Zip Code: 18651 (Plymouth, PA) - 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 18651 Zip Code in February 2026 was 13. The month over month percentage change (MoM) was 0.0417%, and the year over year percentage change (YoY) was -0.3421%.

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

The chart below shows the trend of active listing count in the 18651 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 18651 - Trend of Active Listing Count of Houses
Zip Code: 18651 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 42
Sep 2016 45
Oct 2016 45
Nov 2016 43
Dec 2016 41
Jan 2017 38
Feb 2017 35
Mar 2017 31
Apr 2017 32
May 2017 31
Jun 2017 35
Jul 2017 37
Aug 2017 39 0.0685 -0.0714
Sep 2017 37 -0.0513 -0.1685
Oct 2017 43 0.1622 -0.0337
Nov 2017 41 -0.0465 -0.0465
Dec 2017 43 0.0488 0.0488
Jan 2018 39 -0.093 0.0263
Feb 2018 34 -0.1282 -0.0286
Mar 2018 33 -0.0441 0.0484
Apr 2018 27 -0.1692 -0.1563
May 2018 28 0.0185 -0.1129
Jun 2018 30 0.0727 -0.1449
Jul 2018 30 0.0169 -0.1781
Aug 2018 33 0.0833 -0.1667
Sep 2018 33 0.0 -0.1216
Oct 2018 36 0.1077 -0.1628
Nov 2018 29 -0.1944 -0.2927
Dec 2018 30 0.0172 -0.314
Jan 2019 33 0.1186 -0.1538
Feb 2019 30 -0.1061 -0.1324
Mar 2019 25 -0.1695 -0.2462
Apr 2019 21 -0.1429 -0.2222
May 2019 24 0.1429 -0.1273
Jun 2019 29 0.2083 -0.0169
Jul 2019 29 0.0 -0.0333
Aug 2019 28 -0.0345 -0.1385
Sep 2019 27 -0.0357 -0.1692
Oct 2019 27 0.0 -0.25
Nov 2019 27 0.0 -0.069
Dec 2019 24 -0.1111 -0.1864
Jan 2020 22 -0.0833 -0.3333
Feb 2020 22 0.0 -0.2542
Mar 2020 21 -0.0455 -0.1429
Apr 2020 17 -0.2143 -0.2143
May 2020 17 0.0 -0.3125
Jun 2020 15 -0.0909 -0.4828
Jul 2020 13 -0.1333 -0.5517
Aug 2020 11 -0.1923 -0.625
Sep 2020 13 0.2381 -0.5185
Oct 2020 10 -0.2692 -0.6481
Nov 2020 9 -0.0526 -0.6667
Dec 2020 7 -0.2222 -0.7083
Jan 2021 8 0.0714 -0.6591
Feb 2021 9 0.2 -0.5909
Mar 2021 10 0.0556 -0.5476
Apr 2021 9 -0.0526 -0.4545
May 2021 7 -0.2778 -0.6061
Jun 2021 7 0.0769 -0.5333
Jul 2021 9 0.2857 -0.3077
Aug 2021 14 0.5556 0.3333
Sep 2021 11 -0.2143 -0.1538
Oct 2021 13 0.1364 0.3158
Nov 2021 13 0.04 0.4444
Dec 2021 13 -0.0385 0.7857
Jan 2022 12 -0.04 0.6
Feb 2022 7 -0.4167 -0.2222
Mar 2022 4 -0.4286 -0.5789
Apr 2022 6 0.375 -0.3889
May 2022 4 -0.2727 -0.3846
Jun 2022 6 0.5 -0.1429
Jul 2022 7 0.0833 -0.2778
Aug 2022 7 0.0769 -0.5
Sep 2022 7 0.0 -0.3636
Oct 2022 9 0.2143 -0.32
Nov 2022 8 -0.0588 -0.3846
Dec 2022 10 0.25 -0.2
Jan 2023 11 0.1 -0.0833
Feb 2023 10 -0.0909 0.4286
Mar 2023 9 -0.1 1.25
Apr 2023 7 -0.2222 0.2727
May 2023 8 0.1429 1.0
Jun 2023 7 -0.125 0.1667
Jul 2023 5 -0.3571 -0.3077
Aug 2023 7 0.5556 0.0
Sep 2023 9 0.2143 0.2143
Oct 2023 11 0.2941 0.2941
Nov 2023 7 -0.3636 -0.125
Dec 2023 6 -0.2143 -0.45
Jan 2024 8 0.4545 -0.2727
Feb 2024 10 0.1875 -0.05
Mar 2024 11 0.1579 0.2222
Apr 2024 9 -0.1818 0.2857
May 2024 10 0.1111 0.25
Jun 2024 9 -0.15 0.2143
Jul 2024 14 0.6471 2.1111
Aug 2024 15 0.0714 1.1429
Sep 2024 21 0.4 1.4706
Oct 2024 23 0.0952 1.0909
Nov 2024 21 -0.087 2.0
Dec 2024 21 0.0 2.8182
Jan 2025 18 -0.1667 1.1875
Feb 2025 18 0.0286 0.8947
Mar 2025 19 0.0556 0.7273
Apr 2025 17 -0.1053 0.8889
May 2025 15 -0.1176 0.5
Jun 2025 9 -0.4 0.0588
Jul 2025 12 0.2778 -0.1786
Aug 2025 15 0.2609 -0.0333
Sep 2025 12 -0.1724 -0.4286
Oct 2025 14 0.1667 -0.3913
Nov 2025 13 -0.1071 -0.4048
Dec 2025 11 -0.12 -0.4762
Jan 2026 10 -0.0909 -0.4286
Feb 2026 12 0.2 -0.3333
Mar 2026 13 0.0417 -0.3421