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Star Waterproofing and Roofing vs Apollo Roofing Company
Contra Costa Roofing Contractors Comparison · Updated March 2026
Star Waterproofing brings 60% more licensure experience and specialized leak diagnosis expertise, while Apollo offers more structured project management for standard roofing.
| Star Waterproofing and Roofing | Apollo Roofing Company | |
|---|---|---|
| Rating | ★ 4.3 | ★ 5.0 |
| Years Licensed | 8 years | 5 years |
| License # | 1036279 | 1076767 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Walnut Creek, CA | Walnut Creek, CA |
| Website | www.starwaterproofingco.com | www.apolloroofingcompany.com |
Key Differences
What Customers Say
Star Waterproofing and Roofing
Customers consistently praise Star's ability to diagnose difficult leaks and provide detailed project scopes, with high owner involvement and professional crews, though some note occasional gaps in post-project follow-up.
Apollo Roofing Company
Apollo earns recognition for structured communication throughout the project lifecycle, on-time completion with daily cleanup, and a no-pressure approach to explaining options and handling unexpected conditions.
Key Takeaway: Star's reviews center on diagnostic expertise and problem-solving for complex waterproofing issues, while Apollo's emphasize operational reliability and communication systems for straightforward roofing projects.
Customer Reviews
Star Waterproofing and Roofing
Gilber, Linda and the crew are top notch professionals. They waterproofed an outside deck at our building in San Francisco and did an A+ job. They were on time and very responsive to my needs and the ...
I recently hired Star Waterproofing to waterproof my 3 outdoor decks in S.F., they were leaking everywhere . With the amount of rain we have been receiving these past few years , I needed a specialis...
I recently hired Star to replace the flat commercial roof for an apartment building in Oakland (6,500 sq ft). I had an excellent experience from start to finish, and I'm glad to leave a glowing recomm...
Apollo Roofing Company
Apollo roofing has superb service. Daniel was great to work with from beginning to end. I'm happy with that overall work and process. Their pricing was fair with others but I like the explanation of e...
I'd recommend anyone to get their roof done by Apollo. They are honorable people. It was a challenging time for us as we were told our insurance was going to be cancelled because we had a cedar shake ...
Sam and his team replaced the roof of our 3-unit building- including the addition 2 skylights in each unit-in just under a couple of weeks. We chose Apollo because of their initial price quotes and wa...
Consider Star Waterproofing and Roofing if...
- ✓ Your project involves ongoing leak issues that previous contractors haven't successfully diagnosed or resolved, especially around decks, balconies, or flat roof sections where water intrusion sources are difficult to pinpoint
- ✓ You're managing a multi-unit property or need coordination across both roofing and waterproofing scopes, potentially including exterior painting or broader building envelope repairs
- ✓ You value specialized expertise over process polish and can proactively manage follow-up communication yourself after project completion
- ✓ You need torch-down, tar and gravel, or other low-slope roofing systems that benefit from Star's waterproofing background and 8 years of hands-on experience
Consider Apollo Roofing Company if...
- ✓ Your project is a conventional shingle roof replacement without significant diagnostic complexity or waterproofing components, where execution quality and timeline matter most
- ✓ You prefer a structured, communicative process with clear explanations of options, warranties, and next steps at each phase rather than relying on owner availability
- ✓ You appreciate predictable scheduling, daily worksite cleanup, and on-time completion based on Apollo's consistent track record in these operational areas
- ✓ You want a no-pressure sales experience with detailed inspections up front and transparent handling of unexpected conditions like dry rot discovered during work
Questions to Ask Before Hiring
- → Ask Star about their current process for post-project follow-up and warranty service, given customer mentions of occasional missed follow-up communication
- → Ask Apollo for references on projects similar in complexity to yours, particularly if your scope involves waterproofing or leak diagnosis beyond standard reroofing
- → Ask both contractors how they handle unexpected conditions discovered during tear-off, including cost change procedures and timeline impacts
- → Ask about the specific crew that will work on your project and how long they've been with the company, especially relevant given Apollo's shorter 5-year licensure history
The Bottom Line
Choose Star Waterproofing if your project involves leak diagnosis, waterproofing components, flat or low-slope roofing, or multi-unit properties where their 8 years of specialized experience and diagnostic expertise justify accepting some follow-up communication responsibility on your end. Choose Apollo Roofing if you need a conventional residential roof replacement where structured project management, timeline predictability, and consistent communication matter more than specialized waterproofing capabilities. For straightforward reroofing, Apollo's process delivers reliability; for complex envelope problems, Star's extra experience and dual specialization are worth prioritizing. Both are properly insured and bonded, so the decision comes down to matching their operational strengths to your specific project complexity and communication preferences.
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Frequently Asked Questions
For a straightforward shingle replacement on a typical pitched roof, the difference is less critical since both contractors are experienced tier. However, if you're dealing with persistent leaks, flat or low-slope roofing, deck waterproofing, or multi-building projects, Star's additional 3 years provides more exposure to diagnosing hidden problems and handling specialty systems. That extra experience can mean the difference between fixing the symptom and solving the underlying cause.
Star Waterproofing is the clearer choice when diagnosis itself is part of the project scope. Their customer feedback consistently highlights leak-finding expertise and detailed evaluations that identify whether the issue is roofing, waterproofing, or both. Apollo focuses on roofing inspections and does troubleshoot leaks, but their reviews emphasize execution on projects where the scope is already defined rather than complex diagnostic work.
Apollo's reviews emphasize structured communication with project managers providing step-by-step updates, timeline clarity, and consistent office follow-up throughout the job. Star shows high owner involvement with responsive communication during active projects, but some customers note occasional gaps in follow-up after completion. If you want a predictable communication cadence, Apollo has the edge; if you value direct owner access and diagnostic conversations, Star delivers that with the tradeoff of needing to be more proactive on follow-up items.
Both contractors have experience addressing surprises like dry rot or hidden damage discovered during tear-off. Apollo's reviews specifically mention transparent communication when scope changes occur, walking customers through added costs and options. Star's diagnostic strength means they may catch potential issues during the estimate phase, but you should explicitly confirm their change order process and how they handle communication when unexpected conditions arise during work.
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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 10, 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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