Zip Code: 78666 (San Marcos, TX) - Trend of House - Median Days on Market (Realtor)

Updated on March 13, 2026.

According to data from Realtor.com, the median days on market for houses in the 78666 Zip Code in February 2026 was 118 days. The month over month percentage change (MoM) was -0.0504%, and the year over year percentage change (YoY) was 0.9303%.

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

The chart below shows the trend of the median days on market for houses in the 78666 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 78666 - Trend of House - Median Days on Market
Zip Code: 78666 Trend of House - Median Days on Market
Items per page:
1 – 10 of 116
Month Med. Days on Market MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 70
Sep 2016 74
Oct 2016 84
Nov 2016 87
Dec 2016 87
Jan 2017 115
Feb 2017 91
Mar 2017 75
Apr 2017 59
May 2017 54
Jun 2017 42
Jul 2017 46
Aug 2017 60 0.3115 -0.1367
Sep 2017 54 -0.0958 -0.2619
Oct 2017 61 0.1244 -0.2695
Nov 2017 67 0.0984 -0.2254
Dec 2017 75 0.1194 -0.1329
Jan 2018 86 0.1467 -0.2489
Feb 2018 85 -0.0087 -0.0606
Mar 2018 56 -0.349 -0.255
Apr 2018 40 -0.2793 -0.3162
May 2018 47 0.1625 -0.1389
Jun 2018 46 -0.0108 0.0952
Jul 2018 51 0.1087 0.1148
Aug 2018 52 0.0196 -0.1333
Sep 2018 52 -0.0048 -0.0461
Oct 2018 70 0.3527 0.1475
Nov 2018 81 0.15 0.2015
Dec 2018 74 -0.0807 -0.0133
Jan 2019 82 0.1081 -0.0465
Feb 2019 93 0.1341 0.0909
Mar 2019 87 -0.0645 0.5676
Apr 2019 66 -0.2414 0.65
May 2019 63 -0.0455 0.3548
Jun 2019 71 0.127 0.5435
Jul 2019 51 -0.2817 0.0
Aug 2019 54 0.049 0.0288
Sep 2019 62 0.1589 0.1981
Oct 2019 67 0.0726 -0.05
Nov 2019 72 0.0789 -0.1087
Dec 2019 72 0.0035 -0.027
Jan 2020 75 0.0347 -0.0915
Feb 2020 89 0.1879 -0.0484
Mar 2020 95 0.0734 0.092
Apr 2020 77 -0.1947 0.1591
May 2020 72 -0.0654 0.1349
Jun 2020 68 -0.049 -0.0423
Jul 2020 62 -0.0846 0.2206
Aug 2020 71 0.1446 0.3318
Sep 2020 49 -0.3123 -0.2097
Oct 2020 49 0.0 -0.2632
Nov 2020 49 0.0 -0.3171
Dec 2020 57 0.1531 -0.2153
Jan 2021 54 -0.0398 -0.2718
Feb 2021 60 0.106 -0.322
Mar 2021 39 -0.3583 -0.5947
Apr 2021 36 -0.0649 -0.5294
May 2021 39 0.0833 -0.4545
Jun 2021 17 -0.5641 -0.75
Jul 2021 24 0.4118 -0.6145
Aug 2021 24 0.0 -0.6632
Sep 2021 28 0.1771 -0.4235
Oct 2021 38 0.3274 -0.2347
Nov 2021 61 0.6267 0.2449
Dec 2021 72 0.1803 0.2743
Jan 2022 84 0.1597 0.5392
Feb 2022 78 -0.0659 0.3
Mar 2022 76 -0.0256 0.974
Apr 2022 32 -0.5789 -0.1111
May 2022 31 -0.0313 -0.2051
Jun 2022 21 -0.3226 0.2353
Jul 2022 24 0.119 -0.0208
Aug 2022 30 0.2766 0.25
Sep 2022 51 0.7 0.8053
Oct 2022 59 0.1618 0.58
Nov 2022 62 0.0464 0.0164
Dec 2022 77 0.246 0.0729
Jan 2023 95 0.2298 0.1377
Feb 2023 116 0.2211 0.4872
Mar 2023 108 -0.0711 0.4178
Apr 2023 110 0.0209 2.4375
May 2023 84 -0.2364 1.7097
Jun 2023 76 -0.0952 2.619
Jul 2023 64 -0.1546 1.734
Aug 2023 58 -0.0973 0.9333
Sep 2023 65 0.1164 0.2696
Oct 2023 60 -0.0734 0.0127
Nov 2023 64 0.0667 0.0323
Dec 2023 60 -0.0586 -0.2201
Jan 2024 62 0.029 -0.3474
Feb 2024 68 0.0927 -0.4159
Mar 2024 48 -0.2915 -0.5545
Apr 2024 38 -0.2083 -0.6545
May 2024 44 0.1447 -0.4821
Jun 2024 46 0.046 -0.4013
Jul 2024 48 0.044 -0.2607
Aug 2024 53 0.1053 -0.0948
Sep 2024 64 0.219 -0.0116
Oct 2024 73 0.1328 0.2083
Nov 2024 74 0.0138 0.1484
Dec 2024 71 -0.034 0.1784
Jan 2025 80 0.1232 0.2863
Feb 2025 83 0.0376 0.2214
Mar 2025 61 -0.2628 0.2708
Apr 2025 52 -0.1475 0.3684
May 2025 48 -0.0769 0.1034
Jun 2025 51 0.0521 0.1099
Jul 2025 52 0.0297 0.0947
Aug 2025 68 0.2981 0.2857
Sep 2025 81 0.2 0.2656
Oct 2025 96 0.1821 0.3207
Nov 2025 100 0.047 0.3639
Dec 2025 101 0.0075 0.4225
Jan 2026 106 0.047 0.326
Feb 2026 124 0.1726 0.4985
Mar 2026 118 -0.0504 0.9303