Home Additions

Home Addition Contractor in Collin County, Texas

Need more room? Lone Star Boys Contracting builds high-quality home additions for families across Collin County. Whether you’re expanding your living room, adding a bedroom, or building a new garage or bonus space, we deliver seamless, structurally sound additions that blend perfectly with your existing home.

Why Choose Us for Your Home Addition?

  • Custom-Built Spaces: Every addition is designed around your home, lifestyle, and goals.
  • Seamless Integration: We match finishes, rooflines, and layouts for a flawless extension.
  • Permitted & Inspected: We handle all permits, codes, and inspections for a stress-free process.
  • Durable Construction: We use proven materials and skilled labor for long-term performance.
  • Transparent Communication: You’re never left guessing—we update you every step of the way.
whole Home Remodeling
Need more space? We build additions that blend perfectly with your home—inside and out.

Featured Projects

Our Home Addition Services Include:

  • Bedroom and guest suite additions
  • Living room and family room extensions
  • Home office or study additions
  • Garage and bonus room construction
  • Second-story and attic conversions
  • Foundation work, framing, roofing, and siding
  • HVAC, plumbing, and electrical integration
  • Finish matching (flooring, trim, paint, roofing)

Serving Families Across North Texas

We’ve built home additions in McKinney, Frisco, Plano, Allen, Prosper, and beyond.

Let’s Expand Your Space

Whether you are expanding your footprint for a growing family, building a dedicated home office, or finally creating the entertainment space you’ve always wanted, our team is here to bring your vision to life. We handle everything from the initial design and permitting to the final construction, ensuring your new space blends seamlessly with your existing home. Our experienced contractors use high-quality materials and precise craftsmanship to deliver a beautiful, functional layout that matches your lifestyle and adds lasting market value to your property.

Frequently Asked Questions About Home Additions

Yes, virtually all structural home additions in Collin County and the surrounding DFW areas require local building permits. You won’t have to worry about navigating city hall, though, we handle the entire permitting process for you. We draft and submit the necessary architectural plans, secure the required zoning and building permits, and schedule all city inspections to ensure your new space is completely up to code.

In most cases, yes! We do everything we can to minimize disruptions to your daily routine. We build temporary isolation walls to keep dust, debris, and noise contained to the construction zone. However, if we are doing a massive whole-house renovation or a major second-story addition that cuts off utilities or requires removing large sections of your existing roof, we may recommend finding alternative living arrangements for a specific phase of the project for your safety and comfort.

The timeline varies depending on the scale and complexity of the build (such as a bumped-out sunroom versus a full multi-room footprint expansion). Generally, a standard home addition takes anywhere from 8 to 16 weeks of active construction.

Absolutely. Adding livable, heated-and-cooled square footage is one of the most reliable ways to boost your home’s market value. According to regional real estate trends, additions like main suite extensions, extra bedrooms, or secondary living spaces offer a high return on investment (ROI). Beyond the financial equity, it prevents you from having to face the high costs, high interest rates, and stress of moving just to get the extra space your family needs.