What Is the Average Cost to Repair a Slab Leak in Concrete?

There isn’t a single “average” price for slab leak repair. Cost depends on leak location, access through concrete, pipe length, and the repair method. We confirm pricing after an on-site diagnostic. Our diagnostic visit is $179 and is waived with an approved repair. We use flat-rate, up-front pricing that includes parts, labor, code compliance, testing, and clean-up. Gold Care Club members get 15% off repairs and no after-hours diagnostic fee. We serve homes in Garden City, NY and across Nassau County. <br/> Updated: 2025-12-27 00:00:00 <br/> Need help in Garden City, NY? Call (516) 200-4014 or book online. "Gold Star responded quickly to my leak problem." — Barbara Y. Internal link: See our Leak Detection & Pipe Repair page. https://goldstar-plumbing.com/leak-detection-and-pipe-repair