Family Pholcidae - Cellar spiders
This is the most common species of cellar spider in the US and are often foun around the house. These spiders are also sometimes called "Daddy longlegs", not to be confused with the 'Daddy Longlegs' Opiliones which are NOT spiders. They make irregular webs and often hang inverted in dark locations.
All images © Kim Moore (contact for use)