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TSP Roofing and Solar vs West Coast Solar

Contra Costa Electrical Contractors Comparison · Updated March 2026

Quick Verdict

West Coast Solar brings 18 years of licensed experience versus TSP's 3 years, but TSP delivers stronger communication and handles roofing projects alongside solar.

TSP Roofing and Solar: TSP Roofing and Solar is a responsive 3-year contractor combining roofing expertise with solar installation, noted for clear communication and fast project completion.
West Coast Solar: West Coast Solar is an 18-year veteran specializing in solar and battery systems with competitive pricing, though post-installation service feedback is inconsistent.
Note: West Coast Solar shows a pattern of inconsistent post-installation service responsiveness, with some customers reporting difficulty reaching the service department for warranty work.
TSP Roofing and Solar West Coast Solar
Rating 5.0 4.3
Years Licensed 3 years 18 years
License # 1096233 908549
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Hercules, CA Concord, CA
Website www.tsproofingandsolar.com www.westcoastsolar.com

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Key Differences

The experience gap is substantial and practically significant. West Coast Solar's 18 years means they've worked through multiple generations of solar technology, inverter types, and permitting changes, which matters when troubleshooting unusual issues or navigating utility interconnection problems. TSP's 3 years positions them as competent but still building their reference library of edge cases. However, TSP offers a meaningful advantage in dual roofing capability. They actively handle new roof installations, leak repairs, and gutter work alongside solar projects, which matters if your roof condition is uncertain or nearing replacement. West Coast Solar focuses primarily on solar with roofing limited to installation context. The communication pattern is the most striking operational difference. TSP consistently earns praise for progress updates, photo sharing, and responsive scheduling throughout projects. West Coast Solar receives positive feedback during sales and installation phases, but multiple customers note challenges reaching the service department post-installation and delays scheduling warranty repairs. For a homeowner, this suggests TSP may provide better ongoing support, while West Coast Solar's strength is in upfront consultation and technical solar expertise.

What Customers Say

TSP Roofing and Solar

TSP customers consistently praise responsive communication with regular progress updates and photo sharing throughout projects, alongside fast scheduling and efficient crew work.

West Coast Solar

West Coast Solar receives positive feedback for no-pressure sales and one-day installations, but experiences vary significantly in post-installation service with some customers reporting difficulty reaching the service department.

Key Takeaway: TSP maintains strong communication throughout the entire customer relationship, while West Coast Solar's responsiveness appears concentrated in the sales and installation phases with inconsistent post-installation accessibility.

Customer Reviews

TSP Roofing and Solar

Nov 2025

I can't recommend TSP Roofing & Solar enough. Mario and his team were absolutely incredible. I reached out to over 25 different companies trying to find someone who could handle both roofing and solar...

Nov 2025

From beginning to end TSP roofing and solar did a fabulous job. They did a new roof for us along with solar battery bundle. They were efficient and well organized and most importantly they kept in tou...

Oct 2025

Mario and crew over-delivered on everything! They recognized we’d need to upgrade our electrical panel and got it approved by PG&E and installed within 30 days, when other installers told us 3—4 m...

West Coast Solar

Jan 2026

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.

Dec 2025

Communication was great from the start, to the time they left. Great job WCS!!

Dec 2025

On time and did a great job

Consider TSP Roofing and Solar if...

  • Your project combines roof replacement or significant repair with solar installation, allowing one contractor to coordinate both scopes and ensure roof integrity before panel mounting
  • Ongoing communication and regular project updates are priorities for you, as TSP consistently delivers progress photos and responsive scheduling throughout the customer relationship
  • You value high owner involvement and want a contractor who will troubleshoot electrical issues related to solar work, including panel upgrades and circuit repairs
  • Your timeline is tight and you need confident scheduling, as TSP demonstrates fast turnaround including one-day installations for certain solar work
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Consider West Coast Solar if...

  • Your project is solar-focused without roofing needs, and you want the depth of experience that comes from 18 years navigating permitting, utility coordination, and evolving solar technology
  • You prioritize competitive upfront pricing and a no-pressure sales consultation to evaluate options without feeling rushed into decisions
  • Your roof is tile and you want a contractor experienced in protecting fragile roof materials during the mounting process
  • You're comfortable being proactive about scheduling any future service needs, as post-installation support responsiveness has been inconsistent for some customers
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Questions to Ask Before Hiring

  • Ask TSP for references from projects completed in their first year versus recent work to assess how their systems and crew coordination have matured over 3 years
  • Ask West Coast Solar specifically how service requests are handled post-installation, what the typical response time is for warranty issues, and whether they assign a dedicated service contact
  • If your roof is older than 10 years, ask both contractors whether they recommend roof inspection or replacement before solar installation and how they coordinate that work
  • Ask both companies about their experience with your specific inverter and battery brands, and request examples of troubleshooting similar systems in your area

The Bottom Line

If your project involves both roofing and solar work, or if responsive communication and accessible post-installation support are priorities, TSP Roofing and Solar is the stronger choice despite being newer. Their consistent feedback on responsiveness and dual roofing capability addresses practical homeowner needs throughout the project lifecycle. Choose West Coast Solar if your project is solar-only, your roof is in good condition, and you value their 18 years of technical solar expertise and competitive pricing during the sales phase. Just plan to be proactive about scheduling any future service needs, as their post-installation support has been inconsistent. For most homeowners balancing project complexity with ongoing relationship quality, TSP's communication strength and broader scope outweigh West Coast Solar's experience advantage.

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Frequently Asked Questions

For straightforward solar installations with standard roofing, TSP's 3 years is adequate and their reviews show organized execution. However, West Coast Solar's 18 years provides significantly more experience diagnosing unusual system issues, handling complex permitting situations, and working with legacy equipment. If your project involves older solar equipment needing service or a complicated roof layout, that experience gap matters more.

West Coast Solar does tile roof installations in the context of solar projects and takes care to protect existing roofs, but their core focus is solar installation and service. TSP actively markets combined roofing and solar capability, handling new roof installations, leak repairs, and gutter work alongside panels. If your roof needs replacement or significant repair, TSP offers more comprehensive roofing expertise under one contract.

It's a real consideration if you anticipate needing ongoing support or warranty service. Multiple customers specifically noted difficulty reaching the service department and delays scheduling repairs, though others report prompt resolution. Ask West Coast Solar directly about their current service response protocols and whether they've made recent changes. TSP's smaller size and high owner involvement may provide more consistent accessibility for future needs.

Both install battery storage including Powerwall units. West Coast Solar's 18 years means they've worked with more battery technology generations and likely have deeper troubleshooting experience for warranty issues. However, TSP's consistent communication pattern and electrical expertise may provide better ongoing coordination if your battery system requires service or optimization adjustments. Ask both for references specifically from battery storage customers.

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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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