McClellan Sotheby's International Realty, established in 1878, is Pelham’s oldest and most successful real estate company. In 2008, it became the exclusive affiliate for Sotheby’s International Realty in the Pelham/New Rochelle area. McClellan Sotheby’s International Realty unites the firm’s extraordinary local expertise with the same unsurpassed service and commitment to individual attention that the legendary Sotheby’s auction house has provided to its clients for 264 years.