Roof Replacement Cost Calculator
Get an Instant Roofing Estimate — No Appointment Needed
Find out what your roof replacement might cost — instantly.
Using cutting-edge satellite imagery and AI, Landmark Roofing & Siding delivers fast, personalized roof estimates based on real Seattle area pricing — no obligation, just answers.
✔️ Instant ✔️ No Obligation ✔️Secure ✔️AI-Powered
Step 1: Enter Your Address to See Your Roof Replacement Cost
Simply enter your address below to get started — it’s completely free, fast, and secure.
How It Works: From Address to Estimate in Just a Few Clicks
Our user-friendly AI calculator simplifies the process into four easy steps:
- Step 1: Enter Your Address
Our AI pulls up your roof via satellite in seconds — no in-person visit needed.
- Step 2: Confirm It’s Your Home
We’ll outline the roof we found. Just confirm, and we’ll get to work.
- Step 3: View Your Instant Estimate
See your personalized cost range using verified Puget Sound pricing.
- Step 4: Get Exact Quote
Want to know the exact cost to replace your roof? Schedule a free on-site estimate with a Landmark Roofing & Siding expert. Our team will check details that AI can’t see — such as hidden damage, roof rot, mold, ventilation issues, flashing conditions, or structural concerns — to provide a precise quote and discuss your best material and warranty options.
Roof Replacement Cost by Size
(Estimated Averages for Puget Sound Homes)
Wondering how much your new roof might cost? Use the table below as a general guide to roof replacement pricing by size. These averages are based on typical Puget Sound material and labor rates and reflect common roofing systems used by Landmark Roofing & Siding.
Roof Size (sq ft) | Average Roof Replacement Cost – Composition Roofing¹ | Average Roof Replacement Cost – Metal Roofing² |
1,000 sq ft | $8,000 – $12,000 | $14,000 – $20,000 |
1,500 sq ft | $12,000 – $18,000 | $21,000 – $30,000 |
2,000 sq ft | $16,000 – $24,000 | $28,000 – $40,000 |
2,500 sq ft | $20,000 – $30,000 | $35,000 – $50,000 |
¹ Composition roofing: Also known as asphalt shingles — affordable, durable, and popular across Redmond and the Eastside.
² Metal roofing: A premium, long-lasting option ideal for the Pacific Northwest’s wet climate.
Actual costs vary based on roof complexity, slope, number of layers, and hidden issues such as rot or structural damage. For a precise number, use our Roof Replacement Cost Calculator to get an instant estimate tailored to your home.
Flexible Financing Options for Your Roof Replacement
Turn Your Estimate Into an Affordable Monthly Payment
Whether you plan to pay upfront or finance your project, our Roof Replacement Cost Calculator shows both the cash price and estimated monthly payments so you can budget confidently.
At Landmark Roofing & Siding, we partner with trusted lenders to make your new roof investment simple and flexible. Choose from:
- 0% APR Promotional Plans — Short-term, no-interest options for qualifying buyers.
- Extended Terms up to 240 Months — Spread payments over time with low, fixed rates.
- Fast, Secure Approvals — No hidden fees, and checking your options won’t affect your credit.
Explore plans, compare payment options, and find what fits your budget best.
Why Choose Landmark Roofing & Siding?
Landmark Roofing stands out for its commitment to quality and customer satisfaction. Here’s what sets us apart:
- Local Expertise: With years of experience serving Washington, we understand the unique needs of homes in this area.
- High-Quality Materials: We work with trusted brands to ensure durability and performance.
- Transparent Pricing: No hidden fees or surprises—just honest estimates you can rely on.
- Exceptional Service: From consultation to cleanup, we prioritize your satisfaction at every step.
Why Homeowners Across Greater Seattle Use Our Roof Replacement Cost Calculator
Get the answers you need—faster, easier, and smarter.
Accurate AI Roof Measurements: Our tool maps your home from satellite and calculates total area, pitch, complexity, ridges, and valleys.
Instant Results: Know your estimated roof cost in under a minute.
Based on Real Local Pricing: Estimates reflect actual contractor rates across Redmond, Bellevue, Sammamish, and the greater Puget Sound.
No Scheduling, No Sales Calls (Unless You Want One): You’re in control. We’ll only reach out if you request a consultation.
Used by Property Managers and Contractors, Too: Perfect for multi-property planning or bid prep.
What Affects Roof Replacement Costs in Washington?
Washington’s climate and local regulations influence roof replacement costs. Below are the key factors that impact pricing:
Roof Design and Complexity
Roof designs with dormers, skylights, or chimneys require extra labor and materials, increasing overall costs. These features often involve custom work to ensure proper installation and weatherproofing.
Roofing Materials
Your material choice significantly affects cost. Asphalt shingles are economical, while metal roofing offers longevity and energy efficiency at a higher price point. Cedar shakes provide a natural aesthetic but require more maintenance, especially in damp climates.
Size of Your Roof
The larger the roof, the more materials and labor required. Accurate square footage measurements are crucial to avoid underestimating costs.
Removal of Old Roofing
Tearing off old roofing materials adds labor and disposal fees to your total. Some homes may require additional prep work if the existing structure has damage or decay.
