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Replace Cast Iron Pipes in Austin, TX

Get free quotes from licensed Austin plumbers. Compare prices, read reviews, and find the best specialist for your project.

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JD
SM
RK
12 homeowners requested quotes in Austin today
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Last updated: February 11, 2026 | Pricing verified with 10 Austin specialists

Austin Cast Iron Pipe Replacement: 2026 Cost Guide

Cast iron pipe replacement in Austin costs $8,000-$25,000 for most homes. The average Austin homeowner pays $12,000-$18,000. 65% of Austin replacements use trenchless methods.

$8k-$25k
Full Replacement Cost
$12k-$18k
Average Cost
65%
Use Trenchless
1-3 days
Typical Timeline

Austin Cast Iron Pipe Statistics (2026)

68%
of Austin homes built before 1990 have cast iron pipes
35 years
average age of Austin homes with cast iron (built 1960s-1990s)
60-100 ft
typical pipe length in Austin homes
⚠️ Warning Signs

Signs You Need to Replace Cast Iron Pipes in Austin

Austin homes built before 1985 in neighborhoods like Tarrytown, Allandale, Travis Heights, and Hyde Park often have cast iron pipes that are 40-75 years old—past their expected lifespan. Watch for these warning signs:

🚿

Frequent Drain Clogs

Multiple drains backing up simultaneously indicates widespread pipe damage

👃

Sewage Odors

Sulfur or rotten egg smells signal cracks in your cast iron sewer line

🐌

Slow Drains Throughout House

All drains affected (not just one) points to main line issues

💧

Wet Spots in Yard

Unexplained soggy areas near your sewer line path

🏠

Foundation Issues

Leaking cast iron pipes can cause soil shifting and cracks

🐀

Pest Problems

Cockroaches and rats can enter through cracked sewer pipes

If you notice these signs, schedule a cast iron pipe camera inspection ($200-$400) immediately.

💰 Free Tool

Austin Cast Iron Pipe Replacement Cost Calculator

Get an instant estimate for your project. Actual costs may vary based on specific conditions.

Project Details

50 ft

Average home: 50-100 ft of main sewer line

Your Estimate

Estimated Total Cost
$9,000 - $21,000
($180 - $420 per linear foot)
Pipe Length50 ft
Access Difficultymoderate
Timelinenormal
Methodtraditional
LocationAustin, TX

* This is an estimate only. Get free quotes from verified Austin specialists for accurate pricing based on your specific situation.

💡 Pro Tip: Always Get Multiple Quotes

Prices can vary significantly between contractors. We recommend getting at least 3 quotes to ensure you're getting a fair price. Our verified Austin specialists provide free, no-obligation estimates.

📊 2026 Pricing Data

Austin Cast Iron Pipe Replacement Costs by Home Size

Updated February 2026 based on 47 recent Austin projects

Home SizeMethodAustin Average Cost
1,200 sq ftTrenchless$10,000-$14,000
1,800 sq ftTrenchless$14,000-$20,000
2,500 sq ftTraditional$18,000-$25,000

Replacement Methods & Costs Per Foot

MethodCost/Foot
CIPP Lining$80-$150/ft
Pipe Bursting$100-$200/ft
Traditional Excavation$150-$250/ft

Additional Costs to Consider:

  • Camera Inspection: $200-$400 (recommended first)
  • City of Austin Permit: $150-$300 (included in most quotes)
  • Limestone Excavation: +$2,000-$5,000 if bedrock is hit
  • Yard Restoration: $500-$2,000 (traditional method only)
✅ Verified Projects

Recent Cast Iron Pipe Projects in Austin

47 projects completed this month by our verified specialists

JD
📍 Travis Heights, Austin
2 days ago
Type
Full replacement
Length
75 ft
Method
Trenchless
Quick turnaround and minimal disruption to our yard. Very happy with the results!
SM
📍 Allandale, Austin
5 days ago
Type
Partial replacement
Length
40 ft
Method
Traditional
Professional team, fair pricing. Highly recommend!
RK
📍 Hyde Park, Austin
1 week ago
Type
Full replacement
Length
90 ft
Method
Trenchless
Great work on a complex job. Our 1960s home is now modernized.
AL
📍 Tarrytown, Austin
1 week ago
Type
Camera inspection + repair
Length
25 ft
Method
Spot repair
Found the exact problem and fixed it same day. Saved us thousands!

