
San Francisco Slab Leak Detection
Reliable Plumbing Contractor Serving San Mateo
When homeowners notice a recent spike in their water bills even when their water usage habits haven’t changed, it might be a sign of a slab leak. Since slab leaks can cause extensive damage to a home in a very short timeframe, it’s important to find a San Francisco slab leak detection and repair professional as soon as possible. At Nigel Mulgrew Plumbing, we’re available for same-day service, ensuring our customers get the help they need when they need it.
Our knowledgeable team is standing by to assist you. Call (415) 857-9980 or send us a message online for dependable slab leak solutions for your home or business. Contact us today!
How to Perform a Water Leak Test
Homeowners who are looking for further confirmation that there’s a leak on their property may wish to perform a simple test. First, check the reading on the water meter. Next, keep all the water taps turned off for two hours. Finally, look at the meter again. If the numbers have advanced, it’s almost certainly due to a water leak.
While this method provides initial insight, it's critical to understand the limitations of DIY tests. Sometimes leaks are intermittent or occur below the slab, rendering them undetectable by basic methods. For a comprehensive assessment, it is advisable to schedule a professional inspection from Nigel Mulgrew Plumbing.
Prevent Costly Water Damage with Our Professional Leak Detection
Slab leaks can cause extensive damage to your home and lead to costly repairs if left undetected. Our team at Nigel Mulgrew Plumbing offers professional slab leak detection services in San Francisco to identify and repair any leaks. Using advanced tools and techniques, we can pinpoint the source of the leak without causing unnecessary damage to your property.
If left untreated, leaks can compromise the structural integrity of a home, leading to mold growth, foundation issues, and more. Early intervention not only preserves your property but also reduces repair costs significantly.
Benefits of Professional Leak Detection Services:
- Early Detection of Leaks To Prevent Water Damage - Detecting leaks early helps in minimizing damage and reduces repair costs.
- Potential Savings on Water Bills – Efficient slab leak detection San Francisco helps curtail unnecessary water wastage.
- Preservation of Your Home's Structural Integrity – Prompt repairs prevent the weakening of foundations and other structures.
- Peace of Mind Knowing Your Home is Protected – Assures continuous monitoring and safeguarding against potential leaks.
Don't wait until it's too late - schedule a professional slab leak detection service with the plumbers at Nigel Mulgrew Plumbing today to safeguard your San Francisco home against water damage.
What to Do if You Discover a Leak in Your Home
When a leak is discovered, the first course of action is to turn off the emergency shut-off valve to stop the flow of water from the main supply line. This valve is typically located inside a house near where the main water line enters the home. The shut-off valve will either be a gate valve (looks like a lever) or a ball valve (has a round handle).
In either case, the valve should be moved to the off position before dealing further with the leak. The next step is to soak up any water that has pooled on floors or other accessible areas to prevent property damage. Finally, call a plumber in San Francisco who offers same-day slab leak detection and repair services.
Immediate action upon discovering a slab leak can mitigate further damage. Familiarize yourself with the location and operation of water valves before an emergency arises. Knowing how to act swiftly in these situations ensures that you can minimize potential damage effectively.
Nigel Mulgrew Plumbing is the company to trust for quality slab leak detection and repair in San Francisco. Call us today at (415) 857-9980 to get your leaks resolved quickly by our experienced plumbers.


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Signs of a Slab Leak
Often, slab leaks are hidden and go unnoticed until it’s too late. Unless a person has received proper training and has the necessary equipment, it can be difficult to know when there’s a leak on the property. Fortunately, there are several warning signs that a slab leak is occurring somewhere in the house.
The most common indications of a slab leak include:
- Bad odors in a house, specifically around drains
- Dirty or rusty water
- The sound of running water when taps are off
- Water bills are rising inexplicably
Beyond these signs, look out for visible corrosion on plumbing fixtures, yellowish stains on ceilings, or mold and mildew growth, which thrive in moist environments. Such indicators warrant professional investigation to prevent extensive damage and health risks posed by prolonged exposure to mold.
- Damp spots on walls and floors
- Unusual dampness or coloration of the soil
- Pooling of water on the lawn
- Cracks in the concrete or foundation
- An abnormally lush and green lawn
- A sudden drop in water pressure
Once the signs of a slab leak have been spotted, it’s time to call our professional plumbers. We have the right tools to accurately diagnose the source of the issue and provide the best repairs.
Our team evaluates soil moisture abnormalities that might suggest underground leaks. Additionally, unexplained lush patches on your lawn can indicate a pipeline breach. Addressing these hidden concerns promptly can avert significant damage, especially when considering the intricate network of pipes beneath a property.