Slab Leak Detection & Repair in Denver, CO
Denver’s Trusted Plumbing Team Since 1962
A slab leak is a water line break beneath your home’s concrete foundation. Because the pipe runs under the slab, you can’t see it, and the water doesn’t stop. Left unaddressed, a slab leak can erode soil, damage your foundation, and create conditions for mold growth. It’s a plumbing emergency that demands fast, accurate response.
Allen Service has been the name Denver and metro-area homeowners call since 1962. Third-generation brothers Jeff and Mike Allen lead a family-owned team built on six decades of reliable plumbing work, clear communication, and a commitment to doing the job right the first visit. We serve residential and commercial customers throughout Denver with 24/7 emergency response and same-day availability. Our technicians arrive in fully stocked trucks so most jobs don’t require a second trip.
Suspect a slab leak? Don’t wait for visible damage. Call Allen Service at (970) 431-6574 for same-day slab leak detection in Denver.
Why Denver Homeowners Trust Allen Service for Slab Leaks
Slab leak repair is high-stakes work, and the team you hire matters. Allen Service is fully licensed, bonded, and insured. Every technician receives ongoing training on modern plumbing systems and safety standards, and every job is backed by our 100% Satisfaction Guarantee: if the work doesn’t hold up within the one-year workmanship warranty period, we’ll rework it or refund the recoverable labor and components.
Our Allen Protection and Respect Guarantee holds every technician to a professional conduct standard on every visit: shoe coverings, protected work areas, no tobacco use on-site, and a clean home when we leave. If those standards aren’t met, you receive four years of Service Membership at no charge. Members on our Membership Rewards Plan also receive extended two-year labor and parts warranties, a two-year No-Lemon Guarantee, and priority scheduling.
When a slab leak causes secondary water or mold damage, our in-house restoration division can handle the water damage cleanup. Transparent pricing and financing options are available so cost concerns don’t delay a repair that’s already urgent.
Hear From Our Happy Customers
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“Allen Service came out promptly and saved the day for me! My 50-year-old condo needed service immediately & they delivered! I recommend this company wholeheartedly. Ask for Brian and Michael!”Drew V.
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“The company was responsive and went above and beyond. They worked through my broken sink issue and were informative along the way. Extremely polite and efficient. I would absolutely ask Allen for service again!”Dorothy G.
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“Allen has been our preferred vendor for maintenance and repairs across our entire apartment community. Their team is consistently prompt, professional, & efficient. They respond quickly, diagnose the problem accurately, & complete repairs quickly.”Alison W.
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“Zach Workman did an excellent job fixing my AC capacitor. And even gave me a very well explained run down of how AC units work, especially capacitors. This was beneficial to me as I am a tradesman myself. Highly recommend Allen Service.”Chance I.
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“I had a great experience with Allen Service when our AC stopped working. Kevin, was extremely polite and knowledgeable. He was able to diagnose and resolve the issue quickly and even provided some informative advice for us moving forward.”Jenna A.
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“Awesome service and customer care. They were stupendous! I noticed immediately how positive and energetic they were, working together as a team to rectify our issues. These young men were personable, courteous, & very informative.”Nicholas S.
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“My technician today was professional, courteous, thorough, and made everything easy to understand. My AC had stopped working and Allen was able to get someone to my house within 4 hours which was exceptional and appreciated!”Shannon M.
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“A wonderful experience with both of the technicians today. They arrived early, were pleasant, very professional, and installed an amazing unit.”Mary F.
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“Exceptional customer service from the first phone call, to scheduling, to completion of service appointment, to diagnosing the A/C not cooling properly. Extremely impressed. I will gladly be telling everyone I know to call for any of your services!”Christie S.
is Just a Click Away Colorado’s Trusted Home Service Team
Tell us what you need, and we’ll take care of the rest.
Slab Leak Repair Serving Denver & the Surrounding Metro
Allen Service provides slab leak detection and repair throughout Denver, CO and the surrounding communities. Our Denver Metro location serves homeowners and businesses in Arvada, Aurora, Broomfield, Erie, Westminster, and the broader metro area. If you’re searching for slab leak repair near me and you’re in the Denver area, our team is ready to respond.
- Allenspark
- Ault
- Aurora
- Bellvue
- Berthoud
- Boulder
- Broomfield
- Castle Rock
- Centennial
- Commerce City
- Denver
- Eaton
- Firestone
- Fort Collins
- Fort Lupton
- Gilcrest
- Greeley
- Hudson
- Jamestown
- Johnstown
- Kersey
- La Salle
- Lafayette
- LaPorte
- Longmont
- Loveland
- Lyons
- Milliken
- Niwot
- Plattville
- Severance
- Timnath
- Wellington
- Windsor
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The Help You Need
is Just a Click Away Colorado’s Trusted Home Service TeamTell us what you need, and we’ll take care of the rest. -
Allen Services
Membership Rewards Your Home’s VIP PassEnjoy routine check-ups, priority scheduling, and member-only perks that keep your home running smoothly. -
Easy Financing for
Any Budget Affordable Payments. Exceptional Service.Our financing plans make it simple to invest in your home when it matters most.
Warning Signs of a Slab Leak in Your Denver Home
Because a slab leak hides beneath your foundation, you typically notice the symptoms before you see the source. Several signs point to a leak worth investigating right away.
Watch for these indicators:
- Unexplained water bill increase without any change in usage habits
- Warm or hot spots on the floor, which may signal a leaking hot water supply line
- Running water sounds when all fixtures and appliances are off
- Damp spots, soggy flooring, or pooling water near the base of walls
- Cracks in interior walls, tile, or your foundation as water erodes or shifts soil beneath the slab
- Persistent musty odor near floors or baseboards, which may indicate mold growth
- Reduced water pressure throughout the home from a supply line losing water underground
Why Denver Homes Are Vulnerable to Slab Leaks
Denver’s geology and climate put pipes at higher risk than in many parts of the country. The Front Range is known for expansive clay soils that swell when wet and shrink when dry, placing ongoing stress on pipes embedded in or beneath the slab. Freeze-thaw cycles weaken pipe joints over time, and a hard freeze can crack a pipe that goes undetected until the spring thaw. Copper supply lines in older Denver homes are also susceptible to pinhole leaks as the metal corrodes under soil pressure.
Slab Leak Repair Methods
Once a leak is located, the repair approach depends on where the damage is, how extensive it is, and the condition of the surrounding plumbing. Three methods are commonly used.
Spot Repair (Direct Access)
A targeted section of concrete directly above the leak is opened to repair or replace a short pipe segment. This method works well when the surrounding system is in good condition and the leak location is accessible.
Pipe Re-Routing
The damaged underground section is abandoned and new pipe is run through walls, ceilings, or the attic to bypass the problem area. Re-routing is often recommended when pipes show widespread wear or the leak sits in a difficult-to-reach location.
Pipe Lining (Epoxy Coating)
A cured-in-place liner is inserted into the existing pipe, creating a new seamless interior surface without breaking the slab. This option suits smaller leaks and pipes with minor damage rather than severe failures.
