Water Line Replacement Cost in Dallas, TX— Transparent Pricing & Expert Repair
If you’re dealing with a water line leak, low water pressure, or flooding in your yard, you may need water line replacement. As with slab leaks, the price depends on the pipe material, location, depth, and damage.
At Texas Slab Leaks LLC, we provide clear, upfront pricing with no hidden fees — all backed by 30+ years of plumbing experience and repairs led by Master Plumber Michael Blue (RMP 36580).
📞 For a fast estimate, call: (469) 352-6031
Same-day leak detection available.
Average Cost of Water Line Replacement in Dallas
Here is the exact cost breakdown:
Spot Repair (Small Section)
$450 – $1,200
Best for small leaks, shallow lines, or isolated damage.
Partial Water Line Replacement
1,200 – $2,800
Ideal for older pipes with multiple weak sections.
Trenchless Water Line Replacement (When Applicable)
$2,900 – $6,500
Faster installation, minimal digging.
Under-Slab Water Line Replacement (Hot or Cold)
$3,700 flat (PEX Reroute)
This avoids breaking the foundation.
Tunneling for Under-Slab Replacement
$4,200 for first 10 ft + $250 per additional ft
Best when leak is deep under the home.
Full Main Water Line Replacement
$2,800 – $5,500+
Price depends on:
- Length of run
- Depth of pipe
- Soil conditions
- Location of the break
- Landscaping / concrete in the way
What Affects the Cost of Water Line Replacement?
Prices vary depending on:
1. Pipe Material
Dallas homes commonly have:
• Copper
• PVC
• PEX
• Galvanized pipe (older homes)
Copper and galvanized replacements cost more.
2. Depth of Water Line
Shallow lines = cheaper
Deep lines = more excavation and price
3.Location of the Leak
Costs increase if the line runs:
✔ Under concrete
✔ Under landscaping
✔ Beneath the driveway
✔ Near the street tap
4. Soil Conditions in Dallas
North Texas clay soil shifts — increasing complexity for repairs.
5. Length of the Water Line
Longer runs = more materials and labor.
How We Diagnose Water Line
Replacement Needs
Before recommending replacement, we perform:
Pressure Testing
Electronic leak detection
Camera Inspection
Visual assessment of pipe condition
Soil/moisture evaluation
Price: $325 Flat — No Upselling, No Hidden Fees.
Hot Water Slab Leak Repair Options
Depending on your home and budget, we offer the following solutions:
1. PEX Reroute (Most Common) — $3,700 Flat
We reroute the water line above the slab using insulated PEX.
Best for:
✔ Under-slab water line leaks
✔ Homes with repeated slab leaks
✔ Corroded copper lines
This avoids foundation damage entirely.
2. Full Main Line Replacement — $2,800–$5,500+
We replace the entire water line from the meter to the home.
Best when:
✔ Multiple leaks are present
✔ Pipe material is outdated
✔ You want long-term reliability
We install:
✔ Heavy-duty PVC
✔ Copper (if preferred)
✔ PEX (in certain situations)
3. Spot Repairs — $450–$1,200
Good for:
✔ One small leak
✔ Newer systems
✔ Shallow repairs
4. Tunneling Under the Slab — $4,200+
Used when leak is deep beneath the foundation.
Benefits:
✔ Protects home flooring
✔ Prevents interior mess
✔ Allows full pipe access
5. Trenchless Replacement (When Possible) — $2,900–$6,500
Minimal yard disturbance.
Not always available due to soil and layout.
Signs You May Need Water Line Replacement
✔ Low water pressure
✔ Water pooling in yard
✔ Sudden high water bills
✔ Discolored or rusty water
✔ Constant cycling of water meter
✔ Recurring leaks
✔ Old copper or galvanized lines
✔ Moisture around foundation
If you’re seeing these signs, a replacement may be the smartest option.
Why Choose Texas Slab Leaks LLC?
With hundreds of successful slab leak repairs, we’re one of the most trusted local specialists in DFW.
Transparent & Honest Pricing
No hidden fees, no surprises.
30+ Years Leak Detection Experience
We know Dallas plumbing systems inside and out.
Master Plumber on Every Job
RMP 36580 ensures top-tier craftsmanship.
Honest Recommendations
We only replace when necessary.
Advanced Leak Detection Included
Accurate locating reduces repair cost.
Local and Family-Owned
Trusted by homeowners across Dallas–Fort Worth.
Service Areas — Water Line Replacement in DFW
• Dallas • Plano • Richardson • Garland • Carrollton • Frisco • McKinney • Allen • Mesquite • Rockwall • Irving • Lewisville • Addison • Coppell • Arlington • Fort Worth
If you’re in DFW — we can replace your water line safely and affordably.
Get a Water Line Replacement Estimate Today
Don’t guess the cost — get a licensed professional who explains everything clearly.
- Call Texas Slab Leaks LLC: (469) 352-6031
- Request a Water Line Replacement Quote Online
Available 7 days a week.