Replace Cast Iron Pipes Alamo Heights
- • Historic 1920s-1950s homes most affected
- • Average cost: $10,000-$30,000
- • 8 local specialists available
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Replace Cast Iron Pipes in San Antonio, TX
Get free quotes from licensed San Antonio 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 San Antonio today
Last updated: February 11, 2026 | Pricing verified with San Antonio specialists
San Antonio Cast Iron Pipe Replacement: 2026 Cost Guide
Cast iron pipe replacement in San Antonio costs $8,000-$25,000 for most homes. The average San Antonio homeowner pays $11,000-$17,000. 58% of San Antonio replacements use trenchless methods.
$8k-$25k
Full Replacement Cost
$11k-$17k
Average Cost
58%
Use Trenchless
1-3 days
Typical Timeline
San Antonio Cast Iron Pipe Statistics (2026)
66%
of San Antonio homes built before 1985 have cast iron pipes
42 years
average age of San Antonio homes with cast iron (built 1950s-1980s)
55-95 ft
typical pipe length in San Antonio homes
San Antonio's Limestone & Clay Create Unique Pipe Challenges
San Antonio sits on the Edwards Plateau with limestone bedrock and expansive clay, especially south of downtown. This combination stresses cast iron pipes: limestone makes traditional excavation expensive, while clay expands/contracts seasonally. Historic neighborhoods like Alamo Heights, Monte Vista, King William, and areas near military bases often have pipes 50-80 years old. If your home was built before 1980, schedule an inspection.
⚠️ Warning Signs
Signs You Need to Replace Cast Iron Pipes in San Antonio
San Antonio homes built before 1980 in neighborhoods like Alamo Heights, Terrell Hills, Olmos Park, Monte Vista, and King William often have cast iron pipes that are 45-80 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
San Antonio's limestone and clay mix + leaking pipes = serious problems
🌳
Tree Root Problems
Mature oaks and pecans seeking water often invade aging cast iron pipes
If you notice these signs, schedule a cast iron pipe camera inspection immediately.
💰 Free Tool
San Antonio 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
$8,550 - $19,950
($171 - $399 per linear foot)
Pipe Length50 ft
Access Difficultymoderate
Timelinenormal
Methodtraditional
LocationSan Antonio, TX
* This is an estimate only. Get free quotes from verified San Antonio 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 San Antonio specialists provide free, no-obligation estimates.
📊 2026 Pricing Data
San Antonio Cast Iron Pipe Replacement Costs by Home Size
Updated February 2026 based on 38 recent San Antonio projects
| Home Size | Method | San Antonio Average Cost |
|---|---|---|
| 1,200 sq ft | Trenchless | $9,500-$13,500 |
| 1,800 sq ft | Trenchless | $13,500-$19,000 |
| 2,500 sq ft | Traditional | $17,000-$25,000 |
Replacement Methods & Costs Per Foot
| Method | Cost/Foot |
|---|---|
| CIPP Lining | $75-$145/ft |
| Pipe Bursting | $95-$195/ft |
| Traditional Excavation | $145-$260/ft |
Additional Costs to Consider:
- • Camera Inspection: $200-$400 (recommended first)
- • San Antonio City Permit: $150-$300 (included in most quotes)
- • Limestone Excavation: +$2,500-$6,500 if bedrock is encountered
- • Yard Restoration: $500-$2,000 (traditional method only)
✅ Verified Projects
Recent Cast Iron Pipe Projects in San Antonio
47 projects completed this month by our verified specialists
JD
📍 Travis Heights, San Antonio
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, San Antonio
5 days ago
Type
Partial replacement
Length
40 ft
Method
Traditional
“Professional team, fair pricing. Highly recommend!”
RK
📍 Hyde Park, San Antonio
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, San Antonio
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 San Antonio's top specialists.
⭐ Verified Specialists
Top San Antonio Cast Iron Sewer Line Specialists
Verified plumbers who specialize in cast iron pipe replacement in the San Antonio metro area. All companies are licensed, insured, and background-checked.
