The problem with buying at the wrong time is that in today’s job market, most workers end up changing companies once every 5 years. Then intention to stay for the long haul doesn’t always equate the ability to stay for the long term.
If I were you, I’d sell and try to get my money back. Then I’d rent in OC. That’s because I’m pretty bearish about prices. I believe we’ll see 2000 prices again in SD. Your decision might be different if you think that prices will hold up.
Commuting such a long way is very costly in terms of transportation costs and wear and tear on the human body.