ASPHALT SHINGLE
Mismatched Shingle Patch Replaced
Before: an asphalt shingle roof with a conspicuous mismatched patch in the field. After: a uniform new shingle surface across the full plane.
Roof Replacement
Full roof replacement from a licensed and liability insured roofing contractor. Replacing roofs since 1987, with complete tear-off, new underlayment and decking, a written estimate, financing options, and a workmanship warranty on every replacement.
1987
Replacing roofs since
14
Insurance carriers
GAF
Silver Pledge coverage
Roof Repair vs Replacement
A new roof is a major investment, so we only recommend replacement when it is the right call. Here is how we decide, and when a repair is the smarter, lower-cost choice.
Repair
The right call for isolated, fixable damage
- Localized leaks, missing shingles, or flashing failures
- Damage confined to one section of an otherwise sound roof
- A roof with meaningful service life left
- Lower cost, faster turnaround, less disruption
- See our Roof Repair service for targeted repairs
Replacement
The right call when the roof is at end of life
- Widespread deterioration or repeated, failing repairs
- Underlayment or decking compromised across the roof
- A sagging roofline or age beyond economical repair
- A storm total-loss covered by your homeowners insurance
- Full tear-off, new decking and underlayment, and a fresh roof
Signs You Need a Roof Replacement
When these show up across the whole roof, a repair is often just a patch. Here is when replacement is the sound long-term call.
Aging, worn-out roof
Widespread fading, curling, and granule loss across the entire surface means the roof has reached the end of its service life.
Widespread damage
Missing and broken shingles spread across multiple sections point to whole-roof failure rather than an isolated repair.
Multiple leaks
Several separate leaks and water stains across the attic and ceilings signal the roof system is no longer keeping water out.
Sagging roofline
A visibly sagging or uneven roofline indicates structural deterioration of the decking or framing that repairs cannot solve.
Failed repairs
When patch after patch keeps lifting and failing, replacement is the more economical long-term investment.
Choose Your Roofing Material
A replacement is a chance to choose the right material for your home. Explore each option, then we will help you decide during your estimate.
Related Roofing Services
Not sure a full replacement is what you need? Start with one of these.
Get a Replacement Estimate
Request a written, no-obligation roof replacement estimate.
Roof Repair
Targeted repairs when the roof still has service life left.
Roof Inspections
A licensed inspector assesses your roof's true condition.
Roof Certification
Documented roof condition for a real estate transaction.
Residential Roof Replacement
Full re-roofing for every housing type, from bungalows to modern tract homes. HOA coordination, daily cleanup, complete tear-off, and homeowner-scale warranties on every new roof.
Residential Roofing
Commercial Roof Replacement
TPO, membrane, and flat-roof replacement for commercial properties, with insurance claim support and minimal disruption to your operations.
Commercial RoofingOrder a Roof Inspection
Every replacement starts with an inspection and a written estimate. Both intake paths connect you with a licensed inspector within 1 to 2 business days.
Homeowners
Homeowner Inspection
Wondering whether your roof needs replacing? Request an inspection and a knowledgeable technician will assess the roof and provide a written replacement estimate.
Realtors
Realtor Inspection
Managing a transaction with an aging roof? Ask about our roof certification and replacement estimates for buyers and sellers.
How Much Does a Roof Replacement Cost?
Replacement cost is driven by the roof size (measured in squares, where a square is 100 square feet), whether a full tear-off is needed, the material you choose, the condition of the decking beneath, and the complexity of the roof (pitch, valleys, and penetrations).
Smaller or Simple Roofs
$4,900-$11,000
Fewer squares, a straightforward tear-off, and standard asphalt shingles with sound decking.
Average Roofs
$11,000-$36,000
A mid-size roof, full tear-off, an upgraded material, and some decking or complexity.
Large or Premium Roofs
$36,000-$60,000+
Large square footage, premium tile or membrane, extensive re-decking, or a complex roofline.
How We Replace Your Roof
A clear, no-pressure process from first inspection to final walkthrough. We respond promptly and schedule inspections within 1 to 2 business days.
1
Inspect and Estimate
A licensed inspector assesses the roof, measures the squares, and provides a written replacement estimate with material options. No advance deposit.
2
Tear-Off
We remove the old roof down to the decking, exposing and documenting any hidden damage before the new system goes on.
3
Deck and Underlayment
We repair or replace compromised decking and install fresh underlayment as the watertight foundation of the new roof.
4
Install the New Roof
Trained crews install your chosen material, flashing, and ventilation to manufacturer specification.
5
Cleanup
We clear debris, run a magnetic nail sweep, and leave the property clean.
