hardwood and thermally modified wood—expertly milled and customizable for architects, builders, and homeowners who demand materials that perform.
WE DELIVER ANYWHERE IN NY + CT
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VISIT OUR LONG ISLAND SHOWROOM
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SERVING NEW YORK, CONNECTICUT, AND SOUTH JERSEY
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WE DELIVER ANYWHERE IN NY + CT | VISIT OUR LONG ISLAND SHOWROOM | SERVING NEW YORK, CONNECTICUT, AND SOUTH JERSEY |
Shop everything you need for your outdoors.
Backed by 20 and 50-Year Warranties
Trusted by builders, designers, architects, and luxury homeowners, our lumber is the number one choice for high-end projects built to last.
Visit our Long Island showroom to explore our inventory and plan your next project.
Built To Last for Generations
Lumber Plus NY is the largest architectural wood supplier for high-end projects across New York, the Hamptons, Long Island, Connecticut, and South Jersey.
With our hands-on, boutique approach, we make it easy to transform high-end lumber into breathtaking spaces that astonish for decades.
From Design to Delivery
We work alongside your team from early specification through final delivery to keep projects moving without delays.
Materials are selected based on performance, application, and design intent, then custom milled, pre-finished if needed, and delivered ready for installation.
THE GOLD STANDARD IN SUSTAINABLE LUMBER
Experience the Materials in Person
A Showroom Worth Bringing Clients To
Our Ronkonkoma showroom features premium hardwoods, thermally modified wood, and full-scale wall and ceiling applications so you can compare and specify materials with confidence.
📍 2175 5th Ave, Ronkonkoma, NY
📱 (934) 949-2639
↓ SHOP NORTH AMERICA’S FAVORITE DECKING MATERIALS. ↓
↓ SHOP NORTH AMERICA’S FAVORITE WALL & CEILING MATERIALS↓
↓ SHOP ADDITIONAL BUILDING MATERIALS ↓
LET’S DISCUSS YOUR PROJECT
Whether it’s a quick question or a full-scale project, we partner with you to create spaces that inspire and last. Schedule a consultation with our team or plan a visit to our Long Island showroom to explore premier materials, custom solutions, and a seamless experience that will streamline your next project.
Trusted Across NY & CT
“Nice show room! They got everything I needed for my decking project. Really recommend! All high end material.”
- Nicoly B
“From Ipe to Thermowood, they’ve got every kind of lumber I need. Solid selection.”
- Henrique G
Frequently Asked Questions
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Yes. We carry the largest inventory of tropical hardwood and thermally modified wood in New York. Most projects are fulfilled from stock, reducing lead times and protecting your construction schedule.
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Yes. Our tropical hardwood and thermally modified wood products are FSC-certified and sourced from responsibly managed forests.
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Thermally modified wood products carry warranties up to 20 years. Tropical hardwood products carry warranties up to 50 years, depending on application and species.
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Yes. We support both new construction and high-end renovations, including full exterior upgrades, siding replacements, deck expansions, and ceiling systems.
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Both. We work with architects, builders, and homeowners. For homeowners, we typically collaborate alongside their builder or designer to ensure materials are specified and installed correctly.
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Please reach out for specific details!