J.N. Davis Roofing – The Premier Altadena Roofing Contractor You Can Trust
When it comes to protecting homes in one of Southern California’s most beautiful foothill communities, no name carries more history, craftsmanship, and trust than J.N. Davis Roofing. As the leading Altadena Roofing Contractor, our company has spent nearly a century helping homeowners safeguard their properties from sun, wind, fire, storms, and the unique climate pressures that Altadena residents face year after year.
Located at the base of the San Gabriel Mountains, Altadena is known for its charming historic homes, tree-lined streets, and stunning hillside architecture. But the area also faces high fire-risk zones, Santa Ana wind events, seasonal storm patterns, and long stretches of intense UV exposure. That’s why partnering with a reliable, experienced, and innovative Altadena Roofing Company is essential—and why J.N. Davis Roofing continues to stand as the top choice for homeowners who demand lasting quality and guaranteed workmanship.
For over 95 years, J.N. Davis Roofing has been a trusted name in the Altadena, Los Angeles, San Gabriel Valley and San Fernando Valley areas. Our commitment to quality craftsmanship and exceptional customer service has made us a leader in the industry.
We offer a comprehensive range of roofing services, including:
Expert Roof Inspections: Our skilled technicians will thoroughly inspect your roof to identify any potential issues.
Reliable Roof Repairs: We specialize in repairing and maintaining all types of roofs, from minor leaks to major damage.
Comprehensive Roof Replacements: Our team can replace your entire roof with high-quality materials.
State-of-the-Art Skylight Installation: We offer custom skylight installations to brighten up your home.
Expert Gutter Installation and Cleaning: Protect your home from water damage with our gutter services.
Our up-to-10-year workmanship guarantee is a testament to our commitment to quality. We believe in honest, transparent communication and will always recommend the best solution for your specific needs.
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Contractor’s License # 572125-C39
Family Owned & Operated | Women-Owned | 100% Satisfaction Guaranteed
Why Altadena Homeowners Choose J.N. Davis Roofing
For more than 95 years, our family-owned business has built an unmatched reputation for excellence. There’s a reason so many residents searching for an Altadena Roofer consistently choose J.N. Davis:
✓ Nearly a Century of Local Expertise
Since 1929, we’ve installed, repaired, and maintained thousands of roofs throughout Altadena and surrounding communities. Whether it’s a Craftsman, Mid-Century Modern, ranch home, hillside estate, or newly built structure, our team understands exactly what local roofs require.
✓ Fire-Resistant Roofing Specialists
With Altadena’s wildfire history and proximity to brush zones, homeowners need modern, defensive roofing solutions. J.N. Davis Roofing is a regional expert in:
Class-A fire-rated roofing systems
Standing-seam metal roofing
Stone-coated steel roofs
Fire-resistant underlayments
Ember-blocking attic and vent protections
As the trusted Altadena Roofing Contractor, we help homeowners significantly reduce their fire risk while improving durability and curb appeal.
✓ Fully Licensed, Insured & Certified
As a top-tier Altadena Roofing Company, our installations meet or exceed all California building codes and safety standards. Our work is backed by long-term warranties and the stability of a business that has been here for almost a century—ensuring our customers enjoy reliable protection for decades to come.
✓ Roofing Built for Altadena Weather
From scorching summers to winter storms, Altadena demands roofing built to last. We specialize in systems built to resist:
Heat and UV degradation
Wind uplift
Heavy rainfall
Debris impact
Ember ignition
Our roofs don’t just look great—they perform when it matters most.
95+ Years of Experience | 4,500+ Happy Customers
Our Services
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![Residential Roofing Installation]()
Residential Roofing
Whether you want to match your old roof or want to try something new, we install every roof type and will sit-down with you face-to-face to walk you through all of your options.
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![Metal Roofing Options]()
Metal Roofing Options
Protect your home with a durable and stylish metal roof. We specialize in standing-seam metal roofs and stone-coated steel roofing, offering superior protection against all types of weather. Contact us for a free quote.
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![Roof Repairs, Inspections & Maintenance]()
Repairs, Inspections & Maintenance
We provide expert roof inspections, roof repairs, and ongoing roof maintenance to protect your home and extend its lifespan
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![JN Davis Roof Installation]()
Roof Installation
We install most roof types including composition shingles, metal, and flat! We are the best metal roof installers near you.
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![Commercial Roofing Installation]()
Commercial Roofing
Trust us to protect and improve your biggest investment.
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![Skylights & Solar]()
Skylights & Solar
We brighten your home and help you save on energy costs with professional solar panels and skylight installation and replacements.
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![Gutter Installation]()
Gutters
We provide professional gutter installation and cleaning services to protect your home from water damage.
Why Local Matters: Work With a True Altadena Roofer
Hiring a roofing company that understands Altadena’s specific conditions is critical. Our team knows:
Local permitting
Fire-zone requirements
Wind patterns
Historic home considerations
HOA and architectural guidelines
This expertise allows us to deliver smoother projects, stronger roofs, and better long-term outcomes.
Get a Free Estimate From the #1 Altadena Roofing Contractor
If you’re searching for the most trusted Altadena Roofing Company with a long record of excellence, J.N. Davis Roofing is ready to help. Our commitment to craftsmanship, safety, and longevity has made us the preferred choice for thousands of local homeowners.
Protect your home with quality that lasts.
Contact J.N. Davis Roofing today for a free inspection and estimate.
Your roof—and your home—deserve nothing less than the best.
An uncommonly valuable guarantee.
If your new roof starts leaking during the next rainfall, simply give us a call and we will come fix it. No hidden fees or uncomfortable conversations.
What makes this so uncommonly valuable is that our workmanship guarantee lasts up to 10 full years and if you decide to sell your house we will still honor our guarantee (it’s transferable).
Other roofers have complicated “fine print” guarantees that aren’t worth the paper they are written on because many of them won’t be around 10 years from now! For the last 95+ years we have consistently delivered exceptional quality and we proudly stand behind our workmanship.