Mortgage rates fell again last week, hitting as low as 5.10 percent last Friday, after the government's decision to purchase mortgage-backed securities. The weekly average rates for 30-year fixed mortgages declined to 5.34 percent, down from 5.53 percent the week prior, according to the Zillow Mortgage Rate Monitor, compiled by leading real estate Web site Zillow.com(R).

Rates for 15-year fixed mortgages decreased to 5.16 percent, down from 5.34 percent and 5-1 adjustable rate mortgages fell to 5.93 percent from 6.01 percent.

Rates for 30-year fixed mortgages remained fairly steady on Monday evening with the average rate on Zillow Mortgage Marketplace at 5.33 percent.

At a state level, the 30-year fixed mortgage rate in Ohio had the biggest decrease, falling from 5.62 percent to 5.25 percent. Rates on 30-year fixed mortgages were lowest in the states of Georgia (5.19%) and Ohio (5.25%), while New York (5.44%) and New Jersey (5.40%) had the highest rates.