Zip Code: 21662 (Royal Oak, 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 21662 Zip Code in February 2026 was 12. The month over month percentage change (MoM) was 0.0455%, and the year over year percentage change (YoY) was 0.5333%.

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

The chart below shows the trend of active listing count in the 21662 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21662 - Trend of Active Listing Count of Houses
Zip Code: 21662 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 115
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 25
Sep 2016 25
Oct 2016 24
Nov 2016 25
Dec 2016 21
Jan 2017 17
Feb 2017 14
Mar 2017 14
Apr 2017 16
May 2017 14
Jun 2017 16
Jul 2017 17
Aug 2017 18 0.0588 -0.28
Sep 2017 18 0.0 -0.28
Oct 2017 20 0.1111 -0.1667
Nov 2017 21 0.025 -0.18
Dec 2017 22 0.0732 0.0476
Jan 2018 18 -0.1818 0.0588
Feb 2018 19 0.0278 0.3214
Mar 2018 17 -0.1081 0.1786
Apr 2018 17 0.0303 0.0968
May 2018 21 0.2353 0.5
Jun 2018 21 0.0 0.3125
Jul 2018 21 0.0 0.2353
Aug 2018 21 0.0 0.1667
Sep 2018 21 -0.0238 0.1389
Oct 2018 17 -0.1707 -0.15
Nov 2018 17 -0.0294 -0.1951
Dec 2018 17 0.0303 -0.2273
Jan 2019 19 0.1176 0.0556
Feb 2019 19 0.0 0.027
Mar 2019 20 0.0526 0.2121
Apr 2019 18 -0.1 0.0588
May 2019 15 -0.1667 -0.2857
Jun 2019 14 -0.1 -0.3571
Jul 2019 15 0.1111 -0.2857
Aug 2019 16 0.0667 -0.2381
Sep 2019 18 0.125 -0.122
Oct 2019 21 0.1389 0.2059
Nov 2019 22 0.0732 0.3333
Dec 2019 21 -0.0455 0.2353
Jan 2020 19 -0.0952 0.0
Feb 2020 16 -0.1579 -0.1579
Mar 2020 15 -0.0625 -0.25
Apr 2020 15 0.0 -0.1667
May 2020 17 0.1333 0.1333
Jun 2020 15 -0.1176 0.1111
Jul 2020 15 0.0 0.0
Aug 2020 14 -0.1 -0.1563
Sep 2020 15 0.1111 -0.1667
Oct 2020 13 -0.1333 -0.3659
Nov 2020 14 0.0769 -0.3636
Dec 2020 10 -0.3214 -0.5476
Jan 2021 10 0.0526 -0.4737
Feb 2021 9 -0.1 -0.4375
Mar 2021 7 -0.2222 -0.5333
Apr 2021 6 -0.2143 -0.6333
May 2021 5 -0.0909 -0.7059
Jun 2021 5 0.0 -0.6667
Jul 2021 4 -0.2 -0.7333
Aug 2021 6 0.5 -0.5556
Sep 2021 3 -0.5833 -0.8333
Oct 2021 7 1.6 -0.5
Nov 2021 7 0.0769 -0.5
Dec 2021 5 -0.3571 -0.5263
Jan 2022 5 0.1111 -0.5
Feb 2022 2 -0.6 -0.7778
Mar 2022 1 -0.5 -0.8571
May 2022 2 -0.6
Jun 2022 17 7.25 2.3
Jul 2022 17 0.0303 3.25
Aug 2022 17 0.0 1.8333
Sep 2022 15 -0.1176 5.0
Oct 2022 12 -0.2 0.8462
Nov 2022 11 -0.0833 0.5714
Dec 2022 8 -0.2727 0.7778
Jan 2023 3 -0.625 -0.4
Feb 2023 3 0.0 0.5
Mar 2023 3 0.0 2.0
Apr 2023 5 0.6667
May 2023 4 -0.2 1.0
Jun 2023 7 0.625 -0.6061
Jul 2023 8 0.2308 -0.5294
Aug 2023 9 0.125 -0.4706
Sep 2023 9 0.0 -0.4
Oct 2023 9 0.0 -0.25
Nov 2023 11 0.1667 -0.0455
Dec 2023 10 -0.0476 0.25
Jan 2024 7 -0.3 1.3333
Feb 2024 9 0.2857 2.0
Mar 2024 10 0.0556 2.1667
Apr 2024 11 0.1579 1.2
May 2024 9 -0.1818 1.25
Jun 2024 9 -0.0556 0.3077
Jul 2024 12 0.4118 0.5
Aug 2024 13 0.0833 0.4444
Sep 2024 10 -0.2308 0.1111
Oct 2024 7 -0.3 -0.2222
Nov 2024 7 -0.0714 -0.381
Dec 2024 6 -0.0769 -0.4
Jan 2025 9 0.4167 0.2143
Feb 2025 8 -0.1176 -0.1667
Mar 2025 8 0.0 -0.2105
Apr 2025 7 -0.0667 -0.3636
May 2025 6 -0.1429 -0.3333
Jun 2025 9 0.5 0.0588
Jul 2025 9 0.0 -0.25
Aug 2025 8 -0.1667 -0.4231
Sep 2025 8 0.0667 -0.2
Oct 2025 9 0.125 0.2857
Nov 2025 11 0.1667 0.6154
Dec 2025 10 -0.0476 0.6667
Jan 2026 12 0.2 0.4118
Feb 2026 11 -0.0833 0.4667
Mar 2026 12 0.0455 0.5333