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Business Details
50+ Years
experience
Your Trusted Source for Building Supplies in Springfield
Since 1934, Janss Lumber has been a cornerstone of the construction and remodeling industry in Southwest Missouri. Our commitment to quality and service has made us a trusted partner for contractors and homeowners seeking premium lumber, doors, windows, millwork, and related materials. With over 90 years of combined experience, our team of industry veterans provides expert guidance to help clients select the right products for their projects, ensuring efficiency and cost-effectiveness.

We specialize in Andersen and Plygem installations, custom millwork, and large-scale material delivery, backed by a legacy of reliability and community-focused service. Our dual locations in Springfield, Missouri, allow us to maintain inventory and expertise across both lumberyard and millwork operations, ensuring comprehensive support for every build.
Services
Contractor Referral Door & Window Sizing Affordable Delivery Estimating Deck Design Millwork Siding & Trim
Details
  • Year established: 1934
Highlights and features
  • Our team has over 30 years of industry experience on average.
  • We offer Andersen and Plygem authorized installation services.
  • Comprehensive delivery options for job-site material needs.
  • Dedicated sales representatives for professional builders.
  • Custom millwork solutions for unique construction projects.
Services
Millwork
Missouri Millwork specializes in custom doors, mouldings, trim, and windows for residential and commercial projects. Our team handles everything from single replacements to large-scale builds. We provide authorized Andersen and Plygem installation services for guaranteed quality.
Lumber Supply
We supply standard and specialty lumber, including 2x4s, cedar boards, and large timbers for construction and remodeling. Our inventory supports both small projects and major developments. Expert staff assist in selecting the right materials for durability and cost-efficiency.
Door & Window Installation
Authorized installation services for Andersen and Plygem doors and windows ensure proper fit and performance. We handle interior and exterior installations, repairs, and custom sizing. Our technicians combine product expertise with on-site experience for reliable results.
Contractor Services
Professional builders receive dedicated sales representatives, charge accounts with customized pricing, and job-specific statements. We offer framing, siding, and roofing expertise to streamline project execution. Our team understands the demands of new construction and large-scale builds.
Delivery
We deliver lumber, doors, windows, and millwork directly to job sites across Southwest Missouri. Our logistics ensure timely arrivals to keep projects on schedule. Delivery options accommodate both small orders and bulk material needs for contractors and homeowners.
Questions
What services does Janss Lumber and Missouri Millwork offer?
We provide lumber, doors, windows, custom millwork, deck design, siding, trim, and delivery services for contractors and homeowners.
How long has the company been in business?
Janss Lumber has operated in Springfield since 1934, with Missouri Millwork established in 1979.
Do you deliver materials to job sites?
Yes, we offer delivery services to ensure materials arrive at your construction or remodeling site on time.
Are you authorized to install Andersen and Plygem products?
Yes, we are authorized installers for Andersen and Plygem doors and windows.
Do you support professional builders with specialized needs?
We assign dedicated sales representatives and specialists in framing, roofing, and hardware to assist builders.