Looking for a cast iron pipe plumber in DeForest, WI? Describe your project once and up to three licensed plumbers who work in DeForest and Dane County get back to you with a quote. It's free and there is no obligation.
DeForest is home to about 12,260 people (2024 Census Bureau estimate), a growing community (+13.5% since 2020). With 1,302 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.
DeForest at a glance
- Population (Census Bureau estimate, 2024)
- 12,260 (+13.5% since 2020)
- Rank in Wisconsin
- 81st of 607 cities and towns
- Land area
- 9.4 sq mi
- Population density
- 1,302 people per sq mi (suburban)
- Type
- Village (DeForest village)
- Main county
- Dane County
What to check before hiring in DeForest
- Camera first: a video inspection shows where and how badly the pipe is damaged.
- License and permit: in Wisconsin, 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 DeForest
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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 DeForest
How much does cast iron replacement cost in DeForest, WI?
It depends on the length, the slab and the method. Describe your home: plumbers who serve DeForest 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 DeForest 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.