Luxury real estate in Southern Nevada has just notched a new benchmark. Douglas Elliman’s Kristen Routh-Silberman has set a record-breaking $813 per square foot with the sale of 31 Isleworth Drive in Anthem Country Club, closing at $3.75 million and surpassing the previous community record of $791 per square foot. “This landmark sale speaks volumes about the strength of the luxury tier here, the...