Enter any address in Lassen County, California to see its FEMA flood zone
6 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Lassen County, California has recorded 13 flood-related events since 1996 according to NOAA's Storm Events Database, including 2 flash floods and 11 river or area floods. The county has received 19 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Dixie Fire | Fire | Jul 20, 2021 |
| Wildfires | Fire | Jul 14, 2021 |
| Sheep Fire | Fire | Aug 17, 2020 |
| Wildfires | Fire | Aug 14, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storms, Flooding, And Mudslides | Flood | Feb 1, 2017 |
| Severe Winter Storms, Flooding, And Mudslides | Severe Storm | Jan 3, 2017 |
| Bald Fire | Fire | Aug 2, 2014 |
| Severe Storms, Flooding, Mudslides, And Landslides | Severe Storm | Dec 17, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Dec 24, 2025 | 0.00K |
| Flood | Dec 22, 2025 | 0.00K |
| Flash Flood | Oct 24, 2021 | 0.00K |
| Flood | Feb 9, 2017 | 500.00K |
| Flood | Jan 8, 2017 | 0.00K |
| Flood | Feb 7, 2017 | 0.00K |
| Flood | Feb 28, 2006 | — |
| Flood | Dec 31, 2005 | 5M |
| Flash Flood | Jul 18, 2002 | — |
| Flood | Jan 1, 1997 | — |
Flood — Dec 24, 2025
Liquid totals reached 3-6 across the Eastern Sierra, Tahoe Basin , and Northeast California from the series of storms. Snowfall in the Sierra from this multi-day event was generally 3-6 feet in areas above 7000 feet, with 1-2 feet down to lake level in the Tahoe Basin and along US-395 above 6000 feet in Mono County. Northeast CA received between 1-6��� of snowfall, with 8-18��� west...
Flood — Dec 22, 2025
Amounts of 2-6 of rain fell across NE CA and the Tahoe Basin, with snow levels dipping as low as 7000 feet. Up to 6 of snow fell at that elevation with 12-20 of snow above 8000 feet in the Tahoe Basin. Wind gusts of 50-65 mph were recorded, with Sierra ridge top gusts of 70-90 mph.
Flash Flood — Oct 24, 2021
A strong atmospheric river event produced a major heavy rain, high wind, and high elevation snow event for much of the region. Record-setting rainfall amounts for many areas of the Sierra into western Nevada. NWS Reno received multiple reports of mud and rock slides in the Sierra along I-80 near the summit, and CA 70 and CA 89 in Sierra, Plumas, and Lassen Counties.
Flood — Feb 9, 2017
Two significant waves of precipitation associated with an atmospheric river brought heavy rain and higher elevation (mainly above 6500 feet) snowfall to northeast California. Widespread rainfall totals between 5 and 8 inches were reported between the 6th and 10th, with rainfall and/or liquid equivalent amounts up to between 10 and 16 inches near the northern Sierra crest. The rainfall brought w...
Flood — Jan 8, 2017
A strong atmospheric river brought heavy rain with widespread flooding on the 8th and 9th. Before warmer air moved into the region, there was a period of snow on the 7th as well as freezing rain in some lower valleys lasting into the morning of the 8th. Widespread rainfall totals of 3 to 7 inches fell in and near the Sierra, with heavier amounts between 8 and 12 inches near the Sierra crest.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Lassen County, California:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Lassen County, California that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.