Replace Cast Iron Pipes Katy
- • Older homes in Old Town Katy affected
- • Average cost: $8,000-$18,000
- • Local specialists available
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Last updated: February 11, 2026 | Pricing verified with 35 Houston specialists
Cast iron pipe replacement in Houston costs $10,000-$30,000 for most homes. The average Houston homeowner pays $14,000-$22,000. 62% of Houston replacements use trenchless methods.
Houston's heavy clay soil swells when wet and shrinks when dry, putting extreme stress on rigid cast iron pipes. Combined with our humidity, subsidence, and flood history, Houston homes experience faster cast iron deterioration than most Texas cities. If your home was built before 1975, schedule an inspection.
Houston homes built before 1975 in neighborhoods like The Heights, River Oaks, Bellaire, Meyerland, and West University Place often have cast iron pipes that are 50+ years old—past their expected lifespan. Watch for these warning signs:
Multiple drains backing up simultaneously indicates widespread pipe damage
Sulfur or rotten egg smells signal cracks in your cast iron sewer line
All drains affected (not just one) points to main line issues
Unexplained soggy areas near your sewer line path
Houston's gumbo soil + leaking pipes = serious foundation problems
Unusually green grass indicates sewage fertilizing your yard
If you notice these signs, schedule a cast iron pipe camera inspection immediately.
Get an instant estimate for your project. Actual costs may vary based on specific conditions.
Average home: 50-100 ft of main sewer line
* This is an estimate only. Get free quotes from verified Houston specialists for accurate pricing based on your specific situation.
Prices can vary significantly between contractors. We recommend getting at least 3 quotes to ensure you're getting a fair price. Our verified Houston specialists provide free, no-obligation estimates.
Updated February 2026 based on 52 recent Houston projects
| Home Size | Method | Houston Average Cost |
|---|---|---|
| 1,200 sq ft | Trenchless | $12,000-$16,000 |
| 1,800 sq ft | Trenchless | $16,000-$24,000 |
| 2,500 sq ft | Traditional | $22,000-$30,000 |
| Method | Cost/Foot |
|---|---|
| CIPP Lining | $90-$160/ft |
| Pipe Bursting | $110-$220/ft |
| Traditional Excavation | $160-$280/ft |
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Verified plumbers who specialize in cast iron pipe replacement in the Houston metro area. All companies are licensed, insured, and background-checked.

Accurate Leak and Line specializes in cast iron pipe replacement in Houston. With over two decades of experience, they provide trenchless solutions and full diagnostics for homes in Memorial, The Heights, and Southwest Houston. Licensed and insured with expert knowledge of Houston's gumbo soil challenges.
Company Phone: (713) 766-4696

Nick's Plumbing has been serving Houston families for over 45 years. Family-owned and operated, they handle cast iron pipe replacement, sewer line services, and comprehensive drain solutions. Named 2023 Neighborhood Favorite by Nextdoor. Licensed and insured.
Company Phone: (713) 868-9907

Zoom Drain Houston specializes exclusively in drain and sewer solutions, including cast iron pipe replacement. Their technicians receive consistent 5-star reviews for professionalism and efficiency. Services include hydro jetting, drain cleaning, and pipe descaling for cast iron systems.
Company Phone: (832) 906-4271

Herrera Plumbing Service offers cast iron drain pipe repair throughout Houston and surrounding areas. They provide camera inspections with cloud-shared videos for insurance claims. Service areas include Humble, Spring, The Woodlands, Katy, Sugar Land, Pasadena, and Baytown.
Company Phone: (832) 712-6995

Santhoff Plumbing Company has over 40 years of experience in Houston. They provide 24/7 broken pipe repair, hydrostatic testing, and leak detection services. Master plumbers on staff handle cast iron pipe issues and repiping services for older homes. Licensed #7948.
Company Phone: (713) 665-4997
Abacus Plumbing offers emergency 24/7 drain and sewer services throughout the Greater Houston metroplex. Their sewer line services include hydrostatic testing, camera inspections, and cast iron pipe cleaning. Fully licensed and insured with same-day service available.
Company Phone: (713) 766-3605

Texas Master Plumber specializes in sewer replacement for Houston homes with aging cast iron pipes. They use self-leveling sewage cameras to diagnose problems and provide honest assessments. Master Plumbers certified and trained, bonded and insured. Angies List Super Service Award winner.
Company Phone: (832) 478-6267

