24/7 Emergency
8.9

Sierra Roofing & Solar

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6955 Sierra Ct #102, Dublin, CA 94568 50 Years in Business

Bay Area Service Hub Review

50 years in business, specializing in residential roofing and solar integration. Distinguished by 15 consecutive years of Diamond Certified status, indicating verified high customer satisfaction. Best for homeowners prioritizing long-term quality assurance and comprehensive warranty support over the lowest initial bid.

Evaluation Scores

Workmanship
9.0
Quality of work performed
Customer Service
8.5
Responsiveness & communication
Pricing
8.0
Clear & honest pricing
Reliability
8.5
Consistency & dependability
Expertise
8.5
Technical skills & certifications
Warranty Support
8.0
Post-service coverage

Essential Q&A

What makes this contractor stand out?
They hold the prestigious Diamond Certified status for 15 consecutive years, a verification of quality that fewer than 5% of companies achieve.
Who should hire this contractor?
Homeowners who want a single contractor to handle both roofing and solar integration with high-end material warranties.
Insider tip
Due to their high demand and reputation, schedule your estimate at least 3-4 weeks in advance, especially during the rainy season.

Frequently Asked Questions

Is this contractor licensed and insured in California?
Yes. License #835854 is active with the CSLB, and they carry both liability insurance and workers' compensation coverage.
Does this company offer 24/7 emergency services?
Yes, they offer 24/7 emergency roofing services and same-day leak repairs for urgent situations.
What kind of warranty is provided on their workmanship?
As a GAF Master Elite Contractor, they offer a 25-year workmanship warranty on qualifying roof replacements.
Do they provide free estimates or flat-rate pricing?
Yes, they provide 100% free, no-obligation estimates for roofing and solar projects.
How long has this business been serving the Bay Area?
They have been serving the Bay Area since 1976, providing over 50 years of continuous service.
Are their technicians background-checked and certified?
Yes, their technicians are factory-trained and hold GAF Master Elite and CertainTeed Select ShingleMaster certifications.

Platform Scorecard

Cross-platform reputation comparison

G Google
4.8 /5
135 reviews
Y Yelp
4.2 /5
122 reviews
BBB BBB
A+
0 complaints (3 yr)
Diamond Certified
Certified 15 years
323 verified surveys
Checkbook.org
0%
superior rating
Rating Gap Alert: Google rating is 0.6 stars higher than Yelp. This may indicate platform-specific review patterns.

Services Offered

Attic Insulation Gutter Installation Gutter Repair Roof Inspection Roof Repair Roof Replacement Skylight Installation Solar Installation Waterproofing

Areas of Expertise

Leak-Free Guarantee Solar Integration Waterproofing

Certifications

CertainTeed Select ShingleMaster Diamond Certified GAF Master Elite Contractor NRCA Member

Authorized Dealer

CertainTeed GAF

Service Areas

Alameda County Berkeley Contra Costa County Danville Dublin Hayward Livermore Oakland Pleasanton San Ramon Walnut Creek

Professional Memberships

Builders Exchange of Alameda & Contra Costa County Building Trades Association NRCA

License Details

Status Active
Classifications
C-39 - Roofing
Issue Date 2004-04-13
Expires 2026-04-30
Bond Amount $25,000
Workers Comp Active
Disciplinary Actions None

Verify This Information

All data sourced from official platforms

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