Zip Code: 20171 (Herndon, VA) - Trend of House - Median Days on Market (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the median days on market for houses in the 20171 Zip Code in February 2026 was 18 days. The month over month percentage change (MoM) was -0.6471%, and the year over year percentage change (YoY) was 0.1077%.

You can see similar for other Virginia Zip Codes, and for Virginia.

The chart below shows the trend of the median days on market for houses in the 20171 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 20171 - Trend of House - Median Days on Market
Zip Code: 20171 Trend of House - Median Days on Market
Items per page:
1 – 10 of 116
Month Med. Days on Market MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 32
Sep 2016 52
Oct 2016 51
Nov 2016 53
Dec 2016 64
Jan 2017 83
Feb 2017 58
Mar 2017 24
Apr 2017 23
May 2017 30
Jun 2017 23
Jul 2017 38
Aug 2017 32 -0.1467 0.0
Sep 2017 35 0.0781 -0.3333
Oct 2017 43 0.2464 -0.161
Nov 2017 48 0.1105 -0.0991
Dec 2017 69 0.4346 0.0703
Jan 2018 56 -0.1825 -0.3253
Feb 2018 51 -0.0982 -0.1293
Mar 2018 36 -0.2822 0.5263
Apr 2018 15 -0.5862 -0.3333
May 2018 24 0.6167 -0.1917
Jun 2018 27 0.0928 0.1778
Jul 2018 27 0.0189 -0.28
Aug 2018 29 0.0833 -0.0859
Sep 2018 37 0.2564 0.0652
Oct 2018 44 0.1973 0.0233
Nov 2018 54 0.2159 0.1204
Dec 2018 47 -0.1262 -0.3175
Jan 2019 44 -0.0588 -0.2143
Feb 2019 69 0.5739 0.3713
Mar 2019 35 -0.4946 -0.0345
Apr 2019 26 -0.2571 0.7333
May 2019 21 -0.2019 -0.1443
Jun 2019 23 0.0843 -0.1509
Jul 2019 32 0.4 0.1667
Aug 2019 35 0.1032 0.188
Sep 2019 32 -0.0791 -0.1293
Oct 2019 33 0.0313 -0.25
Nov 2019 33 0.0 -0.3832
Dec 2019 37 0.1212 -0.2086
Jan 2020 50 0.3378 0.125
Feb 2020 47 -0.0606 -0.3285
Mar 2020 26 -0.4409 -0.2571
Apr 2020 20 -0.25 -0.25
May 2020 24 0.2308 0.1566
Jun 2020 32 0.3125 0.4
Jul 2020 34 0.0714 0.0714
Aug 2020 21 -0.3778 -0.3957
Sep 2020 21 0.0 -0.3438
Oct 2020 28 0.3095 -0.1667
Nov 2020 23 -0.1636 -0.303
Dec 2020 36 0.5435 -0.0405
Jan 2021 38 0.0704 -0.2323
Feb 2021 45 0.1842 -0.0323
Mar 2021 23 -0.4889 -0.1154
Apr 2021 30 0.2826 0.5128
May 2021 26 -0.1186 0.0833
Jun 2021 26 0.0 -0.1746
Jul 2021 26 0.0 -0.2296
Aug 2021 30 0.1538 0.4286
Sep 2021 24 -0.2167 0.119
Oct 2021 34 0.4255 0.2182
Nov 2021 37 0.1045 0.6087
Dec 2021 48 0.2838 0.338
Jan 2022 47 -0.0158 0.2303
Feb 2022 59 0.262 0.3111
Mar 2022 16 -0.7288 -0.3043
Apr 2022 22 0.375 -0.2542
May 2022 26 0.1591 -0.0192
Jun 2022 19 -0.2451 -0.2596
Jul 2022 22 0.1169 -0.1731
Aug 2022 31 0.4419 0.0333
Sep 2022 41 0.3226 0.7447
Oct 2022 39 -0.0427 0.1716
Nov 2022 36 -0.0828 -0.027
Dec 2022 40 0.1042 -0.1632
Jan 2023 45 0.1195 -0.0481
Feb 2023 51 0.1517 -0.1314
Mar 2023 27 -0.478 0.6719
Apr 2023 23 -0.1402 0.0455
May 2023 22 -0.0435 -0.1373
Jun 2023 31 0.3864 0.5844
Jul 2023 30 -0.0164 0.3953
Aug 2023 21 -0.3 -0.3226
Sep 2023 30 0.4286 -0.2683
Oct 2023 34 0.1333 -0.1338
Nov 2023 28 -0.1765 -0.2222
Dec 2023 30 0.0714 -0.2453
Jan 2024 34 0.1333 -0.236
Feb 2024 52 0.5221 0.0098
Mar 2024 17 -0.6812 -0.3832
Apr 2024 16 -0.0606 -0.3261
May 2024 14 -0.129 -0.3864
Jun 2024 13 -0.037 -0.5738
Jul 2024 16 0.2308 -0.4667
Aug 2024 20 0.2188 -0.0714
Sep 2024 22 0.1282 -0.2667
Oct 2024 29 0.3182 -0.1471
Nov 2024 20 -0.3276 -0.3036
Dec 2024 29 0.4872 -0.0333
Jan 2025 30 0.0172 -0.1324
Feb 2025 34 0.161 -0.3382
Mar 2025 16 -0.5255 -0.0152
Apr 2025 11 -0.3231 -0.2903
May 2025 17 0.5455 0.2593
Jun 2025 19 0.1176 0.4615
Jul 2025 24 0.2368 0.4688
Aug 2025 37 0.5532 0.8718
Sep 2025 32 -0.1233 0.4545
Oct 2025 31 -0.0391 0.0603
Nov 2025 36 0.1626 0.8333
Dec 2025 36 0.007 0.2414
Jan 2026 44 0.2222 0.4915
Feb 2026 51 0.1591 0.4891
Mar 2026 18 -0.6471 0.1077