6
Warranty and Walkthrough
A final walkthrough, warranty registration including GAF Silver Pledge coverage where it applies, and documentation handoff.
Why Property Owners Choose Roof Doctors
Decades of roofing expertise, backed by real warranties and honest assessments.
1987
Replacing roofs since
14
Insurance carriers
1-Year
Workmanship warranty
4.7
Google rating
Repair-first, no upsell
We recommend replacement only when the roof is truly at end of life, and a repair when that is the smarter call.
No advance deposit
You pay after the work is completed to your satisfaction. No deposit required to schedule.
Licensed and liability insured
A fully licensed roofing contractor with General Liability Insurance and GAF Certified Plus installation on every replacement.
Recent Roof Replacement Projects
Documented before-and-after results from recent replacements. Drag the slider to compare the before and after.
LOW-SLOPE
Low-Slope Roof Re-Covered
Before: an aged low-slope white roof surface, patched and cracked at the seams. After: a clean, uniform white low-slope surface.
Financing Available for Your New Roof
A roof replacement is a major investment, and you do not have to pay for it all at once. Financing is available on qualifying replacement projects through our lending partners. Ask your inspector about current options when you request your estimate.
Warranty Protection
Every Roof Doctors replacement is backed by layered warranty coverage, including manufacturer protection.
1 Year
Workmanship Warranty
Labor and materials on every replacement
Covers the quality of our installation and workmanship on your new roof.
Manufacturer (GAF Silver Pledge)
Applies to roof replacements
GAF Silver Pledge manufacturer coverage applies to full roof replacements, backing both the materials and the workmanship for the long term.
Available on qualifying full replacements.
2 Years
Roof Leak Certification
Optional purchasable certification
A purchasable 2-year certification. A $75 service fee applies per reported leak, and any covered repair is completed at no additional charge.
Optional add-on.
Storm Response and Total-Loss Claims
Storm Total-Loss? We Handle Your Insurance Claim
When a storm causes total roof loss, your homeowners insurance may cover a full replacement. Roof Doctors documents the damage, works directly with your adjuster, and processes claims within the Xactimate and Symbility estimating platforms, with 14 major insurance carriers.
Areas We Serve
Roof Doctors serves communities across California. Find your area or view the full directory.
What Our Customers Say
★★★★★
4.7 out of 5 across Roof Doctors' Google Business Profiles
★★★★★
“Prompt, very informative, and honest. Bill inspected my roof. No leaks. End of story. They had certified my roof a year prior. I am very satisfied with the level of service.”
EG
Eddie Gomez
★★★★★
“Showed up quickly during a storm, figured out problem, provided a solution.”
AL
April L.
★★★★★
“Troy was informative and professional. Would recommend to other home owners.”
MG
Ms. Gibson
Roof Replacement: Frequently Asked Questions
How much does it cost to replace a roof?
It depends on the roof size (in squares), whether a full tear-off is needed, the material you choose, the condition of the decking, and the roof's complexity. Every replacement is priced from an on-site inspection and a written estimate, with no advance deposit. Request an estimate for a figure specific to your roof.
How much does it cost to replace a roof on a larger home?
Cost scales with square footage. A larger home has more roofing squares, so material and labor rise accordingly, and a premium material or a complex roofline adds to that. We measure your roof precisely during the inspection and put the number in writing.
What is the cheapest way to replace a roof?
Standard architectural asphalt shingles are typically the most cost-effective material, and keeping the existing decking (when it is sound) avoids added cost. We will always show you the honest lowest-cost option that still gives you a durable roof, and financing is available to spread the cost.
Should I repair or replace my roof?
If the damage is localized and the roof has service life left, a repair is usually the right call. Widespread deterioration, repeated failing repairs, a sagging roofline, or a storm total-loss point to replacement. We recommend the repair-first path when it is appropriate.
Do you offer financing for a roof replacement?
Yes. Financing is available on qualifying replacement projects through our lending partners. Ask your inspector about current options when you request your estimate.
Do you handle insurance claims for storm damage?
Yes. When a storm causes total roof loss, we document the damage, work directly with your adjuster, and process claims within the Xactimate and Symbility platforms, with 14 major carriers.
Do you require a deposit?
No. Roof Doctors does not require an advance deposit. You pay after the work is completed to your satisfaction.
What warranty comes with a roof replacement?
Every replacement includes a 1-year workmanship warranty, and GAF Silver Pledge manufacturer coverage applies to qualifying full replacements. An optional 2-year roof leak certification is also available.
Get Your Roof Replacement Estimate
A licensed inspector will assess your roof, measure it precisely, and provide a written replacement estimate. No obligation, no advance deposit, and financing is available.
Licensed and Liability InsuredNo DepositWritten EstimateFinancing Available