Realtor Don Kuhl with Synergy Sotheby’s International is in the lead so far this year with a …

Realtor Don Kuhl with Synergy Sotheby’s International is in the lead so far this year with a recent $9.6 million sale for a 13,000-square-foot home in “Billionaires Row” in Summerlin. (Synergy Sotheby’s International)