Timeless Wood.
Trusted Craftsmanship.
Since 1909, Boswell Lumber Company has been a leading wood moulding manufacturer and custom wood trim supplier serving Pennsylvania and beyond.
Rooted in Quality
Since 1909
Craftsmanship, precision, and proven reliability. That’s what professionals and homeowners have relied on for over a century.
As a premier wood moulding manufacturer and custom millwork supplier, our team has been delivering high-quality interior wood trim products, S4S lumber, and finish-grade mouldings since 1909. From historic renovations to luxury new builds, you’ll receive expert guidance, superior materials, and fast, reliable service on every order.
Whether you’re building a home, remodeling a space, or designing a showpiece, you’ll find the tools, products, and support to do it right the first time.
We have you covered from floor to ceiling, interior and exterior and everywhere in between.
Our Product
Categories
Every project is different, and we’re here to help you get it right.
With decades of hands-on experience, our team takes pride in guiding our customers toward the best materials for their unique needs and we stand behind every product we mill. Whether you’re a contractor, builder, or DIY homeowner, you’ll find high-quality, reliable options across all of our core product lines.
Mouldings
From classic casing and crown to detailed architectural mouldings and custom millwork, we offer over 140 stocked profiles in poplar, red oak, and pine—ready for fast delivery.
S4S Lumber & Finish Wood Products
As a trusted S4S lumber supplier, we offer premium pine, poplar, and red oak boards in a wide range of widths and lengths. Each board is planed smooth with a clear face: perfect for finish carpentry and fine woodworking.
Tongue & Groove
Clean, precise, and ready to install—our tongue & groove boards are ideal for walls, ceilings, and feature spaces where seamless lines and strong joints matter.
Shiplap
Add warmth and dimension with classic shiplap paneling, available in multiple wood species and profiles for everything from farmhouse accents to modern finishes.
Flooring
We mill solid hardwood flooring with precision, offering unfinished planks in popular species like red oak and white oak—perfect for site-finished installations.
Post & Beams
Whether structural or decorative, our custom-milled posts and beams bring natural beauty and timeless strength to your interiors or timber-framed features.
Doors
From solid wood slabs to custom-trimmed frames, our door solutions are crafted to complement your mouldings and complete your interior millwork package.
Why Builders Trust
Boswell Lumber
-
Large On-Site Inventory
Supplying builders fast with the materials they need. -
Fast Turnaround
We keep projects moving with precision and speed. -
Custom Capability
Full in-house tooling, milling, and fabrication. -
High-End Quality
Finish-grade materials trusted by top contractors. -
Local Expertise
Serving Western PA and surrounding regions since 1909
From hardwood boards, moulding, and custom millwork, we’re your one-stop shop for interior and exterior finish carpentry materials in Pennsylvania.
We Work With
- Home Builders & Remodelers
- Commercial Construction Firms
- Finish Carpenters & Woodworkers
- DIY Homeowners & Designers
- Wholesale Moulding Companies & Suppliers
- Home Builders & Remodelers
- Commercial Construction Firms
- Finish Carpenters & Woodworkers
- DIY Homeowners & Designers
- Wholesale Moulding Companies & Suppliers
Need Something Custom?
Need Something Custom?
Frequently Asked Questions
We stock over 140 wood moulding profiles in poplar, red oak, and pine, including base trim, crown mouldings, chair rails, door casings, and more. We also offer custom mouldings and millwork made to your exact specifications.
Absolutely! As a full-service custom wood trim manufacturer, we can match a sample or drawing or create a brand-new profile using our in-house knife grinding and milling capabilities. If you can dream it, we can mill it.
Yes—we're a trusted S4S lumber supplier with pine, poplar, and red oak S4S boards in stock. All are planed on four sides and available in a variety of widths and lengths for finish carpentry and trim applications.
We supply home builders, contractors, remodelers, finish carpenters, DIY homeowners, and wholesale trim and moulding companies across Pennsylvania and surrounding states. Whether you're outfitting one room or an entire development, we’ve got you covered.
We’re known for our quick turnaround and heavy on-site inventory. With most profiles and raw materials in stock, we can often fulfill orders in days—not weeks. Custom orders are also milled in-house to keep things moving.
Boswell Lumber Company is located just outside of Somerset, PA, about 60 miles southeast of Pittsburgh. We're proud to be a locally owned millwork supplier in Pennsylvania, still operating on our original mill site since 1909. Our address is 4904 Penn Ave, Boswell, PA 15531.
You can call us, email us, or fill out our contact form online. Our knowledgeable team is here to help you choose the best materials for your specific project needs.
Phone: (814) 629-7594
Email: sales@shorttreeproducts.com
Contact Form
What Our Customers Say
Ready to get Started?
Explore our full catalog of premium mouldings, S4S lumber, and custom millwork, or reach out to our team for expert help choosing the right materials for your next project. Let’s build something exceptional together.
Ready to get Started?
Explore our full catalog of premium mouldings, S4S lumber, and custom millwork, or reach out to our team for expert help choosing the right materials for your next project. Let’s build something exceptional together.