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Roof By Tom vs High Definition Solar
Contra Costa Roofing Contractors Comparison · Updated March 2026
You're comparing a newer roofing specialist with 2 years licensed against a 16-year veteran solar contractor who also does roofing work.
| Roof By Tom | High Definition Solar | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.1 |
| Years Licensed | 2 years | 16 years |
| License # | 1112980 | 949189 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Moraga, CA | Concord, CA |
| Website | roofbytom.com | highdefinitionsolar.com |
Key Differences
What Customers Say
Roof By Tom
Customers consistently praise Roof By Tom for responsive communication, punctual crews, efficient work completion, and thorough cleanup, with particular emphasis on quick scheduling and detailed explanations throughout roofing projects.
High Definition Solar
High Definition Solar receives strong feedback for professional installation teams, no-pressure sales approaches, and thorough explanations, with many customers noting long-term service relationships and responsive follow-up on solar installations.
Key Takeaway: Roof By Tom's feedback centers entirely on roofing project execution and communication, while High Definition Solar's reviews focus predominantly on solar installations with only occasional mentions of roofing work, reflecting their different primary business focuses.
Customer Reviews
Roof By Tom
Roof by Tom did an outstanding job replacing our entire roof. The crew arrived on time, worked efficiently, and kept the area clean throughout the project. The new shingles look amazing and the workma...
We have had several leaks and missing shingles. These guys came out quickly, assessed the damage, and got everything repaired within a day. No upselling, just honest work and fair pricing. It's been a...
Our old roof had seen better days, and we finally decided on a full replacement with 30-year architectural shingles. The crew was professional, cleaned up thoroughly, and the new roof looks amazing. T...
High Definition Solar
Super effort to install my job on the scheduled day. The crew arrived at exactly 8:oo AM as promised and were completely finished at 2:00 pm. Everything worked! The crew was very professional. I aam ...
Quick response, took time to explain the process and were able to process everything on time. It went smoothly. Jairo was super helpful and patient!
We had HD Solar do a big install for us in Richmond California. They did a great job, very professional, and we love saving huge amounts of money of electricity now! Plus, no more power outages due to...
Consider Roof By Tom if...
- ✓ You need a straightforward residential roofing project like shingle replacement, overlay, or gutter work where specialized roofing focus matters more than years in business
- ✓ Quick turnaround is a priority, as reviews frequently mention fast scheduling from call to completion, including time-sensitive leak situations
- ✓ You value responsive communication and detailed estimates throughout the project, with crews known for punctuality and thorough cleanup
- ✓ Your roof is newer or in good underlying condition without likely hidden complications that require extensive diagnostic experience
Consider High Definition Solar if...
- ✓ You're installing solar panels and need roofing work done simultaneously, making their dual capability directly relevant to your project
- ✓ You prioritize working with a veteran contractor with 16 years of licensing history, particularly if your roof may have hidden structural issues or your home is older
- ✓ You appreciate a no-pressure sales approach with thorough explanations and prefer established companies with documented long-term service relationships
- ✓ You want a contractor who has navigated thousands of permitting processes and complex projects over nearly two decades in business
Questions to Ask Before Hiring
- → Ask Roof By Tom for references from projects completed in their first year versus most recent projects, and how they handle callbacks when leaks reappear after completion
- → Ask High Definition Solar how many roofing-only projects they complete annually versus solar installations, and whether the same crew handles both or if roofing is subcontracted
- → Ask both contractors about their diagnostic process for identifying hidden damage or underlying structural issues before starting work
- → Ask both for details on warranty coverage and how they handle issues that emerge after project completion
The Bottom Line
For straightforward residential roofing projects on newer homes—shingle replacements, overlays, or gutter work—Roof By Tom offers specialized roofing focus, responsive communication, and quick turnaround, though you're working with a contractor still building their track record. If your roof is older, may have hidden complications, or you simply prefer the stability of a 16-year veteran contractor, High Definition Solar brings substantially more experience despite roofing being secondary to their solar business. If you're installing solar and need roofing work, High Definition Solar's dual capability makes them the logical choice. For roofing-only projects, choose based on your roof's complexity and your comfort level with a newer specialist versus an established generalist.
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Frequently Asked Questions
Yes, if you're hiring them for roofing-only work. While they clearly perform roof replacements and repairs, their core expertise and daily focus is solar installation. If your project involves solar integration, their dual capability is an advantage. For roofing-only projects, you're hiring a company where roofing isn't the primary business, which may affect crew specialization and the depth of roofing-specific problem-solving experience.
It depends on your project complexity. For straightforward shingle replacements on newer roofs, 2 years is adequate if crews are experienced and communication is strong, which reviews confirm. However, if your roof is older, has a history of problems, or may involve hidden damage like dry rot or structural issues, a newer contractor has less pattern recognition for diagnosing and addressing complications that aren't immediately visible during initial inspection.
This is worth addressing directly during your consultation. Ask specifically about their callback rate, how they diagnose leak sources, and what their process is if a leak persists after repair. A small number of unresolved leak reports isn't unusual for any roofer, but combined with limited years in business, it suggests you should confirm their diagnostic approach and warranty follow-through before signing. Request references from customers who experienced callbacks.
The primary reason would be their 16 years of licensing history, which represents significantly more experience navigating complicated situations, permitting processes, and long-term customer relationships. If your home is older, your roof condition is uncertain, or you value working with a veteran contractor who has seen thousands of projects, that experience gap outweighs their secondary focus on roofing. However, if your project is straightforward and roofing-specific, the specialist focus of Roof By Tom may serve you better.
Looking for the Best?
See our ranked list of top roofing contractors in Contra Costa.
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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 13, 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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