Ready to start your project? Get free quotes from Austin's top specialists.

⭐ Verified Specialists

Top Austin Cast Iron Pipe Replacement Companies (2026)

10 verified plumbers who specialize in cast iron pipe replacement in the Austin metro area. All companies are licensed, insured, and background-checked.

Same-Day Appointments Available
3 specialists have openings today

Abacus Plumbing has been serving Austin since 2003, specializing in under-slab plumbing repairs for homes with cast iron pipes. Their licensed plumbers handle slab leak detection, under-slab tunneling, and complete drain line replacement using electronic leak detection equipment. BBB accredited with 24/7 emergency service availability.

✓ Licensed✓ InsuredTrenchless
  • under-slab plumbing
  • cast iron replacement
  • slab leak repair
📍 Serves: Austin, Round Rock, Cedar Park, Georgetown

ABC Home & Commercial Services has been family-owned and serving Austin since 1949 — over 75 years of trusted service. Their licensed Master Plumber-supervised team handles cast iron pipe issues using video technology to diagnose sewer line obstructions. Available 24/7 for emergencies with a one-year guarantee on parts and labor.

✓ Licensed✓ Insured
  • cast iron replacement
  • sewer line repair
  • video inspection
📍 Serves: Greater Austin area
Featured Partner
Accurate Leak and Line logo

Accurate Leak and Line

4.6(64 reviews)

Accurate Leak and Line has been Central Texas's trusted cast iron pipe specialist since 2002. Texas-certified plumbers deliver expert cast iron repair, replacement, and maintenance using both traditional excavation and advanced trenchless methods. Their state-of-the-art leak detection includes video camera inspections, hydrostatic testing, and static leak isolation testing.

✓ Licensed✓ InsuredTrenchless
  • cast iron pipe repair
  • cast iron replacement
  • trenchless plumbing
📍 Serves: Austin, Cedar Park, Round Rock, Pflugerville
ATX Plumbing logo

ATX Plumbing

4.7(220 reviews)

ATX Plumbing serves the greater Austin area with over 100 years of combined team experience. Led by Master Plumber Paul Rueda (MPL #46044), they specialize in diagnosing and repairing plumbing issues in older homes with cast iron pipes, offering video inspection and comprehensive sewer line services.

✓ Licensed✓ Insured
  • cast iron services
  • sewer lines
  • video inspection
📍 Serves: Austin, Greater Austin

Auger Pros Plumbing & Drain delivers expert cast iron pipe replacement and slab leak repair services throughout Austin's 78704 area and surrounding communities. With a stellar 4.9-star rating from over 320 customers, their licensed plumbers specialize in advanced leak detection and comprehensive repiping solutions for aging homes. Trust their proven expertise for reliable drain cleaning, sewer line repairs, and complete plumbing system diagnostics.

✓ Licensed✓ Insured
  • slab leak repair
  • leak detection
  • repiping
📍 Serves: Austin

Benjamin Franklin Plumbing of Central Austin provides reliable plumbing services including cast iron pipe repair and sewer line work. Known for their punctuality guarantee ('If there's any delay, it's you we pay'), their experienced licensed plumbers serve the greater Austin area with professional, on-time service.

✓ Licensed✓ Insured
  • cast iron repair
  • sewer repair
  • repiping
📍 Serves: Austin, Round Rock, Cedar Park, Leander

Beyond Wow Plumbing (formerly S & D Plumbing) has proudly served the Austin community since 1980 — over 40 years of trusted service. Their Gold Collar Team specializes in leak detection for older homes with cast iron systems, backed by industry-leading warranties and thousands of 5-star reviews.

