Zip Code: 99181 (Valley, WA) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 99181 Zip Code in September 2025 was 25.505.

You can see similar for other Washington Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 99181 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 99181 - Market Hotness: Trend of Supply Score
Zip Code: 99181 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 8.30990315526398
October 2017 2.195683274242707
November 2017 0.8080808080808081
December 2017 0.4322859539325118
January 2018 5.6948064968919185
April 2018 12.653230833160192
May 2018 7.007368995633188
June 2018 28.504952469587185
July 2018 80.80971137082715
August 2018 50.73454266734798
September 2018 20.29546030940908
October 2018 18.822272498743086
November 2018 14.894020879468522
December 2018 5.140066820868671
August 2019 94.24928441321883
September 2019 57.287436343711725
October 2019 24.83217144332559
November 2019 15.043614112745738
July 2023 90.42543156306009
September 2023 15.966983225348363
July 2024 52.6601877779608
July 2025 62.15423932651834
August 2025 71.11801242236024
September 2025 57.401088929219604
October 2025 25.504520795660035