Quality and Efficiency in Plumbing and Mechanical Services
John Joseph Contracting, LLC is a woman-owned and operated DBE business that specializes in various aspects of the mechanical/plumbing industry. Since our founding in 2002, we have serviced the needs of clients in the DC Metropolitan and surrounding areas. Our skilled team of technicians brings more than 40 years of experience to our company. We are committed to providing the best quality of work in a timely manner, ensuring that our clients receive effective and efficient results.
Our in-house estimators utilize the latest technology, including Trimble's Autobid Mechanical estimating software, to ensure our pricing is always competitive and fair. This software is ideal for commercial mechanical, piping, and plumbing pricing, allowing us to bring the most competitive pricing to all of our clients. At John Joseph Contracting, we believe that quality should never be sacrificed for quantity. Our areas of expertise include installation, maintenance, and service for process piping, HVAC systems, domestic water, non-potable water, sewage ejectors, ductless mini splits, waste/vent piping, backflow devices, all plumbing fixtures, and all plumbing appliances.
Services Offered
We offer a wide range of services including installation, maintenance, and service for various aspects of the mechanical/plumbing industry. These services include process piping, HVAC systems, domestic water, non-potable water, sewage ejectors, ductless mini splits, waste/vent piping, backflow devices, all plumbing fixtures, and all plumbing appliances. Our team of skilled technicians is equipped to handle projects of all sizes and complexity, ensuring that our clients receive the best possible outcomes.
Client List
Our client list includes Federal and Local Government Agencies, such as MTA, WSSC, DC WATER, WMATA, MWAA, NIH, DDOT, USPS, Montgomery County, and Arlington County, among others. We have successfully completed projects for these clients, demonstrating our capability to deliver high-quality services in a timely manner.
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