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Top Roof Replacement & Installation in Gilroy, California Ranked
Replacing your roof in Gilroy is a significant investment that protects your home against the unique demands of the Bay Area climate. With hot, dry summers and considerations for fire safety, selecting the right roofing material and a qualified contractor is crucial for long-term performance and peace of mind. A typical residential roof replacement project in Gilroy can cost between $9,000 and $22,000 and may take from a few days to a couple of weeks to complete, depending on the scope and materials chosen. This guide will help you navigate the key considerations for your roofing project, from material selection to understanding local requirements.

Redwood Roofing
1840 41st Ave STE 205, Capitola, CA 95010
Redwood Roofing is a family-operated roofing company serving San Jose, CA, and the surrounding Santa Clara County area. Established in 2016 and locally based in Santa Cruz, they provide roof repair, replacement, and inspection services for homeowners. Their team handles issues such as storm damage, leaks, and aging shingles, using high-quality materials and certified techniques to ensure durable results. Redwood Roofing also offers professional roof certifications and supports insurance claims for storm damage, helping clients throughout the Bay Area. With over 10 years of experience, they focus on delivering thorough roof evaluations and effective repairs to protect homes.

Eastman Roofing & Waterproofing, Inc.
1418 Douglas St, San Jose, CA 95126
Eastman Roofing & Waterproofing, Inc. is a roofing contractor based in San Jose, CA, serving homeowners, homeowner associations, property managers, realtors, and commercial property owners. They specialize in roof installation, replacement, repair, leak repair, metal roofing including standing seam, roof inspection, and roof certification. With over 35 years of experience since 1979, Eastman Roofing focuses on precision craftsmanship and thorough inspections, performing quality control checks twice to ensure work meets manufacturer specifications. They emphasize honest assessments, recommending repairs when possible instead of full replacements, and offer warranties to support their work.

Roofs By Reveille, Inc
545 Meridian Ave Suite D, San Jose, CA 95126
Roofs By Reveille, Inc is a roofing contractor based in San Jose, CA, serving both residential and commercial clients. Established in 2016 by Pablo Alviar, who brings over 30 years of experience in the roofing industry, the company offers services including roof installation, replacement, and leak repair. They are a GAF Master Elite contractor, a certification held by only 2% of roofing contractors, and are certified with all major roofing suppliers. Roofs By Reveille is also a preferred contractor for Sun First Solar, Maverick Renewables, and California's Great America, demonstrating their capability in handling complex roofing projects involving solar panel removal and reinstallation.

Six Star Roofing
1720 Commercial Wy STE A, Santa Cruz, CA 95062
Six Star Roofing is a roofing contractor based in San Jose, CA, offering installation, replacement, repair, and inspection services. They specialize in roof leak repair, metal roofing including standing seam, and roof certification. The company emphasizes clear communication, safe work practices, and quality craftsmanship, providing daily progress updates and thorough site cleanup. Six Star Roofing supports customers of the former Santa Cruz Roofing and continues a customer-focused approach. They hold a valid California State Roofing Contractors License and carry comprehensive insurance coverage.

