You can get a loan, but the interest rate will be extremely high. Smaller private owned companies will work harder for you... it depends on different factors. Your job history, whether or not you have collateral, your debt to income ratio... the list goes on, but it's possible.
I bought my first house when I was 18, without a co-signer or credit... I found someone to work with me. Send a message and I'll try helping more.