This study aims to propose reliable restitution solutions for ruined residential buildings in Ildırı which overlaps the archaeological remains of Erythrai in İzmir, Turkey. The results of the study intended to be considered as one of the alternatives of solving housing shortage of the settlement. With this aim; the current legislative status of the settlement is clarified firstly. This analysis showed that the legal measures prioritizing only the archaeological remains is behind contemporary conservation approach respecting all contributing strata and it should be revised before taking any conservative measures related to the cultural landscape of Erythrai including the modern settlement of Ildırı. Secondly, the architectural characteristics of Ildırı houses are deciphered in order to provide concrete data for restitutions. Finally, the ruined residential buildings in Ildırı are examined according to their architectural characteristics along with the literature researches in order to understand how many of them have the possibility of reliable restitution proposal. The result of the study shows that only 6 of 25 ruins in Ildırı have concrete documents and sources to be able to propose reliable restitution solutions. Thus, the restoration of the ruins cannot be the only means of solving the housing shortage of the settlement. Other supportive measures should also be considered and all these measures should be made in accordance with a new legislative status which takes into consideration of cultural and natural significance of the settlement and its environs and within a management plan.