Zip Code: 20877 (Gaithersburg, 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 20877 Zip Code in February 2026 was 26. The month over month percentage change (MoM) was 0.0%, and the year over year percentage change (YoY) was 0.5758%.

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

The chart below shows the trend of active listing count in the 20877 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 20877 - Trend of Active Listing Count of Houses
Zip Code: 20877 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 48
Sep 2016 56
Oct 2016 60
Nov 2016 55
Dec 2016 50
Jan 2017 37
Feb 2017 26
Mar 2017 28
Apr 2017 32
May 2017 40
Jun 2017 46
Jul 2017 55
Aug 2017 48 -0.1273 0.0
Sep 2017 51 0.0521 -0.0901
Oct 2017 49 -0.0297 -0.1765
Nov 2017 44 -0.1122 -0.2091
Dec 2017 42 -0.046 -0.1616
Jan 2018 36 -0.1325 -0.027
Feb 2018 24 -0.3333 -0.0769
Mar 2018 25 0.0208 -0.1091
Apr 2018 31 0.2653 -0.0313
May 2018 40 0.2903 0.0
Jun 2018 47 0.1625 0.0109
Jul 2018 47 0.0108 -0.1455
Aug 2018 46 -0.0319 -0.0521
Sep 2018 50 0.0989 -0.0099
Oct 2018 47 -0.06 -0.0408
Nov 2018 47 -0.0106 0.069
Dec 2018 42 -0.0968 0.012
Jan 2019 27 -0.3571 -0.25
Feb 2019 27 0.0 0.125
Mar 2019 29 0.0556 0.1633
Apr 2019 33 0.1579 0.0645
May 2019 32 -0.0303 -0.2
Jun 2019 24 -0.25 -0.4839
Jul 2019 26 0.0833 -0.4468
Aug 2019 38 0.4615 -0.1648
Sep 2019 40 0.0526 -0.2
Oct 2019 46 0.1375 -0.0319
Nov 2019 49 0.0769 0.0538
Dec 2019 39 -0.2041 -0.0714
Jan 2020 31 -0.2051 0.1481
Feb 2020 26 -0.1774 -0.0556
Mar 2020 20 -0.2157 -0.2982
Apr 2020 25 0.225 -0.2576
May 2020 23 -0.0612 -0.2813
Jun 2020 25 0.087 0.0417
Jul 2020 27 0.08 0.0385
Aug 2020 28 0.0185 -0.2763
Sep 2020 28 0.0182 -0.3
Oct 2020 19 -0.3393 -0.5934
Nov 2020 20 0.0811 -0.5918
Dec 2020 17 -0.15 -0.5641
Jan 2021 19 0.0882 -0.4032
Feb 2021 13 -0.2973 -0.4902
Mar 2021 11 -0.1923 -0.475
Apr 2021 12 0.1429 -0.5102
May 2021 15 0.2083 -0.3696
Jun 2021 16 0.1034 -0.36
Jul 2021 21 0.2813 -0.2407
Aug 2021 21 0.0244 -0.2364
Sep 2021 23 0.0952 -0.1786
Oct 2021 27 0.1522 0.4324
Nov 2021 24 -0.0943 0.2
Dec 2021 22 -0.1042 0.2647
Jan 2022 14 -0.3721 -0.2703
Feb 2022 11 -0.1852 -0.1538
Mar 2022 11 -0.0455 0.0
Apr 2022 22 1.0476 0.7917
May 2022 17 -0.2093 0.1724
Jun 2022 19 0.1176 0.1875
Jul 2022 16 -0.1842 -0.2439
Aug 2022 27 0.7419 0.2857
Sep 2022 34 0.2593 0.4783
Oct 2022 26 -0.25 -0.0377
Nov 2022 24 -0.0588 0.0
Dec 2022 26 0.0625 0.186
Jan 2023 14 -0.451 0.037
Feb 2023 6 -0.5714 -0.4545
Mar 2023 4 -0.3333 -0.619
Apr 2023 9 1.25 -0.5814
May 2023 9 0.0 -0.4706
Jun 2023 13 0.3889 -0.3421
Jul 2023 11 -0.16 -0.3226
Aug 2023 11 0.0476 -0.5926
Sep 2023 10 -0.1364 -0.7206
Oct 2023 13 0.3684 -0.4902
Nov 2023 15 0.1154 -0.3958
Dec 2023 17 0.1379 -0.3529
Jan 2024 12 -0.2727 -0.1429
Feb 2024 6 -0.5 0.0
Mar 2024 5 -0.1667 0.25
Apr 2024 7 0.4 -0.2222
May 2024 12 0.6429 0.2778
Jun 2024 8 -0.3043 -0.36
Jul 2024 13 0.625 0.2381
Aug 2024 14 0.0385 0.2273
Sep 2024 13 -0.037 0.3684
Oct 2024 15 0.1538 0.1538
Nov 2024 18 0.2 0.2414
Dec 2024 19 0.0556 0.1515
Jan 2025 19 0.0 0.5833
Feb 2025 21 0.0789 2.4167
Mar 2025 17 -0.1951 2.3
Apr 2025 20 0.2121 1.8571
May 2025 26 0.3 1.2609
Jun 2025 30 0.1538 2.75
Jul 2025 40 0.3333 2.0769
Aug 2025 37 -0.075 1.7407
Sep 2025 29 -0.2162 1.2308
Oct 2025 30 0.0345 1.0
Nov 2025 40 0.3167 1.1944
Dec 2025 31 -0.2152 0.6316
Jan 2026 32 0.0161 0.6579
Feb 2026 26 -0.1746 0.2683
Mar 2026 26 0.0 0.5758