Home Additions Marietta GA | Room Additions & Sunrooms | House of Remodeling

Running out of space in your Marietta home? Before you put it on the market, consider a home addition. Adding square footage is almost always cheaper than buying a new house — and it increases the value of the home you already love. House of Remodeling designs and builds custom home additions across Marietta and all of Cobb County.

Types of Home Additions We Build

• Room additions — master bedroom, home office, playroom, or in-law suite

• Sunrooms and enclosed patios

• Second-story additions

• Garage conversions into living space

• Kitchen and bathroom bump-outs

Home Addition Cost in Marietta

Home addition costs in Marietta typically range from $200 to $400 per square foot depending on finishes, plumbing needs, and complexity. A 400 sq ft master bedroom addition typically runs $80,000 – $160,000. A sunroom might range from $40,000 – $80,000. Every project is custom — we provide free, detailed written estimates.

We Handle Everything — Including Permits

Home additions require Cobb County permits, inspections, and coordination with multiple trades — architect, structural engineer, plumber, electrician, HVAC. We manage all of it. Our general contractor Leo has over a decade of hands-on experience navigating Cobb County permit processes.

Start Planning Your Marietta Home Addition

Call (770) 726-8820 for a free on-site consultation. BBB A+ rated, licensed and insured in the state of Georgia. No surprises, no hidden fees.