Napa County, 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 Napa County, CA in January 2026 was 8.38.
The chart and table below shows the trend of the market hotness: supply score for Napa County, CA.
You can see similar for other California counties.
Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.
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Related Topics: Napa County, California - Realtor House Inventory Topic List
Data Source: Realtor.
Napa County, CA - Market Hotness: Trend of Supply Score
Napa County, CA - Market Hotness: Trend of Supply Score
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| Month | Supply Score |
|---|---|
| September 2017 | 77.5915580384854 |
| October 2017 | 82.9298572315332 |
| November 2017 | 72.06703910614524 |
| December 2017 | 81.62631905648665 |
| January 2018 | 75.41899441340783 |
| February 2018 | 69.83240223463687 |
| March 2018 | 65.23898199875853 |
| April 2018 | 95.90316573556798 |
| May 2018 | 90.00620732464309 |
| June 2018 | 80.63314711359403 |
| July 2018 | 78.89509621353197 |
| August 2018 | 63.74922408441962 |
| September 2018 | 49.9689633767846 |
| October 2018 | 64.18373680943513 |
| November 2018 | 59.155803848541275 |
| December 2018 | 61.94909993792675 |
| January 2019 | 67.34947237740533 |
| February 2019 | 58.03848541278709 |
| March 2019 | 54.06579764121664 |
| April 2019 | 57.231533209186836 |
| May 2019 | 66.29422718808193 |
| June 2019 | 65.17690875232775 |
| July 2019 | 60.893854748603346 |
| August 2019 | 30.974549968963377 |
| September 2019 | 37.11980136561142 |
| October 2019 | 42.892613283674734 |
| November 2019 | 45.68590937306021 |
| December 2019 | 26.0707635009311 |
| January 2020 | 17.318435754189945 |
| February 2020 | 11.980136561142148 |
| March 2020 | 24.953445065176908 |
| April 2020 | 82.9298572315332 |
| May 2020 | 64.3699565487275 |
| June 2020 | 55.865921787709496 |
| July 2020 | 48.9137181874612 |
| August 2020 | 31.781502172563624 |
| September 2020 | 12.725015518311608 |
| October 2020 | 9.931719428926133 |
| November 2020 | 23.77405338299193 |
| December 2020 | 28.92613283674736 |
| January 2021 | 15.890751086281812 |
| February 2021 | 19.490999379267535 |
| March 2021 | 15.580384854127871 |
| April 2021 | 29.174425822470518 |
| May 2021 | 20.422098075729362 |
| June 2021 | 19.118559900682804 |
| July 2021 | 9.062693978895096 |
| August 2021 | 3.2278088144009933 |
| September 2021 | 4.717566728739913 |
| October 2021 | 4.8417132216014895 |
| November 2021 | 9.435133457479825 |
| December 2021 | 11.731843575418994 |
| January 2022 | 9.559279950341402 |
| February 2022 | 7.945375543140906 |
| March 2022 | 30.477963997517072 |
| April 2022 | 32.588454376163874 |
| May 2022 | 18.001241464928615 |
| June 2022 | 6.70391061452514 |
| July 2022 | 4.5934202358783365 |
| August 2022 | 5.772811918063315 |
| September 2022 | 7.324643078833024 |
| October 2022 | 5.524518932340161 |
| November 2022 | 6.952203600248293 |
| December 2022 | 7.076350093109869 |
| January 2023 | 7.076350093109869 |
| February 2023 | 11.1731843575419 |
| March 2023 | 16.01489757914339 |
| April 2023 | 22.22222222222222 |
| May 2023 | 26.629422718808193 |
| June 2023 | 9.124767225325884 |
| July 2023 | 7.4487895716946 |
| August 2023 | 9.373060211049038 |
| September 2023 | 11.91806331471136 |
| October 2023 | 31.346989447548108 |
| November 2023 | 43.76163873370577 |
| December 2023 | 17.442582247051522 |
| January 2024 | 8.13159528243327 |
| February 2024 | 10.986964618249534 |
| March 2024 | 31.22284295468653 |
| April 2024 | 74.73618870266915 |
| May 2024 | 71.26008690254501 |
| June 2024 | 54.43823711980137 |
| July 2024 | 30.291744258224707 |
| August 2024 | 23.77405338299193 |
| September 2024 | 25.760397268777158 |
| October 2024 | 26.939788950962136 |
| November 2024 | 23.02917442582247 |
| December 2024 | 18.55990068280571 |
| January 2025 | 7.82122905027933 |
| February 2025 | 8.13159528243327 |
| March 2025 | 56.30043451272502 |
| April 2025 | 70.7635009310987 |
| May 2025 | 52.26567349472377 |
| June 2025 | 33.33333333333333 |
| July 2025 | 16.01489757914339 |
| August 2025 | 9.683426443202979 |
| September 2025 | 2.2346368715083798 |
| October 2025 | 4.655493482309125 |
| November 2025 | 6.890130353817504 |
| December 2025 | 7.386716325263812 |
| January 2026 | 7.262569832402235 |
| February 2026 | 8.379888268156424 |
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