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Calisco Roofing vs Acker Roofing
Contra Costa Roofing Contractors Comparison · Updated March 2026
Acker Roofing brings 12 years of licensed experience versus Calisco's 3 years, a meaningful difference for diagnosing complex roofing issues and handling unexpected complications.
| Calisco Roofing | Acker Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.9 |
| Years Licensed | 3 years | 12 years |
| License # | 1105093 | 993338 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brentwood, CA | Concord, CA |
| Website | caliscoroofing.com | ackerroofing.com |
Key Differences
What Customers Say
Calisco Roofing
Customers consistently highlight Calisco's very hands-on owner involvement, with personal roof inspections, direct explanations, and close communication from estimate through final cleanup.
Acker Roofing
Customers emphasize Acker's professionalism in managing complex coordination tasks like permits, insurance documentation, and solar panel logistics alongside quality workmanship.
Key Takeaway: Calisco shows higher owner presence throughout projects while Acker demonstrates stronger systems for handling multi-step projects requiring external coordination and documentation.
Customer Reviews
Calisco Roofing
Had a leak on our roof, contacted Jose and he gave us a very fair price to fix it, he was very patient and thorough, scheduled the repair in a very timely matter, sent us photos of all his work. Overa...
Super happy with Jose and his team. Professional, dependable, and delivered as promised.
I had a leak causing a water puddle in my family room. Called Calisco Roofing, left a message, and Jose called back 2min later. Rain was gone and Jose took a look the next morning (Friday). He gave me...
Acker Roofing
They are quick to respond and have work quality they honor the work warranty no questions asked why rain or shine they come to repair
Acker Roofing did a great job of replacing our roof. They listened to my specific needs, found a good solution, and troubleshooted problem areas. They were able to fit us into their schedule and the j...
Dean and Acker came recommended to us by a State Farm insurance agent, and we can see why. Dean quickly turned around a fair quote for roofing our house. Rodigo and his partner worked diligently on ev...
Consider Calisco Roofing if...
- ✓ Your roof is straightforward (composition shingle, relatively new, visible damage only) and you value direct owner contact from estimate through completion.
- ✓ You need fast response for an active leak and want someone who will personally inspect and explain options the same day.
- ✓ You prefer working with a smaller operation where the person quoting the job is closely involved in the work being done.
- ✓ Your project is repair or maintenance-focused rather than a complex multi-trade coordination effort.
Consider Acker Roofing if...
- ✓ Your roof is older, uses specialty materials, or may have hidden damage requiring experienced diagnosis when the roof is opened.
- ✓ Your project involves solar panels that need professional removal and reinstallation, or other coordination with additional trades.
- ✓ You need permit management, insurance documentation for renewal, or have dealt with storm damage claims requiring detailed documentation.
- ✓ You value the depth of experience that comes from handling thousands of projects over more than a decade, especially if complications arise mid-project.
Questions to Ask Before Hiring
- → Ask Calisco for references from projects involving older roofs or situations where they discovered and addressed hidden damage during the job.
- → Ask Acker about crew consistency and how long their current team members have been with the company.
- → If your project involves solar coordination or permits, ask both companies how many similar projects they handled in the past year.
- → Confirm with both contractors what their process is if unexpected dry rot, structural issues, or code compliance problems are discovered after tear-off begins.
The Bottom Line
For most homeowners, Acker Roofing's 12 years of licensed experience provides greater assurance when handling older roofs, complex projects, or situations requiring permit coordination and multi-trade management. Their established track record means more exposure to uncommon problems and proven systems for navigating complications. However, if your project is straightforward, you value high owner involvement, and direct personal communication throughout the job is a priority, Calisco Roofing delivers strong execution with hands-on attention. If your roof is over 15 years old, involves solar panels, or you've had persistent issues suggesting hidden damage, Acker's experience depth is the safer choice.
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Frequently Asked Questions
For a simple like-for-like replacement on a newer roof with no underlying issues, the gap matters less and both contractors show strong execution. However, most roofs reveal something unexpected once the old material comes off—outdated flashing, hidden rot, ventilation problems—and that's where Acker's 12 years of diagnosing and solving those issues provides more reassurance. If your roof is over 20 years old or you've had persistent leak problems, experience depth becomes more valuable.
Both companies are noted for fast response to active leaks, including short-notice visits during rain. Calisco's high owner involvement may mean more direct communication during an emergency, while Acker's established systems suggest reliable availability even during busy storm periods. Ask each about their typical emergency response time and whether the owner or a crew lead handles urgent calls.
Yes, customer feedback specifically mentions Acker coordinating solar panel removal and reinstallation with solar companies, indicating familiarity with the scheduling, liability, and technical requirements. This isn't mentioned in Calisco's project history, so if your roof has solar, confirm directly with Calisco how many solar coordination projects they've completed and ask Acker for references from similar jobs.
Calisco's reviews specifically mention torch-down, PVC membrane, and concrete tile work, showing hands-on experience with specialty systems. Acker's feedback focuses more on composition shingle tear-offs and repairs, though their 12 years likely includes diverse materials. If you have a flat roof, built-up system, or tile, ask both contractors how many projects using your specific material they've completed in the past two years.
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 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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