Selling your abandoned house is beneficial as it is a fast transaction. This is because they offer cash for your property.Learn if and how a trespasser can end up gaining ownership over all or a portion of a California landowner's property. Our goal is to make the real estate process easy! If you want to sell your house for cash, fill out our short form to get started and close in 21 days. Look up adverse possession and pay attention to how it works. In California, a person can claim title to a piece of real property that they are not a titleholder to through adverse possession. Although the property is vacant, squatters do not have the right to squat or trespass without the owner's permission. Adverse possession demands more than just occupation of vacant property; it requires possession that mirrors ownership. It is unlawful to operate a STRO without an STRO license on or after May 1, 2023.