Amends the Illinois Human Rights Act. Provides that it is a civil rights violation, because of immigration status, to: refuse to engage in a real estate transaction or otherwise make unavailable or deny real property; alter the terms, conditions, or privileges of a real estate transaction; refuse to receive or fail to transmit a bona fide offer in a real estate transaction from a person; refuse to negotiate a real estate transaction with a person; represent to a person that real property is not available for inspection, sale, rental, or lease, fail to bring a property listing to a person's attention, or refuse to permit a person to inspect real property; make, print, circulate, post, mail, publish, or cause such actions, any notice, statement, advertisement, or sign, use a form of application for a real estate transaction, or make a record or inquiry in connection with a prospective real estate transaction that indicates any preference, limitation, or discrimination based on immigration status, or an intention to make such preference, limitation, or discrimination; offer, solicit, accept, use, or retain a listing of real property with knowledge that discrimination based on immigration status in a real estate transaction is intended; refuse to engage in loan modification services; alter the terms, conditions, or privileges of loan modification services; discriminate in making loan modification services available; solicit for sale, lease, listing, or purchase any residential real estate on the grounds of loss of value due to the present or prospective entry into the vicinity of the property involved of any person of any particular immigration status; distribute or cause to be distributed, written material or statements designed to induce any owner of residential real estate to sell or lease property because of any present or prospective changes in the immigration status of residents in the vicinity of the property involved; or intentionally create alarm by transmitting communications to induce any owner of residential real estate to sell or lease property because of any present or prospective entry into the vicinity of the property involved of any person of any particular immigration status. Provides that nothing prohibits inquiry into or the use of immigration status if the inquiry or use is otherwise required by federal law. Makes other changes.