Build with a material engineered by nature and proven over time. Black Locust Lumber delivers unmatched durability, natural performance, and a new standard for exterior design.

Navy Pier in Chicago, Illinois, underwent a transformative redesign from 2014 to 2017.

The Queens Botanical Garden Visitor Administration Center, designed by BKSK Architects / LLP in collaboration with Atelier Dreiseitl, exemplifies sustainable architecture and environmental stewardship.

The Audubon Corkscrew Swamp Sanctuary in Naples, Florida, is a pristine natural habitat showcasing a unique elevated boardwalk crafted with precision by Black Locust Lumber.

FoxField in Maryland exemplifies a sensitive approach to wetland preservation and public access.

The NY Botanical Gardens in the Bronx, New York, showcases a harmonious blend of nature and architecture, featuring boardwalks and site furnishings provided by Black Locust Lumber. Designed by Hugh Hardy and landscape architecture by Sheila A Brady - Oehme, van Sweden & Associates, this project is a testament to sustainable design principles and environmental stewardship.

High Meadow Dwellings at Fallingwater exemplifies a harmonious integration of architecture with the natural landscape. Designed by Bohlin Cywinski Jackson in collaboration with Fallingwater Summer Interns, this project received the 2016 AIA Pennsylvania Silver Medal for its innovative design and environmental sensitivity. The dwellings feature siding screens and an elevated boardwalk constructed with Black Locust Lumber, blending seamlessly with the iconic surroundings of Fallingwater.

The Gustafson-Guthrie Bench, located in New York, is a notable project completed in 2020. Designed by the esteemed architectural firm Gustafson Guthrie Nichol, this project exemplifies innovative landscape architecture with an emphasis on both functionality and aesthetics.
Building the Future with natural black locust lumber
Inherently resistant to decay without any chemical treatment.
Exceptional longevity that outlasts most conventional materials.
Locally sourced, supporting sustainable domestic forestry.
Pure, untreated timber — safe for people and the environment.
Set and forget — black locust asks for nothing once installed.
Gracefully weathers to a distinguished silver-grey over time.



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Black Locust Lumber transformed Black Locust from a traditional agricultural material—once used for fence posts and firewood—into a complete architectural product line. For over 25 years, we’ve led its evolution into premium siding, decking, and paver applications, positioning it as a true domestic alternative to tropical hardwoods.As a U.S.-based, fully integrated sawmill, we work exclusively with Black Locust. Sourced from the Appalachian region and crafted by skilled local craftsmen, every step of our process is focused on refining and elevating this single species—bringing it to the forefront of modern architectural design.
Our mission is to elevate a native U.S. species—long trusted by farmers for its strength and durability—into the forefront of modern building. We are committed to educating the market on Black Locust as a high-performance alternative to tropical hardwoods, while championing real, natural wood over composites and energy-intensive modified materials. By advancing its use in decking, siding, and outdoor design, we aim to redefine how architects and builders specify wood—grounded in authenticity, longevity, and American-grown craftsmanship.