Zip Code: 20866 (Burtonsville, MD) - 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 20866 Zip Code in October 2025 was 68.945.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 20866 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: 20866 - Market Hotness: Trend of Supply Score
Zip Code: 20866 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 90.11558887847548
October 2017 88.15699446414132
November 2017 74.93055555555556
December 2017 59.35221627201756
January 2018 68.36441414343962
February 2018 77.20516738435894
March 2018 56.98449449238757
April 2018 90.87194404044602
May 2018 83.07860262008734
June 2018 91.03237386159677
July 2018 84.56124491509007
August 2018 81.81527848748084
September 2018 79.68551864062896
October 2018 83.57843137254902
November 2018 87.28250553622271
December 2018 76.38781804163453
January 2019 71.15650741350906
February 2019 58.354508618913535
March 2019 67.64807758919294
April 2019 59.59270433351618
May 2019 94.27865816011524
June 2019 97.5593357090029
July 2019 93.1393748771378
August 2019 96.13583138173301
September 2019 92.93495777734803
October 2019 98.90911438161632
November 2019 99.38159093867986
December 2019 93.83511592373614
August 2021 92.8336620644313
October 2021 82.18535881716552
November 2021 64.99272197962155
January 2025 97.3718791064389
June 2025 99.7135114208285
July 2025 97.95550210463018
August 2025 99.82993197278913
September 2025 80.47186932849365
October 2025 82.87884267631102
November 2025 68.94527002537151