For the third year in a row, Atherton has landed at the top of a list for most expensive residential real estate in the country, according to real estate website PropertyShark.

Atherton topped the list of the 100 priciest ZIP codes, with a median home sale price of $7.05 million in 2019. The town's median home sale price increased 5% from $6.7 million in 2018, according to PropertyShark, which released its list on Nov. 18. This is the first year in which a ZIP code's median sale price exceeded $7 million.

The Bay Area is still the most expensive region in the country for housing, with 55 ZIP codes on the list.

San Francisco's housing costs is the highest in the country, with 13 ZIP codes on the PropertyShark list, according to the website.

Midpeninsula cities on the list are:

1 - Atherton 94027, $7.05 million median sale price

7 - Palo Alto 94301, $3.52 million

9 - Los Altos 94022, $3.45 million

11 - Portola Valley 94028, $3.3 million

13 - Los Altos 94024, $3.15 million

17 - Palo Alto 94306, $2.75 million

31 - Menlo Park 94025, $2.3 million

38 - Redwood City 94062, $2 million

39 - Mountain View 94040, $2 million

51 - Mountain View 94041, $1.81 million

79 - Redwood City 94061, $1.54 million

91 - Mountain View 94043, $1.47 million