Here's how long it would take to build enough homes to fix the housing crisis

• Realtor.com's Hannah Jones said this year "will still be a challenging housing market."
• A Realtor.com report noted that the US would need to build single-family homes three times faster to keep up with demand.
• Jones noted a technological shift as one thing needed to help resolve the housing gap problem.

It's no secret there's a housing shortage in the US, and it's not likely to get better any time soon. Hannah Jones, senior economic research analyst for Realtor.com, told Business Insider this year "will still be a challenging housing market."