Calisco Roofing vs Star Waterproofing and Roofing
East Bay Roofing Comparison · Updated January 2026
| Calisco Roofing | Star Waterproofing and Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.3 |
| Years Licensed | 3 years | 8 years |
| License # | 1105093 | 1036279 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brentwood, CA | Walnut Creek, CA |
| Website | caliscoroofing.com | www.starwaterproofingco.com |
Our Analysis
Star Waterproofing and Roofing is located in Walnut Creek and has been licensed for 8 years with an active status. Reviews commonly describe the company as knowledgeable in diagnosing leaks and explaining recommended repairs, with detailed estimates and responsive scheduling. Project mentions include decks, balconies, and flat or low-slope roofs, including work associated with multi-unit and commercial buildings. Customers also note professionalism, timeliness, and efforts to protect surrounding areas during construction, with some references to follow-up support. Feedback is mixed overall, with a few customers reporting dissatisfaction related to communication or service experiences.
Why choose Calisco Roofing?
- ✓ You want a Brentwood-based contractor serving the surrounding Contra Costa County area.
- ✓ Your project is primarily residential roofing (inspection, leak repair, maintenance, or replacement).
- ✓ You prefer a process that includes on-roof inspection and documentation such as before-and-after photos.
- ✓ You value clear explanations of options and scope, plus attention to cleanup after the job.
Why choose Star Waterproofing and Roofing?
- ✓ You want a Walnut Creek-based contractor with a longer licensing history (8 years).
- ✓ Your needs may include waterproofing-adjacent work such as decks or balconies, or flat/low-slope roof projects.
- ✓ You want detailed estimates and a contractor often described as strong in diagnosing leaks and explaining repairs.
- ✓ You may value follow-up support after completion, while noting that some customers reported communication/service concerns.
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Frequently Asked Questions
Yes. Both Calisco Roofing and Star Waterproofing and Roofing are listed with active license status, carry workers’ compensation coverage, and maintain a $25,000 bond.
Star Waterproofing and Roofing is listed as licensed for 8 years, while Calisco Roofing is listed as licensed for 3 years.
Yes. Calisco Roofing has customer-referenced projects including low-slope roofing, PVC membrane roofing, and torch-down roofing. Star Waterproofing and Roofing is also referenced for flat or low-slope roof work.
Star Waterproofing and Roofing is specifically referenced by customers for completed work on decks and balconies, including projects tied to multi-unit and commercial buildings.
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.