A palatial seven-bedroom, seven-bathroom mansion in Pacific Heights just set a big record in San Francisco.2920 Broadway is officially the most expensive home ever sold in the city, selling for $43.5 million. The more than 11,000 square feet feature stunning views of the bay and the Golden Gate Bridge and include a 5,000-bottle wine cellar.The buyer is the mysterious NARF NAS LLC, a company newly registered in February 2021, a common practice when buying homes of this price point. Built in 1931, 2920 Broadway sold off-market for $39 million in 2018 — the first time it set a record for the most expensive home sold in San Francisco. The historic home was once owned by Reuben and Ingrid Hills, the heirs to the Hills Bros. Coffee fortune. The couple actually tried to sell the home for $45 million in 2003 before lowering the price to $35 million. When it finally sold in 2005, it was at a big discount of $29.9 million.Despite the pandemic, the San Francisco luxury real estate market hasn’t been hurting. Luxury house sales — those listed for $3 million and up — hit their highest sales volume ever in spring 2021, with a 70% increase from the previous peak in 2019, according to a recent report from Compass.