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Home Addition Cost in Columbus: What Homeowners Pay in 2025

Columbus home additions run $155–$310 per square foot for finished living space. Columbus's strong appreciation makes the ROI case compelling — here's what to expect on cost, permits, and the build process.

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Garage Conversion to Living Space: Cost, ROI, and What to Know Before You Start

Converting an attached garage to living space costs $15,000–$50,000 depending on scope. ROI is 65–80% — better than most additions. But there are real tradeoffs in cold climates and HOA neighborhoods.

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Home Addition Cost Estimator: Get Your Budget in 2 Minutes

Home additions cost $150–$310 per square foot for finished living space, with second-story additions running 25–40% more. Use our estimator to get a realistic budget range before you meet with a general contractor.

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Home Addition Permit Guide: What to Expect in KC, Chicago, St. Louis, and Other Midwest Cities

All home additions require permits for structural, electrical, plumbing, and HVAC work. Permit costs run 0.5–2% of project cost. Here's what gets inspected, how long approval takes, and what happens if you skip it.

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Bump-Out Addition vs. Full Addition: Which Makes Sense for Your Project?

Bump-outs cost $5,000–$30,000 and expand a room 2–15 feet without new foundation work. Full additions cost $30,000–$100,000+ and require foundation, framing, and roof extension. Here's how to know which your project actually needs.

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How to Hire a Contractor in Missouri: 7 Things to Check Before You Sign

Missouri has no state general contractor license requirement — which means anyone can call themselves a contractor. Here's the 7-step checklist to verify before you hand over a deposit.

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