✓ Licensed✓ Insured
  • cast iron services
  • leak detection
  • sewer repair
📍 Serves: Austin, Cedar Park, Leander, Pflugerville

Bluefrog Plumbing + Drain of North Austin specializes in cast iron pipe replacement and trenchless sewer line services for Austin-area homes with aging plumbing systems. With a 4.7-star rating from over 230 customers, their licensed professionals provide comprehensive drain cleaning, water heater installation, and emergency plumbing repairs throughout the greater Austin region. Their expertise in video inspections and modern trenchless technology makes them a trusted choice for homeowners dealing with old pipe infrastructure.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • sewer line replacement
  • drain cleaning
📍 Serves: Austin
BP

Borg Plumbing

4.5(15 reviews)

Borg Plumbing is highly recommended by Austin homeowners for cast iron pipe replacement under foundations. Known for amazingly quick turnaround on complex under-slab projects, they specialize in tunneling to replace corroded cast iron drain pipes. Multiple Reddit recommendations cite their quality work on foundation plumbing.

✓ Licensed✓ Insured
  • cast iron replacement
  • under-foundation plumbing
  • tunneling
📍 Serves: Austin, Central Texas
Central Texas Plumbing logo

Central Texas Plumbing

4.7(210 reviews)

Central Texas Plumbing serves the Austin area with specialized repiping and cast iron pipe replacement services, earning an impressive 4.7-star rating from over 210 customers. Their comprehensive plumbing solutions include trenchless pipe replacement, emergency repairs, and complete home repiping for aging cast iron systems. Texas-licensed professionals deliver reliable service from drain cleaning to complex sewer line repairs throughout the 78751 area and surrounding communities.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • repiping
📍 Serves: Austin

Christianson Air Conditioning & Plumbing has served Central Texas since 1950 — over 70 years of experience. Their plumbing division handles cast iron pipe issues, sewer services, and comprehensive drain solutions for older homes. A trusted name in Round Rock and Austin with experienced technicians.

✓ Licensed✓ Insured
  • cast iron services
  • sewer service
  • drain cleaning
📍 Serves: Round Rock, Austin, Georgetown, Pflugerville

Daniel's Plumbing & Air Conditioning has completed over 100 slab tunneling projects across Texas, specializing in cast iron pipe replacement under slab foundations. They tunnel beneath foundations to replace corroded cast iron with PVC piping, working with structural engineers to maintain foundation integrity. Transferable warranty included on all tunneling work.

✓ Licensed✓ Insured
  • sub-slab tunneling
  • cast iron replacement
  • slab leak detection
📍 Serves: Austin, Round Rock, Cedar Park, Georgetown
Eco Plumbers logo

Eco Plumbers

4.8(175 reviews)

Eco Plumbers serves the Austin area (78731) with 4.8-star rated plumbing services specializing in cast iron pipe replacement and trenchless sewer line repair. Their experienced team handles complex repiping projects and sewer line installations without the need for extensive excavation, backed by 175+ satisfied customer reviews.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • repiping
📍 Serves: Austin
Economy Plumbing logo

Economy Plumbing

3.5(126 reviews)

Economy Plumbing provides residential and commercial plumbing services throughout Austin, Marble Falls, and Central Texas. Known as 'The Plumbers That Care,' they offer prompt, professional service for homes with cast iron pipe issues, including drain cleaning, leak detection, and sewer repairs.

✓ Licensed✓ Insured
  • cast iron services
  • trenchless repair
  • drain cleaning
📍 Serves: Austin, Cedar Park, Marble Falls, Leander
Fox Service Company logo

Fox Service Company

4.8(2,104 reviews)

Fox Service Company provides 24/7 emergency plumbing services throughout Greater Austin. Their licensed and insured technicians handle plumbing challenges specific to Austin's older homes, including cast iron pipe issues caused by hard water and foundation movement. Personalized maintenance plans available.

✓ Licensed✓ Insured
  • cast iron services
  • sewer repair
  • drain cleaning
📍 Serves: Austin, Cedar Park, Hutto, Leander
GP

Gardenhouse Plumbing

4.7(89 reviews)

Gardenhouse Plumbing provides dedicated cast iron repiping services throughout Austin and Kyle. Their team inspects aging cast iron systems and provides long-term solutions that restore performance and prevent recurring issues. They address frequent leaks, pipe bursts, unpleasant odors, and visible corrosion with modern PVC replacement.

