Zip Code: 99349 (Mattawa, 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 99349 Zip Code in November 2025 was 1.101.

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 99349 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: 99349 - Market Hotness: Trend of Supply Score
Zip Code: 99349 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 41.53077163386442
October 2017 25.98121540088325
July 2018 88.13843869051462
August 2018 78.78129790495657
June 2019 90.59369326968331
July 2019 65.57237402529323
May 2024 16.769175108538352
June 2024 16.042134346399585
July 2024 5.172129797397464
August 2024 2.032291750341393
September 2024 2.8265792144920745
October 2024 5.339992316557818
May 2025 18.157380254154447
June 2025 22.338366240805264
July 2025 28.299759470835838
August 2025 18.692694469091983
September 2025 5.466424682395645
October 2025 1.9095840867992768
November 2025 1.6382747372236317
December 2025 1.1014024524561274