Local residents described the downpour as torrential. Fire crews said there had been no rain at their fire station just a couple of miles away in York, but they were confronted with several inches of standing water in homes and gardens when they arrived at Badger Hill.
On Saturday, flash floods hit Flaxton, Stockton-on-the-Forest and Haxby, less than five miles from the scene of Sunday's deluge. North Yorkshire Fire and Rescue say they have been very busy, but the flooding is localised.
Environment Agency plans for new flood defences to protect Northallerton have been submitted to Hambleton District Council.
Roads have been closed and water is being pumped from houses across the Calendar region after heavy downpours.
Fire crews have pumped out a number of homes and businesses in villages near York after flash floods on Saturday afternoon.