Zip Code: 91723 (Covina, 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 91723 Zip Code in August 2025 was 27.274.
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 91723 zip code.
Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.
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Related Topics: Zip Code: 91723 - Realtor House Inventory Topic List
Data Source: Realtor.
Zip Code: 91723 - Market Hotness: Trend of Supply Score
Zip Code: 91723 - Market Hotness: Trend of Supply Score
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| Month | Supply Score |
|---|---|
| September 2017 | 99.54389253358326 |
| October 2017 | 99.24737202214344 |
| May 2018 | 99.16075327510917 |
| July 2018 | 97.11370827145348 |
| August 2018 | 93.29969340827797 |
| September 2018 | 88.1752472736495 |
| October 2018 | 81.71191553544494 |
| November 2018 | 90.12337867763365 |
| December 2018 | 84.08506810588537 |
| January 2019 | 97.38385502471169 |
| June 2019 | 90.7819538761514 |
| July 2019 | 62.879234650416095 |
| November 2019 | 64.79625048821768 |
| March 2020 | 95.99852887090842 |
| June 2020 | 99.13618267858485 |
| August 2022 | 33.82893275228574 |
| September 2022 | 46.707697495995276 |
| October 2022 | 40.45019886604045 |
| November 2022 | 21.260301340214767 |
| December 2022 | 20.39222344851006 |
| June 2025 | 78.26558265582656 |
| July 2025 | 58.71918220084186 |
| August 2025 | 49.82993197278912 |
| September 2025 | 27.274047186932847 |
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