Serving: Kankakee, DuPage, Will, Iroquois, Cook, Livingston & Grundy Counties

About Allied Waterproofing & Septic

At Allied Waterproofing & Septic, we specialize in protecting homes and businesses with expert waterproofing, septic, and sewer services. Privately owned and rooted in the community, we’re committed to delivering reliable solutions tailored to each client’s needs. From foundation waterproofing to septic installations and sewer repairs, we handle every project in-house, ensuring top-quality results and seamless coordination.We take pride in being more than a service provider. Actively involved in local events, church activities, and community barbecues, we prioritize building lasting relationships. Our customer-first approach and 24/7 emergency services set us apart, ensuring your property is protected when it matters most.

Jennifer Mrdalj

– Owner & Founder

Meet Jennifer Mrdalj, the owner and driving force behind Allied Waterproofing & Septic. With a profound dedication to serving others, Jennifer brings a wealth of experience from her 15+ year tenure in Human Resources. Her approach revolves around establishing connections founded on trust, empathy, and mutual respect, reflecting her belief in the power of strong, enduring relationships.

Christopher J. Friedsam

– Operations & Technical Lead

With a remarkable 16+ year journey in the water-related damages sector, Christopher J. Friedsam has gained the insight, and problem-solving reputation for delivering swift and efficient resolutions. Whether the issue demands foundation crack injections, drainage tiles, crawl space encapsulation, sump pump installation, structural reinforcement, yard stormwater management, storm sewer installation, storm drainage, or the expertise of a licensed Septic Technician, Christopher stands well-equipped to identify and implement the ideal solution.

Our Crew

Our skilled team of technicians and support staff are the backbone of Allied Waterproofing & Septic. With three dedicated crews, we handle a wide range of projects, including septic installations, sewer repairs, drainage solutions, and waterproofing. Every team member is trained to provide high-quality service with a focus on safety, efficiency, and customer satisfaction.