Same-Day Appointments Available
20 specialists have openings today
⭐ Featured Partner
Rosenberg Plumbing & Air
4.9(2,521 reviews)
Rosenberg Plumbing & Air provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 2521+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 503-7388
⭐ Featured Partner
Shafer Services Plus
4.9(2,225 reviews)
Shafer Services Plus provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 2225+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 227-8358
⭐ Featured Partner
1st Call Plumbing & AC
4.9(1,935 reviews)
1st Call Plumbing & AC provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 1935+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 446-0200
⭐ Featured Partner
Anchor Plumbing Services
4.9(1,662 reviews)
Anchor Plumbing Services provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 1662+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 468-8890
⭐ Featured Partner
Mr. Plumber Plumbing Co.
4.8(1,540 reviews)
Mr. Plumber Plumbing Co. provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.8-star rating from 1540+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 684-7010
⭐ Featured Partner
Chambliss Plumbing Company
5(1,406 reviews)
Chambliss Plumbing Company provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 5-star rating from 1406+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 802-2439
⭐ Featured Partner
1-Tom-Plumber
5(1,324 reviews)
1-Tom-Plumber provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 5-star rating from 1324+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (726) 226-2235
⭐ Featured Partner
Big City Plumbing, LLC
4.9(1,113 reviews)
Big City Plumbing, LLC provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 1113+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 499-1010
⭐ Featured Partner
Tietze Plumbing, Heating and Air
4.8(1,131 reviews)
Tietze Plumbing, Heating and Air provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.8-star rating from 1131+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 688-3350
⭐ Featured Partner
San Antonio Plumbing
4.8(1,032 reviews)
San Antonio Plumbing provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.8-star rating from 1032+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 520-3333
⭐ Featured Partner
PlumbSmart
4.9(1,004 reviews)
PlumbSmart provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 1004+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 810-0810
Roto-Rooter Plumbing & Water Cleanup
4.8(979 reviews)
Roto-Rooter Plumbing & Water Cleanup provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.8-star rating from 979+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 822-8054
bluefrog Plumbing and Drain of San Antonio
4.7(856 reviews)
bluefrog Plumbing and Drain of San Antonio provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.7-star rating from 856+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 960-8685
TT
The Trenchless Co.
4.8(761 reviews)
The Trenchless Co. provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.8-star rating from 761+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (916) 455-4433
Diamond Plumbing Inc
4.9(700 reviews)
Diamond Plumbing Inc provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 700+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 967-6100
AP
Ambition Plumbing & Drain Services
5(588 reviews)
Ambition Plumbing & Drain Services provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 5-star rating from 588+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 209-3510
George Plumbing Co.
4.9(554 reviews)
George Plumbing Co. provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 554+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 740-0748
Air & Drain Works
4.9(539 reviews)
Air & Drain Works provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 539+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 239-9445
Premier PROS Plumbing & HVAC
4.9(538 reviews)
Premier PROS Plumbing & HVAC provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.9-star rating from 538+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 879-1754
Reliant Plumbing - San Antonio
4.8(546 reviews)
Reliant Plumbing - San Antonio provides professional plumbing services throughout San Antonio and surrounding areas, specializing in cast iron pipe replacement, sewer line repair, and trenchless plumbing solutions. With a 4.8-star rating from 546+ customers, they're a trusted choice for homeowners dealing with aging cast iron pipes.
✓ Licensed✓ Insured
- cast iron replacement
- sewer line repair
- trenchless repair
📍 Serves: San Antonio, Alamo Heights, Stone Oak, Medical Center
Company Phone: (210) 468-8020
💰 Transparent Pricing
San Antonio Cast Iron Pipe Replacement Costs
Average costs to replace cast iron pipes in the San Antonio area (2026 pricing)
| Service | Cost |
|---|---|
| Camera Inspection Video inspection to assess cast iron pipe condition | $175 - $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 tunneling | $10,000 - $25,000 |
| Full Replacement (Trenchless) Trenchless cast iron pipe replacement, minimal digging | $12,000 - $35,000 |
* Prices based on 2026 San Antonio market data. Actual cost to replace cast iron pipes varies based on home size, pipe accessibility, and San Antonio's limestone/clay soil conditions. Get free quotes for an accurate estimate.
