Three of the most expensive new listings this month are luxury penthouses — two of which are located at The Four Seasons Private Residences.

Here are the most expensive new listings added to the Multiple Listing Service in the past 30 days, all located within the city of Seattle.

99 Union Street #1102 (via Redfin)

1. 99 Union St. #1102
$9,700,000
Listed by Neda Perrina of Realogics Sotheby’s International Realty

2. 1107 39th Ave. E
$7,400,000
Listed by Shawn Filer and Eric Akines of Real Residential

3. 4526 55th Ave. NE
$7,250,000
Listed by Ned Hosford and Bob Bennion of Compass

4. 9325 Fauntleroy Way SW
$6,500,000
Listed by Ted Bash of Windermere Real Estate and Bob Bennion of Compass

5. 1219 38th Ave. E
$5,995,000
Listed by Shawna Ader of Windermere Real Estate Midtown

6. 99 Union St. #1103
$5,000,000
Listed by Evan Wyman and Hutton Moyer of Compass

7. 1521 2nd Ave. #3700
$4,750,000
Listed by Sandy Justen and Julie Biniasz of Realogics Sotheby’s International Realty

8. 1503 Parkside Dr. E
$4,250,000
Listed by Evan Wyman and Hutton Moyer of Compass

8. 4604 W. Raye St.
$4,250,000
Listed by Keely Jared of K2 Real Estate Associates

9. Undisclosed address
$3,950,000
Listed by Bob Bennion and Mary P. Snyder of Compass

10. 6033 36th Ave. S (lot)
$3,600,000
Listed by Kara Mumma of Realogics Sotheby’s International Realty

All listing data obtained from Redfin and the Northwest Multiple Listing Service.