OFFICE $($OfficeID $($PK$),$ Address, Phone$)$

OWNER $($OwnerID $($PK$),$ Name, ContactInfo$)$

PROPERTY $($PropertyID $($PK$),$ Address, OwnerID $($FK$),$ OfficeID $($FK$))$

SERVICE$\_$CATEGORY $($CategoryID $($PK$),$ Name, Description$)$

SERVICE$\_$REQUEST $($RequestID $($PK$),$ PropertyID $($FK$),$ CategoryID $($FK$),$ Description, Status$)$

RESIDENTS $($ResidentID $($PK$),$ Name, PropertyID $($FK$),$ ContactInfo$)$