✓ Licensed✓ Insured
  • cast iron repiping
  • cast iron replacement
  • sewer repair
📍 Serves: Austin, Kyle, Buda, South Austin
Good Clean Plumbing logo

Good Clean Plumbing

4.6(110 reviews)

Good Clean Plumbing serves Lago Vista and the greater Austin area with comprehensive plumbing services including cast iron pipe repair and replacement. They offer emergency services, sewer repair, and drain cleaning for residential customers in the Lake Travis area.

✓ Licensed✓ Insured
  • cast iron services
  • sewer repair
  • drain cleaning
📍 Serves: Lago Vista, Austin, Cedar Park, Leander
Kinsey Plumbing Services logo

Kinsey Plumbing Services

4.6(185 reviews)

Kinsey Plumbing Services addresses sewer problems in Austin homes with corroded cast iron pipes. Their plumbers perform sewer camera inspections to identify deteriorated areas and recommend either repair or full sewer line replacement. They handle misaligned, collapsed, cracked, and broken pipes with expertise in older home plumbing systems.

✓ Licensed✓ Insured
  • cast iron replacement
  • sewer repair
  • sewer camera inspection
📍 Serves: Austin, Round Rock, Georgetown, Pflugerville
Kyle Plumbing Pros logo

Kyle Plumbing Pros

4.6(140 reviews)

Kyle Plumbing Pros serves the Austin area with specialized expertise in cast iron pipe replacement and trenchless slab leak repairs. With a 4.6-star rating from 140+ customers, their licensed technicians handle complex repiping projects throughout TX 78640 and surrounding communities. Known for advanced trenchless solutions that minimize property damage during cast iron sewer line replacements.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • slab leak repair
  • leak detection
📍 Serves: Austin
LT

Len The Plumber

4.6(890 reviews)

Len The Plumber serves Austin area homeowners with expert cast iron pipe replacement and trenchless sewer line repair services. With a 4.6-star rating from 890+ customers, their licensed technicians specialize in repiping solutions that minimize yard disruption while addressing aging underground infrastructure. Same-day emergency service available for urgent sewer line failures and slab leaks throughout the 78758 area.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • sewer line replacement
  • drain cleaning
📍 Serves: Austin

Mojica Plumbing has been Austin's trusted family-owned plumber since 1976 — nearly 50 years of experience. Their Master Plumber-trained technicians specialize in drain cleaning, sewer line services, and plumbing for older homes with cast iron systems. Known for quality workmanship and serving both residential and commercial properties.

✓ Licensed✓ Insured
  • cast iron services
  • drain cleaning
  • sewer lines
📍 Serves: Austin, North Austin, Central Austin

Mr. Rooter Plumbing of Austin specializes in trenchless sewer line repair for homes with cast iron pipes. They offer pipe relining, epoxy coating, and cast iron pipe coating to restore aging systems without extensive digging. Their UV-cured pipe lining provides up to 50 years of protection, while epoxy coatings prevent rust buildup for 35+ years.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • cast iron coating
  • pipe relining
📍 Serves: Austin, Round Rock, Cedar Park, Georgetown
North Austin Plumbing logo

North Austin Plumbing

4.5(165 reviews)

North Austin Plumbing brings over 100 combined years of professional plumbing experience to the 78757 area and surrounding Austin communities, specializing in complete sewer line replacement for aging cast iron pipes. Their Master Plumber-led team offers free consultations and video inspections to diagnose issues before recommending solutions, earning a 4.5-star rating from 165+ satisfied customers.

✓ Licensed✓ Insured
  • sewer line replacement
  • drain cleaning
📍 Serves: Austin
Parobek Plumbing logo

Parobek Plumbing

4.9(3,803 reviews)

Parobek Plumbing serves the Austin and Bastrop areas with a 4.9-star rating from 380+ customers, specializing in cast iron pipe replacement and slab leak detection. Their comprehensive services include repiping installations, hydro jetting, and trenchless sewer line solutions for aging residential plumbing systems. Texas homeowners trust Parobek's licensed plumbers for transparent diagnostics and reliable pipe replacement services.

