Do they make a quick attach off-set closet flange? I need about 1/2 inch clearance in the back so my tank will fit properly and not leak. I just replace the floor and do not want to rip everything out to fix the problem. Just looking for the easy solution. Any help would be appreciated.

No, but you should be able to slide the toilet forward the needed 1/2" as there is some play in setting a toilet. Try setting the toilet and then sliding forward a bit and then tighten things up...should work!

Mark

Don't forget to leave about 1/4" of play in the tank bolts. If you tighten them down tight the tank could crack the first time someone leans back. Good luck, Tom