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Rosendin Electric vs Cupertino Plumbing
Santa Clara General Contractors Comparison · Updated March 2026
You're comparing an electrician to a plumber—these companies serve completely different needs and cannot be compared for the same project.
| Rosendin Electric | Cupertino Plumbing | |
|---|---|---|
| Rating | ★ 3.9 | ★ 4.9 |
| Years Licensed | 72 years | 34 years |
| License # | 142881 | 624905 |
| Workers' Comp | — | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | San Jose, CA | Campbell, CA |
| Website | www.rosendin.com | www.cupertinoplumbing.com |
Key Differences
What Customers Say
Cupertino Plumbing
Customers consistently praise Cupertino Plumbing for quick scheduling, professional technicians who arrive on time, and clear communication throughout projects ranging from simple repairs to major installations.
Key Takeaway: Cupertino has substantial documented feedback showing service patterns and customer relationships spanning decades, while Rosendin's limited review history requires relying on direct references to assess current performance.
Customer Reviews
Rosendin Electric
I read good things about them and I admire Rosendin Electric's dedication towards charity and giving back to the community.
Good
Fantastic people!
Cupertino Plumbing
Very friendly and knowledgeable. Did a stellar job replacing my kitchen faucet.
Cupertino Plumbing fixed two issues - on two separate visit weeks apart 1) Post the washer cycle, while being drained, the water was coming out of the pipe next to the washer 2) When the dishwasher cy...
Amazing customer service and value! Highly recommend.
Consider Rosendin Electric if...
- ✓ You need electrical work such as panel upgrades, circuit installations, rewiring, or commercial electrical systems
- ✓ You want a contractor with the longest possible track record in the electrical trade and familiarity with Santa Clara County codes across multiple decades
- ✓ You're willing to verify workers compensation coverage independently and confirm your homeowner's insurance covers contractor injuries on your property
Consider Cupertino Plumbing if...
- ✓ You need plumbing services including repiping, water heater replacement, sewer work, drain cleaning, or fixture installations
- ✓ You want workers compensation insurance already in place to protect against liability if a technician is injured
- ✓ You value documented customer feedback showing responsive scheduling, clear communication, and professional service across diverse plumbing projects
- ✓ You prefer a contractor with established patterns of long-term customer relationships spanning decades
Questions to Ask Before Hiring
- → For Rosendin Electric: Ask directly about workers compensation coverage and request proof of current insurance, and confirm whether your homeowner's policy covers injuries to uninsured contractors
- → For either company: Request references from projects matching your specific scope—complex electrical upgrades for Rosendin, or comparable plumbing installations for Cupertino
- → Ask about warranty terms for the specific work you need and what guarantees cover both labor and materials
The Bottom Line
You cannot choose between these contractors for the same project—hire Rosendin Electric for electrical work and Cupertino Plumbing for plumbing needs. If you're evaluating both for separate scopes, Cupertino presents a more complete risk profile with workers comp coverage and documented customer satisfaction. For Rosendin, their 72-year track record in electrical contracting is impressive, but you must resolve the workers compensation question before proceeding. Verify their insurance status directly, confirm your liability protection, and request recent references to assess current service quality.
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Frequently Asked Questions
Yes, and you likely should since they serve different trades. Rosendin would handle electrical needs while Cupertino addresses plumbing. Coordinate their schedules if work overlaps, particularly during rough-in phases of construction when both electrical and plumbing systems are installed before walls close.
If a worker is injured on your property and the contractor lacks workers compensation insurance, you could potentially be held liable for medical costs and lost wages. Before hiring Rosendin, verify they have current coverage and confirm your homeowner's insurance protects you if they don't.
Longevity demonstrates sustained capability, but it doesn't eliminate financial risk if an injury occurs. Their experience is valuable for complex electrical work, but you must address the insurance gap before signing a contract—either by confirming they have coverage not reflected in state records, or ensuring you have adequate liability protection.
Review availability varies by company and doesn't necessarily reflect service quality. Cupertino's feedback provides useful insight into their current communication style and responsiveness, while Rosendin's limited review history means you'll need to request direct references to assess their recent electrical work and customer service approach.
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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 12, 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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