✓ Licensed✓ Insured
  • slab leak repair
  • leak detection
  • repiping
📍 Serves: Austin
Patriot Plumbing logo

Patriot Plumbing

4.7(185 reviews)

Patriot Plumbing serves the Austin area with 4.7-star rated plumbing services, specializing in cast iron pipe replacement and comprehensive repiping solutions for aging homes. Their Texas-licensed team combines expert plumbing repairs with full bathroom and kitchen remodeling services, delivering functional and beautiful spaces with professional installation guaranteed.

✓ Licensed✓ Insured
  • repiping
📍 Serves: Austin
Peanut Plumbing, LLC logo

Peanut Plumbing, LLC

4.5(85 reviews)

Peanut Plumbing is a local Austin plumbing company serving the greater Austin area with cast iron pipe repair, trenchless sewer solutions, and drain cleaning services. They offer honest pricing and quality workmanship for residential plumbing needs.

✓ Licensed✓ Insured
  • cast iron services
  • trenchless repair
  • sewer repair
📍 Serves: Austin, Cedar Park, Leander, Pflugerville
Plumb & Order logo

Plumb & Order

4.8(165 reviews)

Plumb & Order specializes in sewer line replacement for Austin homes with aging cast iron, clay, or Orangeburg pipes. Using high-resolution sewer cameras and trenchless repair methods like pipe bursting and CIPP lining, they replace deteriorating pipes with durable PVC. Their team provides customized replacement plans with minimally invasive techniques.

✓ Licensed✓ InsuredTrenchless
  • cast iron replacement
  • sewer line replacement
  • trenchless repair
📍 Serves: Austin, Cedar Park, Leander, Pflugerville
Plumbing Outfitters logo

Plumbing Outfitters

4.7(165 reviews)

Plumbing Outfitters brings over 50 years of combined plumbing experience to the Austin area. Their professional craftsmen handle sewer and drain issues in homes with aging cast iron systems. Known for transparency, neighborly service, and 100% satisfaction commitment.

✓ Licensed✓ Insured
  • cast iron services
  • drain cleaning
  • repiping
📍 Serves: Austin, Cedar Park, Hutto, Leander
PlumbPros logo

PlumbPros

4.8(95 reviews)

PlumbPros provides specialized under-slab tunneling services to repair or replace damaged cast iron pipes beneath concrete slab foundations. Based in Georgetown, they serve the greater Austin area with minimally invasive access to sewer and water lines. Their plumbers offer free estimates and adhere to the highest standards of workmanship.

✓ Licensed✓ Insured
  • under-slab tunneling
  • cast iron replacement
  • pipe repair
📍 Serves: Georgetown, Austin, Round Rock, Cedar Park
Featured Partner

Radiant Plumbing & Air Conditioning has been Austin's most-awarded plumbing company with over 20 years of experience. Their Texas-licensed plumbers specialize in sewer line replacement for homes with aging cast iron pipes, offering both traditional excavation and trenchless options. Voted Best Plumber in Austin multiple years running, they're available 24/7 for emergencies.

✓ Licensed✓ InsuredTrenchless
  • cast iron replacement
  • trenchless sewer repair
  • sewer line replacement
📍 Serves: Austin, Round Rock, Cedar Park, Pflugerville
Reliable Plumbing Austin logo

Reliable Plumbing Austin

4.7(185 reviews)

Reliable Plumbing Austin delivers expert sewer line replacement and repiping services throughout the Austin area, specializing in aging cast iron pipe systems that plague many Texas homes. With a 4.7-star rating from 185+ customers, their licensed plumbers provide comprehensive solutions from leak detection to complete home repiping for lasting results.

✓ Licensed✓ Insured
  • sewer line replacement
  • drain cleaning
  • repiping
📍 Serves: Austin
Reliant Plumbing logo

Reliant Plumbing

4.5(438 reviews)

Reliant Plumbing provides 24/7 expert plumbing services across Austin with a focus on sewers and drains. Their licensed plumbers use high-tech camera inspections, snakes, and augers to diagnose cast iron pipe issues, ensuring repairs or replacements are efficient and minimally invasive. Satisfaction guaranteed.

