General Contractor in Centreville, Fairfax & Chantilly, VA

Prototype Group LLC provides comprehensive construction and roofing solutions across Centreville, Fairfax, Chantilly, Alexandria, Arlington, and surrounding areas. Serving both residential and commercial clients, our licensed and insured team brings a structured, results-driven approach to every project. With free estimates available, we focus on delivering efficient timelines, reliable execution, and long-term value for every investment.

Our services include:

Home Additions

Our home addition services are designed to expand and enhance existing living spaces while maintaining structural integrity and design consistency. Whether you are adding a new room, extending a living area, or creating additional functional space, our team manages every phase—from planning and design to construction and final delivery. We focus on creating seamless integrations with your current structure, improving both usability and property value. Each project is tailored to your specific needs, ensuring a practical, visually cohesive result.

General Construction Services

We offer full-scale general construction services for residential and commercial projects. Our team handles everything from structural work to complete property improvements, delivering solutions that align with project goals, timelines, and budgets. From renovations to new construction, we apply a streamlined process that supports efficiency, organization, and consistent project progress. Our approach is centered on delivering durable, functional results that meet modern construction standards and client expectations.

Roofing Services

Our roofing services include installation, repair, and maintenance solutions designed to protect your property and improve long-term performance. We use high-quality materials to deliver roofing systems that withstand environmental conditions and enhance overall structural reliability. Whether addressing damage, replacing aging roofs, or installing new systems, our team provides dependable roofing solutions that support safety and property longevity.