StarCraft Custom Builder has Kingston rated as an average 5-6 out of 10 for quality. Here is an overall review of the company.

You won't know what it is going to look like under the vanity until you look. Remove the toe kick if possible. Or cut a good sized hole in the bottom of the vanity. Or remove it altogether. Other clues are looking to see if the flooring has obviously been installed around the vanity--not likely but certainly possible.

I woukd rate KB much lower than a 5. Personal experience, several times. It’s trying for a knockoff look to a custom designer level product. Not going to be long lived.

All of the plumbing will need to be redone to use a console rather than a vanity with the pipes concealed. Pipes can be ugly inside a vanity. They cannot be ugly when you have exposed piping.

I have a kingston brass faucet and everytime i use it i get reminded of how i was swindled. everything you dont see or touch is cheap plastic. I thought because it was a little expensive it was good quality - no! i couldnt return it without paying a crazy restock fee and shipping and the finish is coming off even though i havent had it very long and i dont use harsh cleaners. stay away from this company and its products. nothing about them are kingston nor brass.

@Stephanie Sorry to hear that ! Thank you  I appreciate it !  I just came on here because I was regretting my decision about not purchasing that sink but I said thank you  for reminding me