Zip Code: 94028 (Portola Valley, CA) - 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 94028 Zip Code in February 2026 was 14. The month over month percentage change (MoM) was 0.1667%, and the year over year percentage change (YoY) was 0.0769%.

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

The chart below shows the trend of active listing count in the 94028 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 94028 - Trend of Active Listing Count of Houses
Zip Code: 94028 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 9
Sep 2016 11
Oct 2016 13
Nov 2016 13
Dec 2016 14
Jan 2017 8
Feb 2017 5
Mar 2017 5
Apr 2017 8
May 2017 9
Jun 2017 12
Jul 2017 14
Aug 2017 12 -0.1111 0.3333
Sep 2017 13 0.0417 0.1905
Oct 2017 15 0.2 0.1538
Nov 2017 16 0.0333 0.1923
Dec 2017 13 -0.1935 -0.1071
Jan 2018 7 -0.44 -0.125
Feb 2018 6 -0.1429 0.3333
Mar 2018 9 0.4167 0.8889
Apr 2018 9 0.0588 0.2
May 2018 16 0.7222 0.7222
Jun 2018 18 0.1613 0.5
Jul 2018 23 0.2778 0.7037
Aug 2018 21 -0.087 0.75
Sep 2018 16 -0.2381 0.28
Oct 2018 19 0.1875 0.2667
Nov 2018 17 -0.1053 0.0968
Dec 2018 19 0.1176 0.52
Jan 2019 14 -0.2632 1.0
Feb 2019 5 -0.6429 -0.1667
Mar 2019 8 0.6 -0.0588
Apr 2019 14 0.75 0.5556
May 2019 17 0.2143 0.0968
Jun 2019 21 0.2059 0.1389
Jul 2019 16 -0.2195 -0.3043
Aug 2019 13 -0.1875 -0.381
Sep 2019 14 0.0769 -0.125
Oct 2019 17 0.1786 -0.1316
Nov 2019 20 0.1818 0.1471
Dec 2019 19 -0.0256 0.0
Jan 2020 13 -0.3158 -0.0714
Feb 2020 10 -0.2308 1.0
Mar 2020 14 0.4 0.75
Apr 2020 20 0.4286 0.4286
May 2020 17 -0.15 0.0
Jun 2020 21 0.2353 0.0244
Jul 2020 21 -0.0238 0.2813
Aug 2020 19 -0.0976 0.4231
Sep 2020 17 -0.0811 0.2143
Oct 2020 17 -0.0294 0.0
Nov 2020 19 0.1515 -0.0256
Dec 2020 21 0.1053 0.1053
Jan 2021 21 -0.0238 0.5769
Feb 2021 15 -0.2683 0.5
Mar 2021 16 0.0333 0.1071
Apr 2021 17 0.0645 -0.175
May 2021 17 0.0303 0.0
Jun 2021 14 -0.1765 -0.3333
Jul 2021 17 0.1786 -0.1951
Aug 2021 12 -0.2727 -0.3514
Sep 2021 14 0.1667 -0.1765
Oct 2021 10 -0.3214 -0.4242
Nov 2021 11 0.1579 -0.4211
Dec 2021 10 -0.1364 -0.5476
Jan 2022 6 -0.4211 -0.7317
Feb 2022 3 -0.4545 -0.8
Mar 2022 3 0.0 -0.8065
Apr 2022 7 1.1667 -0.6061
May 2022 9 0.3846 -0.4706
Jun 2022 12 0.3333 -0.1429
Jul 2022 11 -0.125 -0.3636
Aug 2022 11 0.0476 -0.0833
Sep 2022 11 0.0 -0.2143
Oct 2022 15 0.3636 0.5789
Nov 2022 15 0.0 0.3636
Dec 2022 14 -0.0667 0.4737
Jan 2023 8 -0.4286 0.4545
Feb 2023 6 -0.3125 0.8333
Mar 2023 9 0.5455 1.8333
Apr 2023 9 0.0588 0.3846
May 2023 13 0.4444 0.4444
Jun 2023 20 0.5385 0.6667
Jul 2023 17 -0.175 0.5714
Aug 2023 13 -0.2121 0.1818
Sep 2023 13 -0.0385 0.1364
Oct 2023 12 -0.04 -0.2
Nov 2023 14 0.1667 -0.0667
Dec 2023 14 0.0 0.0
Jan 2024 9 -0.3571 0.125
Feb 2024 7 -0.2222 0.2727
Mar 2024 6 -0.1429 -0.2941
Apr 2024 8 0.3333 -0.1111
May 2024 13 0.625 0.0
Jun 2024 16 0.2308 -0.2
Jul 2024 19 0.1875 0.1515
Aug 2024 18 -0.0789 0.3462
Sep 2024 18 0.0286 0.44
Oct 2024 23 0.2778 0.9167
Nov 2024 23 -0.0217 0.6071
Dec 2024 17 -0.2444 0.2143
Jan 2025 10 -0.4118 0.1111
Feb 2025 11 0.05 0.5
Mar 2025 13 0.2381 1.1667
Apr 2025 19 0.4615 1.375
May 2025 24 0.2368 0.8077
Jun 2025 28 0.1915 0.75
Jul 2025 28 0.0 0.4737
Aug 2025 25 -0.1071 0.4286
Sep 2025 27 0.08 0.5
Oct 2025 27 -0.0185 0.1522
Nov 2025 28 0.0377 0.2222
Dec 2025 22 -0.2 0.2941
Jan 2026 12 -0.4545 0.2
Feb 2026 12 0.0 0.1429
Mar 2026 14 0.1667 0.0769