Tri Valley Roofing vs Mortensen Roofing & Gutters
East Bay Roofing Comparison · Updated January 2026
| Tri Valley Roofing | Mortensen Roofing & Gutters | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 3 years | 36 years |
| License # | 1100411 | 583533 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Castro Valley, CA | Concord, CA |
| Website | www.trivalleyroofing.com | www.mortensenroofing.com |
Our Analysis
Based on the provided descriptions, Tri Valley Roofing is associated with a broader set of specific add-on services beyond core roofing, including gutter installation, skylight work, solar tubes, and dry rot repairs, and customers mention photo documentation used for project communication and insurance-related needs. Customer feedback themes for Tri Valley Roofing include responsive updates, clear explanations, attention to detail, cleanliness, and safety.
Mortensen Roofing & Gutters is described as professional and straightforward from estimating through completion, with customer comments emphasizing reasonable pricing, dependable scheduling, and workmanship that meets expectations. Reviews also mention help with targeted repair situations such as addressing leaks and assisting with sourcing replacement materials after damage. In summary, the data highlights differences in tenure, location, and the types of details customers most often mention about each company’s process and service focus.
Why choose Tri Valley Roofing?
- ✓ You are located in or near the East Bay areas served from Castro Valley (Alameda County) and want a contractor described as working on residential projects from repairs to full replacements.
- ✓ You want roofing work that may include gutters, skylights, solar tubes, or dry rot repairs, based on services customers reference.
- ✓ Photo-based documentation and progress communication are important, including for sharing information with insurance.
- ✓ You value process details customers mention, such as cleanliness, attention to detail, and a careful approach to safety.
Why choose Mortensen Roofing & Gutters?
- ✓ You are located near Concord (Contra Costa County) and prefer a contractor with long licensing tenure (36 years) and active status.
- ✓ You want a straightforward experience from estimating through completion, with an emphasis on clear communication and dependable scheduling.
- ✓ You have a specific repair issue (such as a leak) or need help sourcing replacement materials after damage, which customers mention.
- ✓ You are comparing options where customers commonly reference reasonable pricing and results that meet expectations.
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Frequently Asked Questions
Yes. Both Tri Valley Roofing and Mortensen Roofing & Gutters list workers’ compensation coverage and a $25,000 bond.
Tri Valley Roofing is based in Castro Valley, Alameda County, California. Mortensen Roofing & Gutters is based in Concord, Contra Costa County, California.
Tri Valley Roofing is listed as licensed for 3 years. Mortensen Roofing & Gutters is listed as licensed for 36 years. Both licenses are shown as active.
Tri Valley Roofing is described as using photos to document conditions and progress, which some customers found useful for sharing with insurance.
Other East 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.