Plumbing Diagnosis & Inspection Services in San Diego, CA

Finding plumbing problems before they cause damage saves money and prevents emergencies. Pacific Drain & Plumbing provides thorough inspections and diagnosis throughout San Diego County using advanced technology to identify issues accurately, backed by clear explanations of what we find.

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Our Diagnostic Services

We provide complete plumbing inspection and diagnosis.

Sewer Camera Inspections

Video inspection that shows exactly what's happening inside pipes without digging.

Pre-Purchase Plumbing Inspections

Comprehensive evaluation before buying to identify potential problems.

Leak Detection Services

Advanced technology locates hidden leaks in walls, slabs, and underground without destructive searching.

Plumbing System Evaluations

Complete assessment of your home's plumbing condition and potential future issues.

Water Quality Testing

Testing to identify hardness, contaminants, and quality issues affecting your home.
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When Professional Diagnosis Makes Sense

Some plumbing problems are obvious. Others hide and cause damage silently. Here’s when professional diagnosis pays off.

Buying a home:

  • Many older San Diego properties have aging plumbing that looks fine on the surface
  • A thorough inspection identifies issues before you close
  • Gives you negotiating power or at least awareness of what’s coming

Recurring problems:

  • Drains that keep clogging point to underlying issues
  • Toilets that back up repeatedly suggest sewer line problems
  • Sewer gas smells indicate venting or drainage issues
  • Basic fixes won’t solve problems with deeper causes

Unexplained symptoms:

  • High water bills without obvious leaks
  • Damp spots appearing on floors or walls
  • Foundation cracks that keep spreading
  • Early detection prevents serious damage

The cost of diagnosis is tiny compared to repairing damage from undiscovered problems.

What We Inspect

Our comprehensive plumbing inspections evaluate your entire system.

Water supply:

  • Checking for leaks, corrosion, and proper sizing
  • Testing water pressure
  • Evaluating pipe material and condition

Drains and sewers:

  • Flow testing at all fixtures
  • Identifying blockages and damage
  • Camera inspection when needed

Water heater:

  • Age and performance assessment
  • Safety evaluation
  • Remaining lifespan estimate

Fixtures and connections:

  • Testing operation of all faucets and toilets
  • Checking for leaks and wear
  • Evaluating shutoff valves

Gas lines (if applicable):

  • Leak inspection
  • Connection integrity
  • Code compliance check

We document everything with photos and provide detailed reports.

Technology Makes Better Diagnosis

Modern tools let us see problems that used to require guesswork or excavation.

Sewer cameras:

  • Show the inside of pipes in real-time
  • Reveal cracks, root intrusion, blockages, and deterioration
  • Pinpoint exact locations
  • We show you what we’re seeing

Electronic leak detection:

  • Picks up sounds and signals from hidden leaks
  • Works behind walls and under floors
  • Finds problems without tearing up your home

Thermal imaging:

  • Shows temperature differences from hidden moisture
  • Identifies water damage behind walls
  • Non-invasive screening

Pressure testing:

  • Identifies leaks and weak points in water lines
  • Can isolate and test sections independently
  • Pinpoints problem areas precisely

Smoke testing:

  • Finds breaks in drain vent systems
  • Identifies causes of drainage problems and odors

Understanding Your Inspection Report

We provide clear reports that explain what we found, why it matters, and what to do about it.

Every report includes:

  • Prioritized findings – What needs immediate attention versus what can wait
  • Explanations – Why each issue matters and what happens if left unaddressed
  • Cost estimates – What repairs would likely cost
  • Photos – Documentation of what we found

Mauzy Cooling, Heating, Plumbing, and Electrical customer reviews on Google

Pacific Drain & Plumbing is a Mauzy brand. The reviews below are from Mauzy customers in San Diego, served by the same team that handles Pacific Drain jobs.

