What are the opening hours?

Monday 7am - 5pm Tuesday 7am - 5pm Wednesday 7am - 5pm Thursday 7am - 5pm Friday 7am - 5pm Saturday 7am - 12pm

Sider Lumber

Call Directions Website Contact the business

Retail Provider of Building Materials Sider Lumber is proud to be serving the Long Island area.

We deliver the kind of specialized attention and help that you simply won’t find in larger chain stores. Our store professionals are comprised of trained specialists whose experience and helpful advice will ensure the success of every project.

10/29/2026

One of the smartest ways to maximize the utility of a property? It might just be adding a second living space above the garage

How can you enhance your home with Andersen Windows?

10/27/2026

And just like that, winter is here! Whether you're a fan of the cold or not, you have to love the look of these black Andersen® windows and doors with a fresh coat of snow. 🙌❄

Featured here: 100 Series Windows and 200 Series Doors

10/22/2026

Indulge in ultimate relaxation with Andersen 400 Series windows framing your perfect bath retreat. 🛁✨ Let the natural light pour in as you unwind in your luxurious bathtub. Dreaming of this serene oasis in your home? Discover how to make it a reality today! " 🌿🪟💧

10/20/2026

Stack up the style and let the outdoors glide right in. With Andersen Multi-Glide Patio Doors, your home will be the ultimate retreat. Contact us for more information.

10/15/2026

Blend the best of both worlds by mixing and matching Andersen’s A-Series and 400 Series windows. Enjoy the timeless elegance and superior performance of our products, while adding a touch of charm with custom grills.Transform your home into a cozy haven—start your Andersen journey today!

10/13/2026

"Transform your space into a cozy haven with Andersen 400 Series windows! 🌞📚✨ Perfect for creating that dreamy reading nook where natural light meets comfort. What book would you read in this space? " 📖🏡

10/08/2026

Looking for modern windows to update your home? You need windows that feature: - Narrow frames - Black color - Lots of glass

The Andersen Windows 400-Series contemporary profile (shown here) delivers on all of this and more.

10/06/2026

🍂✨ Transform your home this fall with our stunning Aseries Windows and a beautiful entry door! 🍁🏡 Embrace the cozy vibes and let the autumn light in.What’s your favorite fall activity? Share with us in the comments! 👇🍂

10/01/2026

Elevate your home’s exterior with Andersen 200 and 400 Series windows! 🌟✨ Perfect for any style, these windows bring a touch of sophistication and enhance your home’s overall look. Which part of your home’s exterior would benefit most from these windows? Tell us below! 👇

09/29/2026

“Embrace the warmth of home with our cozy nook, featuring ESeries windows that flood the space with natural light. Can you imagine unwinding here with a good book?” 📚✨

Address

45 Southern Boulevard
Nesconset, NY
11767

Opening Hours

Monday	7am - 5pm
Tuesday	7am - 5pm
Wednesday	7am - 5pm
Thursday	7am - 5pm
Friday	7am - 5pm
Saturday	7am - 12pm

Telephone

+16312651012

Website

https://www.siderlumber.com/

Alerts

Be the first to know and let us send you an email when Sider Lumber posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.