Zip Code: 21140 (Riva, 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 21140 Zip Code in February 2026 was 7. The month over month percentage change (MoM) was 0.3%, and the year over year percentage change (YoY) was 3.3333%.

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

The chart below shows the trend of active listing count in the 21140 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21140 - Trend of Active Listing Count of Houses
Zip Code: 21140 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 24
Sep 2016 28
Oct 2016 27
Nov 2016 24
Dec 2016 24
Jan 2017 19
Feb 2017 14
Mar 2017 13
Apr 2017 16
May 2017 11
Jun 2017 14
Jul 2017 15
Aug 2017 19 0.3103 -0.2083
Sep 2017 20 0.0526 -0.2727
Oct 2017 21 0.05 -0.2222
Nov 2017 15 -0.2857 -0.375
Dec 2017 13 -0.1333 -0.4468
Jan 2018 10 -0.2308 -0.4737
Feb 2018 10 0.0 -0.2857
Mar 2018 13 0.25 0.0
Apr 2018 12 -0.04 -0.25
May 2018 9 -0.2917 -0.2273
Jun 2018 12 0.4118 -0.1429
Jul 2018 12 0.0 -0.1724
Aug 2018 14 0.125 -0.2895
Sep 2018 14 0.0 -0.325
Oct 2018 16 0.1852 -0.2381
Nov 2018 13 -0.1875 -0.1333
Dec 2018 11 -0.1538 -0.1538
Jan 2019 10 -0.0909 0.0
Feb 2019 7 -0.3 -0.3
Mar 2019 6 -0.1429 -0.52
Apr 2019 8 0.3333 -0.3333
May 2019 11 0.3125 0.2353
Jun 2019 11 0.0476 -0.0833
Jul 2019 12 0.0909 0.0
Aug 2019 12 -0.0417 -0.1481
Sep 2019 10 -0.1304 -0.2593
Oct 2019 10 0.0 -0.375
Nov 2019 9 -0.1 -0.3077
Dec 2019 9 0.0 -0.1818
Jan 2020 4 -0.5556 -0.6
Feb 2020 7 0.75 0.0
Mar 2020 7 0.0 0.1667
Apr 2020 7 -0.0714 -0.1875
May 2020 7 0.0 -0.381
Jun 2020 9 0.3846 -0.1818
Jul 2020 9 -0.0556 -0.2917
Aug 2020 7 -0.2353 -0.4348
Sep 2020 7 0.0769 -0.3
Oct 2020 6 -0.2143 -0.45
Nov 2020 5 -0.0909 -0.4444
Dec 2020 6 0.2 -0.3333
Jan 2021 6 -0.0833 0.375
Feb 2021 5 -0.0909 -0.2857
Mar 2021 6 0.1 -0.2143
Apr 2021 4 -0.3636 -0.4615
May 2021 6 0.7143 -0.0769
Jun 2021 6 0.0 -0.3333
Jul 2021 5 -0.25 -0.4706
Aug 2021 4 -0.1111 -0.3846
Sep 2021 7 0.75 0.0
Oct 2021 9 0.2143 0.5455
Nov 2021 10 0.1765 1.0
Dec 2021 7 -0.3 0.1667
Jan 2022 5 -0.3571 -0.1818
Feb 2022 2 -0.5556 -0.6
Mar 2022 4 0.75 -0.3636
Apr 2022 3 -0.1429 -0.1429
May 2022 3 0.0 -0.5
Jun 2022 4 0.1667 -0.4167
Jul 2022 4 0.0 -0.2222
Aug 2022 4 0.1429 0.0
Sep 2022 7 0.75 0.0
Oct 2022 7 0.0 -0.1765
Nov 2022 6 -0.1429 -0.4
Dec 2022 2 -0.6667 -0.7143
Jan 2023 1 -0.5 -0.7778
Feb 2023 2 0.5 -0.25
Mar 2023 2 0.3333 -0.4286
Apr 2023 3 0.5 0.0
May 2023 3 0.0 0.0
Jun 2023 5 0.6667 0.4286
Jul 2023 3 -0.5 -0.2857
Aug 2023 1 -0.6 -0.75
Sep 2023 3 2.0 -0.5714
Oct 2023 4 0.3333 -0.4286
Nov 2023 6 0.5 0.0
Dec 2023 4 -0.4167 0.75
Jan 2024 2 -0.4286 1.0
Feb 2024 2 -0.25 0.0
Mar 2024 5 2.0 1.25
Apr 2024 2 -0.5556 -0.3333
May 2024 2 -0.25 -0.5
Jun 2024 1 -0.3333 -0.8
Jul 2024 3 2.0 0.2
Aug 2024 2 -0.3333 1.0
Sep 2024 2 0.0 -0.3333
Oct 2024 3 0.25 -0.375
Nov 2024 3 0.2 -0.5
Dec 2024 4 0.3333 0.1429
Jan 2025 3 -0.25 0.5
Feb 2025 2 -0.5 0.0
Mar 2025 2 0.0 -0.6667
Apr 2025 4 1.6667 1.0
May 2025 5 0.125 2.0
Jun 2025 8 0.7778 7.0
Jul 2025 9 0.125 2.0
Aug 2025 6 -0.3333 2.0
Sep 2025 5 -0.1667 1.5
Oct 2025 5 0.0 1.0
Nov 2025 7 0.3 1.1667
Dec 2025 8 0.2308 1.0
Jan 2026 5 -0.375 0.6667
Feb 2026 5 0.0 2.3333
Mar 2026 7 0.3 3.3333