 This is the Publix Radio. I'm Ashley Tribble. The cost to buy housing in Rhode Island reached record highs last month. The median cost of a single-family home in May was $460,000. That's a 67% increase since April 2019. Experts say the rise in costs is driven by more units hitting the market and also by interest rates nearing a 20-year high. Prices are also up for multifamily and condo units.