Sierra Roofing and Solar vs TSP Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Sierra Roofing and Solar | TSP Roofing and Solar | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 22 years | 3 years |
| License # | 835854 | 1096233 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dublin, CA | Hercules, CA |
| Website | www.sierraroofing.com | www.tsproofingandsolar.com |
Our Analysis
TSP Roofing and Solar operates from Hercules in Contra Costa County and has 3 years licensed, an active license, workers’ compensation coverage, and a $25,000 bond. Customer feedback emphasizes roofing and solar projects, with frequent mentions of clear process explanations, timely communication, and organized coordination from planning through completion. Reviews also reference efficient installation timelines, including one-day solar or battery installs in some cases, and troubleshooting/repairs such as roof leaks, solar systems going offline, and inverter or component replacements. Workmanship details noted include neat installation practices and electrical upgrades.
Why choose Sierra Roofing and Solar?
- ✓ You want a contractor with a longer documented licensing history (22 years) and an active license, workers’ compensation coverage, and a $25,000 bond.
- ✓ Your project includes roofing plus gutters (installation or repair), since gutters are repeatedly referenced in customer feedback.
- ✓ You value detailed inspections and estimates that explain findings and recommended next steps, as commonly described by customers.
- ✓ You may need help during weather-related leak situations, since reviews mention time-sensitive visits during heavy rain (with some notes that scheduling can require planning ahead).
Why choose TSP Roofing and Solar?
- ✓ You are located closer to Hercules/Contra Costa County and want a contractor based in that area with an active license, workers’ compensation coverage, and a $25,000 bond.
- ✓ Your scope includes solar or battery work alongside roofing, with customer feedback describing coordinated projects across both.
- ✓ You prioritize organized scheduling and efficient timelines, including reports of one-day solar or battery installs in some cases.
- ✓ You may need troubleshooting for solar equipment issues (systems going offline, inverter/component replacement) or related electrical upgrades, which are specifically mentioned in customer feedback.
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Frequently Asked Questions
Yes. The provided data lists workers’ compensation coverage for both companies and a $25,000 bond for each.
Sierra Roofing and Solar is based in Dublin in Alameda County, California. TSP Roofing and Solar is based in Hercules in Contra Costa County, California.
Sierra Roofing and Solar is listed as licensed for 22 years, while TSP Roofing and Solar is listed as licensed for 3 years.
Customer feedback references troubleshooting and repairs such as solar systems going offline and inverter or component replacements, along with mentions of electrical upgrades and neat installation practices.
Other East Bay Roofing Comparisons
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 15, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.