What Factors Determine the Cost of a New Roof?

House with a roof that has a steep pitch

A Guide for Homeowners in Gahanna, Ohio and Surrounding Communities

When it’s time to replace your roof, one of the first questions homeowners in Gahanna, Ohio ask is: “How much is it going to cost?” While there’s no one-size-fits-all answer, understanding the key factors that influence roofing costs can help you plan ahead, avoid surprises, and make informed decisions that add long-term value to your home.

At Gahanna Roofing & Siding, we’ve served hundreds of families across Gahanna, New Albany, Westerville, and the greater Columbus area with dependable roofing solutions. In this in-depth article, we’ll break down exactly what affects the price of a new roof so you can feel confident every step of the way.

1. Roof Size (Square Footage)

The bigger the roof, the more material and labor required—simple as that. Roof size is measured in squares, with one square equaling 100 square feet. Most residential roofs in Gahanna, Ohio fall between 15 to 30 squares, but this can vary based on your home’s layout and architectural features.

💡 Tip for Gahanna Homeowners: Look at your property records or contact our team for a free roof measurement using aerial imaging technology to get an accurate square footage estimate.

2. Roof Pitch and Complexity

A steep or highly pitched roof requires more labor, safety equipment, and time. Additionally, if your roof has multiple peaks, valleys, dormers, or skylights, it will cost more to install due to the extra precision needed.

🏡 Local Insight: Many homes in Gahanna neighborhoods like Hunters Ridge and Rathburn Woods feature intricate roof designs. If your home has a more complex architectural style, this could increase the overall project cost.

3. Type of Roofing Material

Not all roofing materials are created equal. In Gahanna and surrounding areas, asphalt shingles are the most common and affordable option. However, some homeowners opt for metal, cedar shake, or synthetic roofing for added durability or style.

Here’s a quick look at common materials:

MaterialCost (Per Sq. Ft.)Lifespan
Asphalt Shingles$3–$515–30 years
Architectural Shingles$4.50–$725–50 years
Metal Roofing$7–$1240–70 years
Cedar Shake$10–$1530–50 years

🛠️ Gahanna Roofing Tip: Ask about energy-efficient options and impact-resistant shingles, which may qualify for insurance discounts or energy rebates in Ohio.

4. Tear-Off vs. Overlay

If your existing roof is in poor condition or has more than one layer, we’ll likely recommend a tear-off. This involves removing the old shingles before installing the new ones. While this adds cost, it ensures a more secure and long-lasting result.

🚫 Note: In Franklin County (which includes Gahanna), local building codes limit how many layers of shingles can be on a roof—usually no more than two.

5. Underlayment, Flashing & Ventilation

A roof is more than just shingles. The underlayment, drip edge, flashing, and ventilation system play a critical role in preventing leaks, ice dams, and heat build-up.

✅ At Gahanna Roofing & Siding, we use only high-quality synthetic underlayments and ensure proper ventilation—especially important for Ohio’s humid summers and snowy winters.

6. Labor and Installation Quality

The skill of your roofing crew makes a big difference. Hiring a licensed, insured, and locally trusted company like Gahanna Roofing & Siding ensures:

  • No shortcuts
  • High-quality craftsmanship
  • Warranties that hold weight
  • Local code compliance

👷‍♂️ Many of our installers live right here in Gahanna, and we’re proud to support our local workforce with training, safety, and pride in every job.

7. Permits and Inspections in Gahanna, Ohio

Roof replacements require permits, especially in Gahanna, Franklin County, and nearby jurisdictions. The cost varies slightly depending on your location, but most fall between $150 to $400.

📄 Don’t worry—we handle all permitting and schedule any required inspections so you don’t have to lift a finger.

8. Weather & Timing

In Gahanna, spring through fall is the ideal time for roofing, but Ohio’s unpredictable weather can delay installations. Planning your project during a mild stretch can help you avoid mid-job delays, especially during our famous spring storms or winter freezes.

9. Warranty Coverage

Warranties affect pricing too. Most reputable roofers offer manufacturer warranties and workmanship guarantees. At Gahanna Roofing & Siding, we proudly offer lifetime-limited warranties on many of our roofing systems, giving homeowners peace of mind for decades.

Final Thoughts: What Can Gahanna Homeowners Expect to Pay?

In general, homeowners in Gahanna, Ohio can expect to pay between $8,000 to $15,000 for a complete roof replacement, depending on the factors above.

🎯 For an exact quote, our team offers free, no-pressure estimates—often within 24 hours. We’ll walk your roof, answer your questions, and create a custom solution tailored to your home, your budget, and your goals.

Why Gahanna Roofing & Siding?

We’re not just another contractor—we’re your neighbors, and we care about the homes and families that make our community special. Whether you live near Creekside Park, Gahanna Lincoln High School, or just outside town in New Albany or Blacklick, we’re here to help protect what matters most.

📞 Ready to get started? Contact Gahanna Roofing & Siding today for a free consultation, or give us a call at (614) 526-1737. We look forward to serving you with honesty, integrity, and expert craftsmanship—right here in Gahanna, Ohio.