- 126 Huntington Ave N, Castle Rock, WA 98611
- Green Roof
- TPO Roof
- Flat Roof
- Rubber Roofing
- Tar and Gravel Roofing
At Castle Rock Building Supply, we pride ourselves on our versatility and technical expertise, serving both residential and commercial clients with a comprehensive range of services. Located in Castle Rock, Washington, we specialize in roof installation, replacement, repair, waterproofing, and skylight installation. Our well-coordinated team is equipped to manage complex projects from start to finish, ensuring that every detail is meticulously addressed. We understand the importance of organization and consistency in delivering durable, high-quality results.
Our commitment to attention to detail and reliability sets us apart in the industry. Whether you are facing an emergency roof repair or planning a new installation, we are dedicated to providing long-term value and support for your construction needs. Our location on Huntington Avenue positions us perfectly to serve Castle Rock and the surrounding areas, making us your go-to resource for all roofing solutions.
Customer reviews for Castle Rock Building Supply are overwhelmingly positive, highlighting excellent customer service, knowledgeable staff, and competitive pricing. Many customers appreciate the personalized attention they receive, with staff going above and beyond to assist with their needs. The ability to order specific materials quickly is also noted as a significant advantage over larger home improvement stores. Overall, the communication and delivery of services contribute greatly to customer satisfaction, making it a preferred choice for building supplies.
- Every employee went above and beyond to help me and make me feel welcome.
- Ken and family are very knowledgeable and do a great job.
- What excellent customer service and price for board very reasonable plus cut no cost.
- If they don't have the materials you need, they will order and get it in within a couple days.
- Buy local and from someone you can trust!
Customers are fully satisfied

Friendliest business I've been to in the area. Every employee went above and beyond to help me and make me feel welcome. Prices and quality are good. Will definitely be my first stop for any future construction needs.

Castle Rock Building Supply has been supplying excellent lumber products for our self-built house for decades. Even Trex decking and windows too. Ken and family are very knowledgeable and do a great job, and we will ALWAYS go here first before going to any Big Box store. This place is a real gem.

Went into Castle Rock Supply for a board. Met Ken, the owner and he was extremely helpful.
Told him what I needed and asked if they could cut it in half.
Ken put an associate on it immediately who led me into back and allowed me to choose my board.
While I chatted with Ken the board was cut and loaded into my pickup.
What excellant Custer Service and price for board very reasonable plus cut no cost.
Have new projects for future and will obtain all my wood supplies at Castle Rock Lumber.
- 126 Huntington Ave N, Castle Rock, WA 98611
- Green Roof
- TPO Roof
- Flat Roof
- Rubber Roofing
- Tar and Gravel Roofing
The average roof replacement cost for a residential home typically ranges from $7,000 to $15,000, depending on factors such as roof size, chosen materials, roof pitch, and labor rates in your area. Premium materials or complex designs may increase the price.
The cost to replace the roof of a commercial building typically ranges from $5 to $12 per square foot, depending on several factors such as roof size, material, labor rates, building type, and local code requirements.
Several factors influence roof repair cost, including the extent of the damage, roof accessibility, material type, labor costs, and whether it’s a general repair or an emergency fix. Minor repairs can start around $150–$400, while major repairs may exceed $1,500.
Roof leak repair cost generally ranges from $300 to $800, depending on the size and location of the leak, the materials required, and labor intensity. Complex leaks involving structural repairs or interior damage will cost more.
Flat roof repair cost for commercial properties usually ranges from $500 to $3,000, depending on the roofing material (TPO, EPDM, PVC), the extent of the damage, and roof accessibility.
Mobile home roof replacement cost typically ranges from $3,000 to $8,000, making it generally more affordable than traditional home roof replacements, due to smaller size and simpler structure.
It's not necessary to stay home during roof replacement. Roofing work is noisy and can cause vibrations inside the house, which might be uncomfortable. Most homeowners choose to leave during major parts of the project, but our team ensures safety and keeps you updated, whether you're home or not.
The timeline for a roof replacement typically ranges from one to three days, depending on the size and complexity of the roof, weather conditions, and material type. Larger or more intricate roofs may take a bit longer, but we always aim for efficient, timely completion.
To hire a roofing contractor, start by researching local companies with good reviews and proper licensing. Request quotes from multiple contractors, verify their insurance and certifications, and ask for references. Always ensure you get a written contract that outlines the scope of work, timeline, and payment terms.
Check if a roofing company is legit by verifying their business license, insurance, and local certifications. Look for memberships in professional associations, read customer reviews, and ask for recent project references. A legitimate company will be transparent and provide all documentation upon request.
When choosing a roofing company, consider their experience, customer reviews, warranty offerings, and quality of materials. Make sure they provide clear communication, detailed estimates, and a solid portfolio of completed projects. Local expertise is also a major advantage for understanding regional roofing needs.
Warning signs that your roofing contractor might be ripping you off include vague contracts, pressure to pay large upfront deposits, lack of proper documentation, and unexplained price increases. Always ask for itemized estimates and written guarantees, and avoid contractors who avoid answering your questions directly.