Zip Code: 91001 (Altadena, 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 91001 Zip Code in February 2026 was 79.381.

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 91001 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: 91001 - Market Hotness: Trend of Supply Score
Zip Code: 91001 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 98.26929084661043
October 2017 96.14977918765939
November 2017 97.1590909090909
December 2017 95.57390799406413
January 2018 99.60564133413541
February 2018 97.29823586609251
March 2018 95.34834771627025
April 2018 94.73647759540135
May 2018 94.86217248908298
June 2018 91.78355381240443
July 2018 90.92141796345322
August 2018 84.72789984670413
September 2018 89.8808014202384
October 2018 92.64077425842132
November 2018 91.65453970262575
December 2018 94.29452582883577
January 2019 91.10378912685337
February 2019 97.94656960373601
March 2019 91.76307585729131
April 2019 79.7654964344487
May 2019 73.62283048638267
June 2019 74.87393262959726
July 2019 88.6966778061726
August 2019 79.50819672131148
September 2019 88.13898021014633
October 2019 89.4848954298993
November 2019 91.06236167165733
December 2019 91.98830797847604
January 2020 68.86423887261057
February 2020 84.83277347743538
March 2020 91.75432144170651
April 2020 71.3225471278017
May 2020 56.62884443117348
June 2020 48.9596634868174
July 2020 82.66182043152115
August 2020 78.53503184713377
September 2020 46.963892737794446
October 2020 90.28173738051316
November 2020 75.8974358974359
December 2020 92.78786810086405
January 2021 83.43251157079436
February 2021 73.00834793362877
March 2021 93.4108527131783
April 2021 91.05937136204889
May 2021 39.838337182448036
June 2021 37.31033729942146
July 2021 38.124558393055416
August 2021 34.751573213111676
September 2021 54.42876649977242
October 2021 76.63180670753697
November 2021 64.99272197962155
December 2021 66.52973395931141
January 2022 77.28723989871187
February 2022 60.47553840408316
March 2022 77.68860353130016
April 2022 69.59162574308607
May 2022 41.84222846441947
June 2022 61.1835298986137
July 2022 66.12948041122534
August 2022 66.16252243014613
September 2022 71.89107157912487
October 2022 78.48015570787848
November 2022 59.63539498876217
December 2022 63.485864674420576
January 2023 67.50578188934352
February 2023 76.07591296846545
March 2023 92.55468593216938
April 2023 80.21346469622331
May 2023 37.975962024037976
June 2023 75.46556310966598
July 2023 75.76643712857278
August 2023 55.1345962113659
September 2023 35.413153456998316
October 2023 89.16146679203351
November 2023 63.93539658379841
December 2023 50.29590801487994
January 2024 46.61428445307672
February 2024 72.22066123442914
March 2024 89.00563568631196
April 2024 76.003726129483
May 2024 78.43704775687411
June 2024 90.83923329304092
July 2024 77.88667435348377
August 2024 63.539240099606396
September 2024 77.35613336456625
October 2024 69.99615827890895
November 2024 64.4565384025755
December 2024 91.96270324420128
January 2025 71.61629434954008
February 2025 36.86925126794464
March 2025 78.20833692931734
April 2025 91.408876933423
May 2025 78.8693385467579
June 2025 59.79094076655053
July 2025 40.942573662056525
August 2025 35.35936113575865
September 2025 33.509981851179674
October 2025 78.79204339963833
November 2025 84.50163102573396
December 2025 56.017328731918646
January 2026 44.36952646671317
February 2026 65.44147346312303
March 2026 79.38059640187299