Zip Code: 18031 (Breinigsville, PA) - 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 18031 Zip Code in January 2026 was 81.339.

You can see similar for other Pennsylvania Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 18031 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: 18031 - Market Hotness: Trend of Supply Score
Zip Code: 18031 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 72.63980006248048
October 2017 62.25663992038316
November 2017 92.92929292929293
December 2017 89.70256145557778
January 2018 75.26234877347771
February 2018 60.432004445061814
March 2018 96.61123973900231
April 2018 94.73647759540135
May 2018 86.88591703056768
June 2018 91.57083028651199
July 2018 62.56214889907664
August 2018 35.97981604496678
September 2018 34.383717981232564
October 2018 48.98190045248869
November 2018 55.450806706738376
December 2018 87.41968645592392
January 2019 79.90774299835255
February 2019 78.64844447496738
March 2019 63.24904745410461
April 2019 69.56253428414702
May 2019 79.89984221719146
June 2019 83.01620385934243
July 2019 51.66764956424874
August 2019 56.84361176164455
September 2019 59.09882034422742
October 2019 67.37671056028918
November 2019 60.53248274964197
December 2019 98.86401381784363
January 2020 93.42123622157109
February 2020 91.14210603183876
March 2020 80.82383229128357
April 2020 30.399287516698827
September 2020 98.6877496128454
October 2020 94.56649337581754
November 2020 98.68852459016394
August 2021 97.60495914342067
September 2021 86.9458352298589
October 2021 91.66065632888568
November 2021 98.97197962154294
December 2021 86.87402190923318
January 2022 43.22360453594627
May 2022 86.14232209737828
June 2022 51.965652803641625
July 2022 72.7053811243864
August 2022 56.32743740921131
September 2022 94.58730292555434
October 2023 82.08393879818789
November 2023 73.2538474547607
December 2023 79.99661819411565
January 2024 55.036638121303085
October 2024 99.18555512869766
November 2024 98.6585926720834
December 2024 93.95083609462897
January 2025 82.10413929040736
June 2025 93.83662408052652
July 2025 99.39116055321708
November 2025 96.78144255164915
January 2026 99.74424552429667
February 2026 81.33936505372002