Thor Contracting Corporation vs Century Roof and Solar
East Bay Roofing Comparison · Updated January 2026
| Thor Contracting Corporation | Century Roof and Solar | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.8 |
| Years Licensed | 4 years | 30 years |
| License # | 1093228 | 721502 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | El Sobrante, CA | Hayward, CA |
| Website | thorcontractingcorporation.com | www.centuryroofandsolar.com |
Our Analysis
Century Roof and Solar is located in Hayward in Alameda County and has been licensed for 30 years with an active status. It also carries workers’ compensation and maintains a $25,000 bond. Customer feedback describes roofing services such as replacements and repairs, along with solar installation and solar removal/reinstallation associated with roofing work. Reviews additionally reference related items such as gutters, skylights, roof venting, and generator or electrical upgrades.
Side-by-side, both companies are presented as compliant (active license, workers’ comp, bond) and organized in project execution, with recurring mentions of communication and jobsite cleanliness. The most distinct service difference in the data is Century Roof and Solar’s inclusion of solar and other related upgrades, while Thor Contracting Corporation is described primarily around roofing and permitting/inspection coordination.
Why choose Thor Contracting Corporation?
- ✓ You want a roofing-focused contractor described for repairs, installation, and maintenance, with references to coordinating inspections and permits.
- ✓ Your project is in or near Contra Costa County (El Sobrante base), or you’re open to arranging work beyond the immediate area as noted in customer comments.
- ✓ You prefer a contractor presented as licensed and compliant, with workers’ compensation coverage and a $25,000 bond.
- ✓ Scheduling and turnaround are important; the provided feedback references meeting timelines and efficient scheduling.
Why choose Century Roof and Solar?
- ✓ You want roofing work plus solar-related services, including solar installation or solar removal/reinstallation tied to roofing projects.
- ✓ You are in or near Alameda County (Hayward base) and want a contractor with a longer licensing history (30 years in the provided data).
- ✓ Your scope may include related roof components or adjacent upgrades mentioned in the data, such as gutters, skylights, roof venting, or generator/electrical upgrades.
- ✓ You value a process described as detailed and organized, including consultations with clear explanations and proposals.
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Frequently Asked Questions
Yes. The provided data lists both companies as having active license status, workers’ compensation coverage, and a $25,000 bond.
Century Roof and Solar is described as handling solar installations and solar removal/reinstallation connected to roofing work, in addition to roof repairs and replacements.
Thor Contracting Corporation is based in El Sobrante in Contra Costa County, California. Century Roof and Solar is based in Hayward in Alameda County, California.
Century Roof and Solar is listed as licensed for 30 years, while Thor Contracting Corporation is listed as licensed for 4 years.
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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.