Home Addition Experts

Expand Your Living Space

Whether you need more room for a growing family or want to create your dream space, Ergon Builders specializes in seamless home additions that blend perfectly with your existing home.

Types of Home Additions We Build

From second-story expansions to outdoor living spaces, we design and build additions that seamlessly integrate with your home's architecture.

Second-Story Additions

$450 - $700 per sq ft

Add a full second floor for bedrooms, bathrooms, and living space without expanding your footprint.

  • Full structural engineering
  • Master suite options
  • Maximize lot potential

Room Additions

$300 - $500 per sq ft

Extend outward with new rooms including bedrooms, bathrooms, family rooms, or home offices.

  • Seamless exterior match
  • Foundation work included
  • HVAC integration

Sunrooms & Porches

$400 - $600 per sq ft

Glass-enclosed living spaces with abundant natural light for year-round enjoyment and relaxation.

  • Three-season or four-season
  • Energy-efficient glass
  • Screen porch conversions

Garage Conversions

$200 - $400 per sq ft

Transform your existing garage into functional living space—studios, home gyms, or rental units.

  • Floor leveling & insulation
  • Window & door installation
  • Full electrical upgrades

Guest Houses & ADUs

$350 - $550 per sq ft

Accessory dwelling units for extended family, rental income, or home office spaces separate from the main house.

  • Full kitchen & bath
  • Separate utilities optional
  • Zoning compliance handled

Outdoor Living Spaces

$150 - $350 per sq ft

Custom decks, patios, outdoor kitchens, and covered entertaining areas that extend your living space outdoors.

  • Composite or natural wood
  • Built-in lighting & audio
  • Outdoor kitchen options

Our Home Addition Process

From initial concept to final walkthrough, we guide you through every step of expanding your home.

1

Planning & Design

We discuss your needs, assess your home's structure, create architectural plans, and provide detailed cost estimates.

2

Engineering & Permits

Structural engineering, building permits, zoning approvals, and HOA coordination—we handle all the paperwork.

3

Construction

Expert craftsmanship with quality materials. Regular updates, clean job sites, and respect for your living space.

4

Finishing & Integration

Seamless connection to existing systems, final finishes, inspections, and walkthrough to ensure your complete satisfaction.

Why Choose Ergon Builders

Home additions require expertise in both construction and seamless integration. Here's why homeowners trust us.

Seamless Integration

Your addition will look like it was always part of your home—matching rooflines, siding, and architectural details.

Structural Expertise

Licensed engineers ensure your addition is structurally sound and properly connected to your existing foundation.

Permit Management

We handle all building permits, zoning requirements, and inspections so you don't have to worry about the paperwork.

Quality Craftsmanship

Premium materials and meticulous attention to detail ensure your addition stands the test of time.

Ready to Expand Your Home?

Contact Ergon Builders today for a free consultation. We'll help you explore your options and create a plan that fits your vision and budget.

Get a Free Estimate

Free consultation • No obligation

By submitting this form, you agree to our privacy policy. Your data is secure and will never be shared with third parties.