Explore our completed projects
Discover the quality and dedication behind every project at Sigma Contracting LLC. We pride ourselves on delivering excellence in plumbing, electrical, and HVAC services, transforming visions into reality.

Our diverse project portfolio
Our team has experience completing a wide variety of residential and commercial projects involving plumbing, electrical, and HVAC systems. From new construction and remodels to repairs, upgrades, and full system installations, we take pride in delivering dependable workmanship across every trade.
Past projects include complete plumbing rough-ins and finish work, panel upgrades and electrical installations, lighting and power solutions, HVAC change-outs, ductwork, ventilation systems, and energy-efficient heating and cooling upgrades. We’ve worked on homes, office buildings, retail spaces, restaurants, and large commercial facilities—handling projects of all sizes with professionalism and attention to detail.
By offering multiple trades under one roof, we help streamline projects, improve coordination, and save customers time and money. Our past work reflects our commitment to quality, safety, and getting every job done right the first time.

Overcoming complex challenges
One of the most challenging projects we handled involved a full commercial renovation where plumbing, electrical, and HVAC systems all had to be redesigned and installed within a tight deadline while the business prepared to open. The building had outdated infrastructure, limited space above ceilings, and multiple code upgrades required before inspections could be passed.
Our team coordinated all three trades to keep the project moving efficiently, solving conflicts between ductwork, drain lines, water lines, and electrical runs without delaying other phases of construction. Through careful planning, clear communication, and experienced workmanship, we completed the project on schedule and passed final inspections successfully.
Projects like this show our ability to solve complex problems, manage multiple systems at once, and deliver high-quality results under pressure.

Client satisfaction is our priority
One project that stands out was a complete home renovation where we handled the plumbing, electrical, and HVAC systems from start to finish. The homeowner had dealt with multiple delays and poor workmanship from previous contractors, so they were understandably frustrated before we stepped in.
We created a clear plan, kept them updated throughout the process, and delivered clean, professional work on schedule. By the end of the project, they told us it was the first time they felt confident and stress-free during the renovation process. Seeing all three systems come together smoothly gave them peace of mind that their home was finally done the right way.
Their reaction was unforgettable—they thanked our team personally, said the finished result exceeded their expectations, and told us they would recommend us to anyone needing reliable contractors. That kind of trust and satisfaction is exactly what we work for on every project.