Room Additions in San Tan Valley, AZ

Looking for trusted room additions in San Tan Valley? Gilbert General Contractor is a licensed and insured Arizona general contractor serving San Tan Valley, AZ homeowners with 15+ years of local experience. San Tan Valley's newer homes and generous lots are perfect for additions, casitas, and garage conversions.

Need more space without moving? A room addition adds square footage and value while keeping you in the neighborhood you love. We build additions that blend seamlessly with your existing structure, rooflines, and finishes.

From a new primary suite to a home office or growing-family bedroom, we handle structural work, permits, and finish carpentry as one coordinated project.

We proudly serve San Tan Valley neighborhoods including Johnson Ranch, Pecan Creek, Circle Cross Ranch, Copper Basin, Skyline Ranch. From your first call to the final walkthrough, you get transparent fixed pricing, full permit handling, and workmanship we stand behind.