Replace Cast Iron Pipes in New Braunfels, Boerne & More
Our verified cast iron pipe specialists serve the entire San Antonio metro area
Replace Cast Iron Pipes Stone Oak
- • 1980s-1990s homes affected
- • Trenchless options preserve yards
- • Same-day quotes available
Replace Cast Iron Pipes New Braunfels
- • Historic downtown & older homes
- • Growing city with aging infrastructure
- • 24/7 emergency service
Replace Cast Iron Pipes Boerne
- • Hill Country limestone challenges
- • Highly-rated local plumbers
- • Cast iron to PVC specialists
San Antonio Neighborhoods We Cover
Cast iron pipe replacement services throughout the San Antonio metro area
San Antonio Neighborhoods
Surrounding Cities
San Antonio Cast Iron Pipe Replacement FAQ (2026)
Common questions about cast iron pipe replacement costs, methods, and timelines in San Antonio, TX
The cost to replace cast iron pipes in San Antonio ranges from $150-$900 per linear foot depending on the method used. For a typical San Antonio home, full cast iron sewer line replacement costs $10,000-$25,000 with traditional excavation (tunneling), or $12,000-$35,000 for trenchless pipe bursting/lining. A camera inspection to assess your cast iron pipe condition costs $175-$400. Many San Antonio plumbers offer free quotes and financing options.
Yes! Homes built in San Antonio between 1945-1980 very commonly have cast iron drain pipes. Neighborhoods like Alamo Heights, Terrell Hills, Olmos Park, Monte Vista, King William, and the areas around Fort Sam Houston and Lackland AFB are particularly likely to have cast iron sewer lines. If your San Antonio home was built before 1980 and you haven't had the pipes replaced, there's a good chance you have cast iron that's now 45-80 years old.
Common signs you need cast iron pipe replacement in San Antonio include: frequent drain clogs affecting multiple fixtures, sewage odors (sulfur/rotten egg smell), slow drains throughout the house, wet spots in your yard near the sewer line, foundation cracks from leaking pipes, and pest problems (cockroaches, rats entering through cracks). San Antonio homeowners should also watch for slab leak indicators like warm spots on floors or unexplained water bill increases.
San Antonio sits on the Edwards Plateau with a mix of limestone bedrock and expansive clay soil, especially on the south and east sides. This combination creates challenges: the limestone can make excavation difficult and expensive, while the clay soil expands and contracts with moisture, stressing cast iron pipe joints. This is why trenchless methods are popular in San Antonio—they often bypass these soil challenges entirely.
The City of San Antonio and CPS Energy require permits for plumbing work that involves replacing drain lines or cast iron sewer pipes. Permit costs typically range from $85-225 depending on the scope of work. Licensed San Antonio plumbers handle all permit paperwork, scheduling, and city inspections for you—the permit cost is usually included in their quote for cast iron pipe replacement.
Trenchless cast iron pipe replacement in San Antonio uses minimally invasive methods to replace your sewer line without digging up your yard. The two main methods are: pipe bursting (breaking the old cast iron while pulling new pipe through) and pipe lining/CIPP (inserting a resin-coated liner that hardens inside the old pipe). Trenchless replacement costs $12,000-$35,000 in San Antonio but saves your landscaping and typically completes in 1-2 days versus a week for traditional tunneling.
San Antonio neighborhoods with the most cast iron pipe problems are those built between 1945-1980 with older housing stock: Alamo Heights, Terrell Hills, Olmos Park, Monte Vista, King William, Tobin Hill, Mahncke Park, Government Hill, and areas near military bases like Fort Sam Houston and Lackland. These areas have homes 45-80 years old with original cast iron sewer lines that are past their expected lifespan.
Yes, many San Antonio plumbers offer financing options for cast iron pipe replacement projects. Common options include 0% interest for 12-24 months, low monthly payment plans, and same-as-cash financing. Some San Antonio plumbing companies also accept credit cards. Since cast iron pipe replacement costs $10,000-$35,000, financing makes this essential repair more manageable for San Antonio homeowners.
Sources & References:
- • City of San Antonio Building Code Chapter 34 (Plumbing)
- • Bexar County Building Permits Database
- • Texas State Board of Plumbing Examiners
- • Edwards Plateau Limestone & Soil Guidelines
- • Pricing data from 38 verified San Antonio projects (January-February 2026)
Ready to Replace Cast Iron Pipes in Your San Antonio Home?
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