Zip Code: 91731 (El Monte, CA) - 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 91731 Zip Code in February 2026 was 86.848.

You can see similar for other California Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 91731 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: 91731 - Market Hotness: Trend of Supply Score
Zip Code: 91731 - Market Hotness: Trend of Supply Score
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Month Supply Score
November 2017 97.43686868686868
December 2017 97.01271049745145
October 2018 91.37757667169431
November 2018 98.08288516292313
December 2018 92.52120277563608
January 2019 82.25370675453047
February 2019 93.24909003502506
March 2019 77.54762729476965
April 2019 47.92238069116841
January 2026 91.9631093544137
February 2026 98.92559980612327
March 2026 86.8479421670911