Ben Mulley was sent off in the 61st minute with the scores level at 1-1.
Villa fall to sixth after promotion rivals Uxbridge and Hartley Wintney pick up huge wins.
Goals from Sam Merson and Sam Mead gave Villa our fifth straight league win.
A superb second-half strike from George Wells gave Farnham Town their first home defeat of the season.
A dramatic 94th-minute winner from substitute Alex Body gave Villa a 3-2 win on a cold and rainy day at Moneyfields.
For more than 40 years, Harrow Borough piled their trade in the seventh tier of English football. But after a torrid 2023/24 season in the Southern League Premier South led…