Home addition construction in Cary, NC

Firm Foundations Homebuilders builds home additions for Cary, North Carolina homeowners who need more space.

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A newly completed home addition in Cary, North Carolina, showing a framed and finished room addition attached to an existing single-family home with matched roofline and exterior siding. The addition extends the rear of the house and includes new windows consistent with the home's original design.

Expert Home addition construction in Cary, NC

When your Cary home no longer fits your family, a well-planned home addition is often the most practical path forward. Firm Foundations Homebuilders handles the full scope of addition construction, from initial design and structural planning through framing, mechanical rough-ins, and finished interior work. Owner Erik brings a background in architecture and home inspection to every project, which means he reads a home's existing structure before a single wall is touched. That matters in Cary, where additions require a building permit, a site plan, and compliance with Town zoning setbacks and the NC State Building Code. We serve homeowners across Cary and throughout the Triangle, including Raleigh, Apex, Durham, Holly Springs, Morrisville, Fuquay-Varina, Wake Forest, Garner, Clayton, Knightdale, Wendell, Chapel Hill, and surrounding communities. Whether you need a primary suite, a home office, an in-law suite, or a larger living area, we build additions that connect cleanly to your existing home. Call us to talk through your project.

What's included

  • Added square footage designed to match your home's existing structure and roofline
  • Architecture and home inspection background applied to structural planning before construction begins
  • Full-scope construction management from site plan coordination through final interior finishes
  • New living space that supports multigenerational living, remote work, or long-term family needs
  • Local knowledge of Cary zoning setbacks, site plan requirements, and NC Building Code standards
Faith-Based Company
Quality Craftsmanship
Honest Communication
Personal Care
Licensed General Contractor
Licensed Home Inspector

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Home addition construction FAQ

Common questions about home addition construction in Cary, NC.

We build room additions, primary suite additions, home office additions, in-law suites, and expanded living areas for Cary homeowners. Each project is planned around your home's existing structure so the finished addition connects naturally to the rest of the house.

Yes, all home additions in Cary require a building permit and a site plan submitted to the Town of Cary. We handle the construction side of the project with full awareness of those local requirements.

We start by reviewing your home's existing structure before any design decisions are made. Erik's background as a licensed home inspector means he can identify how your home is built and what it takes to add on correctly.

Yes, we build second-story additions for homeowners in Apex, Morrisville, and across the Triangle. A second-story addition adds living space while keeping your yard footprint intact.

Matching your existing roofline, siding, and trim is a core part of how we plan every addition. We design the new space to look like it was always part of the home.

Yes, we serve homeowners throughout the Triangle, including Durham, Chapel Hill, Wake Forest, Garner, Clayton, Knightdale, Wendell, and communities across Raleigh. Contact us to confirm service availability for your area.

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Proudly Based in Cary, NC

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Hours

  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 5:00 PM
  • Wednesday 8:00 AM - 5:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 5:00 PM
  • Saturday 9:00 AM - 1:00 PM
  • Sunday Closed

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