Zip Code: 20171 (Herndon, VA) - 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 20171 Zip Code in February 2026 was 99.392.

You can see similar for other Virginia Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 20171 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: 20171 - Market Hotness: Trend of Supply Score
Zip Code: 20171 - Market Hotness: Trend of Supply Score
Items per page:
0 of 0
Month Supply Score
September 2017 89.16588566073102
October 2017 83.06276046526094
November 2017 79.36868686868686
December 2017 54.493838312149165
January 2018 82.85542410266693
February 2018 89.60272260036116
March 2018 88.38139339086509
April 2018 98.78800470946742
May 2018 92.26937772925764
June 2018 88.39327261849365
July 2018 90.37257054303609
August 2018 91.59427695452223
September 2018 83.94623383210754
October 2018 78.2051282051282
November 2018 67.18127174944638
December 2018 81.79131328707273
January 2019 94.38550247116969
February 2019 69.39083854130898
March 2019 92.26879113266367
April 2019 96.72243554580362
May 2019 96.80318309665911
June 2019 95.32037921065017
July 2019 88.43457178428675
August 2019 88.51157949518606
September 2019 93.75362599110424
October 2019 94.02272140459593
November 2019 93.97213904439526
December 2019 94.69873114993689
January 2020 90.95856006697363
February 2020 93.87322915145319
March 2020 95.99852887090842
April 2020 96.52664390678343
May 2020 97.88742908330845
June 2020 93.77300383084204
July 2020 85.83249555332148
August 2020 96.36942675159236
September 2020 94.85695655717662
October 2020 86.53362401475768
November 2020 93.08953341740227
December 2020 83.66249338740963
January 2021 89.62879002550298
February 2021 80.7997526538184
March 2021 92.65845873233015
April 2021 73.58556461001164
May 2021 72.39030023094688
June 2021 65.06931557690208
July 2021 63.80337135358837
August 2021 57.83788860711938
September 2021 83.3318161128812
October 2021 65.75009015506672
November 2021 61.79949053857351
December 2021 45.295383411580595
January 2022 63.09589342728174
February 2022 46.89406199427362
March 2022 93.94060995184591
April 2022 78.27604032049625
May 2022 61.786048689138575
June 2022 76.29836540451066
July 2022 78.36436047050105
August 2022 57.30154661197984
September 2022 47.18826405867971
October 2022 70.23779301007023
November 2022 79.9883459585449
December 2022 81.21232702266747
January 2023 89.86835082725494
February 2023 83.53302022428831
March 2023 96.09672887818583
April 2023 95.47413793103449
May 2023 94.26320573679426
June 2023 75.46556310966598
July 2023 77.4266578624658
August 2023 96.02102782561407
September 2023 83.70462412354665
October 2023 78.57936575775707
November 2023 91.66243869440216
December 2023 93.10111599594183
January 2024 96.6893263882758
March 2024 99.21673512274334
April 2024 98.93805309734513
May 2024 98.89652677279305
June 2024 98.16093938870661
July 2024 98.62460879591501
August 2024 98.28098642461242
September 2024 97.74342156633091
October 2024 92.44717633499808
November 2024 99.21048597271194
December 2024 97.57262849657086
January 2025 99.34296977660972
February 2025 97.77357517407376
March 2025 99.47354794165875
April 2025 99.57969065232011
May 2025 97.7761485826002
June 2025 96.96476964769649
July 2025 95.23451593505713
August 2025 82.74918663117421
September 2025 91.23774954627949
October 2025 93.04882459312839
November 2025 88.56832185574484
December 2025 93.35487187018137
January 2026 94.00914516004029
February 2026 89.49834396962598
March 2026 99.3920972644377