Zip Code: 91730 (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 91730 Zip Code in February 2026 was 83.981.

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 91730 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: 91730 - Market Hotness: Trend of Supply Score
Zip Code: 91730 - Market Hotness: Trend of Supply Score
Items per page:
0 of 0
Month Supply Score
September 2017 95.80131208997187
October 2017 98.42632331902719
November 2017 93.44696969696969
December 2017 97.05787470159365
January 2018 97.95468217365149
February 2018 96.41616891234894
March 2018 98.70202764330317
April 2018 97.901516725535
May 2018 96.99781659388647
June 2018 92.6344479159742
July 2018 96.68754439207076
August 2018 96.81911088400614
September 2018 97.90134415419732
October 2018 95.4311211664153
November 2018 84.39101550142361
December 2018 88.0172192238499
January 2019 91.72322899505765
February 2019 95.00034338300941
March 2019 94.4302043643921
April 2019 91.80608886450905
May 2019 77.16951361734239
June 2019 71.40455859611376
July 2019 70.61136229604875
August 2019 86.71610720791048
September 2019 94.65609488815832
October 2019 94.02272140459593
November 2019 91.62218461137873
December 2019 90.53344848203017
January 2020 88.10520440909725
February 2020 88.71038410982912
March 2020 95.92497241632954
April 2020 83.79842659937657
May 2020 59.3759331143625
June 2020 60.12919702546383
July 2020 74.58819890186373
August 2020 71.24203821656052
September 2020 51.39783193414296
October 2020 82.15663256749957
November 2020 93.08953341740227
December 2020 81.62581555281255
January 2021 70.64324171153301
February 2021 90.889415644646
March 2021 71.71682626538988
April 2021 81.82770663562282
May 2021 82.9676674364896
June 2021 67.56904268093002
July 2021 45.02876753810437
August 2021 71.89818728280267
September 2021 65.92626308602641
October 2021 87.91922106022358
November 2021 87.17248908296943
December 2021 83.93974960876369
January 2022 79.9185291203347
February 2022 95.19482136188223
March 2022 83.97538790797218
April 2022 81.66192814680797
May 2022 75.8192883895131
June 2022 51.965652803641625
July 2022 50.01389274798556
August 2022 41.13475177304964
September 2022 59.7841665964084
October 2022 36.151307438436156
November 2022 50.73670190626821
December 2022 66.9921045929196
January 2023 64.9973314356876
February 2023 54.931467459024255
March 2023 59.99397953040337
April 2023 51.262315270935964
May 2023 57.24674275325725
June 2023 77.63326436102079
July 2023 81.69983963777003
August 2023 66.56394453004623
September 2023 85.96787077305406
October 2023 78.57936575775707
November 2023 89.83595467613732
December 2023 90.32803517078119
January 2024 95.91242164739118
February 2024 94.5490306265805
March 2024 91.90944693858057
April 2024 90.21891010712622
May 2024 84.93125904486251
June 2024 93.23950958383699
July 2024 82.34228298468128
August 2024 91.71017752429914
September 2024 62.450222534551415
October 2024 83.38071456012294
November 2024 64.4565384025755
December 2024 75.68775525930492
January 2025 86.41590013140605
February 2025 94.00842431015215
March 2025 88.16777422974023
April 2025 85.72629455279085
May 2025 67.60345389377648
June 2025 72.9616724738676
July 2025 71.09140108238124
August 2025 85.49245785270631
September 2025 59.7967332123412
October 2025 39.93490054249548
November 2025 64.41464298658934
December 2025 71.32682282105881
January 2026 85.87150275129815
February 2026 93.89288310849018
March 2026 83.98094142774994