1. Property or real estate that has been acquired, held, or transferred in violation of law; property obtained through unlawful means or without proper legal authorization
The seized illegal property was returned to its rightful owner.
A propriedade ilegal apreendida foi devolvida ao seu proprietário legítimo.
2. Real estate constructed without proper permits or zoning approval
The building was condemned as illegal property due to code violations.
O prédio foi condenado como propriedade ilegal devido a violações do código.