Remodeling your bathroom can add significant value to your home. Your bathroom remodel cost in Columbus, OH will depend on size, fixtures, materials, labor, and other factors.
Home Addition Cost in Columbus [2025 Data]
Normal Range: $17,855 - $55,774
A home addition costs an average of $36,815 in Columbus, Ohio. Depending on the location, size, type, and materials, most homeowners spend between $17,855 and $55,774.
How we get this data
Ursula Page / Adobe Stock Photography
Ursula Page / Adobe Stock Photography
Highlights
Building an addition to your Columbus home can add valuable square footage and increase your home’s value.
The cost of a home addition depends on the size and type of addition, materials used, labor costs, and more.
Hiring a qualified Columbus general contractor or homebuilder can help keep your project on schedule and within budget.
A permit for new residential construction or an addition permit in Columbus costs $1,000.
Looking to build an addition onto your Columbus home? The average home addition in Columbus, OH, costs an average of $36,815, with most home addition projects costing between $17,855 and $55,774. We break down some common factors affecting how much you’ll pay for a home addition in Columbus.
Home Addition Cost Factors
The cost of a home addition in Columbus, OH, varies based on factors like the size of the addition, how the extra space will be used, what materials you choose, and what kind of prep the site needs. Take a look at some of the things that contribute to the cost of your home addition.
Size
Home additions cost between $50 and $200 per square foot if you’re building out and between $200 and $400 per square foot if you’re building up. The cost to add a 10x10 room to a house costs an average of around $10,000 if you build out and about $30,000 if you build up.
Where in those ranges your total falls also depends on the complexity of the room and its finishes. For example, adding a bathroom will often cost more than a bedroom since it requires additional plumbing and electrical work.
Price Notice
Remember that if you add square footage to your home, the cost of your homeowners insurance will increase accordingly. Before you embark on this project, speak to your insurance company about expected costs.
| Addition Size (Sq. Ft.) | Bump-Out Build | Second Story Build |
|---|---|---|
| 60 | $3,450–$8,650 | $12,950–$21,600 |
| 80 | $4,600–$11,500 | $17,275–$28,800 |
| 100 | $5,750–$14,400 | $21,600–$36,000 |
| 150 | $8,625–$21,600 | $32,400–$54,000 |
| 200 | $11,500–$28,800 | $43,200–$72,000 |
| 300 | $17,250–$43,200 | $64,800–$108,000 |
| 400 | $23,000–$57,600 | $86,400–$144,000 |
Materials
As you can imagine, it takes many kinds of building materials to complete a custom home addition. Material prices vary widely, so your price could push closer to $55,774 if you choose luxury or high-end materials at each step of the way.
Framing Materials Cost:
| Framing Material | Average Cost per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Wood | $1–$5 | Cost-effective, easy to install | Fire risk, prone to pests and moisture problems |
| Steel | $2–$4 | Durable, fire-resistant | Complex installation, limits roof design |
Insulation Materials Cost:
| Insulation Material | Average Cost per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Blown-in | $0.50–$2.30 | Low-cost, fast installation | Prone to water damage, less durable |
| Fiberglass | $0.30–$1.50 | Fire-resistant, cost-effective | Lower R-value, easily damaged |
| Spray foam | $1.50–$4.90 | High R-value, resists pests and moisture | Higher cost, more flammable |
| Rockwool | $1.10–$3.10 | Durable, high R-value | Loose fibers can be a health risk, higher cost |
Roofing Materials Cost:
| Roofing Material | Average Cost per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Asphalt shingles | $1–$1.20 | Affordable, easy to install | Prone to granule loss, shorter lifespan |
| Metal | $5–$16 | Long lifespan, low-maintenance | Higher cost, difficult to repair |
| Slate | $10–$30 | Longest lifespan, high-end aesthetics | Very heavy, difficult to install/repair |
| Synthetic | $5–$12 | Durable, lightweight | Variable quality, may look engineered |
Flooring Materials Cost:
| Flooring Material | Average Cost per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Hardwood | $6–$12 | Long-lasting, many available options | Higher cost, prone to dents and scratches |
| Laminate | $1.30–$6 | Budget-friendly, easy to install | Difficult to repair, prone to water damage |
| Tile | $5–$40 | Variety of options, easy to clean | More expensive, complex installation |
| Carpet | $3.50–$11 | Retains warmth, soft to walk on | Difficult to keep clean absorbs odors |
Siding Materials Cost
| Siding Material | Average Cost per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Vinyl | $3–$12 | Budget-friendly, easy to install | Shorter lifespan, prone to impact damage |
| Fiber cement | $5–$14 | Extremely durable, long lifespan | Higher cost, difficult to repair |
| Wood | $2–$6 | Eco-friendly, wide range of styles | Prone to rot and pest damage, high-maintenance |
Type
The cost to add on a room varies based on the type and size of the room you’re building. Rooms like kitchens and bathrooms require plumbing work that a bedroom doesn’t, while an unfinished attic home addition or a screened-in porch may not require electrical or HVAC work that a bedroom needs. The cost per square foot for your home addition will vary based on utilities and the finishes required for how you plan on using the extra square footage.
| Addition Type | Average Cost Range |
|---|---|
| Attic | $28,800–$33,125 |
| Bathroom | $25,200–$28,975 |
| Bedroom | $45,000–$51,750 |
| Dining room | $21,600–$24,850 |
| Kitchen | $39,600–$45,550 |
| Laundry room | $5,750–$6,625 |
| Living room | $21,600–$24,850 |
| Mudroom | $8,650–$9,950 |
| Sunroom | $33,850–$38.900 |
| Detached garage | $19,000–$21,900 |
| In-law suite | $59,600–$68,550 |
| Second story | $126,000–$144,725 |
Site Prep
On average, site prep for a home addition costs between $1,500 and $5,000. You may not need any site prep in some cases, while other home addition projects may require grading land, demolishing concrete patios, removing trees, and other work that can add to your total.
Permits
An important part of your home addition project checklist is to ensure you’ve obtained all necessary permits for construction. You’ll need to apply for a permit from Columbus’s Department of Building and Zoning Services before beginning any work. A residential new construction or addition permit in Columbus carries a fee of $1,000, so be sure to confirm that you have the necessary permits and have paid the fee before you begin construction.
Home Addition Pro Costs
Homebuilder Pro Costs
You’ll pay about 10% to 20% of your total project costs for labor costs for a homebuilder in Columbus, OH. Total labor costs will account for 40% to 60% of your total budget, and paying a general contractor or homebuilder to oversee and manage your addition’s construction can help keep the whole project on track. A qualified contractor or builder can answer your home addition questions, help the project stay on schedule and budget, and ensure all work is code-compliant.
Additional Pros to Consider Hiring
Building an addition may also require other pros to install utilities, hook up fixtures, perform finish work, and more. Below are a few of the pros you may need to hire to complete your home addition project.
Interior painter cost: $2–$6 per square foot
Roofer cost: $4–$11 per square foot
Electrician cost: $50–$100 per hour
HVAC technician cost: $100–$250 per hour
Plumber cost: $45–$200 per hour
Carpenter cost: $75–$125 per hour
Structural engineer cost: $200–$1,500
Landscaper cost: $1,200–$6,200
Does a Home Addition Increase Property Value?
A home addition can add value to your Columbus home, offering a return on investment (ROI) of 20% to 50%. How much value an addition adds depends on the type of addition, build and materials quality, addition size, and more. In Columbus, adding or expanding your kitchen, adding a primary bedroom suite, or building up to add a second story can provide an ROI of 60% or more and make your home more competitive when it’s time to sell.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
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