Blue Sky Roofing vs Diamond Ridge Roofing Systems
South Bay Roofing Comparison · Updated January 2026
| Blue Sky Roofing | Diamond Ridge Roofing Systems | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 1 years | 2 years |
| License # | 1128438 | 1109532 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Alviso, CA | San Jose, CA |
| Website | goblueskyroofing.com | www.diamondridgeroofingsystems.com |
Our Analysis
Diamond Ridge Roofing Systems is located in San Jose (Santa Clara County) and has an active license with 2 years of licensure. Customer feedback frequently describes professional and responsive service, with emphasis on clear communication, detailed explanations, and regular updates. Reviews reference both roof replacements and repairs, and also mention related work such as gutters and coordination with third parties (for example, solar providers). While many experiences note organized project management and timely completion, a smaller number of customers report concerns about reliability and jobsite cleanliness, suggesting outcomes may vary by project.
For both companies, the provided details suggest confirming scope, scheduling, and current insurance specifics for the particular job.
Why choose Blue Sky Roofing?
- ✓ You want a contractor based in Alviso serving Santa Clara County.
- ✓ Your project is focused on shingle roofing, such as replacing older shingles with new materials.
- ✓ You value an efficient, well-organized replacement process, based on customer descriptions.
- ✓ You prefer a contractor with an active license, workers’ compensation coverage, and a listed $25,000 bond, and plan to confirm current details for your project.
Why choose Diamond Ridge Roofing Systems?
- ✓ You want a contractor based in San Jose serving Santa Clara County.
- ✓ Your project may involve roof replacement or repair, and potentially related work like gutters.
- ✓ You want frequent communication, detailed explanations, and regular updates during the job, as commonly described by customers.
- ✓ You may need coordination with third parties (such as solar providers), while also considering that some customers mention variability in reliability and jobsite cleanliness.
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Frequently Asked Questions
Yes. Both Blue Sky Roofing and Diamond Ridge Roofing Systems are listed as having an active contractor license and carrying workers’ compensation coverage.
Yes. Each company lists a $25,000 bond.
Blue Sky Roofing’s available information highlights shingle roofing, including replacing older shingles with new materials. Diamond Ridge Roofing Systems’ customer feedback mentions roof replacements and repairs, and also references gutters and coordination with third parties such as solar providers.
Based on the provided information, it’s reasonable to confirm the specific scope of services, current insurance details, scheduling availability, and whether the service area fits your project needs.
Other South 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.