Power Plumbing Services has over 35 years of experience in Houston. They specialize in main water line repair and replacement, addressing challenges from Houston's clay-heavy soil. Expert in handling corroded cast iron and galvanized pipes in older neighborhoods. Licensed and insured.
Company Phone: (346) 415-6111

Roto-Rooter provides 24/7 plumbing and drain services throughout Houston. They handle sewer backups, cast iron pipe issues, and offer trenchless sewer repair options. Available 365 days a year with fast response times. Nationally backed with local service.
Company Phone: (713) 472-5554

Capital Care Plumbing has spent over 20 years serving Katy, Cypress, Richmond, and surrounding areas. Available 24/7 with same-day appointments. Services include sewer line repair, water line replacement for cast iron and copper pipes, and full repiping services.
Company Phone: (281) 693-0006

Mock Plumbing Repairs is a veteran-owned company serving Sugar Land and beyond. They use state-of-the-art equipment for sewer line repair and replacement, yard drainage, and water line installation. Known for honest service and fair pricing. License #42411.
Company Phone: (281) 508-5991

Graham Plumbing Services is family-owned, serving Sugar Land and Metro Houston. Owner Bryan Graham puts his name on every job. They handle cast iron pipe replacement, sewer services, and comprehensive residential plumbing for homes built before the 1980s.
Company Phone: (281) 302-6710

Red One Plumbing is a locally owned, highly rated emergency plumbing company in Pearland. Not a franchise - just hardworking locals delivering top-quality service. 150+ 5-star Google reviews. Services Pearland, Friendswood, Clear Lake, Alvin, and Manvel. Licensed, insured, and background-checked.
Company Phone: (281) 967-3130

Santana Bros Plumbing specializes in upgrading cast iron pipes to PVC for Houston and Pearland homeowners. Services include sewer line repair, whole house repipe, drain cleaning, and clogged drain repair. Expert in handling collapsed and root-damaged pipes.
Company Phone: (713) 352-9478
Solution Plumbing serves The Woodlands, Tomball, and greater Houston. They offer sewer pipe video inspections, free estimates, and specialize in older home plumbing. Honest employees, insured and bonded with senior discounts available.
Company Phone: (281) 259-3100

Hugo Plumbing is a full-service plumbing company serving Houston residential and commercial customers. BBB accredited with a commitment to charitable work in the community. Services include water heater repair, pipe repair and replacement, and sewer services for cast iron systems.
Company Phone: (832) 304-3896
Perot Plumbing, founded in 1987, exclusively helps residential customers in Bellaire and Houston. Services include water, gas, and sewer line replacement and repair for cast iron pipes. Video camera drain tracking available. License #17909.
Company Phone: (713) 660-9021

Founded in 2000, The Katy Plumbing Company provides seasoned plumbing help for Katy homeowners. Services include drain cleaning, hydro jetting, video inspections, and backflow testing. Licensed #36673, insured for peace of mind.
Company Phone: (281) 857-5233

Bluefrog Plumbing + Drain of West Houston serves residential and commercial clients with drain cleaning, sewer and water line services. They handle historic homes with cast iron plumbing issues. Available 24/7 for emergency services. License #43333.
Company Phone: (832) 804-7121
GAP Plumbing Inc. serves Kingwood and surrounding communities with residential and commercial plumbing. Services include leak detection, toilet repair, slab leak repair, and bath/kitchen remodeling plumbing. License #38727.
Company Phone: (281) 358-0808
Pioneer Plumbing and Septic offers complete plumbing solutions for Humble, Crosby, and surrounding areas. Services include under slab leak repair, sewer and septic line repair, and emergency services. License #39613.
Company Phone: (281) 548-3242

Joe the Plumber serves Cypress and greater Houston with hydro jetting, camera inspections, and general plumbing. Services include cast iron pipe diagnostics and sewer line service for older homes. License #13044.
Company Phone: (281) 373-4900

Space City Plumbing serves League City and the Clear Lake area with residential and commercial plumbing. Expert in handling older homes with cast iron and clay pipes. Professional service with licensed technicians. License #39158.
Company Phone: (281) 986-7000
Village Plumbing & Air provides sewer line inspection and cleaning for Houston homeowners. They diagnose broken and collapsed lines, especially in older homes with cast iron or clay piping. Camera inspections and sewer backups handled professionally.
Company Phone: (281) 970-8755

