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AGS ROOFING INC vs Napa Valley Roofing & Construction LLC
Napa Roofing Contractors Comparison · Updated March 2026
Napa Valley Roofing brings 26 years of licensed experience versus AGS Roofing's 1 year, a significant difference in handling complications and diagnosing hidden damage.
| AGS ROOFING INC | Napa Valley Roofing & Construction LLC | |
|---|---|---|
| Rating | ★ 4.6 | ★ 4.9 |
| Years Licensed | 1 years | 26 years |
| License # | 1132570 | 773839 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | American Canyon, CA | Napa, CA |
| Website | www.agsroofinginc.com | www.napavalleyroofing.com |
Key Differences
What Customers Say
AGS ROOFING INC
Customers consistently describe fast project timelines and friendly professionalism, with installations completed within days of evaluation.
Napa Valley Roofing & Construction LLC
Customers emphasize troubleshooting skills for difficult leaks, clear communication during planning, and thorough cleanup, with several noting repeat use over many years.
Key Takeaway: Napa Valley's reviews center on problem-solving and long-term customer relationships, while AGS Roofing's feedback focuses on speed and installation quality for straightforward replacement projects.
Customer Reviews
AGS ROOFING INC
Do great work and clean the job very well
My roof was very old and in need of replacement. These folks showed up for an evaluation and in less than two weeks I had a new roof. The work itself was done in a matter of days, which was amazing ...
Exelente trabajo de principio a fin ,fueron muy profesionales.
Napa Valley Roofing & Construction LLC
Called to get permit advice about an upcoming roofing job I'm planning. Mary answered and was so helpful and knowledgeable about my situation. Even though they weren't installing my roof she still was...
It was a pleasure working with Napa Valley Roofing and we're very happy with our new roof. From the early planning and coordination with Bruce and Mary, to the actual work done on-site, everything we...
Bruce and his team did a fantastic job on my mother's roof a few months back. Cleaned up all nails and shingles without leaving a trace that they were ever there. A few people stood out my mom said, C...
Consider AGS ROOFING INC if...
- ✓ Your roof is relatively new or straightforward, without signs of underlying water damage or structural concerns that require veteran diagnostic skills.
- ✓ You value a quick timeline from evaluation to installation, with work completed within days rather than weeks.
- ✓ You're comfortable working with a newer contractor and can verify their work through frequent communication and milestone check-ins.
- ✓ You want to support a growing local business and your project doesn't involve complex troubleshooting or permit navigation.
Consider Napa Valley Roofing & Construction LLC if...
- ✓ Your roof is older and may have hidden damage, rot, or deck issues that won't be visible until tear-off begins.
- ✓ You're dealing with an active leak that's been difficult to locate or requires short-notice emergency repair work.
- ✓ You value a long track record and want a contractor who has navigated hundreds of roof projects, permit processes, and unexpected complications.
- ✓ You prefer working with a company that has demonstrated repeat customer relationships over decades, suggesting consistent service quality and reliability.
Questions to Ask Before Hiring
- → Ask AGS Roofing how they handle unexpected discoveries during tear-off, such as rotted decking or structural issues, and whether their pricing accounts for common contingencies.
- → Ask AGS Roofing about their estimate delivery timeline and how they manage scheduling follow-up, given the feedback about estimate delays.
- → Ask Napa Valley Roofing about their current project queue and typical timeline from estimate to installation start, to understand if their experience comes with longer wait times.
The Bottom Line
For most homeowners, Napa Valley Roofing & Construction LLC is the safer choice. Their 26 years of experience means they've navigated every common roofing complication, can diagnose hidden damage during tear-off, and have proven their reliability through repeat customers over decades. They're particularly suited for older roofs, leak issues, and projects where you want veteran judgment on-site. Choose AGS ROOFING INC if your roof is newer and straightforward, you prioritize a fast timeline over veteran diagnostic skills, and you're willing to stay closely involved to ensure estimate follow-up and scheduling clarity. Get quotes from both, but understand that Napa Valley's experience gap represents real protection when unexpected problems emerge mid-project.
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Frequently Asked Questions
Yes, especially if your roof is older. During tear-off, hidden damage like rotted decking, improper flashing, or water intrusion often appears. A contractor with 26 years of experience has seen these scenarios hundreds of times and can make real-time decisions without stopping work or inflating costs. A 1-year contractor is still building that diagnostic instinct.
Not necessarily, but understand the tradeoff. AGS Roofing carries proper insurance and bonding, and customer feedback shows quality installation work and professionalism. However, their administrative processes appear less refined, and they haven't faced the full range of roofing complications yet. If your project is straightforward and you stay actively involved, their speed and enthusiasm can work well.
The data doesn't indicate pricing differences, but you should get quotes from both. Veteran contractors sometimes charge more for expertise, but they may also complete work more efficiently and avoid costly change orders from poor planning. One review mentions Napa Valley's pricing was satisfactory even after a rougher service experience, suggesting they don't necessarily price at a premium.
Napa Valley Roofing has a clear track record for leak troubleshooting, short-notice repairs, and finding hard-to-locate sources. Multiple reviews specifically mention quick response to leak emergencies and clear explanations of what was found. AGS Roofing's feedback focuses on planned replacement work, with no specific mentions of emergency leak service.
Looking for the Best?
See our ranked list of top roofing contractors in Napa.
Other Napa Roofing Contractors Comparisons
Stubbs Roofing
★ 5.0
Napa Valley Roofing & Construction LLC
★ 4.9
Performance Roofing
★ 4.7
Napa Valley Roofing & Construction LLC
★ 4.9
Abel's Roofing
★ 5.0
Napa Valley Roofing & Construction LLC
★ 4.9
Padilla's Roofing
★ 5.0
Napa Valley Roofing & Construction LLC
★ 4.9
How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 12, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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