Discover the Greystone Mansion wedding cost and what it takes to host your dream event in one of Los Angeles’s most iconic estates. From garden ceremonies to grand evening receptions, rental fees typically start around $5,000 for smaller events and can climb above $25,000-plus depending on guest count, season and areas used. Catering, rentals and insurance are separate. Understanding the breakdown gives couples peace of mind as they plan their special day at this historic venue.