Posted on Google Google
Chris Camarata profile picture
Chris Camarata
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Joel was very good. Talked with me, explained why to replace socket, and very respectful. He is a keeper
Posted on Google Google
Wendy Ledford profile picture
Wendy Ledford
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Furnace maintainance was effortless and included in my yearly service agreement
Posted on Google Google
Jody Welp profile picture
Jody Welp
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Joe A. Did a great job troubleshooting and fixing the issue. Thank you!
Posted on Google Google
Kathryn Whistler profile picture
Kathryn Whistler
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Electrical inspection in service contract so part af a package. Technician Isaac was very helpful.
Posted on Google Google
Tom Garrison profile picture
Tom Garrison
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Darren was knowledgeable, friendly, considerate and efficient. All good.
Posted on Google Google
Charles Nnaji profile picture
Charles Nnaji
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
4/9/24 Michael Mitman was the specialist that did my maintenance on my unit today, and was very thorough as well as provided recommendations and offered the discount rate for my next year visit as well as gave good information on changing out the filter sooner than 90 days due to pet and carpet. He is very knowledgeable and also found out he went to high school with my oldest son. Thanks again for an awesome service today. January 14, 2026 Joshua came and serviced my water heater as well as recommended items that need to be replaced and what functions and issues can arise if ignored. He is very knowledgeable and explained everything he was doing as well as showing the results of his assessments. He deserves a raise because it is rare to have someone so knowledgeable and confident in what they do which is a huge plus. I will definitely highly recommend him. Again thank you for a job well done Joshua and the Mauzy team. January 22, 2026, James Logsdon came and did our hvac systems maintenance. He was very professional, detailed and communicated his recommendations to keep the systems running for a while. I am glad this was done today. Thanks again for your services, will definitely recommend him for hvac systems maintenance.
Posted on Google Google
Ghiasi Designs profile picture
Ghiasi Designs
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Mike was absolutely amazing! He took the time to go over all the potential reasons the heater was not working, trouble shooter the thermostat and got the heat back on. He is extremely kind, professional and I highly recommend their company and ask for Michael!
Posted on Google Google
Asher A. profile picture
Asher A.
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Michael Mitman came in today and fixed our non-working heating. He took his time in diagnosing the issue until he got it fixed. Very straightforward, friendly, and experienced. Thank you Michael! Mauzy is always trustworthy in issues like this!
Posted on Google Google
Linda Palmer profile picture
Linda Palmer
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Jonathan Sandoval was courteous, knowledgeable, efficient, and professional. I was pleased with the installation work they did on my new HVAC package. I would recommend them in the future.
Posted on Google Google
Roxanne Burroughs profile picture
Roxanne Burroughs
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Mikel was very professional, well-mannered, informative and polite. Good experience.

Areas We Serve

From booking to completion, our streamlined process ensures hassle-free, efficient handyman services. Just follow the steps below, and we’ll handle the rest, delivering quality work you can count on.

Pacific Drain Service Area Map

Plumbing Diagnosis Frequently Asked Questions

How much does a plumbing inspection cost?

Cost varies based on scope. Basic evaluations start lower; comprehensive pre-purchase inspections cost more. Camera inspections add to the cost but provide valuable information.

Should I get an inspection before buying a home?

Yes, especially for homes 20+ years old or those showing signs of plumbing issues. The inspection cost is small compared to surprise repair bills after closing.

How long does a typical inspection take?

Basic inspections take 1-2 hours. Comprehensive pre-purchase inspections may take 2-3 hours depending on home size.

Will you provide a written report?

Yes, we provide detailed written reports with photos documenting our findings and repair recommendations.

Can you inspect plumbing in condos and townhomes?

Yes, we inspect individual units and can identify potential issues with common plumbing elements.

What if you find major problems?

We'll explain the problems, their severity, and your options. For home buyers, this information helps with negotiations.

Do you pressure customers to do repairs?

Never. Our job is providing accurate information. What you do with it is your decision.

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