Plumbing System Engineering
Connecticut and the Tri-State Area
Fully Licensed and Insured
In Business Since 1987
Work Directly with Builders & Installers
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Professional Plumbing Engineering Solutions
CJL Engineering Inc is your trusted partner for comprehensive plumbing engineering services in Connecticut and the Tri-State area. Since 1987, we've been delivering high-quality engineering solutions that meet the unique needs of our clients. Our team of experienced professionals brings over 40 years of industry expertise to every project, ensuring that your plumbing systems are designed with precision, efficiency, and compliance in mind. As active members of the National Society of Professional Engineers and the American Society of Heating, Refrigeration, and Air Conditioning Engineers, we stay at the forefront of industry advancements to provide you with cutting-edge solutions.
At CJL Engineering, we understand that every project is unique. That's why we take a personalized approach to each client, working directly with builders and installers to ensure seamless integration of our designs. Our full licensure and insurance in Connecticut, New York, and New Jersey give you peace of mind, knowing that your project is in capable hands. As a locally owned business, we're committed to the communities we serve, providing tailored engineering services that meet local requirements and exceed expectations. Let us put our expertise to work for you, delivering plumbing engineering solutions that are efficient, cost-effective, and built to last. Contact us today!
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Why Choose CJL Engineering
Complete Engineering Solutions
In Business Since 1987
Personalized Approach
Fully Licensed and Insured
Work Directly With Builders and Installers
Licensed in CT, NY, and NJ

Drainage and Wastewater Systems
Our expertise in drainage and wastewater systems ensures that your property's plumbing infrastructure operates smoothly and efficiently. We design comprehensive solutions that manage water flow, prevent backups, and protect against environmental hazards. Our team considers factors such as building size, usage patterns, and local regulations to create systems that are both functional and sustainable.
Code Compliance and Permitting
Navigating the complex world of plumbing codes and permits can be challenging. At CJL Engineering, we take the stress out of compliance. Our team stays up-to-date with the latest regulations in Connecticut, New York, and New Jersey, ensuring that your plumbing designs meet all necessary standards. We handle the permitting process from start to finish, saving you time and potential headaches.
Plumbing Fixture and Equipment Layouts
Efficient and ergonomic plumbing layouts are crucial for any building's functionality. Our engineers create detailed fixture and equipment layouts that maximize space utilization and user comfort. We consider factors such as traffic flow, accessibility, and maintenance requirements to design layouts that are both practical and aesthetically pleasing.
Water Supply System Design
A well-designed water supply system is the backbone of any plumbing infrastructure. Our team at CJL Engineering excels in creating water supply systems that deliver consistent pressure, temperature, and quality throughout your building. Utilizing energy-efficient technologies, we ensure you have a reliable water supply.
Our Recent Plumbing System Engineering Projects



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At CJL Engineering Inc, we take pride in providing exceptional plumbing system engineering services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of CJL Engineering Inc and let others know what you think.


