Zip Code: 18034 (Center Valley, 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 18034 Zip Code in February 2026 was 3. The month over month percentage change (MoM) was -0.5833%, and the year over year percentage change (YoY) was -0.5455%.

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

The chart below shows the trend of active listing count in the 18034 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 18034 - Trend of Active Listing Count of Houses
Zip Code: 18034 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 59
Sep 2016 66
Oct 2016 62
Nov 2016 55
Dec 2016 58
Jan 2017 53
Feb 2017 50
Mar 2017 55
Apr 2017 55
May 2017 56
Jun 2017 62
Jul 2017 60
Aug 2017 62 0.0333 0.0508
Sep 2017 64 0.0242 -0.0379
Oct 2017 62 -0.0236 0.0
Nov 2017 57 -0.0806 0.0364
Dec 2017 56 -0.0263 -0.0348
Jan 2018 49 -0.1171 -0.0755
Feb 2018 44 -0.102 -0.1111
Mar 2018 38 -0.1364 -0.3028
Apr 2018 39 0.0263 -0.2909
May 2018 36 -0.0769 -0.3571
Jun 2018 33 -0.0972 -0.4715
Jul 2018 34 0.0462 -0.4333
Aug 2018 37 0.0735 -0.4113
Sep 2018 33 -0.0959 -0.4803
Oct 2018 39 0.1818 -0.371
Nov 2018 47 0.2051 -0.1754
Dec 2018 42 -0.117 -0.2523
Jan 2019 39 -0.0602 -0.2041
Feb 2019 29 -0.2564 -0.3409
Mar 2019 28 -0.0345 -0.2632
Apr 2019 34 0.2143 -0.1282
May 2019 41 0.2059 0.1389
Jun 2019 41 0.0 0.2615
Jul 2019 39 -0.0488 0.1471
Aug 2019 41 0.0513 0.1233
Sep 2019 41 0.0 0.2424
Oct 2019 41 0.0 0.0513
Nov 2019 41 -0.0122 -0.1383
Dec 2019 22 -0.4568 -0.4699
Jan 2020 22 0.0 -0.4359
Feb 2020 22 -0.0227 -0.2586
Mar 2020 21 -0.0233 -0.25
Apr 2020 21 0.0 -0.3824
May 2020 19 -0.119 -0.5488
Jun 2020 20 0.0811 -0.5122
Jul 2020 23 0.15 -0.4103
Aug 2020 17 -0.2826 -0.5976
Sep 2020 18 0.0909 -0.561
Oct 2020 18 -0.0278 -0.5732
Nov 2020 13 -0.2571 -0.679
Dec 2020 12 -0.1154 -0.4773
Jan 2021 7 -0.3913 -0.6818
Feb 2021 7 0.0 -0.6744
Mar 2021 7 -0.0714 -0.6905
Apr 2021 2 -0.6923 -0.9048
May 2021 7 2.25 -0.6486
Jun 2021 7 0.0769 -0.65
Jul 2021 13 0.7857 -0.4565
Aug 2021 14 0.12 -0.1515
Sep 2021 15 0.0357 -0.1944
Oct 2021 12 -0.2069 -0.3429
Nov 2021 11 -0.0435 -0.1538
Dec 2021 13 0.1364 0.087
Jan 2022 10 -0.2 0.4286
Feb 2022 8 -0.2 0.1429
Mar 2022 3 -0.6875 -0.6154
Apr 2022 6 1.4 2.0
May 2022 9 0.5 0.3846
Jun 2022 12 0.3333 0.7143
Jul 2022 16 0.3333 0.28
Aug 2022 16 0.0 0.1429
Sep 2022 18 0.125 0.2414
Oct 2022 17 -0.0833 0.4348
Nov 2022 17 0.0303 0.5455
Dec 2022 19 0.1176 0.52
Jan 2023 15 -0.2105 0.5
Feb 2023 10 -0.3667 0.1875
Mar 2023 12 0.2105 3.6
Apr 2023 10 -0.1304 0.6667
May 2023 13 0.3 0.4444
Jun 2023 15 0.1538 0.25
Jul 2023 18 0.1667 0.0938
Aug 2023 15 -0.1429 -0.0625
Sep 2023 15 -0.0333 -0.1944
Oct 2023 17 0.1724 0.0303
Nov 2023 17 -0.0294 -0.0294
Dec 2023 16 -0.0303 -0.1579
Jan 2024 14 -0.125 -0.0667
Feb 2024 13 -0.0714 0.3684
Mar 2024 14 0.0385 0.1739
Apr 2024 14 0.037 0.4
May 2024 17 0.1786 0.2692
Jun 2024 15 -0.1212 -0.0333
Jul 2024 14 -0.0345 -0.2
Aug 2024 17 0.1786 0.1
Sep 2024 16 -0.0303 0.1034
Oct 2024 13 -0.1875 -0.2353
Nov 2024 11 -0.1923 -0.3636
Dec 2024 10 -0.0476 -0.375
Jan 2025 8 -0.25 -0.4643
Feb 2025 5 -0.4 -0.6538
Mar 2025 6 0.2222 -0.5926
Apr 2025 7 0.2727 -0.5
May 2025 8 0.0714 -0.5455
Jun 2025 8 0.0667 -0.4483
Jul 2025 8 -0.0625 -0.4643
Aug 2025 10 0.2667 -0.4242
Sep 2025 9 -0.0526 -0.4375
Oct 2025 9 0.0 -0.3077
Nov 2025 11 0.2222 0.0476
Dec 2025 8 -0.2727 -0.2
Jan 2026 6 -0.25 -0.2
Feb 2026 6 0.0 0.3333
Mar 2026 3 -0.5833 -0.5455