✓ Licensed✓ Insured
  • cast iron services
  • sewer repair
  • drain cleaning
📍 Serves: Austin, Cedar Park, Leander, Pflugerville

Repipe Specialists is America's #1 provider of whole home repipes with over 75,000 homes completed since 1991. Their Austin team specializes in replacing deteriorating cast iron and clay sewer pipes with modern PVC, completing most jobs in 1-2 days. TX License #42223 Master Plumber with lifetime workmanship warranty.

✓ Licensed✓ Insured
  • cast iron replacement
  • whole home repipe
  • sewer pipe replacement
📍 Serves: Austin, Round Rock, Cedar Park, Georgetown

Roto-Rooter Austin provides 24/7 emergency plumbing services with 4.4-star ratings from 680+ customers across neighborhoods like Tarrytown, East Austin, and Barton Hills. Their licensed plumbers specialize in cast iron sewer line replacement and trenchless pipe repair, addressing Austin's aging infrastructure challenges with decades of proven experience and transparent pricing.

✓ Licensed✓ InsuredTrenchless
  • trenchless sewer repair
  • sewer line replacement
  • drain cleaning
📍 Serves: Austin

Strand Brothers Service Experts has been Austin's trusted plumbing and HVAC company since 1978. They specialize in residential plumbing including cast iron pipe services, drain cleaning, and sewer line repairs. Part of the Service Experts national network while maintaining local, personalized care.

✓ Licensed✓ Insured
  • cast iron services
  • drain cleaning
  • sewer repair
📍 Serves: Austin, Round Rock, Georgetown, Pflugerville

Superior Plumbing Solutions serves the Austin area with comprehensive plumbing services, specializing in cast iron pipe replacement and repair for aging residential systems. With a 4.8-star rating from 140+ customers, their experienced technicians handle everything from old pipe inspections to complete sewer line installations. Trust their proven expertise for reliable solutions to your cast iron pipe challenges in the TX 78613 area and surrounding communities.

✓ Licensed✓ Insured
  • sewer repair
  • drain cleaning
  • general plumbing
📍 Serves: Austin

Texas Drains is Austin's drain cleaning, repair, and installation expert specializing in tunneling under slab foundations for cast iron pipe replacement. They follow main lines and branch lines throughout your sewer system, removing and replacing all affected piping with new plumbing supported by hangers every 3-6 feet.

✓ Licensed✓ Insured
  • tunneling
  • cast iron replacement
  • sewer repair
📍 Serves: Austin, Central Texas
Featured Partner
The Plumbinator LLC logo

The Plumbinator LLC

4.9(99 reviews)

The Plumbinator is a family-owned Austin plumbing company that specializes in cast iron sewer pipe repair and replacement. With over 20 years of experience and a dedicated cast iron repair page, they offer honest diagnostics, expert leak detection, and tunneling under slab foundations. Known for transparent pricing and thorough camera inspections before any work begins.

✓ Licensed✓ Insured
  • cast iron pipe repair
  • cast iron replacement
  • sewer line repair
📍 Serves: Round Rock, Austin, Cedar Park, Pflugerville
💰 Transparent Pricing

Austin Cast Iron Pipe Replacement Service Costs

Average costs by service type (2026 Austin market pricing)

ServiceCost
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
$8,000 - $25,000
Full Replacement (Trenchless)
Trenchless cast iron pipe replacement, minimal digging
$12,000 - $30,000

* Prices based on 2026 Austin market data from 47 recent projects. Actual cost to replace cast iron pipes varies based on home size, pipe accessibility, and complexity. Get free quotes for an accurate estimate.

