Red House Branch is a long 1st order tributary to Tidbury Creek in Kent County, Delaware.
Red House Branch rises about 0.5 miles northwest of Derby Shores in Kent County, Delaware on the Almshouse Branch divide. Red House Branch then flows southeast to flow into Derby Pond.
Red House Branch drains of area, receives about 44.8 in/year of precipitation, has a topographic wetness index of 592.32 and is about 6.0% forested.