- Vashon
- Commercial Roofing
- Industrial Roofing
- Locally Owned & Operated
- Warranties Offered
- Flat Roof
At Lo-sa Construction, we pride ourselves on our versatility and technical expertise, capable of managing both residential and commercial projects with ease. Based in Vashon, Washington, we offer a comprehensive range of services, including roof installation, repair, and gutter maintenance. Our skilled team is dedicated to delivering durable and high-quality results, ensuring that every aspect of your project is meticulously handled from start to finish. Our commitment to organization and attention to detail sets us apart.
We understand the complexities involved in construction and renovation, and our coordinated approach ensures that each project runs smoothly. Whether you need a new roof or repairs on existing structures, we are equipped to provide long-term value and satisfaction. Trust us to transform your vision into reality, as we consistently strive for excellence in every task we undertake.
The reviews reflect a highly positive sentiment towards LO-SA Construction, highlighting exceptional craftsmanship, professionalism, and effective communication throughout various projects. Customers appreciate the team's punctuality and their ability to meet and exceed expectations, contributing to a satisfying renovation experience. Additionally, the consistent positive feedback regarding timely project completion and adherence to budget underscores the company's reliability and dedication to customer satisfaction. Overall, clients express strong enthusiasm for recommending LO-SA Construction for future projects.
- The craftsmanship displayed was truly exceptional!
- The team was prompt, friendly, and took the time to understand my vision.
- They kept me updated throughout the process and made sure everything was done right.
- I couldn’t have done it without them. Very professional and on time.
- They not only met my expectations but exceeded them!
Customers are fully satisfied

⭐⭐⭐⭐⭐
I recently hired LO-SA Construction for a home renovation project, and I couldn’t be more thrilled with the results! From the moment I reached out for an estimate, their professionalism was evident. The team was prompt, friendly, and took the time to understand my vision.
The craftsmanship displayed was truly exceptional! Every detail was meticulously handled, from the perfectly aligned tiles to the beautiful cabinetry. They not only met my expectations but exceeded them! The project was completed on time and within budget, which was a huge relief.
Communication throughout the process was outstanding. I was kept informed every step of the way, and any questions I had were answered promptly and thoroughly. It was clear that customer satisfaction was their top priority.
What impressed me the most was their commitment to quality and integrity. They used top-notch materials and ensured that everything was done to code. I felt confident that my home was in good hands.
I highly recommend LO-SA Construction to anyone looking for reliable, skilled, and dedicated professionals for their construction or renovation needs. Their work has transformed my home, and I couldn't be happier. Thank you, LO-SA Construction, for making my dream space a reality!

Kevin and Arturo helped me place my above ground pool in my backyard. Couldn’t have done it without them. Thanks guys! Very professional and on time, would recommend them for any project. Will be using them again.

Losa construction did an amazing job on my families home renovation. The team was professional, on time, and the quality of work was excellent. They kept me updated throughout the process and made sure everything was done right. I highly recommend Kevin and Arturo for any construction project!
- Vashon
- Commercial Roofing
- Industrial Roofing
- Locally Owned & Operated
- Warranties Offered
- Flat Roof
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.