Lake Cook Trenching has been providing septic system services to Lake McHenry and Northern Cook Counties since 1985. They install new septic systems, replace septic tanks, repair septic systems, and handle other related tasks. The business is described as an incredible, professional, and expert team that gets the job done right at the best value.
Customers praise the company's responsiveness, even on holidays, and its focus on education and customer service. Technicians like Miguel are exceptional, addressing immediate issues and taking the time to explain the system's components and maintenance best practices. The state inspector has even commended Lake Cook Trenching as the best in the Chicagoland area.
Overall, Lake Cook Trenching is a reliable and customer-focused company that provides excellent septic system services, from installation to maintenance and repair.
Our Septic system collapsed and we needed immediate assistance, We are forever grateful, thankful to the entire team of Lake Cook Trenching for all their amazing efforts in providing us with their expertise, knowledge, experience, compassion and very quick delivery on a job that took all day with a large crew that never even took a break until the job was done in full . ( this was done in 2 days with permits and inspection) Thank you , Rob and your son Dillon and the rest of of your great guys so very much appreciated. We feel very fortunate and blessed to have found them .
Aug 2025
5.0★★★★★
As a first time septic system owner, I had a sudden issue with foaming and strong odor coming from the tank. Chris in the office was incredibly helpful. She clearly understands the urgency of these situations and was able to coordinate same day service, which was a lifesaver.
Miguel, the field technician, was exceptional. Not only did he address the immediate issue, but he also took the time to walk me through the system's key components like the tank, baffles, aerator, and drain field and explained best practices for long term maintenance. He highlighted common mistakes and gave practical advice tailored to my setup. He's an awesome dude.
