Zip Code: 94403 (San Mateo, CA) - 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 94403 Zip Code in February 2026 was 98.357.

You can see similar for other California Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 94403 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: 94403 - Market Hotness: Trend of Supply Score
Zip Code: 94403 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 99.51265229615746
October 2017 96.77178578092928
March 2018 99.62113239318037
April 2018 99.27280282568046
May 2018 99.0242903930131
June 2018 98.1652595891777
July 2018 95.94498611738878
August 2018 98.05186509964231
September 2018 98.2944458534111
October 2018 99.47209653092006
November 2018 99.3989243910155
December 2018 99.15831405808275
January 2019 98.63591433278418
February 2019 90.46081999862646
March 2019 95.89192933841358
April 2019 98.22408118486013
May 2019 98.82005899705014
June 2019 98.83009480266254
July 2019 98.70912784221217
August 2019 95.27062190996617
September 2019 89.53136079417263
October 2019 90.86625355021947
November 2019 93.0673089441479
December 2019 93.83511592373614
January 2020 64.5807171759453
March 2020 99.91173225450534
April 2020 98.62698530503191
May 2020 94.58047178262167
June 2020 96.6649139938406
July 2020 98.43012914701106
August 2020 93.45541401273886
September 2020 93.83812861683919
October 2020 79.68304544692269
November 2020 84.07734342160572
December 2020 62.5198377711162
January 2021 34.55180882214036
February 2021 80.7997526538184
March 2021 95.91883264933881
April 2021 83.16647264260769
May 2021 38.48729792147806
June 2021 92.2825019102718
July 2021 82.527505803977
August 2021 87.56457217995678
September 2021 83.3318161128812
October 2021 52.4792643346556
November 2021 98.32605531295488
December 2021 54.77308294209703
January 2022 22.316415281294727
March 2022 99.625468164794
April 2022 89.72602739726028
May 2022 88.01498127340824
June 2022 85.42313262983654
July 2022 35.926646290636285
August 2022 44.29633427326326
September 2022 96.28193238344153
October 2022 89.58280443428959
November 2022 90.81828019645384
December 2022 85.52508701927158
January 2023 61.634940402063684
February 2023 71.63807150388192
March 2023 89.08288179811359
April 2023 83.43596059113301
May 2023 96.77810322189679
June 2023 91.25036949453148
July 2023 86.68993491180078
August 2023 93.46505936735248
September 2023 83.70462412354665
October 2023 96.02530130780409
November 2023 97.14189074919668
December 2023 87.85931687521136
April 2024 96.30181648812297
May 2024 97.96490593342982
June 2024 94.91452253496804
July 2024 91.70647339812223
August 2024 71.30693228371757
September 2024 96.0724603732334
October 2024 98.04072224356511
November 2024 96.3743676222597
December 2024 96.81744625105956
February 2025 99.51861084844838
March 2025 99.65478553551394
April 2025 94.72091459314055
May 2025 92.65232974910394
June 2025 82.04413472706156
July 2025 74.165664461816
August 2025 90.27654540076901
September 2025 97.29219600725952
October 2025 87.92766726943943
November 2025 93.17143892714752
December 2025 94.51501578676849
January 2026 87.27427729985274
February 2026 86.10550125212053
March 2026 98.35701963361538