Most of us already know about these disgusting pests. The valley has a few different types of these which include the German roach, american roach, brown banded, and oriental roach. The american roach is also known as the sewer roach, and is generally found on the exterior of the home near water sources. American roaches do not typically come inside a home unless they are searching for food. The German roach is the worst of these pests, as they may be carrying diseases such as salmonella, e-coli and streptococcus and are also known to cause infestations. They usually take multiple treatments in order to completely eliminate the problem. Free inspections available for best identification of the type of cockroaches at your home.