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Mortensen Roofing & Gutters vs West Coast Solar

Contra Costa Roofing Contractors Comparison · Updated March 2026

Quick Verdict

You're comparing a dedicated roofing specialist with 36 years of experience to a solar company that also does roofing work as part of panel installations.

Mortensen Roofing & Gutters: Mortensen Roofing & Gutters is a traditional roofing contractor with over three decades specializing in cement tile work, leak repairs, and roof maintenance.
West Coast Solar: West Coast Solar is primarily a solar installation company with roofing capabilities focused on protecting and working around tile roofs during panel mounting.
Mortensen Roofing & Gutters West Coast Solar
Rating 5.0 4.3
Years Licensed 36 years 18 years
License # 583533 908549
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Concord, CA Concord, CA
Website www.mortensenroofing.com www.westcoastsolar.com

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Key Differences

The critical difference is specialization versus scope. Mortensen brings 36 years devoted entirely to roofing problems—cement tile replacement, leak diagnosis, storm damage repair, and maintenance. This depth of focus means they've likely encountered every variation of roofing failure, hidden water damage, and structural complication that comes with aging Bay Area homes. Customer feedback emphasizes roofs that lasted decades and leak troubleshooting expertise. West Coast Solar, while a veteran contractor at 18 years, approaches roofing through the lens of solar installation: protecting existing tile during mounting, ensuring waterproofing around panel penetrations, and handling the specific roofing tasks their solar work requires. Their reviews mention care with tile roofs but focus on installation speed and permit management. If you need a roof repaired, diagnosed, or maintained, you're comparing a specialist to a company whose primary business is installing solar panels. Both are competent within their domains, but those domains are fundamentally different.

What Customers Say

Mortensen Roofing & Gutters

Customers emphasize decades-long roof performance, professional leak troubleshooting, and straightforward communication throughout traditional roofing projects.

West Coast Solar

Customers praise fast solar installations completed in one day, careful protection of tile roofs during panel mounting, and thorough permit handling, though some note post-installation service delays.

Key Takeaway: Mortensen's feedback centers on roofing craftsmanship and longevity as the primary service, while West Coast Solar's reviews focus on solar installation speed and efficiency with roofing mentioned as a protective measure during their core solar work.

Customer Reviews

Mortensen Roofing & Gutters

Jul 2024

Mortensen Roofing roofed our house 35 years ago and it still stand strong. That is until a branch came and chipped a cement tile - they were great and helping me procure a new one a tiny bit different...

Oct 2023

Very reasonably priced. Quality workmanship. Timely and consistent with deign.

Jun 2021

From the estimate forward, I found working with the owner, John Mortensen, to be easy and professional. His bid was clearly the best I received. His crew, especially the supervisor, Humberto were skil...

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 Mortensen Roofing & Gutters if...

  • You need traditional roofing services like leak diagnosis, cement tile replacement, storm damage assessment, or maintenance unrelated to solar installation
  • Your roof problem requires troubleshooting hidden damage or complex issues that come with older Bay Area homes, where 36 years of dedicated roofing experience matters
  • You value high owner involvement and straightforward communication focused entirely on the roof itself, not as part of a larger solar project
  • You want a contractor whose entire business model depends on roof work quality and long-term performance
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Consider West Coast Solar if...

  • You're actually installing solar panels and need a contractor who can handle both the electrical work and roofing penetrations in a coordinated way
  • Your project involves battery storage like Powerwall units and you want single-source accountability for the complete energy system
  • You need someone experienced with permitting, PG&E coordination, and city inspections specific to solar installations
  • You're comparing solar companies and want one with demonstrated attention to protecting tile roofs during panel mounting
View full profile →

Questions to Ask Before Hiring

  • If considering West Coast Solar for roofing only: Ask whether their roofing crew is the same team that does solar work, and request references for standalone roofing projects without solar installation
  • If considering Mortensen: Ask about their experience with your specific roof type and age, and request references from homes built in a similar era
  • For either company: Ask about warranty coverage specifics, timeline from start to completion, and who will supervise the work on-site

The Bottom Line

If you need roofing services—leak repair, tile replacement, storm damage assessment, or maintenance—choose Mortensen Roofing & Gutters. Their 36 years of dedicated roofing specialization, track record of long-lasting results, and focus on traditional roof work make them the clear choice for homeowners with actual roofing problems. West Coast Solar is an excellent option if you're installing solar panels and want integrated roofing and electrical work, but they're not positioned as a standalone roofing contractor. Don't hire a solar company to fix your roof unless you're also installing solar. Match the specialist to the actual problem your home has.

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Frequently Asked Questions

While West Coast Solar has roofing capabilities, their business model centers on solar installations where roofing work supports panel mounting and system integration. Their reviews focus on solar projects, not standalone roofing services. If you're not installing solar, Mortensen's 36 years of dedicated roofing specialization is the more appropriate match for diagnosis, repair, and maintenance work.

For simple repairs on newer roofs, the gap may be less significant. However, 36 years means Mortensen has likely seen every failure mode for cement tile roofs in this climate, including hidden damage that isn't obvious during initial inspection. This depth matters most when your roof is older, has leaked previously, or when the full scope isn't clear until work begins.

Establishing a relationship with West Coast Solar only makes sense if you're actively planning solar installation in the near term. For current roof repairs or maintenance, use the specialist now. When you're ready for solar, any reputable solar company can work with your existing roof regardless of who did previous repairs.

The reviews reflect each company excelling at their core business: Mortensen gets praised for roofing craftsmanship and long-term roof performance, while West Coast Solar gets praised for fast solar installations and protecting roofs during panel work. Choose based on which service you actually need, not generalized satisfaction scores.

Looking for the Best?

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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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