Zip Code: 85378 (Surprise, AZ) - 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 85378 Zip Code in February 2026 was 89.625.

You can see similar for other Arizona Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 85378 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: 85378 - Market Hotness: Trend of Supply Score
Zip Code: 85378 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 54.28928459856295
October 2017 48.0811096597624
November 2017 44.67171717171718
December 2017 50.30647138525066
January 2018 48.59300848873738
February 2018 66.50229198499792
March 2018 92.7032905353259
April 2018 77.560772906711
May 2018 79.80349344978166
June 2018 55.27487868111414
July 2018 26.4286175502034
August 2018 51.50102197240675
September 2018 89.11361907177276
October 2018 83.57843137254902
November 2018 64.04302435937994
December 2018 38.45412490362375
January 2019 28.197693574958816
February 2019 83.80605727628597
March 2019 87.91825424315898
April 2019 64.48848052660449
May 2019 24.003567263497292
June 2019 89.80030928528205
July 2019 91.92713452591573
August 2019 68.11735623211032
September 2019 72.02991039773093
October 2019 89.4848954298993
November 2019 93.47741179533915
August 2022 53.23421344954286
September 2022 95.17747238850014
October 2022 83.3883388338834
November 2022 82.61050528594023
December 2022 82.75744969861618
January 2023 43.83561643835616
February 2023 36.5379085593789
March 2023 51.023479831426855
December 2023 91.30030436252959
April 2024 64.19189566837447
May 2024 36.85781476121563
June 2024 41.15006043861164
July 2024 63.688025037061436
August 2024 60.775965941039445
September 2024 31.7326462091044
October 2024 59.3776411832501
November 2024 76.90479840564157
December 2024 59.605455806426754
January 2025 91.36826544021025
February 2025 91.04272328720022
March 2025 71.3385690860447
April 2025 37.68493611297915
May 2025 14.752362333007493
June 2025 25.474254742547426
July 2025 64.11605532170775
August 2025 50.761608991422655
September 2025 46.72958257713249
October 2025 44.99095840867993
November 2025 65.37151141718014
December 2025 44.7095968867024
January 2026 47.05107339378439
February 2026 78.09192988125051
March 2026 89.62457898628111