If you don't want to include the MoreLinq library towards your undertaking just to have the DistinctBy features You'll be able to get the same end result using the overload of Linq's Distinct technique that normally takes in an IEqualityComparer argument. one Also see this related issue and its solutions. https://propertyingurugram.in/hines-partners-with-pioneer-for-gurugram-office-project/