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Leon Builders, L.L.C.

About Us

Welcome to Leon Builders, L.L.C.! As a reputable general contractor in Ottawa, IL, we are proud to serve the neighboring areas. With our extensive expertise in construction, roofing, installation, barndominiums, custom homes, post-frame construction, and painting, we provide a comprehensive range of commercial and residential services to cater to your needs. Whether it's driveway, patio, drywall, or gutter installations you require, our skilled team is dedicated to delivering outstanding results. Choose Leon Builders, L.L.C. for all your construction needs today!

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Our Story

Leon Builders, L.L.C. is a trusted, family-owned general contractor based in Ottawa, Illinois, proudly serving the surrounding communities with exceptional construction and renovation services. From the beginning, the vision behind Leon Builders has been simple: deliver high-quality craftsmanship, treat every customer with respect, and provide more value than expected on every single project. That commitment has shaped who we are today and has made us a reliable name for both residential and commercial clients.

The business began with a passion for building and a desire to offer honest, reliable construction services to local homeowners and businesses. As a family-owned company, Leon Builders understands the importance of trust and integrity. Every project is handled with care, and every client is treated like part of the family. Over the years, that foundation has allowed us to grow into a full-service contractor known for delivering exceptional results at highly competitive prices.

Leon Builders specializes in a wide range of services, giving customers the convenience of working with one well-rounded, highly skilled team. Our expertise includes general construction, roofing, painting, remodeling, post-frame buildings, barndominiums, custom homes, drywall, patios, gutters, installations, and more. Whether you’re planning a commercial build-out, updating your home, or constructing a new building from the ground up, our team is fully equipped to bring your vision to life.

What sets Leon Builders apart is our commitment to overdelivering. We don’t just meet expectations—we exceed them. Customers consistently tell us that our friendly service, skilled workmanship, and attention to detail make the experience smooth from start to finish. We believe that quality shouldn’t have to come with an overwhelming price tag, which is why our services are priced competitively while still maintaining the highest standards of craftsmanship.

When you choose Leon Builders, you can expect professionalism, politeness, and efficiency. Our team shows up on time, communicates clearly, and works diligently to complete each project in a timely manner without sacrificing quality. Whether it's a simple repair or a major construction project, we focus on creating a stress-free experience and a finished product you’ll be proud of.

From new construction to remodels, roofing to painting, and residential to commercial projects, Leon Builders, L.L.C. is your trusted partner for dependable, long-lasting results. With family values at our core and a dedication to delivering more than we promise, we continue to build strong relationships and even stronger structures throughout the Ottawa area.

Visit us at 711 W Joliet St, Ottawa, IL 61350 or call 815-433-6352 to get started on your next project.

Areas Served

Ottawa, IL | Streator, IL | Grand Ridge, IL | La Salle, IL | Peru, IL | Utica, IL | Earlville, IL | DeKalb County, IL | Kane County, IL | Kendall County, IL | Grundee County, IL

Our Certifications

• Licensed Contractor

Languages Spoken

• English
• Spanish

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What We Offer

Our Services include:

• Commercial Contractor
• Commercial Roofing
• Commercial Construction
• Barndominiums
• Residential Roofing
• Residential Construction
• Residential Contractor
• Driveway Installation
• Patio Installation
• Interior Painting
• Exterior Painting
• Gutter Installation
• Farm Construction
• Post Frame Construction
• Custom Homes
• Drywall and Taping
• Interior Remodel
• Kitchen and Bath Remodel

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Testimonials

On 10/24/2025 Maria Millman had this to say:
Agustin and his team are top notch! From simple work like a small remodel project to a new build - they handle it all with ease and a smile.

On 10/11/2025 Desiree B had this to say:
Well, it’s been quite a journey this visit. Water damage to my interior walls in the living room and dining room prompted me to start getting roofing estimate out of five different roofers, only one produced the documentation that I needed such as liability insurance, workers comp insurance, their state license, and their city certification to roof here in Ottawa IL. So upon two recommendations from a very close knowledgeable friend, I decided on Leon Builders from Ottawa IL. The subcontractor was Jorge Contractors. Both are family run businesses. They were prompt, responsive, answered all my questions thoroughly, and when I needed clarification they provided it. The roofers continually had a professional, friendly, and helpful attitude the entire three days they were here. My attention to detail can be a bit annoying, but they even weathered that very well. They solved every request I had, including sweeping the area with a giant magnet multiple times to make sure they got the nails picked up. That was a big concern of mine since I have a dog that loves to run like the wind in my yard. A advised me that they are always open to improving and providing the best service possible. His support staff, his daughter Faby was terrific to work with. They explained the step-by-step process and reassured me every step of the way. It’s a big deal to have people up on your roof and you want to make sure they have all the insurance coverage they need before they proceed. I highly recommend Leon Builders and their subcontractor Jorge and his two sons and one son-in-law the roofers. Give them a call. Testimonial written by Desiree B on this site.

On 5/19/2025 Bill Marsh had this to say:
Leon Builders is one of the best groups we've ever worked with. Professional, courteous, attentive to detail, and fairly priced. They updated our old barn and converted an old shed into a workshop. We're thrilled with the results and will definitely be working with them again. Big jobs and small are handled with care and a genuine commitment to doing the job right the first time. Very highly recommend!

On 5/19/2025 Bill M had this to say:
Leon Builders is one of the best groups we've ever worked with. Professional, courteous, attentive to detail, and fairly priced. They updated our old barn and converted an old shed into a workshop. We're thrilled with the results and will definitely be working with them again. Big jobs and small are handled with care and a genuine commitment to doing the job right the first time. Very highly recommend! Testimonial written by Bill M on this site.

On 5/8/2025 Dan&Terri Phalen had this to say:
Thank you August, Fabi, and Omar for excellent job you did. You are the few people left that that do what you say. Started on time. Perfectly clean and secure site every night. Attention to detail and quality ideas. And most importantly FINISHED ON TIME. I would highly recommend you to everyone. Testimonial written by Dan&Terri Phalen on this site.

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Contact Us

Leon Builders, L.L.C.
711 W Joliet St Ottawa, IL 61350
Phone: (815) 433-6352
Email: office@leonbuilders.org

Where To Find Us

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Payment Types Accepted

American Express, Personal Checks, Debit Cards, Discover, MasterCard, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:30 AM - 4:00 PM By Appointment Only After 4:00 PM
Tuesday: 8:30 AM - 4:00 PM By Appointment Only After 4:00 PM
Wednesday: 8:30 AM - 4:00 PM By Appointment Only After 4:00 PM
Thursday: 8:30 AM - 4:00 PM By Appointment Only After 4:00 PM
Friday: 8:30 AM - 4:00 PM By Appointment Only After 4:00 PM
Saturday: By Appointment Only

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