Business Details
Your Local Building Supply Experts in Castle Rock, WA
Castle Rock Building Supply is a family-owned building supply store serving Cowlitz and southern Lewis counties since the 1930s. Our commitment to exceptional customer service and trusted brands has made us a cornerstone of the community. With decades of combined experience, we specialize in providing high-quality materials for residential and commercial projects. Our team prioritizes personalized service, ensuring clients receive tailored solutions for their specific needs. We maintain an extensive inventory of lumber, roofing materials, and construction essentials while offering special-order capabilities for hard-to-find items.Our delivery services support local contractors and DIY enthusiasts alike. Owner Ken Campbell has dedicated his career to serving the region since the 1960s, ensuring our store remains a reliable resource for the community. We pride ourselves on maintaining old-fashioned service values in a modern marketplace. Our expertise spans treated lumber, drywall, electrical supplies, and premium brand partnerships. This combination of experience, inventory, and service orientation makes us a preferred choice for building professionals and homeowners.
Services
Treated Lumber
Drywall & Accessories
Composition Roofing
Milgard Windows
Wayne Dalton Garage Doors
Concrete & Cement
Electrical Supplies
Power Tools
Highlights and features
- Family-owned operation serving the community since the 1930s
- Extensive inventory of treated lumber, drywall, and construction essentials
- Special-order capabilities for hard-to-find building materials
- Delivery services for lumber and heavy construction materials
- Owner-operated business with decades of local industry experience
Services
Treated Lumber
Our treated lumber resists rot, insect damage, and weathering for durable outdoor construction. Ideal for decks, fences, and structural foundations, this material meets industry standards for safety and longevity. Contractors and homeowners trust our treated lumber for long-lasting performance in Pacific Northwest climates.
Drywall & Accessories
We stock standard and specialty drywall panels plus complete installation accessories. From fire-rated boards to moisture-resistant options, our inventory supports commercial and residential interior projects. Our staff helps customers select appropriate thicknesses, finishes, and fastening systems for their specific applications.
Composition Roofing
Our composition roofing materials include durable asphalt shingle options for residential and light commercial buildings. Available in multiple grades and warranties, these products provide weather protection with aesthetic versatility. We offer both standard three-tab and premium architectural shingle styles.
Milgard Windows
We provide Milgard's vinyl, wood, and fiberglass window solutions with custom sizing options. Their energy-efficient designs reduce heating and cooling costs while enhancing building aesthetics. Our team assists with selection, ordering, and installation preparation for replacement or new construction projects.
Concrete & Cement
We supply pre-mixed concrete and cement materials for foundations, sidewalks, and structural applications. Our inventory includes standard mixes and specialty formulations for specific strength requirements. Delivery services ensure proper quantities arrive at job sites ready for immediate use.
People
Ken Campbell
Owner
Ken Campbell has served the local construction industry since the 1960s, operating Castle Rock Building Supply since 2005. His decades of material supply experience ensure customers receive expert guidance and quality products for their building projects.
Questions
What building materials do you stock?
We carry treated lumber, drywall, composition roofing, Milgard windows, electrical supplies, concrete, and power tools. Special orders available for most construction needs.
Do you offer delivery services?
Yes, we provide delivery for lumber and heavy materials to support local contractors and DIY customers in our service area.
Can you special order building materials?
We can special order most building materials not currently in stock, including specialty windows and doors from premium brands.
What areas do you serve?
We primarily serve Cowlitz County and southern Lewis County, Washington, with delivery services extending to most local job sites.
What are your store hours?
Monday-Friday 7:30 AM - 5:30 PM, Saturday 9:00 AM - 1:00 PM, Sunday closed. Store location details available on our website.