I believe it is . Callery pears are invasive in many areas. Their seedlings are often very thorny ; One neighbor here had to visit the ER after working on a callery pear tree and finding a thorn embedded in his hand.

https://www.aces.edu/blog/topics/forestry-wildlife/callery-pear-history-identification-and-control/

Yes - it's a Callery pear. The species is Callery pear, with 'Bradford' being a particular named horticultural selection that is propagated by grafting.

testing testing... will this post actually post?? I can't work this site anymore since the 'improvements'.

Hello. Yes, it did.

See if you can enter the site from Gardenweb instead of houzz.