Looking for a cast iron pipe plumber in Thornton, TX? Describe your project once and up to three licensed plumbers who work in Thornton and Limestone County get back to you with a quote. It's free and there is no obligation.
Thornton is home to about 427 people (2024 Census Bureau estimate), a growing community (+2.4% since 2020). With 434 people per sq mi, it is a semi-rural area. Homes built before the mid-1970s often still have cast iron drains reaching the end of their life.
Thornton at a glance
- Population (Census Bureau estimate, 2024)
- 427 (+2.4% since 2020)
- Rank in Texas
- 1,021st of 1,224 cities and towns
- Land area
- 1.0 sq mi
- Population density
- 434 people per sq mi (semi-rural)
- Type
- Town (Thornton town)
- Main county
- Limestone County
What to check before hiring in Thornton
- Camera first: a video inspection shows where and how badly the pipe is damaged.
- License and permit: in Texas, drain work is done by a licensed plumber under a permit.
- Method: ask for both lining and replacement options when possible.
- Price drivers: length, slab access, tunneling, method and restoration.
Useful official resources
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IAPMO: plumbing codes
Official information and guidance.
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NASSCO: pipeline rehabilitation
Official information and guidance.
Services available in Thornton
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Cast iron drain replacement
Replacement of cast iron drain lines with PVC, including under-slab work where needed.
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Cast iron pipe lining
Rehabilitation of cast iron drains with an epoxy or cured-in-place liner.
Frequently asked questions in Thornton
How much does cast iron replacement cost in Thornton, TX?
It depends on the length, the slab and the method. Describe your home: plumbers who serve Thornton reply with a quote.
How long does it take?
From a few days for lining to a week or more with tunneling.
Can I stay at home?
Often yes, with limited plumbing use during the work.
Which licensed plumbers will contact me?
Up to three independent licensed plumbers who serve Thornton and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.