Cast Iron Pipe Replacement Cost: $8,000-$25,000 (2026 Guide)
Get an accurate estimate for your cast iron pipe replacement. We break down costs by method, location, and pipe length—based on real quotes from 500+ Texas projects.
✓ Last updated: February 11, 2026 | Pricing verified with Texas plumbing contractors
Cost Summary
Texas Cast Iron Pipe Replacement Cost Calculator
Get an instant estimate for your project. Actual costs may vary based on specific conditions.
Project Details
Average home: 50-100 ft of main sewer line
Your Estimate
* This is an estimate only. Get free quotes from verified Texas 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 Texas specialists provide free, no-obligation estimates.
Cost Breakdown by Service Type
| Service | Cost Range |
|---|---|
| Camera Inspection Video assessment of pipe condition | $150-$350 |
| Spot Repair Fix isolated damage section | $800-$3,500 |
| Partial Replacement 10-30 feet of pipe | $3,000-$8,000 |
| Full Replacement (Trenchless) Entire drain system, minimal digging | $6,000-$15,000 |
| Full Replacement (Traditional) Entire drain system with excavation | $10,000-$25,000 |
| Under-Slab Replacement Pipes beneath concrete foundation | $15,000-$30,000 |
* Prices based on 2026 Texas market data. Actual costs vary by location, accessibility, and complexity.
Trenchless vs Traditional: Cost Comparison
Trenchless
$6,000-$15,000
What's Included:
- ✓ Pipe lining or bursting
- ✓ Camera inspection (before/after)
- ✓ Access point excavation (2 small holes)
- ✓ Minimal restoration
- ✓ Permits
Best For:
- • Pipes still structurally intact
- • Preserving landscaping
- • Under-slab pipes
- • Faster completion (1-2 days)
Traditional
$10,000-$25,000
What's Included:
- ✓ Full excavation trenches
- ✓ Old pipe removal & disposal
- ✓ New PVC/ABS installation
- ✓ Backfill & compaction
- ✓ Basic restoration
Best For:
- • Collapsed or severely damaged pipes
- • Changing pipe layout/routing
- • Adding cleanouts
- • When trenchless isn't viable
Hidden Costs to Watch For
Concrete Cutting & Repair
$1,500-$5,000If pipes run under your slab foundation
Flooring Restoration
$500-$3,000Replacing tile, hardwood, or carpet after repairs
Landscaping Restoration
$500-$2,500Replanting grass, trees, or shrubs disturbed by excavation
Permit Fees
$75-$500Required in most Texas cities for plumbing work
Cleanout Addition
$200-$800Adding access points for future maintenance
Drywall Repair
$300-$1,500If pipes run through walls that need opening
💡 Pro Tip: Get Itemized Quotes
Always ask for itemized quotes that break down pipe work, permits, and restoration separately. This helps you compare apples-to-apples and avoid surprise costs.
How to Pay for Cast Iron Pipe Replacement
💰 Financing Options
- ✓Plumber Financing: 0% APR for 12-24 months
- ✓Home Equity: 6-8% APR, tax-deductible
- ✓Personal Loan: 7-15% APR, quick approval
- ✓0% APR Credit Card: 15-21 month intro period
🏦 Grants & Assistance
- ✓FHA 203(k): Roll into mortgage
- ✓City Programs: Up to $30k for low-income
- ✓USDA Loans: 1% interest for rural areas
- ✓Insurance: May cover water damage
Frequently Asked Questions
How much does cast iron pipe replacement cost?
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Is trenchless pipe replacement cheaper than traditional?
Does insurance cover cast iron pipe replacement cost?
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