The weekly average rate borrowers were quoted on Zillow Mortgage Marketplace for 30-year fixed mortgages increased five basis points last week to 4.77 percent, up from 4.72 percent the week prior, according to the Zillow Mortgage Rate Monitor, compiled by leading real estate Web site Zillow.com®. Rates for 15-year fixed mortgages rose three basis points to 4.24 percent from 4.21 percent, and 5-1 adjustable rate mortgages increased four basis points to 3.85 percent, from 3.81 percent the week prior.

