Zip Code: 78257 (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 78257 Zip Code in February 2026 was 44.319.

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 78257 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: 78257 - Market Hotness: Trend of Supply Score
Zip Code: 78257 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 15.388940955951266
October 2017 12.035827579772345
November 2017 6.016414141414141
December 2017 6.535905542293051
January 2018 16.14196911971125
February 2018 30.90012501736352
March 2018 18.52943240019645
April 2018 13.027217951381676
May 2018 18.531659388646286
June 2018 30.24662633783155
July 2018 24.51088009298121
August 2018 18.9256515074093
September 2018 12.972356074055288
October 2018 16.08848667672197
November 2018 14.894020879468522
December 2018 19.622205088666153
January 2019 18.102141680395388
February 2019 14.257262550648994
March 2019 16.03740907516453
April 2019 15.962698848052662
May 2019 16.58777526239967
June 2019 12.875680763800174
July 2019 20.083873927003474
August 2019 19.119177725735103
September 2019 15.245278153806485
October 2019 12.877614252517427
November 2019 13.019138133055591
December 2019 21.331296087158705
January 2020 38.94237477326636
February 2020 40.959544325982186
March 2020 32.61493196027951
April 2020 33.434763247736385
May 2020 20.64048969841744
June 2020 21.077142642529857
July 2020 11.99443198515196
August 2020 15.939490445859871
September 2020 9.560681392126497
October 2020 14.338420258259266
November 2020 6.078184110970996
December 2020 12.643272791394816
January 2021 5.110040615849627
February 2021 6.688652993919407
March 2021 18.86684906520748
April 2021 23.050058207217695
May 2021 20.10392609699769
June 2021 19.73583669905032
July 2021 7.408902796002827
August 2021 4.395604395604396
September 2021 41.63859808830223
October 2021 36.080057699242694
November 2021 14.41048034934498
December 2021 3.9808294209702657
January 2022 3.3689309699438517
February 2022 3.435827212747417
March 2022 2.086677367576244
June 2022 48.59300641423546
July 2022 55.682133926090586
August 2022 49.95300350337521
September 2022 61.664277885507126
October 2022 58.97435897435898
November 2022 59.63539498876217
December 2022 47.41489090754733
January 2023 27.14819427148194
February 2023 25.46726732483466
March 2023 39.32370058197873
April 2023 18.811576354679804
May 2023 11.877588122411877
June 2023 25.42122376588826
July 2023 38.33600603716631
August 2023 27.852805220701534
September 2023 21.11475991834561
October 2023 17.146764680741946
November 2023 11.339421613394215
December 2023 14.169766655393982
January 2024 34.695859450869605
February 2024 60.204177203334275
March 2024 35.08453529467953
April 2024 15.314392175128086
May 2024 19.835383502170767
June 2024 26.610257295803834
July 2024 22.253335529566794
August 2024 15.270302835569122
September 2024 11.368782696962597
October 2024 6.8536304264310415
November 2024 17.03970565690633
December 2024 33.752022809586194
January 2025 28.33442838370565
February 2025 25.63397232012379
March 2025 34.76309657374644
April 2025 51.25252185608608
May 2025 39.516129032258064
June 2025 21.19241192411924
July 2025 16.50631389055923
August 2025 8.88790298728187
September 2025 8.740471869328493
October 2025 7.508137432188065
November 2025 15.578108010148606
December 2025 25.545194213965782
January 2026 32.674571805006586
February 2026 32.878261572017124
March 2026 44.31939538322517