Zip Code: 91789 (Walnut, CA) - Market Hotness: Trend of Hotness Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: hotness score for the 91789 Zip Code in February 2026 was 41.362.

You can see similar for other California Zip Codes.

The chart and table below shows the trend of the market hotness: hotness score for the 91789 zip code.

Note: Hotness Score is an equally-weighted composite metric of a geography’s supply score and demand score.

Data Source: Realtor.
Zip Code: 91789 - Market Hotness: Trend of Hotness Score
Zip Code: 91789 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 52.80849734457982
October 2017 54.4971076693413
November 2017 50.75126262626263
December 2017 59.158655397122395
January 2018 55.079874339950536
February 2018 52.23989442978192
March 2018 57.67557707149372
April 2018 58.69173765496225
May 2018 56.01460152838428
June 2018 51.98098783487337
July 2018 49.49312326467359
August 2018 46.39115993868165
September 2018 37.55706314988587
October 2018 43.168677727501255
November 2018 41.907624169566596
December 2018 45.30005140066821
January 2019 52.15485996705107
February 2019 50.49790536364261
March 2019 44.54797367509525
April 2019 41.69980800877674
May 2019 33.432805103930846
June 2019 33.033012842062796
July 2019 30.57466745298473
August 2019 32.21116315378611
September 2019 34.02307741893895
October 2019 37.50645494448747
November 2019 36.07603176669704
December 2019 41.59968112668571
January 2020 36.22157108971676
February 2020 42.785161384547976
March 2020 52.758367046708344
April 2020 35.902478848152
May 2020 39.119886533293524
June 2020 40.92991812514084
July 2020 61.2868300982136
August 2020 44.5859872611465
September 2020 25.976037166843263
October 2020 23.134328358208954
November 2020 17.351828499369482
December 2020 21.036854170340327
January 2021 15.495418909983943
February 2021 35.17468824075028
March 2021 31.087551299589602
April 2021 24.49941792782305
May 2021 27.015011547344113
June 2021 39.073245278899684
July 2021 28.828101342485112
August 2021 20.897905513290127
September 2021 29.139736003641328
October 2021 26.131446087270106
November 2021 37.04512372634643
December 2021 50.42057902973396
January 2022 30.49653198282506
February 2022 39.549358894559944
March 2022 36.80444087747458
April 2022 27.972344275006463
May 2022 20.189606741573034
June 2022 30.22449824125802
July 2022 29.99444290080578
August 2022 29.881227035802787
September 2022 38.205041733412024
October 2022 30.100702377930098
November 2022 22.409056855073672
December 2022 21.572289668053315
January 2023 23.114214552570715
February 2023 29.96261861401323
March 2023 37.6028496889424
April 2023 44.88403119868637
May 2023 54.75204524795475
June 2023 55.90205931618879
July 2023 37.4492972361098
August 2023 35.76089912081936
September 2023 44.90103843081565
October 2023 43.405419266603985
November 2023 49.450363605614754
December 2023 45.67974298275279
January 2024 54.9351107972102
February 2024 49.09618806780931
March 2024 58.85471391727959
April 2024 60.96879366557988
May 2024 47.309153400868304
June 2024 44.077016059402524
July 2024 53.17904793279526
August 2024 40.489195919350955
September 2024 49.98828765518857
October 2024 37.68344218209758
November 2024 32.519546221063926
December 2024 35.72474377745242
January 2025 41.27792378449409
February 2025 46.61738158686495
March 2025 41.783895745231725
April 2025 27.046906523201077
May 2025 17.778592375366568
June 2025 34.81997677119628
July 2025 30.41190619362598
August 2025 30.1131322094055
September 2025 36.34119782214156
October 2025 44.20253164556962
November 2025 46.625588981515044
December 2025 35.6377120199721
January 2026 29.419514841509727
February 2026 38.41990467727604
March 2026 41.36203072373285