Compare Local Pros
Contra Costa Heating And Air Conditioning vs Just Water Heaters And Plumbing
Alameda Plumbing Contractors Comparison · Updated March 2026
These companies serve different needs entirely—one specializes in HVAC systems, the other in water heaters and plumbing.
| Contra Costa Heating And Air Conditioning | Just Water Heaters And Plumbing | |
|---|---|---|
| Rating | ★ 4.1 | ★ 3.2 |
| Years Licensed | 14 years | 11 years |
| License # | 970192 | 997251 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | San Leandro, CA | Fremont, CA |
| Website | www.contracostaheating.com | www.justwaterheatersplumbing.com |
Key Differences
What Customers Say
Contra Costa Heating And Air Conditioning
Customers consistently praise professional installation quality with clean worksites and punctual crews, but report frustration with post-installation communication and difficulty scheduling warranty or callback service.
Just Water Heaters And Plumbing
Some customers describe successful ongoing relationships with repeat service visits over time, while others report initial communication challenges getting callbacks after first contact.
Key Takeaway: Contra Costa shows a clear divide between strong installation execution and weak post-project support, while Just Water Heaters demonstrates inconsistent front-end communication but maintains some long-term customer relationships.
Customer Reviews
Contra Costa Heating And Air Conditioning
Contra Costa Heating and Air Conditioning did an excellent job repairing our heater during winter. They arrived on time, explained the issue clearly, and left the work area very clean. Highly professi...
We had our furnace serviced and everything went smoothly. The technician was punctual, courteous, and respectful of our home. It's hard to find companies this reliable anymore.
Our furnace stopped working during a cold week and CCHA responded quickly. They fixed the issue the same day and left no mess behind.
Just Water Heaters And Plumbing
Have had this young man in my home several times. He's installed our water heaters from Dale Hardware and today he repaired our toilet and checked and cleared and repaired the drains in both our bathr...
Consider Contra Costa Heating And Air Conditioning if...
- ✓ You need HVAC work including furnace replacement, air conditioning installation, heat pump systems, or complete heating and cooling system upgrades that fall outside plumbing scope.
- ✓ Workers compensation coverage is a non-negotiable requirement for you, protecting against liability if contractor employees are injured on your property.
- ✓ You're purchasing through Costco or Home Depot and want their affiliated installation service, as Contra Costa partners with these retailers.
- ✓ You value clean, professional installation crews who protect your home during work, as customers consistently mention worksite cleanliness and punctuality, though be prepared to be proactive about scheduling any follow-up service needs.
Consider Just Water Heaters And Plumbing if...
- ✓ Your project involves water heater installation, replacement, or plumbing repairs like toilet work or drain clearing rather than heating and cooling systems.
- ✓ You prefer working directly with a highly involved owner rather than being assigned to different crews, as customer feedback indicates ongoing relationships with repeat service.
- ✓ You're willing to verify liability coverage details directly and confirm your homeowner's insurance adequately protects you given the absence of workers compensation on file.
- ✓ You can be persistent with communication if needed, as some customers report callback challenges while others maintain successful long-term service relationships.
Questions to Ask Before Hiring
- → For Just Water Heaters: Ask directly about liability insurance coverage and confirm with your homeowner's insurance whether you're protected if a worker is injured, since workers compensation is not on file.
- → For Contra Costa: Ask how warranty service and callbacks are handled after installation, who your service contact will be, and what typical response times are for post-installation issues.
- → For both: Ask for references from projects completed in the last six months to understand current service patterns rather than historical performance.
The Bottom Line
Choose the contractor that matches your actual project scope—Contra Costa for HVAC work, Just Water Heaters for plumbing and water heaters. If both specializations match your needs, Contra Costa provides better liability protection with workers compensation coverage, though you'll need to be proactive about post-installation service based on customer feedback. Just Water Heaters shows strong owner involvement with repeat customers, but the absence of workers comp insurance creates real liability risk you must address before signing a contract. Verify coverage details with both companies and get all warranty and service commitments in writing regardless of which you choose.
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Frequently Asked Questions
No, these contractors serve different systems. Just Water Heaters And Plumbing handles water heaters and plumbing work but not HVAC systems. Contra Costa Heating And Air Conditioning specializes in furnaces and air conditioning but not water heaters. You would need to hire both companies separately if you have both types of projects.
If a worker is injured on your property and the company lacks workers compensation coverage, you could potentially be held liable for medical costs and damages. Your homeowner's insurance might cover this, but it could affect your rates or coverage. Before hiring, verify their current liability coverage and check with your insurance agent about your exposure.
Customer feedback shows a pattern of difficulty reaching the company for warranty work and callbacks after projects are completed. If you hire them, get warranty terms in writing, establish your post-installation contact upfront, and document all communication. Consider whether you're willing to be persistent if service issues arise after the initial installation.
For contractors at this experience level, the gap between 11 and 14 years is less significant than it would be for newer companies. Both have navigated economic cycles and built operational systems. Focus instead on the insurance coverage difference and post-project service patterns, which have more practical impact on your experience and protection.
Looking for the Best?
See our ranked list of top plumbing contractors in Alameda.
Other Alameda Plumbing Contractors Comparisons
Contra Costa Heating And Air Conditioning
★ 4.1
Service Champions
★ 4.9
Contra Costa Heating And Air Conditioning
★ 4.1
Valley Plumbing Home Center
★ 4.9
Contra Costa Heating And Air Conditioning
★ 4.1
Superior Mechanical Services
★ 4.8
Contra Costa Heating And Air Conditioning
★ 4.1
Above All Plumbing
★ 4.4
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 13, 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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