I performed a lot of property preservation in Northern Virginia and never ran across a rat. For about a 2-week period, I crossed the Potomac River and performed some property preservation in Washington, DC. I discovered that DC is infested with rats … some as big as small cats. I decided that it was not worth my time to have to deal with rats in DC. I learned my lesson on DC.
Avoid property preservation in rat infested areas. It is very unhealthy. READ MORE about the dangerous diseases carried by rats. Avoid rate infested areas.