Zip Code: 78231 (San Antonio, TX) - 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 78231 Zip Code in February 2026 was 63.

You can see similar for other Texas Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 78231 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: 78231 - Market Hotness: Trend of Supply Score
Zip Code: 78231 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 36.08247422680412
October 2017 29.688374696771785
November 2017 23.08712121212121
December 2017 12.38789599328989
January 2018 14.377381191096852
February 2018 44.82567023197666
March 2018 46.24991229916509
April 2018 41.01392063162269
May 2018 56.62527292576419
June 2018 57.77438011035033
July 2018 42.183767030412604
August 2018 42.20746039856924
September 2018 49.416687801166624
October 2018 44.18049270990447
November 2018 25.403353369186966
December 2018 27.550758159856077
January 2019 27.58484349258649
February 2019 43.07396470022663
March 2019 52.84378247315552
April 2019 51.33708173340648
May 2019 70.81704054332167
June 2019 36.88563168157063
July 2019 36.73415896730227
August 2019 59.30913348946136
September 2019 50.048346548056465
October 2019 46.165762974438415
November 2019 43.08683765134748
December 2019 74.11811599016808
January 2020 41.453885865773685
February 2020 52.97940703957937
March 2020 59.85288709084222
April 2020 35.27534510909901
May 2020 35.936100328456256
June 2020 44.873431983775255
July 2020 59.755626015002704
August 2020 25.995222929936308
September 2020 8.25658162849458
October 2020 32.97836659399631
November 2020 34.34216057166877
December 2020 43.4050432022571
January 2021 42.34438462265042
February 2021 20.04534679995878
July 2021 77.75310386595336
August 2021 32.394101624870856
September 2021 29.01228948566227
October 2021 38.983050847457626
November 2021 32.914847161572055
December 2021 24.628325508607197
January 2022 21.226467026312893
June 2022 13.490585557624662
July 2022 8.113364823562101
August 2022 24.54071605571221
September 2022 19.64421212376697
October 2022 11.407294575611408
November 2022 24.798135353367183
December 2022 13.11656337549877
January 2023 26.810176125244617
February 2023 19.51500047924854
March 2023 51.023479831426855
April 2023 80.98316912972085
May 2023 23.16937683062317
June 2023 3.823036752389398
July 2023 1.8394491085746627
August 2023 26.719840478564304
September 2023 66.46844767906275
October 2023 38.182750662449784
November 2023 18.29020801623541
December 2023 8.361515049036186
January 2024 3.34598746358259
February 2024 5.104430083356748
March 2024 4.6804852421434715
April 2024 49.02654867256637
May 2024 81.41280752532562
June 2024 71.52477983077189
July 2024 64.34689507494646
August 2024 48.068117921118166
September 2024 43.61677207776997
October 2024 28.06761429120246
November 2024 34.68496090755787
December 2024 59.605455806426754
January 2025 53.350854139290405
February 2025 32.562537608527464
March 2025 32.83852593423664
April 2025 29.715870880968392
May 2025 60.91560768980124
June 2025 57.282229965156795
July 2025 52.39777510523152
August 2025 51.02040816326531
September 2025 46.72958257713249
October 2025 38.84267631103074
November 2025 52.39579557810801
December 2025 83.08245833027388
January 2026 52.87142524994187
February 2026 34.14653849260845
March 2026 63.00008214901832