Compare Local Pros
Adary Electric vs Gruber Plumbing
San Mateo Electrical Contractors Comparison · Updated March 2026
You're comparing an electrician to a plumber—these contractors serve entirely different needs despite similar experience levels.
| Adary Electric | Gruber Plumbing | |
|---|---|---|
| Rating | ★ 4.7 | ★ 4.0 |
| Years Licensed | 34 years | 35 years |
| License # | 640431 | 619639 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | Foster City, CA | Moss Beach, CA |
| Website | www.adaryelectric.com | www.gruberplumbing.com |
Key Differences
What Customers Say
Adary Electric
Customers emphasize Adary Electric's responsive scheduling, quick estimate turnaround, and reliable appointment keeping, with multiple clients reporting satisfied repeat business over many years.
Gruber Plumbing
Gruber Plumbing receives recognition for emergency response speed, including 30-minute arrival times, but faces concerns about pricing transparency from at least one customer.
Key Takeaway: Adary Electric shows consistent positive feedback across diverse electrical projects with long-term customer relationships, while Gruber Plumbing's limited reviews focus on emergency responsiveness but include pricing dissatisfaction.
Customer Reviews
Adary Electric
Adary Electric and their staff are a class act. We sought proposals to upgrade our outlets and install a dedicated circuit and outlet to charge an electric vehicle. Adary was the only company we cal...
We worked with Adary to replace our knob & tube wiring, relocate one our subpanels, and upgrade our subpanels in our duplex, and we couldn't be any happier with the experience and the outcome! Marcie ...
I had the Adary team install a NEMA 14-50 outlet in my garage to charge our new EV. When I first reached out, they quickly scheduled an estimate "visit" via Zoom meeting which was really efficient. I ...
Gruber Plumbing
I was supposed to get on a plane the next morning at 6 am to leave town for a few weeks when my pipes backed up and all my bathroom drains were ready to overflow at 9 pm. Phil was the only person to ...
George was very helpful and we called him and within 30 minutes he was here at our home to help us. Although we are local, George was professional and got the job done quickly. We will definitely call...
Consider Adary Electric if...
- ✓ You need electrical work performed (panel upgrades, EV charging circuits, outlet installations, knob and tube replacement, or electrical repairs)
- ✓ You want workers compensation coverage protecting you from liability if a contractor is injured on your property
- ✓ You value consistent communication and scheduling reliability based on feedback from long-term repeat customers
- ✓ Your project involves complex electrical diagnostics where 34 years of troubleshooting experience matters
Consider Gruber Plumbing if...
- ✓ You need plumbing services (drain clearing, valve replacement, or other plumbing repairs)
- ✓ You're facing a plumbing emergency and need immediate response availability, including after-hours service
- ✓ You're willing to verify workers compensation coverage directly and confirm your homeowner's policy covers contractor injuries
- ✓ You plan to get detailed pricing estimates upfront and compare quotes given mixed feedback about pricing transparency
Questions to Ask Before Hiring
- → For Gruber Plumbing: Do you carry workers compensation insurance, and if not, what liability protection do you provide? Will my homeowner's policy cover injuries to your workers?
- → For Gruber Plumbing: Can you provide a detailed written estimate before starting work, breaking down labor and parts costs separately?
- → For Adary Electric: Can you provide references from customers with similar electrical projects, particularly if your work involves complex diagnostics or panel upgrades?
- → For both: What is your warranty on completed work, and how do you handle callbacks if issues arise after project completion?
The Bottom Line
These contractors serve different trades, so your decision depends on whether you need electrical or plumbing work. If you need electrical services, Adary Electric offers 34 years of experience with workers comp protection and consistently positive feedback about reliability and communication. If you need plumbing services, Gruber Plumbing provides 35 years of experience and emergency availability, but you must address the workers compensation gap before hiring—either verify they've obtained coverage or confirm your homeowner's policy protects you, and get detailed written estimates given pricing concerns.
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Frequently Asked Questions
If a contractor without workers comp gets injured on your property, your homeowner's insurance may need to cover their medical bills and lost wages, potentially raising your premiums. Adary Electric carries this coverage; Gruber Plumbing does not have it on file. Before hiring Gruber, verify coverage status and consult your insurance agent about your liability exposure.
Not really—both are veteran contractors with over three decades of experience. The one-year difference is negligible. More important is how each company applies that experience: Adary shows consistent quality across complex electrical projects in customer feedback, while Gruber's limited reviews focus on emergency response rather than diverse project types.
At least one customer felt overcharged for a valve replacement, questioning the cost relative to parts and time involved. This doesn't mean Gruber overcharges universally, but it suggests you should request detailed written estimates before authorizing work and compare quotes from multiple plumbers. Emergency service calls typically command premium pricing, which may explain some cost perceptions.
Yes, many home projects require both trades—for example, installing a new water heater needs both plumbing connections and dedicated electrical circuits. You'd hire Adary Electric for the electrical portion and Gruber Plumbing for the plumbing work. Just ensure both contractors coordinate timing if their work overlaps or depends on the other's completion.
Looking for the Best?
See our ranked list of top electrical contractors in San Mateo.
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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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