Zip Code: 78203 (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 78203 Zip Code in February 2026 was 52.222.

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 78203 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: 78203 - Market Hotness: Trend of Supply Score
Zip Code: 78203 - Market Hotness: Trend of Supply Score
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Month Supply Score
October 2017 92.89046463892518
November 2017 80.23358585858585
December 2017 66.54622878895412
January 2018 56.386605173450974
February 2018 69.3638005278511
March 2018 82.88079702518768
April 2018 59.983378350301265
May 2018 53.47298034934498
June 2018 48.04227880077112
July 2018 92.78104216439594
August 2018 71.078180889116
September 2018 92.49936596500127
October 2018 75.89240824534942
November 2018 50.42075292628915
December 2018 44.59650475456181
January 2019 81.7001647446458
February 2019 55.00995810727285
March 2019 81.15691028749566
April 2019 81.41113549094898
May 2019 68.12101255402347
June 2019 58.374235191286225
July 2019 53.384444007601076
August 2019 25.013010668748375
September 2019 41.86811061690195
October 2019 66.65375677769171
November 2019 76.5590417914334
December 2019 63.81452202218827
January 2020 87.08664713269151
February 2020 88.5570322769096
March 2020 83.6631114380287
April 2020 62.71337390529909
May 2020 42.1991639295312
June 2020 72.35784571471494
July 2020 63.20470187920502
August 2020 45.20700636942675
September 2020 38.69100986225446
October 2020 18.346469897702498
November 2020 39.96637242538882
December 2020 44.05748545230118
January 2021 31.840936998205343
February 2021 28.898278882819746
March 2021 18.034655722754216
April 2021 44.09778812572759
May 2021 49.468822170900694
June 2021 58.0831786922825
July 2021 25.204400928636318
August 2021 40.37757114680191
September 2021 44.73372781065088
October 2021 30.796970789758383
November 2021 49.845342066957784
December 2021 59.24295774647887
January 2022 51.7560277441374
February 2022 44.65330511639487
March 2022 52.26056714820759
April 2022 33.471181183768415
May 2022 20.353464419475657
June 2022 7.490171735981792
July 2022 12.086690747429842
August 2022 60.864735537896266
September 2022 37.661242728269116
October 2022 26.428027418126426
November 2022 30.283859152584704
December 2022 91.68010866796841
January 2023 85.22504892367905
February 2023 68.51337103421835
March 2023 54.244431065623125
April 2023 27.699096880131364
May 2023 27.370972629027374
June 2023 19.17430288698394
July 2023 12.121497971889445
August 2023 10.667996011964108
September 2023 7.943551965918168
October 2023 19.07000598341739
November 2023 31.295450701843397
December 2023 15.66621575921542
January 2024 19.34316235543392
February 2024 37.16399737754051
March 2024 21.262775814308913
April 2024 11.52305542617606
May 2024 4.332489146164979
June 2024 8.76359868761872
July 2024 23.69461373744029
August 2024 26.411759980721346
September 2024 30.139767314749744
October 2024 26.93046484825202
November 2024 17.72190709796106
December 2024 18.139785774832397
January 2025 21.213863337713533
February 2025 20.95762056219376
March 2025 18.477604211616466
April 2025 8.12878278412912
May 2025 10.410557184750733
June 2025 10.987224157955865
July 2025 11.395069152134695
August 2025 21.81307305530908
September 2025 12.116152450090745
October 2025 13.873417721518988
November 2025 4.849583182312432
December 2025 4.6185476172993605
January 2026 8.315895528171744
February 2026 18.814120688262378
March 2026 52.222130945535206