





Wolff Underground proudly serves Appleton, Green Bay, Oshkosh, Neenah, Menasha, and surrounding Wisconsin communities. Since 1995, our family‑owned team has delivered trusted sewer repair, drain cleaning, and excavation services — available 24/7 when you need us most.
Appleton, Wisconsin, United States
24/7: 920-738-1880 | Office: 920-438-9215 info@wolffunderground.com
Our Direct Line Is Available 24/7.
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Now accepting credit & debit cards (no fees).
Wolff Underground
Appleton, Wisconsin, United States
Copyright © 2025 Wolff Underground - All Rights Reserved.
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