Compare Local Pros
A2Z Water Heaters vs Leak On Lock Plumbing
Sacramento Plumbing Contractors Comparison · Updated March 2026
A veteran water heater specialist with 19 years of experience and full insurance versus a 3-year plumber with broader services but no workers comp.
| A2Z Water Heaters | Leak On Lock Plumbing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 19 years | 3 years |
| License # | 896708 | 1107242 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | Sacramento, CA | Citrus Heights, CA |
| Website | www.a2zwaterheaters.com | www.leakonlock.com |
Key Differences
What Customers Say
A2Z Water Heaters
Customers emphasize A2Z's educational approach to installations with detailed explanations of code requirements and meticulous attention to correcting previous substandard work.
Leak On Lock Plumbing
Customers highlight Leak On Lock's diagnostic abilities in identifying problems other plumbers missed, along with transparent pricing and post-job follow-up contact.
Key Takeaway: A2Z receives specific praise for code compliance focus and bringing older installations up to current standards, while Leak On Lock stands out for accurately diagnosing issues that stumped other contractors.
Customer Reviews
A2Z Water Heaters
I highly recommend A2z Water Heaters for their outstanding work on my two properties. They demonstrated exceptional professionalism and a strong work ethic throughout the process.
I called on Friday, they came out on Saturday to give an estimate. He had the replacement heater with him and installed it in about 3 hours. Fred did a great job installing our water heater. Brough...
a2z Water Heaters did a phenomenal job with replacing my old gas water heater. It started making a loud noise and I realized water was already running out, so I called a2z Water Heaters. I had seen ...
Leak On Lock Plumbing
I had a great experience with Leak on Lock Plumbing. Mike helped me install a water softener I purchased myself (Fleck 5600SXT), and the pricing was very competitive compared to other quotes I got. Th...
Mike Khana was our technician, and he was amazing! After being misled by a number of other companies. Mike met me at my property and actually showed me what was going on and why they fix was needed. E...
Does great work! It's such a relief to have found Leak on Lock Plumbing because we've had very bad luck with several other plumbers lately.
Consider A2Z Water Heaters if...
- ✓ You want maximum protection from liability since A2Z carries workers compensation insurance that shields you if someone is injured during installation
- ✓ Your home is older and may have existing code violations or venting complications that benefit from 19 years of troubleshooting experience
- ✓ You prefer a contractor whose entire business model revolves around water heater expertise rather than general plumbing
- ✓ You want the accumulated knowledge that comes from nearly two decades of navigating permit processes and inspection requirements in Sacramento
Consider Leak On Lock Plumbing if...
- ✓ You need additional plumbing work beyond the water heater and want one contractor to handle everything from leak repairs to drain cleaning
- ✓ You're comfortable verifying your homeowner's insurance covers contractor injuries and accepting that financial risk
- ✓ You value the diagnostic skills that customers mention, particularly if previous plumbers have struggled to identify your issue
- ✓ You're willing to work with a newer contractor in exchange for the convenience of comprehensive plumbing services under one roof
Questions to Ask Before Hiring
- → For Leak On Lock: Ask directly about liability coverage and confirm with your homeowner's insurance whether you're protected if a worker is injured during installation
- → For Leak On Lock: Request references from water heater installations completed in the past year, ideally similar to your home's age and configuration
- → For both: Ask who will physically perform the installation work and how long that person has been doing water heater installations
- → For A2Z: If you need other plumbing repairs, ask whether they can recommend trusted colleagues or if you'll need to coordinate separate contractors
The Bottom Line
For water heater installations, A2Z Water Heaters is the safer choice for most homeowners. The 19 years of specialized experience provides significantly deeper expertise for handling complications, and the workers compensation coverage eliminates a real financial risk that could cost you thousands if something goes wrong. Leak On Lock offers convenience if you need multiple plumbing services addressed simultaneously, but only proceed after confirming your homeowner's insurance covers contractor injuries and you're comfortable accepting that liability. If your project is strictly a water heater replacement, the veteran specialist with full insurance protection is the straightforward recommendation.
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Frequently Asked Questions
It matters most when complications arise. A veteran contractor has seen hundreds of older homes with unusual venting configurations, corroded gas lines, or structural issues that aren't apparent until the old unit is removed. A newer contractor may need to call for help or make multiple trips when these problems surface, extending your timeline and potentially your costs.
If a worker is injured on your property and the contractor lacks workers comp, your homeowner's insurance may become primary coverage for medical bills, rehabilitation costs, and lost wages. This could mean a claim on your policy, potential rate increases, and personal liability if costs exceed your coverage limits. Contact your insurance agent before hiring to understand your specific exposure.
Bundling work with one contractor can save on trip charges and diagnostic time, but only if you're comfortable with the workers comp risk. If you have additional plumbing needs, consider getting the water heater done by A2Z and scheduling other work separately with a fully insured plumber, or ensure your insurance clearly covers contractor injuries before proceeding with Leak On Lock.
Customer service style appears similar, but the technical depth behind those explanations differs. A2Z's 19 years of water heater specialization means they've encountered virtually every installation scenario and code change, while Leak On Lock's 3 years spans multiple plumbing disciplines. For complex situations, accumulated expertise in one specific trade often translates to faster problem-solving and fewer surprises.
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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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