From Houston, Texas to Florida and beyond, Gulf Coast Lumber is the trusted supplier of large pressure treated timbers for demanding projects in marine and shoreline construction. Whether you’re building elevated beach homes, boathouses, or wood bridges, we deliver the strength and durability your project requires.

Pressure Treated Square Timber Pilings deliver a level of uniformity that round pilings simply can’t match. They don’t just perform — they impress, with massive square timbers supporting your structure with strength and visual impact.

Built for Big Projects

• Extra‑Large Timbers Available – Need a massive 16x16x40’? We can supply it.
• ​Nationwide & International Shipping – We regularly ship 40‑foot timbers across the U.S. and overseas.
• Custom Options – Choose Southern Yellow Pine #2 and better, or request higher grades for appearance.

Precision & Flexibility

• Full‑Size Rough Cut or Milled Smooth – Tailored to your project’s finish requirements.
• Custom Cutting & Drilling – Timbers can be milled and drilled to your exact specifications.
• 📞 Call Gulf Coast Lumber today at 281‑670‑8631 or request a Rapid Response quote online.

At Gulf Coast Lumber, we supply pressure-treated timbers in a wide range of standard sizes to meet the demands of structural, marine, and heavy construction projects. From posts and beams to large-dimension supports, our inventory is built to serve both residential and commercial applications. If the exact timber size you need is not part of our regular stock, we can coordinate a special order through our trusted mill partners. Our team is committed to sourcing custom timber dimensions efficiently and delivering dependable materials on time and at competitive prices, helping keep your project moving forward without delays.