Zip Code: 78221 (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 78221 Zip Code in February 2026 was 58.441.

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 78221 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: 78221 - Market Hotness: Trend of Supply Score
Zip Code: 78221 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 84.59856294907841
October 2017 81.66324563040368
November 2017 77.98611111111111
December 2017 61.145880379379314
January 2018 81.47182674954882
February 2018 84.52562855952216
March 2018 80.81807338805865
April 2018 67.04757947226263
May 2018 52.89983624454149
June 2018 48.04227880077112
July 2018 31.13579130883967
August 2018 34.42769545222279
September 2018 51.857722546284556
October 2018 35.42609351432881
November 2018 97.8930718127175
December 2018 97.66126959650475
January 2019 88.83031301482703
February 2019 91.7931460751322
March 2019 88.36854866643574
April 2019 79.7654964344487
May 2019 65.45928517527612
June 2019 54.696429772070196
July 2019 60.127121420614635
August 2019 94.80223783502471
September 2019 93.75362599110424
October 2019 94.82313452104312
November 2019 96.5564379638068
December 2019 81.73785956287783
January 2020 66.49225617413144
February 2020 86.34438440192785
March 2020 68.53990437660904
April 2020 31.757458809559154
May 2020 32.42012541057032
June 2020 89.48396304364155
July 2020 62.454566545510794
August 2020 45.51751592356688
September 2020 72.03521069361805
October 2020 42.26899211806138
November 2020 17.099621689785625
December 2020 95.35355316522659
January 2021 78.0202134693492
February 2021 57.79655776563949
March 2021 93.00045599635203
April 2021 68.18393480791617
May 2021 86.65127020785219
June 2021 36.83004038860386
July 2021 31.937014232360955
August 2021 34.17864187094956
September 2021 33.91898042785616
October 2021 66.72376487558601
November 2021 64.99272197962155
December 2021 62.940140845070424
January 2022 97.68798855003853
February 2022 89.61782646582846
March 2022 58.06581059390048
April 2022 36.39183251486172
May 2022 25.72565543071161
June 2022 47.39292364990689
July 2022 24.06223951097527
August 2022 94.90728872938563
September 2022 61.00666048393896
October 2022 43.37818397224338
November 2022 26.72105219345709
December 2022 21.945835809491467
January 2023 35.99893257427504
February 2023 39.269625227643054
March 2023 81.6174994982942
April 2023 54.628489326765184
May 2023 27.017472982527018
June 2023 34.486156271553845
July 2023 49.26893689274597
August 2023 24.580803045409226
September 2023 39.327238839087606
October 2023 84.93888366527054
November 2023 80.56823947234906
December 2023 96.897193101116
January 2024 57.791118566257616
February 2024 27.030064624894635
March 2024 33.20278918712389
April 2024 41.68607359105729
May 2024 32.35347322720695
June 2024 42.06527370056985
July 2024 42.24180530390381
August 2024 66.96120170294803
September 2024 47.09143437182791
October 2024 75.72032270457166
November 2024 75.0651540702131
December 2024 59.22015874239038
January 2025 83.31964520367937
February 2025 67.90165907332589
March 2025 50.16829205143696
April 2025 28.076664425016812
May 2025 45.03095470837407
June 2025 49.49283778552071
July 2025 30.2916416115454
August 2025 28.985507246376812
September 2025 55.45553539019964
October 2025 48.282097649186255
November 2025 49.33671620152229
December 2025 54.01277626844849
January 2026 50.461133069828726
February 2026 38.89651829711608
March 2026 58.44081163230099