Houses for sale in Oceanside from the MLS and FSBO sources. Create your own search by following this link to view adjacent areas in San Diego and Orange Counties + earn the Home Bay refund of 50% of the buyer agent commission. Oceanside is lovely, and purchasing their is highly competitive. You need the Home Bay savings to maximize your chances in a bidding war. Every time a new Oceanside home hits the MLS or Coming Soon, we will deliver it to you.