Zip Code: 21788 (Thurmont, 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 21788 Zip Code in February 2026 was 10. The month over month percentage change (MoM) was -0.2308%, and the year over year percentage change (YoY) was -0.3333%.

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

The chart below shows the trend of active listing count in the 21788 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21788 - Trend of Active Listing Count of Houses
Zip Code: 21788 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 46
Sep 2016 44
Oct 2016 51
Nov 2016 46
Dec 2016 46
Jan 2017 39
Feb 2017 33
Mar 2017 28
Apr 2017 30
May 2017 44
Jun 2017 48
Jul 2017 48
Aug 2017 51 0.0625 0.1087
Sep 2017 47 -0.0784 0.0682
Oct 2017 36 -0.234 -0.2871
Nov 2017 35 -0.0278 -0.2391
Dec 2017 34 -0.0286 -0.2609
Jan 2018 28 -0.1765 -0.2821
Feb 2018 23 -0.1786 -0.303
Mar 2018 18 -0.2174 -0.3455
Apr 2018 20 0.1111 -0.322
May 2018 25 0.225 -0.4432
Jun 2018 30 0.2041 -0.3789
Jul 2018 42 0.4237 -0.125
Aug 2018 36 -0.1548 -0.3039
Sep 2018 36 0.0 -0.2447
Oct 2018 39 0.0986 0.0833
Nov 2018 48 0.2308 0.3714
Dec 2018 47 -0.0208 0.3824
Jan 2019 41 -0.1277 0.4643
Feb 2019 34 -0.1829 0.4565
Mar 2019 28 -0.1642 0.5556
Apr 2019 34 0.2143 0.7
May 2019 44 0.2794 0.7755
Jun 2019 49 0.1264 0.661
Jul 2019 40 -0.1837 -0.0476
Aug 2019 47 0.1625 0.3099
Sep 2019 50 0.0753 0.4085
Oct 2019 49 -0.02 0.2564
Nov 2019 48 -0.0204 0.0
Dec 2019 42 -0.125 -0.1064
Jan 2020 42 0.0 0.0244
Feb 2020 37 -0.131 0.0896
Mar 2020 25 -0.3151 -0.1071
Apr 2020 24 -0.06 -0.3088
May 2020 21 -0.1064 -0.5172
Jun 2020 17 -0.1905 -0.6531
Jul 2020 12 -0.2941 -0.7
Aug 2020 13 0.0417 -0.7312
Sep 2020 12 -0.04 -0.76
Oct 2020 16 0.2917 -0.6837
Nov 2020 15 -0.0323 -0.6875
Dec 2020 18 0.2 -0.5714
Jan 2021 17 -0.0833 -0.6071
Feb 2021 13 -0.2121 -0.6438
Mar 2021 11 -0.1538 -0.56
Apr 2021 11 -0.0455 -0.5532
May 2021 14 0.3333 -0.3333
Jun 2021 13 -0.0714 -0.2353
Jul 2021 16 0.1923 0.2917
Aug 2021 16 0.0323 0.28
Sep 2021 15 -0.0625 0.25
Oct 2021 17 0.1 0.0645
Nov 2021 13 -0.2121 -0.1333
Dec 2021 10 -0.2692 -0.4722
Jan 2022 5 -0.4737 -0.697
Feb 2022 4 -0.2 -0.6923
Mar 2022 3 -0.25 -0.7273
Apr 2022 6 0.8333 -0.4762
May 2022 5 -0.0909 -0.6429
Jun 2022 7 0.3 -0.5
Jul 2022 10 0.4615 -0.3871
Aug 2022 14 0.4737 -0.125
Sep 2022 12 -0.1429 -0.2
Oct 2022 11 -0.125 -0.3636
Nov 2022 12 0.1429 -0.0769
Dec 2022 12 0.0 0.2632
Jan 2023 11 -0.0833 1.2
Feb 2023 9 -0.1818 1.25
Mar 2023 13 0.4444 3.3333
Apr 2023 12 -0.1154 1.0909
May 2023 12 0.0435 1.4
Jun 2023 13 0.0417 0.9231
Jul 2023 11 -0.12 0.1579
Aug 2023 12 0.0909 -0.1429
Sep 2023 9 -0.2917 -0.2917
Oct 2023 10 0.1765 -0.0476
Nov 2023 11 0.1 -0.0833
Dec 2023 11 0.0 -0.0833
Jan 2024 15 0.3636 0.3636
Feb 2024 6 -0.6 -0.3333
Mar 2024 9 0.5 -0.3077
Apr 2024 9 0.0 -0.2174
May 2024 8 -0.1111 -0.3333
Jun 2024 11 0.3125 -0.16
Jul 2024 14 0.3333 0.2727
Aug 2024 11 -0.2143 -0.0833
Sep 2024 13 0.1818 0.5294
Oct 2024 10 -0.2308 0.0
Nov 2024 13 0.25 0.1364
Dec 2024 14 0.12 0.2727
Jan 2025 14 -0.0357 -0.1
Feb 2025 14 0.0 1.25
Mar 2025 15 0.1111 0.6667
Apr 2025 16 0.0667 0.7778
May 2025 19 0.1875 1.375
Jun 2025 18 -0.0526 0.7143
Jul 2025 20 0.0833 0.3929
Aug 2025 20 0.0256 0.8182
Sep 2025 26 0.3 1.0
Oct 2025 20 -0.25 0.95
Nov 2025 19 -0.0256 0.52
Dec 2025 15 -0.2105 0.0714
Jan 2026 15 0.0 0.1111
Feb 2026 13 -0.1333 -0.037
Mar 2026 10 -0.2308 -0.3333