Zip Code: 20851 (Rockville, MD) - 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 20851 Zip Code in February 2026 was 7. The month over month percentage change (MoM) was -0.0714%, and the year over year percentage change (YoY) was 0.1818%.

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

The chart below shows the trend of active listing count in the 20851 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 20851 - Trend of Active Listing Count of Houses
Zip Code: 20851 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 25
Sep 2016 25
Oct 2016 22
Nov 2016 17
Dec 2016 16
Jan 2017 8
Feb 2017 8
Mar 2017 9
Apr 2017 10
May 2017 12
Jun 2017 11
Jul 2017 14
Aug 2017 15 0.1111 -0.4
Sep 2017 14 -0.1 -0.449
Oct 2017 14 0.037 -0.3636
Nov 2017 17 0.2143 0.0
Dec 2017 14 -0.1765 -0.125
Jan 2018 9 -0.3571 0.125
Feb 2018 9 -0.0556 0.0625
Mar 2018 9 0.0 -0.0556
Apr 2018 9 0.0588 -0.1
May 2018 16 0.7778 0.3333
Jun 2018 16 -0.0313 0.4091
Jul 2018 11 -0.2903 -0.1852
Aug 2018 11 -0.0455 -0.3
Sep 2018 16 0.4762 0.1481
Oct 2018 15 -0.0323 0.0714
Nov 2018 19 0.2333 0.0882
Dec 2018 15 -0.2162 0.0357
Jan 2019 13 -0.1034 0.4444
Feb 2019 13 0.0 0.5294
Mar 2019 15 0.1538 0.7647
Apr 2019 15 0.0 0.6667
May 2019 17 0.1 0.0313
Jun 2019 20 0.2121 0.2903
Jul 2019 19 -0.05 0.7273
Aug 2019 18 -0.0789 0.6667
Sep 2019 19 0.0857 0.2258
Oct 2019 17 -0.1316 0.1
Nov 2019 16 -0.0303 -0.1351
Dec 2019 14 -0.125 -0.0345
Jan 2020 8 -0.4286 -0.3846
Feb 2020 7 -0.1875 -0.5
Mar 2020 7 0.0769 -0.5333
Apr 2020 9 0.2857 -0.4
May 2020 9 -0.0556 -0.4848
Jun 2020 13 0.5294 -0.35
Jul 2020 7 -0.4615 -0.6316
Aug 2020 6 -0.2143 -0.6857
Sep 2020 5 -0.0909 -0.7368
Oct 2020 8 0.5 -0.5455
Nov 2020 7 -0.0667 -0.5625
Dec 2020 5 -0.2857 -0.6429
Jan 2021 5 0.0 -0.375
Feb 2021 5 0.0 -0.2308
Mar 2021 3 -0.4 -0.5714
Apr 2021 4 0.3333 -0.5556
May 2021 4 -0.125 -0.5882
Jun 2021 10 1.8571 -0.2308
Jul 2021 9 -0.15 0.2143
Aug 2021 13 0.5294 1.3636
Sep 2021 16 0.1923 2.1
Oct 2021 16 0.0323 1.1333
Nov 2021 21 0.3125 2.0
Dec 2021 17 -0.2143 2.3
Jan 2022 8 -0.5152 0.6
Feb 2022 5 -0.375 0.0
Mar 2022 2 -0.6 -0.3333
Apr 2022 4 0.75 -0.125
May 2022 6 0.7143 0.7143
Jun 2022 10 0.6667 0.0
Jul 2022 9 -0.1 0.0588
Aug 2022 10 0.1111 -0.2308
Sep 2022 10 -0.05 -0.3871
Oct 2022 11 0.1053 -0.3438
Nov 2022 7 -0.3333 -0.6667
Dec 2022 5 -0.2857 -0.697
Jan 2023 4 -0.2 -0.5
Feb 2023 3 -0.375 -0.5
Mar 2023 4 0.6 1.0
Apr 2023 6 0.375 0.5714
May 2023 6 0.0909 0.0
Jun 2023 7 0.1667 -0.3
Jul 2023 6 -0.1429 -0.3333
Aug 2023 8 0.3333 -0.2
Sep 2023 7 -0.1875 -0.3158
Oct 2023 9 0.3846 -0.1429
Nov 2023 9 0.0 0.2857
Dec 2023 9 0.0 0.8
Jan 2024 5 -0.4444 0.25
Feb 2024 6 0.1 1.2
Mar 2024 3 -0.5455 -0.375
Apr 2024 3 0.2 -0.4545
May 2024 6 0.8333 -0.0833
Jun 2024 8 0.4545 0.1429
Jul 2024 8 0.0 0.3333
Aug 2024 10 0.25 0.25
Sep 2024 11 0.1 0.6923
Oct 2024 14 0.2273 0.5
Nov 2024 10 -0.2593 0.1111
Dec 2024 9 -0.1 0.0
Jan 2025 7 -0.2222 0.4
Feb 2025 7 0.0 0.2727
Mar 2025 6 -0.2143 1.2
Apr 2025 4 -0.2727 0.3333
May 2025 10 1.5 0.8182
Jun 2025 14 0.4 0.75
Jul 2025 13 -0.1071 0.5625
Aug 2025 18 0.4 0.75
Sep 2025 14 -0.2 0.2727
Oct 2025 16 0.1429 0.1852
Nov 2025 16 0.0 0.6
Dec 2025 11 -0.3125 0.2222
Jan 2026 9 -0.2273 0.2143
Feb 2026 7 -0.1765 0.0
Mar 2026 7 -0.0714 0.1818