Home Renovation Cost Calculator

The range for home renovation projects runs from about $800 (garage door replacement) to over $200,000 (room addition). Most homeowners are looking at something between $15,000 and $100,000. Where you land depends on three variables: project type, quality level, and where you live.

Quality level matters more than most buyers realize. A budget bathroom remodel runs $5,000–$15,000. Bump to mid-range and you're at $15,000–$40,000. Go upscale and costs hit $40,000–$75,000. That's a 5x spread for the same room. The difference isn't square footage — it's tile grade, fixture brands, and how much labor is required to install them.

Labor is the cost most people underestimate. For bathroom and kitchen work, labor runs 35–40% of the total budget. For painting, it's closer to 70%. You can swap lower-end materials and still spend nearly the same if labor rates in your area are high. That's why the state multipliers in this calculator can shift your total by 50% or more.

Garage door replacement has the best ROI of any project tracked here: 97%. You spend about $4,300 and add roughly $4,175 in resale value. You're essentially buying curb appeal at cost. Compare that to an upscale bathroom renovation, which returns around 56% — you spend $76,000 and get $43,000 back at sale. That's not a bad investment, but it's not a financial strategy either.

Basement finishing sits at 70% ROI and $15,000–$60,000 for mid-range work. It's one of the few projects where you're genuinely adding livable square footage — which buyers pay for directly. Deck additions return 65% but cost significantly less, which makes them one of the better absolute-dollar investments for the effort involved.

Hawaii costs 1.5x the national average. Mississippi is 0.72x. That's a 108% gap between the two extremes — meaning the same kitchen remodel that costs $57,500 in Mississippi would run $119,000 in Hawaii. Same materials. Same scope. Different labor market.

California and New York both sit at 1.35x. Massachusetts and Alaska are 1.30x. These states have high contractor wages, higher permit fees, and in California's case, stricter building codes that add time and cost. The South and Midwest are mostly 0.75x to 0.90x — rural Arkansas and Kentucky are among the cheapest markets in the country.

Permit fees are a smaller factor than most people expect. A building permit for a bathroom remodel typically runs $100–$500 depending on city. That's a rounding error on a $25,000 project. What actually moves the number is contractor hourly rates, which range from $50/hour in rural Mississippi to $120+/hour in San Francisco.

The state multipliers in this calculator come from regional construction cost data. They apply to the full project cost, including materials, because high-cost states also have higher materials delivery costs and markup from local suppliers. A 35% premium on your $50,000 kitchen remodel adds $17,500. Use the state selector before you start budgeting.