URETEK ICR Gulf Coast specializes in complex under slab repairs and plumbing reroutes. Since 2000, they have helped Houston homeowners with leak detection, drain and sewer line cleaning, and repiping services. Master plumber supervised. License #40364.
Company Phone: (281) 769-9900
Average costs to replace cast iron pipes in the Houston area (2026 pricing)
| Service | Cost |
|---|---|
| Camera Inspection Video inspection to assess cast iron pipe condition | $200 - $400 |
| Spot Repair Fix localized damage in cast iron sewer line | $800 - $3,500 |
| Partial Replacement Replace damaged sections of cast iron pipes | $5,000 - $15,000 |
| Full Replacement (Traditional) Complete cast iron pipe replacement with excavation | $12,000 - $30,000 |
| Full Replacement (Trenchless) Trenchless cast iron pipe replacement, minimal digging | $15,000 - $40,000 |
* Prices based on 2026 Houston market data. Actual cost to replace cast iron pipes varies based on home size, pipe accessibility, and Houston's clay soil conditions. Get free quotes for an accurate estimate.
Our verified cast iron pipe specialists serve the entire Houston metro area
Cast iron pipe replacement services throughout the Houston metro area
Common questions about cast iron pipe replacement costs, methods, and timelines in Houston, TX
The cost to replace cast iron pipes in Houston ranges from $150-$1,000 per linear foot depending on the method. For a typical Houston home, full cast iron sewer line replacement costs $8,000-$20,000 with traditional excavation, or $12,000-$30,000 for trenchless methods. Houston's 'gumbo' clay soil and high water table can increase costs compared to other Texas cities. A camera inspection costs $200-$400. Many Houston plumbers offer free quotes and financing options.
Yes! Homes built in Houston before the mid-1970s very commonly have cast iron drain pipes. Neighborhoods like The Heights, River Oaks, Bellaire, Meyerland, West University Place, and the Memorial Villages are particularly likely to have cast iron sewer lines. If your Houston home was built before 1975 and you haven't had the pipes replaced, there's a good chance you have cast iron that's now 50+ years old—well past its typical 50-year lifespan.
Houston's infamous 'gumbo' clay soil is extremely hard on cast iron pipes. This heavy clay swells dramatically when wet and shrinks when dry, putting enormous stress on rigid cast iron pipes. This constant movement causes cracking, low spots ('bellies'), and joint separation. Combined with Houston's high humidity and frequent heavy rainfall, cast iron pipes corrode faster in Houston than in many other cities.
Common signs you need cast iron pipe replacement in Houston include: frequent drain clogs affecting multiple fixtures, sewage odors (sulfur/rotten egg smell), slow drains throughout the house, wet spots in your yard, foundation cracks from leaking pipes, and pest problems (cockroaches, rats entering through cracks). Houston homeowners should also watch for bright green patches of lawn (indicating sewage leaks) and unexplained soggy areas after heavy rains.
The City of Houston requires permits through Houston Public Works for major sewer line work, including cast iron pipe replacement. The permit ensures work is performed by a licensed plumber registered with the City of Houston, uses approved materials, and is inspected to verify code compliance. Licensed Houston plumbers handle all permit paperwork and scheduling for you.
Houston neighborhoods with the most cast iron pipe problems are those built between 1950-1975 with older housing stock: The Heights, River Oaks, Bellaire, Meyerland, West University Place, Memorial Villages (Spring Valley, Piney Point), Montrose, and parts of Southwest Houston. These areas have homes 50-75 years old with original cast iron sewer lines that are past their expected lifespan.
Trenchless cast iron pipe replacement in Houston uses minimally invasive methods to replace your sewer line without extensive excavation. The two main methods are: pipe bursting (breaking the old cast iron while pulling new pipe through) and pipe lining (inserting a resin-coated liner). Given Houston's challenging clay soil and frequent flooding, trenchless methods are popular as they reduce disruption and often complete faster than traditional excavation.
During tropical storms and major rain events, Houston's drainage can become overwhelmed, forcing water back into residential sewer lines. This puts immense pressure on aging cast iron pipes and can expose existing cracks or weak points, leading to sewage backups. If your Houston home has experienced flooding, have your cast iron pipes inspected—flood pressure can accelerate deterioration of already aging systems.
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