Hilton was born in Los Angeles, California, the sixth of eight children to Marilyn June (née Hawley) and Barron Hilton, whose father was Hilton Hotel founder Conrad Hilton. In 1978, he graduated from the University of Denver with a degree in hotel and restaurant management. His siblings are: William Barron Hilton Jr. (born 1948), Hawley Anne Hilton (born 1949), Steven Michael Hilton (born 1950), David Alan Hilton (born 1952), Sharon Constance Hilton (born 1953), Daniel Kevin Hilton (born 1962), and Ronald Jeffrey Hilton (born 1963).
Hilton joined the New York office of Eastdil Secured,[4] a real estate investment banking firm and spinoff of Eastman Dillon. He specialized in securing participation of institutional investors and pension funds in various transactions.
In 1984, he formed Hilton Realty Investment to handle commercial real estate. He obtained his broker license on November 29, 1985.[5] Hilton and Jeffrey Hyland were issued a corporation license for their real estate firm Hilton & Hyland on July 26, 1993.[6] Among their developments are Brentwood Country Estates.[7] Former Million Dollar Listing cast members Chad Rogers and Josh Altman; Frank Robinson's daughter, Nichelle; Ron Kass's son, Robert; Anne Heche's former husband, Coleman Laffoon; Rayni Romito Williams and Branden Brent Williams,[8][9]Richard D. Zanuck's daughter-in-law, Marisa, are among Hilton & Hyland's 106 salespeople.[10] In 2012, Hilton & Hyland reported almost $3.5 billion in sales[11][12] Since 2006, Williams & Williams has been affiliated with the Hilton & Hyland Real Estate Inc. Both companies joined forces to develop and distribute projects in the highly competitive real estate luxury market.[13][14][15]