Moriarty's Roofing
6996 Soquel Ave, Santa Cruz, CA 95062
Moriarty's Roofing is a roofing contractor based in San Jose, CA, offering a range of services including roof installation, replacement, repair, and inspection. They specialize in metal roofing with standing seam options, skylight installation, gutter and downspout replacement, and waterproofing using PVC membranes. The company is experienced in handling complex projects such as tile roof retrofits for solar panel installations and provides roof certification and maintenance services. Moriarty's Roofing has a history of working with homeowners, real estate agents, and insurance claims, and they offer a ten-year craftsmanship warranty on their roofing systems.
Understanding Gilroy's Climate and Roofing Needs
Gilroy's Mediterranean climate presents specific challenges for roofing systems. The long, hot summers and potential for wildfire activity in the region make material choice a critical decision beyond just aesthetics 1 2. A roof here must be built to withstand intense sunlight, resist fire, and provide reliable protection for decades.
- Heat Resistance: Materials that reflect sunlight, such as light-colored tiles or metal, can significantly help keep your home cooler and reduce energy costs during Gilroy's warm summers 3 4.
- Fire Safety: California's building codes often emphasize fire resistance, especially in designated Fire Hazard Severity Zones. Opting for Class A fire-rated materials is a wise and sometimes required choice for enhanced safety 3 5.
- Installation Timing: The ideal weather for roof installation, particularly for materials like asphalt shingles that need to seal properly, is during moderate temperatures, typically between 40°F and 85°F 6 5. Planning your project for spring or fall can help avoid complications from extreme heat or winter rains.
Popular Roofing Materials for Gilroy Homes
The most common roofing options in Gilroy are selected for their durability, climate suitability, and value. Here's a breakdown of the top choices:
Asphalt Shingles As the most popular and cost-effective option, asphalt shingles offer a wide variety of styles and colors. Modern fiberglass-based shingles provide Class A fire resistance, making them a compliant and practical choice for many homes 1 3. They are relatively quick to install and provide reliable performance for 20-30 years.
Clay or Concrete Tiles Synonymous with California architecture, clay and concrete tiles are highly durable, fire-resistant, and excellent at blocking heat. Their long lifespan of 40 to 50 years or more makes them a premium investment 1 7 4. It's important to note that their substantial weight may require a structural assessment of your home to ensure the framing can support them.
Metal Roofing Gaining popularity for its longevity and efficiency, metal roofing can last 40 to 70 years. It is inherently fire-resistant and excels at reflecting solar radiant heat, which can lower cooling costs 1 8 7. Available in panels or shingle-style, metal offers a modern, durable solution.
Flat Roofing Systems For homes with low-slope or flat roof sections, materials like TPO (thermoplastic polyolefin) or modified bitumen are common. These membrane systems are cost-effective, provide excellent waterproofing, and are well-suited for the climate 1.
Roof Replacement Cost Breakdown in Gilroy
The total cost of a new roof installation varies widely based on your home's size, the roof's pitch and complexity, and the material you select. Labor constitutes a significant portion of the overall expense 9 10. Below is a general cost guide for an average-sized home (approximately 2,000 square feet of roof area):
| Material Type | Cost per Sq. Ft. (Installed) | Typical Total Cost Range |
|---|---|---|
| Asphalt Shingles | $4 - $12 | $9,000 - $18,000 |
| Metal Roofing | $6 - $35 | $20,000 - $38,000 |
| Clay/Concrete Tile | $11 - $25 | $30,000 - $60,000+ |
Cost estimates sourced from industry guides and contractor data 2 10 11 12.
These figures are estimates, and your final quote will depend on specific project details. It is highly recommended to obtain multiple detailed, written estimates from licensed local contractors to compare scope and pricing accurately 1.
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The Roof Replacement Timeline: What to Expect
While the physical installation of a new roof is often quick, the entire process from planning to completion involves several steps. For a standard asphalt shingle roof on a typical home, the crew is often on-site for just 1 to 3 days 13 14. More complex installations, such as tile or metal roofs, can take 3 to 10 days or longer 13 15.
The full project timeline can span several weeks due to these key phases:
- Planning & Permitting: A contractor will assess your roof, help you choose materials, and pull the required building permit from the City of Gilroy, which is mandatory for most reroofing projects 1 16 17.
- Material Delivery: Your chosen roofing materials are delivered to your property.
- Teardown & Installation: The old roofing material is removed, the deck is inspected for damage, and the new roof is installed.
- Final Inspection: Once work is complete, a final inspection is typically required to close the permit 17.
Factors like unexpected weather (rain or high winds), material availability, and the discovery of hidden structural damage during teardown can extend the timeline 1 13.
Navigating Local Requirements and Choosing a Contractor
Working with a professional who understands local codes is essential. The City of Gilroy has specific reroofing requirements, including permit stipulations for underlayment, flashing, and ventilation, which a reputable local contractor will navigate for you 16.
When selecting a roofing professional for your installation or replacement:
- Verify Licensing: Ensure they hold a valid California contractor's license.
- Check Insurance: Confirm they carry both liability and workers' compensation insurance.
- Review Local References: Ask for references from recent projects in the Gilroy area.
- Get Detailed Quotes: Compare written proposals that include a full breakdown of costs, materials, warranties, and the project timeline.
Frequently asked questions
Sources
Footnotes
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Expert Roofing Solutions in Gilroy, CA - https://lifetimeroofingrenovation.com/roofing-gilroy-ca/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8
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2025 Roof Replacement Costs in California - Modernize - https://modernize.com/roof/cost-calculator/california ↩ ↩2
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Resources for Design and Building Professionals - LA County Recovers - https://recovery.lacounty.gov/resilient-rebuilding/professionals/ ↩ ↩2 ↩3
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Types of Roofs for Bay Area Homes: Choosing the Best - https://moranroofing.com/types-of-roofs-for-bay-area-homes/ ↩ ↩2
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When is the Best Time of Year to Replace a Roof? - Erie Home - https://eriehome.com/blog/best-time-of-year-to-replace-a-roof/ ↩ ↩2
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Fall Roof Replacements: Why its the best - https://fivepointsroofing.com/roofing-blog/why-you-should-replace-your-roof-in-the-fall/ ↩
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5 Best Roof Types for California Homes - Lee's Air - https://leesair.com/5-best-roof-types-for-california-homes/ ↩ ↩2
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How Much Does a New Roof Cost in 2025? - https://cobexcg.com/how-much-does-a-new-roof-cost-in-2025/ ↩
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How Much Does A Roof Replacement Cost In California? - https://www.apolloroofingcompany.com/how-much-does-a-roof-replacement-cost-in-california/ ↩
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How Much Does It Cost to Replace a Roof in California? - https://www.cedur.com/roof-replacement-cost-california ↩ ↩2
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Roof Replacement Cost in 2026 - NerdWallet - https://www.nerdwallet.com/home-ownership/home-improvement/learn/roof-replacement-cost ↩
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What is the Price of Roof Replacement? - https://www.nvroofs.com/blog/p.130530000/what-is-the-price-of-roof-replacement/ ↩
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Average Roof Replacement Timeline (2025 Guide) - https://pripremiereroofing.com/average-roof-replacement-timeline/ ↩ ↩2 ↩3
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Average Roof Replacement Time: 7 Key Facts for 2025 Success - https://goliniroofing.com/average-roof-replacement-time/ ↩
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Ask A Roofer: How Long Does It Take To Install A New Roof - Rapid Roofing - https://rapidroofing.com/blog/ask-a-roofer-how-long-does-it-take-to-install-a-new-roof-your-comprehensive-timeline-explained/ ↩
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Re-Roof Requirements - City of Gilroy - https://cityofgilroy.org/DocumentCenter/View/8066/Reroof-Requirements-Handout-2018?bidId= ↩ ↩2
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How Long Does a Roof Replacement Take? Complete 2025 Timeline - https://amstillroofing.com/blog/how-long-does-a-roof-replacement-take-complete-2025-timeline/ ↩ ↩2