Yes. You'll file a non-resident CA return in addition to your home state MD return. Note that ALL your income is taxable by your resident state of MD, regardless of where earned. MD will give you a credit for taxes paid to a non-resident state on any income that is taxable by both states, so you won't be double-taxed.
In TurboTax, be sure to complete your non-resident return(s) before you do your home state return.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
