Zip Code: 99140 (Keller, WA) - Trend of Median House Listing Price Per Square Feet (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the median house listing price per square feet for the 99140 Zip Code in February 2026 was $352. The month over month percentage change (MoM) was 0.0%, and the year over year percentage change (YoY) was 0.2479%.

You can see similar for other Washington Zip Codes, and for Washington.

The chart below shows the trend of the median house listing price per square feet in the 99140 zip code. The table below shows the trend of the median house listing price per square feet, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 99140 - Trend of Median House Listing Price Per Square Feet ($)
Zip Code: 99140 Trend of Median House Listing Price Per Square Feet
Items per page:
1 – 10 of 73
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 105
Sep 2016 105
Oct 2016 103
Nov 2016 103
Dec 2016 103
Jan 2017 103
Feb 2017 103
Mar 2017 103
Apr 2017 103
May 2017 102
Jun 2017 102
Jul 2017 103
Aug 2017 103 0.0 -0.0201
Sep 2017 95 -0.0707 -0.0894
Oct 2017 93 -0.0254 -0.1014
Nov 2017 108 0.1595 0.0418
Dec 2017 156 0.4465 0.5071
Jan 2018 156 0.0 0.5071
Feb 2018 156 0.0 0.5071
Mar 2018 156 0.0 0.5071
Apr 2018 108 -0.3086 0.042
May 2018 156 0.4463 0.5358
Jun 2018 130 -0.1646 0.283
Jul 2018 105 -0.197 0.019
Aug 2018 156 0.4908 0.5191
Sep 2018 152 -0.0283 0.5884
Oct 2018 152 0.0 0.6297
Nov 2018 126 -0.1692 0.1678
Dec 2018 99 -0.2121 -0.3639
Jan 2019 99 0.0 -0.3639
Feb 2019 145 0.4601 -0.0712
Mar 2019 145 0.0 -0.0712
Apr 2019 0
May 2019 0
Mar 2020 142 -0.018
Apr 2020 142 0.0
May 2020 142 0.0
Jan 2023 569
Feb 2023 569 0.0
Mar 2023 569 0.0
Apr 2023 569 0.0
May 2023 569 0.0
Jun 2023 539 -0.0518
Jul 2023 539 0.0
Nov 2023 396
Dec 2023 396 0.0
Jan 2024 396 0.0 -0.3038
Feb 2024 396 0.0 -0.3038
Mar 2024 396 0.0 -0.3038
Apr 2024 354 -0.1053 -0.3771
May 2024 354 0.0 -0.3771
Jun 2024 354 0.0 -0.3431
Jul 2024 354 0.0 -0.3431
Aug 2024 354 0.0
Sep 2024 282 -0.2033
Oct 2024 300 0.0638
Nov 2024 318 0.06 -0.1962
Dec 2024 282 -0.1132 -0.2872
Jan 2025 282 0.0 -0.2872
Feb 2025 282 0.0 -0.2872
Mar 2025 282 0.0 -0.2872
Apr 2025 282 0.0 -0.2033
May 2025 281 -0.0037 -0.2063
Jun 2025 281 0.0 -0.2063
Jul 2025 281 0.0 -0.2063
Aug 2025 281 0.0 -0.2063
Sep 2025 281 0.0 -0.0037
Oct 2025 352 0.2525 0.173
Nov 2025 352 0.0 0.1066
Dec 2025 352 0.0 0.2479
Jan 2026 352 0.0 0.2479
Feb 2026 352 0.0 0.2479
Mar 2026 352 0.0 0.2479