Zip Code: 91789 (Walnut, CA) - Trend of Active Listing Count of Houses (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the active listing count of houses in the 91789 Zip Code in February 2026 was 68. The month over month percentage change (MoM) was 0.0227%, and the year over year percentage change (YoY) was 0.2385%.

You can see similar for other California Zip Codes, and for California.

The chart below shows the trend of active listing count in the 91789 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 91789 - Trend of Active Listing Count of Houses
Zip Code: 91789 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 116
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 149
Sep 2016 142
Oct 2016 136
Nov 2016 120
Dec 2016 97
Jan 2017 77
Feb 2017 76
Mar 2017 79
Apr 2017 80
May 2017 79
Jun 2017 76
Jul 2017 101
Aug 2017 124 0.2338 -0.1678
Sep 2017 133 0.0685 -0.0669
Oct 2017 132 -0.0038 -0.0258
Nov 2017 110 -0.1667 -0.0833
Dec 2017 92 -0.1636 -0.0515
Jan 2018 79 -0.1413 0.026
Feb 2018 61 -0.2278 -0.1974
Mar 2018 67 0.0984 -0.1465
Apr 2018 79 0.1791 -0.0063
May 2018 95 0.1962 0.1962
Jun 2018 106 0.1217 0.404
Jul 2018 118 0.1132 0.1741
Aug 2018 130 0.1017 0.0484
Sep 2018 129 -0.0077 -0.0264
Oct 2018 123 -0.0465 -0.0682
Nov 2018 125 0.0163 0.1364
Dec 2018 131 0.048 0.4239
Jan 2019 127 -0.0305 0.6076
Feb 2019 112 -0.1181 0.8361
Mar 2019 113 0.0089 0.6866
Apr 2019 116 0.0265 0.4684
May 2019 121 0.0431 0.2804
Jun 2019 132 0.0909 0.2453
Jul 2019 142 0.0758 0.2034
Aug 2019 147 0.0317 0.1269
Sep 2019 142 -0.0307 0.1008
Oct 2019 139 -0.0246 0.126
Nov 2019 133 -0.0397 0.064
Dec 2019 107 -0.1955 -0.1832
Jan 2020 84 -0.2196 -0.3425
Feb 2020 66 -0.2156 -0.4152
Mar 2020 68 0.0382 -0.3982
Apr 2020 61 -0.1029 -0.4741
May 2020 59 -0.041 -0.5165
Jun 2020 67 0.1453 -0.4924
Jul 2020 85 0.2687 -0.4014
Aug 2020 91 0.0706 -0.3788
Sep 2020 88 -0.033 -0.3803
Oct 2020 78 -0.1193 -0.4404
Nov 2020 68 -0.1226 -0.4887
Dec 2020 70 0.0221 -0.3505
Jan 2021 53 -0.2374 -0.3653
Feb 2021 40 -0.2453 -0.3893
Mar 2021 33 -0.1875 -0.5221
Apr 2021 29 -0.1231 -0.5328
May 2021 27 -0.0526 -0.5385
Jun 2021 35 0.2963 -0.4776
Jul 2021 46 0.3143 -0.4588
Aug 2021 46 0.0 -0.4945
Sep 2021 49 0.0543 -0.4489
Oct 2021 44 -0.1031 -0.4387
Nov 2021 40 -0.0805 -0.4118
Dec 2021 42 0.05 -0.3957
Jan 2022 33 -0.2143 -0.3774
Feb 2022 23 -0.303 -0.425
Mar 2022 26 0.1087 -0.2154
Apr 2022 21 -0.1765 -0.2632
May 2022 27 0.2857 0.0
Jun 2022 39 0.4259 0.1
Jul 2022 50 0.2857 0.0761
Aug 2022 55 0.1111 0.1957
Sep 2022 65 0.1727 0.3299
Oct 2022 65 0.0078 0.4943
Nov 2022 65 0.0 0.625
Dec 2022 53 -0.1846 0.2619
Jan 2023 42 -0.2075 0.2727
Feb 2023 34 -0.1905 0.4783
Mar 2023 27 -0.2059 0.0588
Apr 2023 24 -0.1296 0.119
May 2023 23 -0.0213 -0.1481
Jun 2023 32 0.3913 -0.1688
Jul 2023 38 0.1719 -0.2424
Aug 2023 33 -0.12 -0.4
Sep 2023 34 0.0303 -0.4729
Oct 2023 36 0.0588 -0.4462
Nov 2023 31 -0.1528 -0.5308
Dec 2023 33 0.0656 -0.3868
Jan 2024 23 -0.2923 -0.4524
Feb 2024 24 0.0217 -0.3088
Mar 2024 23 -0.0213 -0.1481
Apr 2024 25 0.087 0.0638
May 2024 29 0.16 0.2609
Jun 2024 39 0.3448 0.2188
Jul 2024 45 0.1538 0.2
Aug 2024 44 -0.0222 0.3333
Sep 2024 57 0.2955 0.6765
Oct 2024 56 -0.0263 0.5417
Nov 2024 59 0.0631 0.9344
Dec 2024 58 -0.0169 0.7846
Jan 2025 47 -0.1897 1.0435
Feb 2025 43 -0.0957 0.8085
Mar 2025 55 0.2824 1.3696
Apr 2025 49 -0.1009 0.96
May 2025 51 0.0306 0.7414
Jun 2025 59 0.1683 0.5128
Jul 2025 72 0.2203 0.6
Aug 2025 77 0.0625 0.7386
Sep 2025 67 -0.1242 0.1754
Oct 2025 71 0.0522 0.2703
Nov 2025 69 -0.0213 0.1695
Dec 2025 57 -0.1739 -0.0172
Jan 2026 58 0.0088 0.2234
Feb 2026 66 0.1478 0.5529
Mar 2026 68 0.0227 0.2385