Zip Code: 91739 (Rancho Cucamonga, 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 91739 Zip Code in February 2026 was 76.144.

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 91739 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: 91739 - Market Hotness: Trend of Supply Score
Zip Code: 91739 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 81.54951577631991
October 2017 87.23642470610189
November 2017 89.58333333333334
December 2017 93.03180850377444
January 2018 88.81090836174053
February 2018 94.3603278233088
March 2018 93.10320634252437
April 2018 92.98427868965994
May 2018 89.21943231441048
June 2018 89.61643289237519
July 2018 84.56124491509007
August 2018 86.90597853857945
September 2018 82.92543748414913
October 2018 79.51231774761186
November 2018 69.9272382157545
December 2018 84.73400154202004
January 2019 84.6853377265239
February 2019 85.06970675090997
March 2019 90.70315206096294
April 2019 79.7654964344487
May 2019 54.90841736982919
June 2019 53.782021112082305
July 2019 70.26407181705
August 2019 65.48920114493885
September 2019 66.39592599755045
October 2019 61.49625613219726
November 2019 56.92618148678557
December 2019 63.81452202218827
January 2020 83.66820147900098
February 2020 71.12604060172339
March 2020 57.56528135343877
April 2020 82.95977438028797
May 2020 83.30845028366677
June 2020 63.74971832043867
July 2020 59.29162477766607
August 2020 41.18630573248407
September 2020 32.25201727932187
October 2020 51.81955391581419
November 2020 73.55191256830601
December 2020 67.33380356198201
January 2021 54.34967412864834
February 2021 41.18313923528806
March 2021 69.84724122207022
April 2021 56.67054714784633
May 2021 66.62817551963049
June 2021 46.43597860495579
July 2021 38.124558393055416
August 2021 82.16398985629755
September 2021 71.06964041875284
October 2021 77.1547060944825
November 2021 55.740538573508005
December 2021 85.97417840375586
January 2022 81.96631069030056
February 2022 98.31943234159094
March 2022 63.64365971107544
April 2022 81.33884724735073
May 2022 65.47284644194757
June 2022 56.579764121663565
July 2022 34.157636380476056
August 2022 44.971374861146714
September 2022 30.031194671612848
October 2022 38.41922653803842
November 2022 32.265046199950056
December 2022 49.31658035486883
January 2023 55.05248176481054
February 2023 48.394517396721945
March 2023 65.89403973509934
April 2023 60.97085385878489
May 2023 49.702050297949704
June 2023 68.5683318553552
July 2023 67.40873502499764
August 2023 67.42499773407052
September 2023 54.37117245051921
October 2023 56.05607316864689
November 2023 63.157449687130054
December 2023 76.40344944200203
January 2024 62.16120773373356
February 2024 61.019012831319664
March 2024 61.01824434043366
April 2024 35.73358174196553
May 2024 74.83719247467438
June 2024 86.7639440511138
July 2024 79.32795256135728
August 2024 81.99052132701422
September 2024 57.81994221909893
October 2024 69.99615827890895
November 2024 69.2012877510348
December 2024 59.605455806426754
January 2025 58.393561103810775
February 2025 67.03343935356314
March 2025 62.73409855872961
April 2025 82.98587760591796
May 2025 66.40599543825351
June 2025 72.9616724738676
July 2025 70.34726398075767
August 2025 64.69239869860988
September 2025 57.401088929219604
October 2025 54.01808318264014
November 2025 57.36861181587531
December 2025 56.017328731918646
January 2026 48.96535689374564
February 2026 57.77526456094999
March 2026 76.1439250800953