Build Without Compromise
At Allegheny Millwork & Lumber, we know every project tells a story — of craftsmanship, precision, and pride. That’s why we don’t just sell lumber; we deliver the premium materials, design-grade expertise, and reliable service that keep Pittsburgh’s best builders, architects, and homeowners ahead of the curve.
Lumber — The Foundation of Every Great Build
- Stronger Starts → Dimensional lumber selected for straightness and stability, reducing rework on site.
- Outdoor Confidence → Pressure-treated boards that resist rot, insects, and Pittsburgh weather.
- Design-Grade Hardwoods → Poplar, maple, oak, cherry, hickory, and sapele that elevate cabinetry, furniture, and architectural details.
- Engineered Performance → LVLs, LSLs, and structural solutions that let you span farther and design bigger.
Plywood & Panels — Where Strength Meets Style
- Workhorse Sheets → CDX and underlayment that keep jobs cost-efficient and reliable.
- Showpiece Panels → Veneer-core birch, oak, and maple sheets designed for exposed finishes.
- Precision Results → Stable MDF and specialty panels that cut clean and finish smooth.
Engineered & Composite — Modern Solutions for Modern Builds
- Open Concepts, No Compromises → LVLs, I-joists and laminated beams for long, stable spans.
- Outdoor Living Reinvented → Premium composite decking delivers the warmth of wood with zero-maintenance durability.
- Future-Proof Choices → Materials engineered to resist moisture, fading, and wear — built to outlast trends.
Beyond the Board — Full-Scope Essentials
Drywall. Insulation. Siding. Hardware. Every detail staged, checked, and delivered with your order — so nothing slows the schedule.
The Allegheny Advantage
- Hundreds of years of experience under one roof → Select and use the right product
- Staged & Complete Orders → No missing pieces, no wasted trips.
- White-Glove Delivery → On time, on site, and handled with care.
Who We Empower
- Builders & Contractors → Materials that perform, deliveries that arrive, service that reduces costly callbacks.
- Architects & Designers → Access to premium, design-grade stock with the expertise to match your vision.
- Homeowners & Consumers → Guidance and confidence to bring professional quality into your own projects.
Knowledge That Builds Confidence
Spec sheets, install guides, and curated checklists — designed to save time, prevent mistakes, and raise the quality bar on every project.


Ready to Elevate Your Build?
✔ Explore premium inventory in person.
✔ Download design-ready product specs.
✔ Request pricing or schedule a consult.
✔ Visit the showroom and see, touch, and compare.