1213.What rental income must be included in calculating earnings?
Rental income you receive from real estate does not count for Social Security purposes unless:
You receive rental income in the course of your trade or business as a real estate dealer (see §§1214-1215);
Services are rendered primarily for the convenience of the occupant of the premises (see §1218); or
In the case of farm rental income, you materially participate in the production or in the management of the production of farm commodities on land rented to someone else. (See §§1221-1232.)