Diamond Ridge Contracting | General Contractors & Roofing in South Plainfield, NJ 07080

As a full-service contractor, we manage a wide range of additions tailored to South Plainfield homes. This includes new room additions, bathrooms, bedrooms, kitchens, garages, and even detached structures like guest houses or ADUs. We handle everything from initial design and permitting to construction, ensuring the addition blends seamlessly with your existing home's structure and style.

Yes, these are common signs of the local roofing issues we often address, specifically poor ventilation and moisture trapped in roof insulation. In South Plainfield's climate, inadequate airflow can lead to condensation, mold, and reduced insulation effectiveness. We assess your roof's ventilation system, repair any damage, and can replace insulation and roofing materials to resolve moisture problems and improve your home's energy efficiency.

We provide complete project management for renovations like kitchen or bathroom remodels, deck construction, and siding replacement. Our team coordinates all necessary trades—from plumbing and electrical to carpentry and finishing—ensuring a streamlined process with a single point of contact. This approach minimizes stress for homeowners and maintains consistent quality and timelines from start to finish.