Licensed Well and Septic Contractors in Delaware

220 licensed well and septic pros in Delaware, sourced from official state licensing records. Browse by city or request free quotes.

GroundRoster aggregates official state licensing rosters for water-well and septic (onsite wastewater) professionals into one searchable directory, refreshed regularly.

Browse Delaware by city

Permits and official Delaware resources

Do I need a permit for well or septic work in Delaware? ›

• Delaware DNREC - Septic system permits
• Delaware DNREC - Well permits

Where this Delaware data comes from

• Delaware DNREC - licensed on-site wastewater treatment and disposal system licensees · official source
• Delaware DNREC - licensed water well and pump installer contractors · official source
• Delaware DNREC - licensed water well and pump installer contractors + Delaware DNREC - licensed on-site wastewater treatment and disposal system licensees · official source
• NJDEP DataMiner - Well Drilling Companies · official source