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New Castle Building Products

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Ronkonkoma, NY
New Castle Building Products

Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from New Castle Building Products, Building Material Store, 2133 Ocean Avenue, Ronkonkoma, NY.
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11/03/2026

Who's most likely to... New Castle edition!!

Comment questions you want to ask them next 👇👇 Part 2 coming soon 👀

10/31/2026

Happy Halloween from our team to yours! We hope everyone has a safe and fun Halloween! 🎃

10/29/2026

10/28/2026

We had a great day at our Middletown Vendor Showcase!

A big thank you to our vendors and all the customers who came out to join us and make the event a success. We appreciate your continued support and enjoyed spending the afternoon with everyone!

10/21/2026

Rain or shine, we’re on the road and ready to deliver! 🌧️

At New Castle Building Products, we’re committed to getting the materials you need to keep your projects moving.

10/14/2026

Middletown Vendor Showcase coming up!

Join us Friday, October 23rd from 8am-4pm at our Middletown branch for a day packed with industry vendors, lunch, and networking!

Stop by to chat with some of our top vendors including , , , , , , and many more!

Come meet our vendor partners, check out the latest products, and see what’s new in the industry.

📍 NCBP Middletown
4900 Rt 17M, New Hampton, NY 10958
🗓️ October 23 | 8am-4pm

We hope to see you there!

10/12/2026

We had yet another great year at the Pace University Career Fair this past Friday!

It was great meeting so many talented and passionate students and sharing more about career opportunities at New Castle.

🔗 Click the link in our bio to learn more about our open positions!

10/09/2026

New Castle is a stocking distributor of PVC roofing materials.

Duro-Last is known for its PVC roofing systems, designed to deliver long-lasting performance, durability, and reliable protection for commercial roofing projects. From new construction to re-roofing applications, Duro-Last offers solutions designed to help simplify installation and provide dependable, watertight protection.

At NCBP, we’re here to help you find the right commercial roofing materials for your next project. Reach out to your local branch to learn more about Duro-Last products and how our team can help you get the job done.

Ready to get started? Request a quote through the link in our bio!

10/01/2026

Fall is here, and our trucks are on the road and ready to deliver.

Keeping your projects moving with the materials you need, all season long!

Address

2133 Ocean Avenue
Ronkonkoma, NY
11779

Telephone

(631) 585-6200

Website

facebook.com

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