Looking for a cast iron pipe plumber in Ansonia, CT? Describe your project once and up to three licensed plumbers who work in Ansonia and Naugatuck Valley Planning Region get back to you with a quote. It's free and there is no obligation.
Ansonia is home to about 19,195 people (2024 Census Bureau estimate), a growing community (+1.4% since 2020). With 3,189 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.
Ansonia at a glance
- Population (Census Bureau estimate, 2024)
- 19,195 (+1.4% since 2020)
- Rank in Connecticut
- 18th of 29 cities and towns
- Land area
- 6.0 sq mi
- Population density
- 3,189 people per sq mi (suburban)
- Type
- City (Ansonia city)
- Main county
- Naugatuck Valley Planning Region
What to check before hiring in Ansonia
- Camera first: a video inspection shows where and how badly the pipe is damaged.
- License and permit: in Connecticut, 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 Ansonia
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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 Ansonia
How much does cast iron replacement cost in Ansonia, CT?
It depends on the length, the slab and the method. Describe your home: plumbers who serve Ansonia 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 Ansonia 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.