Does a 501c3 ever expire?
There are requirements that must be followed. If you have performed the proper filings and are current with taxes you may be in compliance. In California you can go to the California Business Portal online and check your status. The site also has extensive information that explains everything you need to know about your 501(c)3. The entity does not expire, your status can, by not filing reports properly in a timely manner and paying taxes and renewal fees.