The season is pretty much all but over, but keep an eye out for your local chapter's events:
http://www.nccbmwcca.org/index.php?index
Also, the SCCA holds events in your area:
http://www.wdcr-scca.org/SoloAutocro...6/Default.aspx
Classing for SCCA Solo events (assuming your car is stock) puts you in D-Stock (DS).