Acker Roofing vs Star Waterproofing and Roofing
East Bay Roofing Comparison · Updated January 2026
| Acker Roofing | Star Waterproofing and Roofing | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.3 |
| Years Licensed | 12 years | 8 years |
| License # | 993338 | 1036279 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Walnut Creek, CA |
| Website | ackerroofing.com | www.starwaterproofingco.com |
Our Analysis
Service scope differs based on the provided descriptions and customer accounts. Acker Roofing is primarily associated with residential roofing services: roof repairs, full replacements (including tear-offs), inspections, and roof cleaning. Customers also reference related work such as addressing leaks, dry rot repair, attic insulation blow-in, and coordinating roofing work with solar panel removal and reinstallation. Projects described include storm-damage repairs and insurance-related inspections or documentation, with mentions of permitting and inspection coordination when applicable.
Star Waterproofing and Roofing is often referenced for diagnosing leaks and explaining repair recommendations, with reviews noting detailed estimates and communication. Customer accounts also mention work on decks, balconies, and flat or low-slope roofs, including multi-unit and commercial projects. Feedback indicates follow-up support is sometimes provided after completion, while a portion of customers report dissatisfaction tied to communication or service experiences.
Why choose Acker Roofing?
- ✓ You want a contractor commonly referenced for residential roof repairs, full replacements (including tear-offs), inspections, and roof cleaning.
- ✓ Your project may involve related residential items such as leak troubleshooting, dry rot repair, attic insulation blow-in, or coordinating roofing work with solar panel removal and reinstallation.
- ✓ You are located in or near Concord or elsewhere in Contra Costa County and want a contractor frequently described as organized around estimating, scheduling, and jobsite cleanliness.
- ✓ You may need storm-damage repair support or insurance-related inspection/documentation, with possible coordination around permits and inspections.
Why choose Star Waterproofing and Roofing?
- ✓ You need help diagnosing leaks and want a contractor frequently described as knowledgeable in identifying causes and explaining repair options.
- ✓ Your project involves waterproofing-adjacent areas such as decks or balconies, or a flat/low-slope roof where those systems are commonly involved.
- ✓ You are in or near Walnut Creek or elsewhere in Contra Costa County and want a company referenced for multi-unit or commercial building work in addition to roofing.
- ✓ You value detailed estimates and responsiveness, while also noting that some customer accounts mention occasional communication or service concerns.
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Frequently Asked Questions
Yes. Both companies are listed with an active license status, carry workers’ compensation coverage, and maintain a $25,000 bond.
Acker Roofing is specifically described as providing residential roof replacements, including tear-offs, along with repairs, inspections, and roof cleaning.
Star Waterproofing and Roofing is commonly referenced for work on decks and balconies and on flat or low-slope roofs, including projects for multi-unit and commercial buildings.
Customer accounts for Acker Roofing reference coordinating roofing work with solar panel removal and reinstallation.
Other East Bay Roofing Comparisons
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.