Colorado Attorney General Phil Weiser and federal regulators filed a joint lawsuit against the largest apartment owner in the country on Thursday, accusing it of intentionally misleading tenants about the cost of its rentals.

The U.S. Federal Trade Commission and the State of Colorado have filed a complaint against Greystar, a multi-family rental property manager, alleging that it deceived consumers about rental costs with hidden fees,

U.S. property management company Greystar swindled renters across the country out of hundreds of millions using deceptive advertising and hidden fees, according to a lawsuit filed Thursday by the U.S.