Cast Iron Pipe Replacement in Cedar Park, Round Rock & Georgetown

Our 10 verified cast iron pipe specialists serve the entire Austin metro area

Cast Iron Pipe Replacement Cedar Park

  • • Homes built 1970-1990 commonly have cast iron
  • • Average cost: $8,000-$18,000
  • • Same 10 licensed specialists as Austin
View Cedar Park Specialists →

Cast Iron Pipe Replacement Round Rock

  • • Many 1980s homes with aging cast iron
  • • Trenchless options popular for landscaping
  • • Fast 24-48 hour quote turnaround
View Round Rock Specialists →

Cast Iron Pipe Replacement Georgetown

  • • Historic district homes often have cast iron
  • • Permit requirements similar to Austin
  • • Senior discounts available
View Georgetown Specialists →

Austin Cast Iron Pipe Replacement FAQ (2026)

Common questions about cast iron pipe replacement costs, methods, and timelines in Austin, TX

Cast iron pipe replacement in Austin costs $8,000-$25,000 for most homes in 2026. The average Austin homeowner pays $12,000-$18,000. Trenchless methods (pipe bursting or lining) cost $12,000-$30,000 and complete in 1-2 days. Traditional excavation costs $8,000-$25,000 and takes 3-5 days. Factors affecting cost: home size (1,200-2,500 sq ft), pipe length (60-100 feet typical), foundation type (90% slab), and soil conditions (Austin's limestone bedrock).

Approximately 68% of Austin homes built before 1990 have cast iron drain pipes. Neighborhoods with the highest concentration include Tarrytown, Allandale, Hyde Park, Travis Heights, Zilker, and Crestview—all built primarily between 1950-1980. These cast iron pipes are now 35-75 years old, past their expected 50-year lifespan, making replacement a growing concern for Austin homeowners.

Top-rated Austin cast iron pipe replacement companies include: Accurate Leak and Line (trenchless specialists since 2002), Radiant Plumbing (4.9★, 500+ reviews), ABC Home & Commercial Services (serving Austin since 1949), Reliant Plumbing (highly recommended on Reddit), and Mr. Rooter Plumbing of Austin (50-year warranty on pipe lining). All are licensed, insured, and offer free estimates.

Yes, trenchless pipe replacement is especially worthwhile in Austin. 65% of Austin cast iron replacements now use trenchless methods (vs. 45% nationally). Benefits: preserves landscaping, completes in 1-2 days (vs. 3-7 days), and avoids costly limestone excavation. While trenchless costs 10-20% more upfront ($12,000-$30,000 vs. $8,000-$25,000), it saves on yard restoration and minimizes disruption.

Key warning signs you need cast iron pipe replacement: (1) Multiple drains backing up simultaneously, (2) Sewage smell (sulfur/rotten egg) in your home, (3) Slow drains throughout the house, (4) Wet spots in your yard near sewer lines, (5) Foundation cracks from leaking pipes, (6) Increased pest activity (cockroaches, rats entering through pipe cracks). If your Austin home was built before 1990, schedule a camera inspection ($200-$400) if you notice any of these symptoms.

The City of Austin requires a plumbing permit for cast iron pipe replacement, costing $150-$300. Austin Building Code Chapter 25-12 governs plumbing work. Permit requirements include: (1) Licensed plumber must pull permit, (2) Inspection required before backfill, (3) Final inspection after completion. Your plumber handles all permit paperwork—the cost is typically included in their quote.

Cast iron pipe replacement timeline in Austin: Trenchless methods (pipe bursting/lining) take 1-2 days for most homes. Traditional excavation takes 3-5 days, sometimes up to 7 days for complex projects. Factors affecting timeline: pipe accessibility, foundation type (slab vs. crawlspace), pipe length, and whether limestone excavation is needed. Same-day emergency repairs are available from several Austin specialists.

Austin sits on a limestone bedrock shelf, which significantly impacts excavation costs. When traditional dig-and-replace methods hit limestone, specialized equipment (rock saws, jackhammers) is required, adding $2,000-$5,000 to the project. This is why 65% of Austin cast iron replacements use trenchless methods—they bypass limestone entirely, saving time and money. Ask your plumber about soil conditions before choosing a method.

Sources & References:

  • • City of Austin Building Code Chapter 25-12 (Plumbing)
  • • Austin Water Utility Guidelines 2025
  • • Travis County Building Permits Database
  • • Texas State Board of Plumbing Examiners
  • • Pricing data from 47 verified Austin projects (January-February 2026)

Ready to Replace Cast Iron Pipes in Austin?

Get free quotes from 10 verified Austin specialists. Compare prices and reviews. Average cost: $12,000-$18,000.