IRVINE, Calif. – A new report shows that homeowners across the nation who were underwater on their mortgages are regaining equity.

This month, ATTOM Data Solutions, curator of the nation’s largest multi-sourced property database, released its Q3 2017 U.S. Home Equity & Underwater Report.

The report shows that at the end of the third quarter of 2017 there were 4.6 million (4,628,408) U.S. properties that were seriously underwater where the combined loan amount secured by the property was at least 25 percent higher than the property’s estimated market value.

That’s down by more than 800,000 properties from the previous quarter and down by more than 1.4 million properties from Q3 2016 – the biggest year-over-year drop since Q2 2015.

The 4.6 million seriously underwater properties at the end of Q3 2017 represented 8.7 percent of all U.S. properties with a mortgage, down from 9.5 percent in the previous quarter and down from 10.8 percent in Q3 2016.

“Accelerating home price appreciation this year is increasing the velocity at which seriously underwater homeowners are recovering home equity lost during the Great Recession,” said Daren Blomquist, senior vice president at ATTOM Data Solutions. “Median home prices nationwide are up 9.4 percent so far in 2017, the fastest pace of appreciation through the first three quarters of a year since 2013. Continued home price appreciation is also helping to grow the number of equity rich homeowners across the country compared to a year ago.”

There were more than 14 million (14,030,394) U.S. properties that were equity rich – where the combined loan amount secured by the property was 50 percent or less of the estimated market value of the property – down slightly from the previous quarter but still up by 905,000 compared to a year ago.

The 14 million equity rich U.S. properties represented 26.4 percent of all U.S. properties with a mortgage, up from 24.6 percent in the previous quarter and up from 23.4 percent in Q3 2016.

States with the highest share of equity rich properties were Hawaii (41.9 percent); California (41.4 percent); New York (35.7 percent); Oregon (34.0 percent) and Washington (33.6 percent).

Among 93 metropolitan statistical areas with a population of 500,000 or more, those with the highest share of equity rich properties were San Jose, California (61.0 percent); San Francisco, California (56.4 percent); Los Angeles, California (45.3 percent); Honolulu, Hawaii (43.9 percent); and Oxnard-Thousand Oaks-Ventura, California (38.7 percent).

Other metros where at least 35 percent of properties were equity rich at the end of Q3 2017 were Seattle, Washington (38.7 percent); San Diego, California (38.3 percent); Portland, Oregon (36.7 percent); Austin, Texas (35.8 percent); and Stockton, California (35.2 percent).

States with the highest share of seriously underwater properties were Louisiana (19.2 percent); Iowa (14.2 percent); Pennsylvania (14.0 percent); Mississippi (13.8 percent); and Alabama (13.7 percent).

Among 93 metropolitan statistical areas with a population of 500,000 or more, those with the highest share of seriously underwater properties were Baton Rouge, Louisiana (20.5 percent); Scranton, Pennsylvania (19.5 percent); Youngstown, Ohio (18.2 percent); New Orleans, Louisiana (17.4 percent); and Dayton, Ohio (16.4 percent).