Compare Local Pros
Sol R Us vs West Coast Solar
Contra Costa Solar Contractors Comparison · Updated March 2026
West Coast Solar brings 18 years of licensed experience compared to Sol R Us's 5 years, meaning significantly more expertise handling complex installations and diagnosing hidden roof issues.
| Sol R Us | West Coast Solar | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.3 |
| Years Licensed | 5 years | 18 years |
| License # | 1077212 | 908549 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Concord, CA |
| Website | solrusengineering.net | www.westcoastsolar.com |
Key Differences
What Customers Say
Sol R Us
Customers consistently highlight Sol R Us's transparent pricing approach and responsive communication throughout the installation process, with particular appreciation for technical explanations rather than sales pressure.
West Coast Solar
Customers praise West Coast Solar's no-pressure sales and fast single-day installations, but post-installation service experiences vary significantly with some reporting delays reaching the service department.
Key Takeaway: Sol R Us maintains consistent communication and responsiveness throughout the customer relationship, while West Coast Solar excels at installation speed but shows inconsistent accessibility for post-installation warranty and service needs.
Customer Reviews
Sol R Us
SOL R US Electrical Engineering Review Our experience with SOL R US was excellent from start to finish. Daniel, Chris, Jessica and their in-house crew of Electricians and Roofers are all amazing peop...
I was very satisfied with this install. It's been a year with no issues. Reliable customer service and on site electrician was good. The installation team knew how to walk on our old tile roof and bro...
Very well planned system and execution. The team is open, transparent, proactive, and professional. I had about 8 different offers, and while this system was the most expensive, the cost per kw was...
West Coast Solar
Craig and the customer service staff were awesome! They listened to my concerns and were open to my service options. Craig was very nice and explained everything for me to understand.
Communication was great from the start, to the time they left. Great job WCS!!
On time and did a great job
Consider Sol R Us if...
- ✓ Your project involves complex electrical upgrades or roof complications where you value ongoing communication and detailed technical explanations throughout the process rather than just at the quote stage.
- ✓ You prioritize working with a contractor showing high owner involvement and consistent responsiveness, particularly if you plan to add battery storage or system expansions in future years.
- ✓ You prefer a transparent pricing approach with detailed breakdowns and want installation teams who take extra time to ensure quality rather than prioritizing speed.
- ✓ You're comparing multiple solar companies and want a contractor who explains technical trade-offs rather than using traditional sales approaches.
Consider West Coast Solar if...
- ✓ Your roof is older, has unusual structural characteristics, or you've had complications with previous home projects, where 18 years of diagnostic experience becomes crucial for identifying hidden issues before they become expensive problems.
- ✓ You want your installation completed quickly, ideally in a single day, and value a no-pressure sales consultation focused on competitive pricing.
- ✓ Your project is straightforward without anticipated complications, and you prioritize installation expertise over post-installation service accessibility.
- ✓ You need a contractor who has worked through multiple generations of solar equipment and building code changes, providing institutional knowledge that only comes with veteran status in the industry.
Questions to Ask Before Hiring
- → Ask West Coast Solar specifically how their service department is structured and what typical response times are for warranty issues or system monitoring concerns after activation.
- → Ask Sol R Us for references from customers whose projects had unexpected roof or electrical complications to understand how they handle issues beyond standard installations.
- → Ask both companies how long their current installation crews have worked together and whether they use the same teams consistently or rotate crews between projects.
- → Ask about their approach if permitting or inspection timelines extend beyond initial estimates, given that both companies work through the city approval process.
The Bottom Line
For most homeowners, West Coast Solar's 18 years of licensed experience provides meaningfully better protection against installation complications, particularly for older homes or complex roof configurations where veteran diagnostic skills prevent expensive mistakes. Their fast installation and competitive pricing work well for straightforward projects. However, if you value transparent communication throughout the process, anticipate needing detailed technical explanations, or plan future system expansions requiring ongoing coordination, Sol R Us's 5 years of experience is still solid while offering superior responsiveness and owner involvement. The deciding factor is whether you prioritize deep installation expertise with variable post-installation service versus consistent communication and accessibility throughout your solar system's lifecycle. If your project is standard and you want veteran experience, choose West Coast Solar but establish clear service expectations upfront. If ongoing support matters as much as installation quality, Sol R Us provides more reliable accessibility.
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Frequently Asked Questions
For straightforward installations on newer homes with simple roofs, the gap matters less. However, 18 years means West Coast Solar has encountered virtually every complication that can arise during solar projects, from hidden rot to outdated electrical panels to unusual roof configurations. If anything unexpected appears during your installation, that pattern recognition becomes invaluable and can prevent costly mistakes that newer contractors might not anticipate.
Customer feedback shows mixed experiences, with some reporting prompt warranty service while others describe difficulty reaching the service department or delays scheduling repairs. If your solar system requires warranty work or ongoing monitoring support, this inconsistency is a real consideration. Ask West Coast Solar directly about their current service staffing and typical response times, and confirm how they handle priority issues versus routine maintenance.
Five years of licensed operation is solidly in the experienced category, and Sol R Us demonstrates competent handling of roof work, system expansions, and panel removal projects requiring coordination. Their integrated crew model with in-house electricians and roofers provides good structural capability. The limitation is simply less institutional history compared to an 18-year veteran, which matters most when diagnosing unusual problems rather than executing standard installations.
Sol R Us shows strong patterns of customers returning for battery additions and system expansions, with consistent communication throughout. West Coast Solar also installs battery storage including Powerwall units, but the variable post-installation service accessibility could complicate coordination for future additions. If you're certain you'll expand your system, Sol R Us's demonstrated customer retention and ongoing responsiveness gives them an edge for multi-phase projects.
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See our ranked list of top solar contractors in Contra Costa.
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How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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