Zip Code: 20170 (Herndon, VA) - Trend of Active Listing Count of Houses (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the active listing count of houses in the 20170 Zip Code in February 2026 was 30. The month over month percentage change (MoM) was -0.0484%, and the year over year percentage change (YoY) was 0.475%.

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

The chart below shows the trend of active listing count in the 20170 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 20170 - Trend of Active Listing Count of Houses
Zip Code: 20170 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 116
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 129
Sep 2016 121
Oct 2016 114
Nov 2016 110
Dec 2016 93
Jan 2017 75
Feb 2017 56
Mar 2017 65
Apr 2017 79
May 2017 99
Jun 2017 133
Jul 2017 135
Aug 2017 133 -0.0112 0.031
Sep 2017 128 -0.0414 0.0537
Oct 2017 121 -0.051 0.0661
Nov 2017 111 -0.0826 0.0091
Dec 2017 87 -0.2207 -0.0699
Jan 2018 49 -0.4335 -0.3467
Feb 2018 40 -0.1837 -0.2793
Mar 2018 42 0.0375 -0.3615
Apr 2018 44 0.0602 -0.4395
May 2018 57 0.2955 -0.4242
Jun 2018 73 0.2719 -0.4528
Jul 2018 73 0.0069 -0.4572
Aug 2018 72 -0.0205 -0.4624
Sep 2018 66 -0.0839 -0.4863
Oct 2018 64 -0.0229 -0.4711
Nov 2018 75 0.1719 -0.3243
Dec 2018 67 -0.1067 -0.2254
Jan 2019 44 -0.3433 -0.102
Feb 2019 37 -0.1705 -0.0875
Mar 2019 37 0.0 -0.1205
Apr 2019 50 0.3699 0.1364
May 2019 61 0.21 0.0614
Jun 2019 70 0.1488 -0.0414
Jul 2019 75 0.0791 0.0274
Aug 2019 78 0.04 0.0909
Sep 2019 75 -0.0385 0.145
Oct 2019 71 -0.06 0.1016
Nov 2019 66 -0.0709 -0.1267
Dec 2019 56 -0.145 -0.1642
Jan 2020 34 -0.4018 -0.2386
Feb 2020 29 -0.1493 -0.2192
Mar 2020 32 0.1228 -0.1233
Apr 2020 38 0.1875 -0.24
May 2020 41 0.0789 -0.3223
Jun 2020 45 0.0976 -0.3525
Jul 2020 42 -0.0778 -0.4467
Aug 2020 35 -0.1687 -0.5577
Sep 2020 37 0.0725 -0.5067
Oct 2020 45 0.2027 -0.3688
Nov 2020 50 0.1236 -0.2366
Dec 2020 42 -0.17 -0.2589
Jan 2021 36 -0.1446 0.0597
Feb 2021 21 -0.4085 -0.2632
Mar 2021 16 -0.2619 -0.5156
Apr 2021 24 0.5484 -0.3684
May 2021 21 -0.125 -0.4878
Jun 2021 31 0.4762 -0.3111
Jul 2021 40 0.2903 -0.0361
Aug 2021 47 0.175 0.3623
Sep 2021 50 0.0638 0.3514
Oct 2021 48 -0.05 0.0674
Nov 2021 47 -0.0105 -0.06
Dec 2021 33 -0.3085 -0.2169
Jan 2022 14 -0.5692 -0.6056
Feb 2022 10 -0.2857 -0.5238
Mar 2022 12 0.2 -0.2258
Apr 2022 10 -0.1667 -0.5833
May 2022 21 1.1 0.0
Jun 2022 19 -0.0952 -0.3871
Jul 2022 28 0.4737 -0.3
Aug 2022 36 0.2857 -0.234
Sep 2022 44 0.2222 -0.12
Oct 2022 37 -0.1591 -0.2211
Nov 2022 34 -0.0811 -0.2766
Dec 2022 37 0.0882 0.1385
Jan 2023 29 -0.2162 1.0714
Feb 2023 18 -0.3966 0.75
Mar 2023 10 -0.4571 -0.2083
Apr 2023 14 0.4737 0.4
May 2023 16 0.1429 -0.2381
Jun 2023 17 0.0625 -0.1053
Jul 2023 16 -0.0588 -0.4286
Aug 2023 15 -0.0625 -0.5833
Sep 2023 16 0.0667 -0.6364
Oct 2023 17 0.0625 -0.5405
Nov 2023 18 0.0588 -0.4706
Dec 2023 14 -0.25 -0.6351
Jan 2024 8 -0.4074 -0.7241
Feb 2024 7 -0.125 -0.6
Mar 2024 9 0.2143 -0.1053
Apr 2024 9 0.0588 -0.3571
May 2024 17 0.8333 0.0313
Jun 2024 21 0.2727 0.2353
Jul 2024 23 0.0952 0.4375
Aug 2024 20 -0.1522 0.3
Sep 2024 22 0.1282 0.375
Oct 2024 24 0.0909 0.4118
Nov 2024 25 0.0417 0.3889
Dec 2024 20 -0.2 0.4815
Jan 2025 15 -0.275 0.8125
Feb 2025 17 0.1379 1.3571
Mar 2025 20 0.2121 1.3529
Apr 2025 30 0.5 2.3333
May 2025 50 0.6667 2.0303
Jun 2025 59 0.18 1.8095
Jul 2025 61 0.0254 1.6304
Aug 2025 56 -0.0826 1.8462
Sep 2025 49 -0.1171 1.2273
Oct 2025 55 0.1122 1.2708
Nov 2025 51 -0.0734 1.02
Dec 2025 39 -0.2277 0.95
Jan 2026 27 -0.3077 0.8621
Feb 2026 31 0.1481 0.8788
Mar 2026 30 -0.0484 0.475