This page maps released version of HTCondor to their build IDs, which may be useful when responding to problem reports. Note that while the build ID increases monotonically within a release series, a release from an earlier series may have a larger build ID than a release from a later series.

Build ID HTCondor Version 
  498525  
  8.8.8    
  503068  
  8.8.9    
  504263  
  8.9.7    
  513586  
  8.8.10   
  513887  
  8.9.8    
  521488  
  8.8.11   
  521769  
  8.9.9    
  524104  
  8.8.12   
  524105  
  8.9.10

These build IDs has been confirmed by downloading the tarball (for RedHat 7 or CentOS 7) and running condor_version.