Complex sentence: The FHA's refusal to lend to blacks meant that they could not buy overpriced homes except on contract, but the title to a property bought on contract would not be transferred to the buyer until all contract payments had been made.
Split into simpler sentences: The FHA's refusal to lend to blacks meant that they could only buy overpriced homes on contract. But, the title to a property bought on contract would not be transferred to the buyer until all contract payments had been made.