This looks fruitless:

https://www.google.ru/#newwindow=1&q=Jon+Montroll%2C+741+Sparrow+Drive%2C+Fort+Worth%2C+Texas+

but we get him and his neighbors:

http://www.city-data.com/tarrant-county/S/Sparrow-Drive-4.html

His name is "Jon Montroll" but it seems that the mis-spelling of his last name as in "Jon Montrol" is almost encouraged in order to create a different and separate digital record and identity.