If you have investment properties, you know that providing good rental property maintenance is important for keeping tenants happy and property values. Most of the time, simply taking ongoing care of properties goes a long way toward keeping them in excellent condition.  Unfortunately, even the best maintenance plan doesn't always mean you can avoid emergencies. For example, a water heater could still quit working without warning, or a strong storm could take a couple of shingles off the roof and create a leak.  Understanding what counts as an emergency and what doesn't can help you and your tenants have a better relationship. Here's what you need to know about handling maintenance emergencies in Chester County and the surrounding areas.