Zip Code: 91790 (West 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 91790 Zip Code in February 2026 was 91.325.

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 91790 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: 91790 - Market Hotness: Trend of Supply Score
Zip Code: 91790 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 98.60668541080912
October 2017 97.57417428624744
November 2017 88.77525252525253
December 2017 99.18059229627718
January 2018 99.3382795267696
February 2018 99.09015140991805
March 2018 98.58977057461587
April 2018 97.52752960731353
May 2018 95.1282751091703
June 2018 96.15103370338363
July 2018 96.351778911345
August 2018 99.02273888605008
September 2018 98.59244230281512
October 2018 96.75087983911513
November 2018 95.07118000632711
December 2018 94.93703418144436
January 2019 81.7001647446458
February 2019 86.74541583682439
March 2019 72.86456529269138
April 2019 79.7654964344487
May 2019 71.54421348700006
June 2019 82.03455926847307
July 2019 65.57237402529323
August 2019 90.42414780119698
September 2019 90.76903242441823
October 2019 88.98140975987606
November 2019 85.71800546803802
May 2020 88.72797850104509
June 2020 90.64072710884098
July 2020 56.206016549377466
October 2021 95.96105301117923
May 2022 79.48267790262172
July 2022 50.61591182735945
August 2022 72.52841151841409
September 2022 87.16802967709299
October 2022 66.55665566556655
November 2022 79.9883459585449
December 2022 82.75744969861618
January 2023 64.9973314356876
February 2023 40.05559283044187
March 2023 66.73690547862734
August 2023 76.47965195323123
September 2023 71.70497914262893
October 2023 73.65586802290794
November 2023 92.23744292237443
December 2023 65.47176192086575
January 2024 88.70839586827934
August 2024 84.82609044903205
September 2024 89.35738268134614
October 2024 93.41529004994239
November 2024 75.0651540702131
December 2024 79.74878631424829
February 2025 76.76437720278518
April 2025 87.57565568258238
May 2025 93.81720430107528
June 2025 86.70538133952768
July 2025 71.47474443776308
August 2025 64.05649216208222
September 2025 83.73865698729583
October 2025 66.79204339963833
November 2025 46.509604929322215
December 2025 77.73698509435347
January 2026 96.32643571262497
February 2026 91.67137894821876
March 2026 91.3250636654892