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Albert Nahman Plumbing Heating And Cooling vs Positive Plumbing And Drain
Alameda Plumbing Contractors Comparison · Updated March 2026
Positive Plumbing brings 28 years of experience versus Albert Nahman's 4 years, but Albert Nahman has extensive customer feedback showing consistent service delivery while Positive Plumbing lacks review data.
| Albert Nahman Plumbing Heating And Cooling | Positive Plumbing And Drain | |
|---|---|---|
| Rating | ★ 4.7 | ★ 4.0 |
| Years Licensed | 4 years | 28 years |
| License # | 1083634 | 744023 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Alameda, CA | Livermore, CA |
| Website | albertnahmanplumbing.com | positive.plumbing |
Key Differences
What Customers Say
Albert Nahman Plumbing Heating And Cooling
Customers consistently praise Albert Nahman for rapid response times with same-day availability, professional technicians who provide detailed explanations and options without pressure, and clean work practices across diverse plumbing and HVAC projects.
Key Takeaway: Albert Nahman has extensive customer feedback documenting service delivery patterns while Positive Plumbing lacks review data, making it impossible to compare actual customer experiences despite Positive Plumbing's significantly longer business history.
Customer Reviews
Albert Nahman Plumbing Heating And Cooling
Tara from Albert Nahman plumbing came out and did a excellent job installing a new toilet. She let the work area spotless and I was very impressed with her work. I would highly recommend this company
With their rapid response time, professionalism, know how and ability to communicate technical jargon in layman's terms, Albert Nahman Plumbing, Heating & Cooling stands head and shoulders above their...
Albert Nahman installed a brand new furnace in 2017 and they have maintained my unit to keep it in excellent running condition. They even offer a membership which I signed up for immediately. They are...
Positive Plumbing And Drain
Excellent work by Seth. I called Wednesday, he was at the house first thing the next day to fix 2 stubborn leaks in a kitchen and bathroom sink caused by a previous un named plumber. All parts properl...
Positive Plumbing was a life saver- I had to shut down the water to my house at 4:45 on a Monday night and had to work the next morning, and was in a panic with no water- I called and Seth was able to...
Visit Positive.Plumbing
Consider Albert Nahman Plumbing Heating And Cooling if...
- ✓ You need HVAC services in addition to plumbing, as Albert Nahman handles heating and cooling systems alongside plumbing work, providing a single contractor for multiple home systems.
- ✓ You value rapid response and scheduling flexibility, with customer feedback consistently noting same-day and next-day service availability for both emergencies and routine projects.
- ✓ You want transparency about current service quality, as extensive reviews demonstrate technicians explain diagnostic processes, present multiple options without pressure, and maintain clean work areas.
- ✓ Your project involves complex installations like furnace replacements or HVAC systems where their documented experience with diverse residential projects provides confidence in execution.
Consider Positive Plumbing And Drain if...
- ✓ You have an older home with potentially complex plumbing issues where 28 years of experience diagnosing hidden problems and navigating unexpected complications provides significant value.
- ✓ You prefer high owner involvement in your project, which Positive Plumbing's profile indicates, potentially meaning direct oversight rather than delegation to crews.
- ✓ You're located in or near Livermore where their proximity may reduce travel time and costs compared to an Alameda-based contractor.
- ✓ You're comfortable evaluating contractors primarily through licensing history and direct conversations rather than relying on customer review patterns to inform your decision.
Questions to Ask Before Hiring
- → Ask Positive Plumbing for recent customer references and specific examples of projects similar to yours to compensate for the lack of available review data.
- → Ask Albert Nahman about their experience with your specific issue type, particularly if it's complex, given their shorter time in business compared to Positive Plumbing's veteran status.
- → Ask both companies about who will actually perform the work and their tenure with the company, especially important given the difference between a 4-year and 28-year business.
The Bottom Line
For most homeowners needing plumbing work this week, Albert Nahman Plumbing Heating And Cooling offers more verifiable confidence through extensive customer feedback showing rapid response, professional service, and successful completion of diverse projects, despite their shorter 4-year tenure. Their HVAC capabilities also provide added value for multi-system needs. Choose Positive Plumbing And Drain if you have a complex plumbing issue in an older home where their 28 years of veteran experience diagnosing unusual problems justifies the lack of transparent performance data—but request recent references first to verify their current service quality matches their licensing longevity.
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Frequently Asked Questions
For straightforward plumbing repairs and installations, Albert Nahman's 4 years combined with extensive positive customer feedback may provide more confidence than Positive Plumbing's longer tenure without verifiable recent performance data. For complex diagnostics in older homes or unusual plumbing configurations, Positive Plumbing's nearly three decades encountering rare scenarios offers genuine value. Ask Positive Plumbing for specific examples of how their experience would benefit your particular project.
Albert Nahman's customer feedback includes successful completion of water heater installations, furnace replacements, HVAC installations, and various emergency repairs, indicating capability beyond basic repairs. Their reviews mention accurate diagnostics and thorough explanations of technical issues. However, for truly unusual problems or historic homes with outdated systems, Positive Plumbing's veteran experience may prove advantageous in recognizing issues a newer company hasn't encountered.
This could reflect different business approaches to customer feedback collection, varying project volumes, or generational differences in seeking online reviews. It doesn't automatically indicate service quality problems at Positive Plumbing, but it does mean you're working with less transparency about their current operations, technician quality, and customer service patterns. Request direct references from Positive Plumbing to fill this information gap before deciding.
Their customer feedback includes successful projects across all service areas—plumbing, heating, and cooling—with consistent professionalism noted. This breadth means one contractor can handle multiple home systems, simplifying coordination and potentially identifying related issues across systems. If you need specialized HVAC work, verify the specific technician's qualifications, but their documented performance suggests competence across their advertised services rather than overextension.
Looking for the Best?
See our ranked list of top plumbing contractors in Alameda.
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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 10, 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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