Named the most expensive cities in the US with the highest cost of renting a one-bedroom apartment in July 2022. NYC and San Francisco still have the most expensive 1-bedroom apartment rentals. Renting 1-bedroom apartments in New York has risen in price by 40.10% over the year. You can rent a one-bedroom apartment for an average of $3,600 per month. One-bedroom apartment rentals in San Francisco are up 7.50% year-on-year. San Jose (California) ranked third among US cities with the most expensive apartment rentals. Also in the top 10 most expensive cities in the United States included: Boston, Miami, Los Angeles, San Diego, Washington, Santa Ana and Oakland.