Underlayment and Repairs
Replacing underlayment is essential for a durable roof. Hidden issues, such as rot or structural weaknesses, may also need to be addressed during the project.
Weather Conditions
Washington’s rainy climate can influence installation schedules and material choices. Spring and fall are typically the best times for roof replacements, as dry weather ensures smooth progress.
FAQs About Roof Replacement in Washington
Our AI measurements use high-resolution satellite and aerial imagery to analyze your roof’s size, pitch, and complexity. In most cases, estimates are accurate within 5–10% of your final quote, depending on materials and installation details.
However, the AI tool can’t detect hidden issues that impact real-world costs — such as structural damage, wood rot, mold or moisture problems, inadequate ventilation, or multiple roof layers. If these conditions are discovered during an on-site inspection, your total project cost may vary by 10–25% or more, depending on the extent of repairs needed.
That’s why we recommend scheduling an on-site visit with a Landmark Roofing & Siding expert to confirm your exact quote and ensure your roof is properly evaluated.
We provide free on-site roof replacement estimates and exterior services throughout the Greater Seattle and Puget Sound region. Our team regularly serves homeowners and businesses in Seattle, Redmond, Bellevue, Kirkland, Sammamish, Issaquah, Bothell, Renton, Woodinville, and surrounding communities.
If your home is located within the Eastside or greater Seattle metro area, our certified Landmark Roofing & Siding estimators can visit your property to provide an exact quote following your online estimate.
Our Roof Replacement Cost Calculator provides instant estimates for a wide range of roofing materials commonly used across the Puget Sound region. You can compare options side by side to see how different materials affect your project’s total cost and lifespan.
We currently provide estimates for:
- Asphalt shingles – Affordable, durable, and available in a variety of architectural styles and colors.
- Metal roofing – Long-lasting, energy-efficient, and ideal for the Pacific Northwest climate.
- Composite roofing – Premium synthetic materials that replicate slate, shake, or tile for a high-end look with lower maintenance.
- Cedar shake or wood roofing – Classic Northwest style with natural beauty and warmth.
- Flat and low-slope systems – Options like single-ply (TPO or PVC) membranes for modern or commercial applications.
For a closer look at each system, visit our material detail pages:
👉 Composition Roofing | Metal Roofing | DaVinci Roofscapes | Cedar Shake Roofing
Yes — our Roof Replacement Cost Calculator can generate instant estimates for many multi-family and light commercial properties, including duplexes, fourplexes, townhome complexes, small apartment buildings, and retail or office structures.
Because these buildings often have larger or more complex roof layouts, the calculator provides a helpful starting estimate using satellite-based measurements and average Puget Sound pricing. However, for highly detailed or irregular structures, a Landmark Roofing & Siding specialist may follow up to verify measurements and roof access points before confirming a final quote.
If you manage an HOA, condominium, or commercial property and need an exact proposal, we recommend scheduling an on-site visit with our commercial team for a detailed inspection and accurate pricing.
👉 Learn more about our Commercial or Multi-Family Roofing Services
Most online tools give ballpark figures based on square footage. Our tool uses AI and aerial images of your actual home, calculating real roof complexity and combining it with live Puget Sound pricing data—so the estimate is far more tailored and reliable.
Once you receive your instant roofing estimate, you can review your estimated cost range and material options at your own pace. Most homeowners use this as a starting point for budgeting and project planning, since it helps them understand what a roof replacement might cost before scheduling an appointment.
Our team will reach out directly to discuss your results and next steps. If you’re not ready to take action, just let us know — we’ll update our records and check back when the timing is right.
If you’re ready for the next step, we’ll schedule one of our roofing consultants to visit your property for an in-person assessment. During that visit, we’ll inspect your roof’s condition, verify measurements, and check for hidden issues such as rot, moisture damage, or structural concerns. You’ll then receive your exact roof replacement estimate within 24 hours of the assessment.
Signs Your Roof Needs Replacement vs. Repairs
It’s not always clear whether your roof needs a full replacement or if repairs will suffice. Understanding the signs can help you make the right decision for your home and budget.
Repairs
- Localized Damage: Issues like a few missing shingles, minor leaks, or small areas of damage can often be fixed with repairs.
- Relatively New Roof: If your roof is less than 15 years old, targeted repairs may extend its lifespan without the need for a full replacement.
Replacements
- Widespread Damage: Multiple leaks, extensive shingle damage, or large areas of rot indicate that repairs may not be enough.
- Age of Roof: Most roofs have a lifespan of 20-30 years. If your roof is nearing the end of its life, replacement is a more cost-effective long-term solution.
- Structural Issues: Sagging areas, compromised decking, or other structural problems require a complete replacement to ensure safety and durability.
Next Steps
If you’re unsure whether your roof needs repairs or a full replacement, our team can help. Schedule a quick inspection to:
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Evaluate your roof’s age and condition.
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Identify hidden issues like rot, mold, or ventilation problems.
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Receive a clear recommendation and detailed estimate within 24 hours.
Get Started Today!
Take the first step toward a durable, high-quality roof with Landmark Roofing. Use our Roof Replacement Cost Calculator or call 1-855-413-3024 to schedule your free consultation. Our team is ready to guide you every step of the way.
