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$3.8 million house sale in Lake Oswego topped the list of most expensive residential real estate sales in the Portland metro area over the past week. In total, 513 properties changed hands, with an average price of $595,917 and a per-square-foot price of $323.

    Here are the top 10 sales:

    1. $3.8 million, single-family home at 769 Northshore Road in Lake Oswego

     - Built in 1968, 3,700 sqft, $1,027/sqft

    2. $2.8 million, single-family home at 803 S.E. 202nd Court in Camas

     - Built in 2007, 7,535 sqft, $374/sqft

    3. $2.325 million, single-family house at 6323 S.W. Delker Road in Tualatin

     - Built in 1984, 3,328 sqft, $699/sqft

    4. $2.2875 million, single-family residence at 17288 Cedar Road in Lake Oswego

     - Built in 1988, 4,267 sqft, $536/sqft

    5. $2.2499 million, single-family residence at 3585 Sunwood Court in Lake Oswego

     - Built in 1963, 1,575 sqft, $1,429/sqft

    6. $2.163 million, single-family home at 155 N.W. 99th Ave in Portland

     - Built in 1950, 1,328 sqft, $1,629/sqft

    7. $1.8275 million, single-family house at 20401 S. Atwood Lane in Oregon City

     - Built in 1965, 5,307 sqft, $344/sqft

    8. $1.6725 million, single-family house at 843 S. Palatine Hill Road in Portland

     - Built in 1989, 3,975 sqft, $421/sqft

    9. $1.58 million, single-family home at 1613 S.E. 84th Court in Vancouver

     - Built in 1977, 2,381 sqft, $664/sqft

    10. $1.495 million, single-family residence at 20380 S. South End Road in Oregon City

     - Built in 2004, 3,775 sqft, $396/sqft