
Room Additions in Oklahoma City
Custom room additions built by one contractor. Bedrooms, offices, sunrooms, and more.
MASB Construction & Remodeling LLC builds custom room additions across Oklahoma City (OKC), Edmond, Moore, Norman, and surrounding areas. Every project is led personally by Marco Barrón, owner and general contractor with over 27 years of experience.
We handle everything — design, framing, electrical, plumbing, HVAC, and finishing work. One contractor. One point of contact. No subcontractor chaos.
Whether you need more living space, a dedicated home office, or a guest suite, we help you expand your home without the hassle.
Types of Room Additions We Build
Every addition is different, but here's what MASB Construction & Remodeling LLC can build:
If your project requires permits, engineering, or inspections, we handle all of it.
How Long Does a Room Addition Take?
Interior Additions
3–6 Weeks
Interior additions and conversions
Larger Additions
6–12 Weeks
Larger room additions and exterior builds
Timelines depend on scope, permitting, and complexity. We provide a realistic schedule before work begins — and we stick to it.
Why Oklahoma City Homeowners Choose MASB
Marco Barrón is on your job personally. Not a project manager. Not a rotating crew. The owner.
Room Addition Service Areas
We serve homeowners throughout the Oklahoma City metro area, including:
Primary Service Areas
Extended Service Areas
If you're within 30 miles of Oklahoma City, we can help.
Ready to Add Space to Your Home?
Schedule a free in-home consultation. We'll walk through your space, discuss your goals, and give you a detailed estimate — no obligation.
Or call Marco directly: (405) 361-4293
Also considering a kitchen or bathroom remodel? See our kitchen remodeling services

