Zip Code: 91977 (Spring Valley, CA) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 91977 Zip Code in February 2026 was 93.371.

You can see similar for other California Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 91977 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 91977 - Market Hotness: Trend of Supply Score
Zip Code: 91977 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 98.71915026554203
October 2017 97.95981837407477
November 2017 97.1590909090909
December 2017 99.53545390025162
January 2018 98.18862375509659
February 2018 99.55549381858592
March 2018 98.96162211464254
April 2018 97.09813699009626
May 2018 96.00846069868996
June 2018 96.15103370338363
July 2018 97.11370827145348
August 2018 98.59478794072561
September 2018 96.7156987065686
October 2018 98.3785822021116
November 2018 98.53843720341663
December 2018 96.40837830891802
January 2019 93.26523887973642
February 2019 98.04271684637044
March 2019 90.21129199861447
April 2019 81.41113549094898
May 2019 88.85230157096797
June 2019 92.98056881597526
July 2019 77.22953934866653
August 2019 85.81186572989851
September 2019 91.93579578418101
October 2019 94.39710818486961
November 2019 95.76227053769041
December 2019 93.01800305586926
January 2020 93.06543881679922
February 2020 98.42266686139915
March 2020 94.19639573372564
April 2020 90.25530651625353
May 2020 95.11048074051955
June 2020 94.67437842710133
July 2020 90.00850668935118
August 2020 62.794585987261144
September 2020 82.37835194392372
October 2020 94.12208619822238
November 2020 95.5443463640185
December 2020 67.33380356198201
January 2021 65.92991404552754
February 2021 96.04246109450686
March 2021 87.6766985864113
April 2021 92.0488940628638
May 2021 89.5958429561201
June 2021 72.99421460539243
July 2021 52.599172302412434
August 2021 88.97341974265052
September 2021 74.95675921711424
October 2021 82.18535881716552
November 2021 79.73071324599708
December 2021 95.38341158059468
January 2022 80.95342948365078
February 2022 60.1269762230798
March 2022 90.86409844836811
April 2022 62.7681571465495
May 2022 68.46910112359551
June 2022 67.0391061452514
July 2022 66.80559414652218
August 2022 57.30154661197984
September 2022 78.88036421886856
October 2022 75.55217060167556
November 2022 71.60576042620494
December 2022 78.02020545037779
January 2023 95.2054794520548
February 2023 91.46937601840315
March 2023 90.75857916917519
April 2023 75.35919540229885
May 2023 94.26320573679426
June 2023 78.74667454921666
July 2023 70.04056221111216
August 2023 76.47965195323123
September 2023 73.93272388390876
October 2023 91.05906487733995
November 2023 90.73228479621174
December 2023 93.10111599594183
January 2024 81.92813631146817
February 2024 97.19022197246417
March 2024 96.72366033049957
April 2024 80.28877503493247
May 2024 82.52532561505065
June 2024 89.9499222932136
July 2024 88.37917970680283
August 2024 82.36002891798539
September 2024 89.35738268134614
October 2024 84.17210910487898
November 2024 84.76927793959834
December 2024 82.07598058102798
January 2025 88.39520367936925
February 2025 96.38958136336284
March 2025 91.79252610684388
April 2025 78.8584398117014
May 2025 61.83610296513522
June 2025 82.04413472706156
July 2025 70.34726398075767
August 2025 86.25406684412896
September 2025 84.21052631578947
October 2025 88.35443037974684
November 2025 67.31424429140993
December 2025 68.85233864454071
January 2026 79.09013407734635
February 2026 78.39890136521528
March 2026 93.37057422163805