Zip Code: 21737 (Glenelg, 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 21737 Zip Code in February 2026 was 2. The month over month percentage change (MoM) was 0.0%, and the year over year percentage change (YoY) was 1.0%.

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

The chart below shows the trend of active listing count in the 21737 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21737 - Trend of Active Listing Count of Houses
Zip Code: 21737 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 111
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 18
Sep 2016 20
Oct 2016 21
Nov 2016 15
Dec 2016 10
Jan 2017 8
Feb 2017 7
Mar 2017 6
Apr 2017 10
May 2017 14
Jun 2017 13
Jul 2017 13
Aug 2017 9 -0.28 -0.5
Sep 2017 8 -0.1111 -0.6
Oct 2017 10 0.25 -0.5122
Nov 2017 10 -0.05 -0.3667
Dec 2017 10 0.0 -0.05
Jan 2018 10 0.0526 0.25
Feb 2018 10 -0.05 0.3571
Mar 2018 6 -0.4211 -0.0833
Apr 2018 5 -0.0909 -0.5
May 2018 10 1.0 -0.2857
Jun 2018 8 -0.2 -0.3846
Jul 2018 12 0.5 -0.04
Aug 2018 15 0.2083 0.6111
Sep 2018 12 -0.1724 0.5
Oct 2018 15 0.25 0.5
Nov 2018 11 -0.3 0.1053
Dec 2018 11 0.0476 0.1579
Jan 2019 6 -0.4545 -0.4
Feb 2019 6 -0.0833 -0.4211
Mar 2019 4 -0.3636 -0.3636
Apr 2019 7 1.0 0.4
May 2019 10 0.3571 -0.05
Jun 2019 13 0.3158 0.5625
Jul 2019 13 0.04 0.0833
Aug 2019 12 -0.0769 -0.1724
Sep 2019 11 -0.0833 -0.0833
Oct 2019 10 -0.0909 -0.3333
Nov 2019 10 0.0 -0.0476
Dec 2019 8 -0.2 -0.2727
Jan 2020 8 0.0 0.3333
Feb 2020 7 -0.125 0.2727
Mar 2020 5 -0.2857 0.4286
Apr 2020 7 0.3 -0.0714
May 2020 6 -0.1538 -0.4211
Jun 2020 3 -0.4545 -0.76
Jul 2020 2 -0.3333 -0.8462
Aug 2020 2 0.0 -0.8333
Sep 2020 2 0.0 -0.8182
Oct 2020 1 -0.5 -0.9
Nov 2020 1 0.0 -0.9
Dec 2020 1 0.0 -0.875
Jan 2021 2 0.5 -0.8125
Feb 2021 1 -0.3333 -0.8571
Mar 2021 1 -0.5 -0.9
Apr 2021 0 -1.0 -1.0
May 2021 1 -0.8182
Jun 2021 1 0.0 -0.6667
Jul 2021 1 0.0 -0.5
Aug 2021 1 0.0 -0.5
Sep 2021 2 1.0 0.0
Oct 2021 1 -0.5 0.0
Nov 2021 1 0.0 0.0
Dec 2021 0 -1.0 -1.0
Jan 2022 1 -0.6667
Mar 2022 0 -1.0
Apr 2022 1
May 2022 2 1.0 1.0
Jun 2022 1 -0.5 0.0
Jul 2022 1 0.0 0.0
Aug 2022 1 -0.5 -0.5
Sep 2022 1 1.0 -0.5
Oct 2022 1 -0.5 -0.5
Nov 2022 1 1.0 0.0
Dec 2022 0 -1.0
Jan 2023 0 -1.0
May 2023 2 0.0
Jun 2023 1 -0.5 0.0
Jul 2023 1 0.0 0.0
Aug 2023 1 0.0 1.0
Sep 2023 1 0.0 0.0
Oct 2023 2 1.0 3.0
Nov 2023 1 -0.5 0.0
Dec 2023 1 0.0
Jan 2024 1 0.0
Feb 2024 1 0.0
Mar 2024 1 0.0
Apr 2024 1 0.0
May 2024 1 0.0 -0.5
Jun 2024 2 0.5 0.5
Jul 2024 2 0.3333 1.0
Aug 2024 2 0.0 1.0
Sep 2024 1 -0.5 0.0
Oct 2024 2 0.5 -0.25
Nov 2024 1 -0.3333 0.0
Dec 2024 0 -1.0 -1.0
Jan 2025 0 -1.0
Mar 2025 1 0.0
Apr 2025 3 2.0 2.0
May 2025 3 0.0 2.0
Jun 2025 3 0.0 1.0
Jul 2025 3 -0.1667 0.25
Aug 2025 2 -0.2 0.0
Sep 2025 1 -0.5 0.0
Oct 2025 1 0.0 -0.3333
Nov 2025 2 0.5 0.5
Dec 2025 2 0.0
Jan 2026 1 -0.6667
Feb 2026 2 3.0
Mar 2026 2 0.0 1.0