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Home Addition in Marietta, GA

When you've outgrown your floor plan but love your neighborhood, a well-designed addition is the answer. SpanglerBuilt handles architectural coordination, permitting, foundation, framing, roofing, and full interior finish — so your new space feels like it was always there.

Typical range:$80,000 – $250,000+
Get a Free Estimate in Marietta(404) 492-7650

Home Addition Services in Marietta

SpanglerBuilt has completed home addition projects throughout Marietta and Cobb County, bringing the same design/build process we've refined over 35 years of residential construction. Our Marietta home addition projects range from $80,000 – $250,000+ depending on scope and material selections.

SpanglerBuilt manages every trade on your home addition, from the structural engineer's calculations to the final coat of paint. Our client portal tracks every milestone and every spend line — so you always know where your project stands. We specialize in additions that match the existing home in style, materials, and finish.

As a licensed Georgia general contractor (GCLT-CO000567), SpanglerBuilt handles all permits required for your Marietta home addition project, including coordination with Cobb County building departments. Every project runs through our client portal — real-time visibility into schedule, budget, and daily progress.

Get a quote for your Marietta home addition project →
What's included
Architectural and structural coordination
Full permit management and inspections
Foundation, framing, roofing, and exterior
Windows, doors, and siding to match existing
Complete interior finish — flooring through fixtures
HVAC, electrical, and plumbing extensions
Quick Facts
Area: Marietta, Cobb County, GA
Timeline: 12–24 weeks depending on size and scope
License: GCLT-CO000567
Service overview: Home Addition
City overview: Marietta area →

Frequently Asked Questions — Home Addition in Marietta

How much does a home addition cost in Marietta?
A home addition in Marietta typically ranges $80,000 – $250,000+. SpanglerBuilt uses a tier system — Standard additions ($80K–$130K) through luxury two-story additions ($250K+) — so you can choose the right fit for your budget. Every project starts with a free, detailed estimate.
How long does a home addition take in Marietta?
Most home addition projects in Marietta take 12–24 weeks depending on size and scope. Your project manager will provide a detailed schedule before work begins, with milestones tracked in the SpanglerBuilt client portal.
What permits are required for a home addition in Marietta, GA?
Home additions require a full building permit with structural drawings. SpanglerBuilt coordinates with the design team and manages all permits. Cobb County permit requirements are incorporated into every project estimate at no hidden cost.
Is SpanglerBuilt licensed to work in Marietta, GA?
Yes. SpanglerBuilt Inc. holds Georgia General Contractor License GCLT-CO000567 and is licensed and insured throughout Cobb County, including Marietta.
How do I get a home addition estimate in Marietta?
Contact SpanglerBuilt at (404) 492-7650 or submit a request at spanglerbuilt.com/contact. Michael personally reviews every inquiry and responds within one business day.

Ready to start your Marietta home addition project?

Get a free consultation and detailed estimate. Michael personally reviews every inquiry and responds within one business day.

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Licensed in Cobb County & all Metro Atlanta  ·  GCLT-CO000567
Memberships
GAHBA
GAHBA Member
Greater Atlanta HBA
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