Looking for a cast iron pipe plumber in Gastonia, NC? Describe your project once and up to three licensed plumbers who work in Gastonia and Gaston County get back to you with a quote. It's free and there is no obligation.
Gastonia is home to about 85,535 people (2024 Census Bureau estimate), a growing community (+6.3% since 2020). With 1,592 people per sq mi, it is a suburban area. Homes built before the mid-1970s often still have cast iron drains reaching the end of their life.
Gastonia at a glance
- Population (Census Bureau estimate, 2024)
- 85,535 (+6.3% since 2020)
- Rank in North Carolina
- 13th of 549 cities and towns
- Land area
- 54 sq mi
- Population density
- 1,592 people per sq mi (suburban)
- Type
- City (Gastonia city)
- Main county
- Gaston County
What to check before hiring in Gastonia
- Camera first: a video inspection shows where and how badly the pipe is damaged.
- License and permit: in North Carolina, 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 Gastonia
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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 Gastonia
How much does cast iron replacement cost in Gastonia, NC?
It depends on the length, the slab and the method. Describe your home: plumbers who serve Gastonia 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 Gastonia 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.