California · West
Tick risk in Lassen County, California
Lassen County covers 3 towns. CDC reports too few cases here to publish a county Lyme rate, but each town still has a daily score built from local weather, habitat, and season. Pick your town below for today's reading.
Highest and lowest tick risk in Lassen County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Lassen County runs from Westwood (moderate) at the high end to Susanville (low) at the low end. The difference is habitat: forest cover across the county ranges from 13% to 78%, and more forest and woodland edge means more places ticks can quest for a host.
- WestwoodModerate risk
- JanesvilleModerate risk
- SusanvilleLow risk
Tick species in Lassen County
CDC county surveillance (established or reported)
- Deer tickReported
- American dog tickReported
- Lone star tickNot established
- Gulf Coast tickNot established
Reported in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for Lassen County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.
Diseases found in local ticks
No CDC tick-testing records for Lassen County. That is a surveillance gap, not a sign these diseases are absent. Lyme and other tickborne illnesses occur across the region.
Tick control in Lassen County, CA
Professional tick control across Lassen County usually means a barrier treatment along the lawn edge, leaf litter, stone walls, and shady borders where ticks wait for a host, applied two to four times a season by a licensed pest control company. It is the single most effective way to cut tick numbers in the part of the yard your family actually uses, and it matters most in Lassen County's more wooded towns.
How much does tick control cost in Lassen County?
Most Lassen County homeowners pay about $100 to $200 per visit for professional tick spraying, or roughly $350 to $600 for a full season of barrier treatments, depending on lot size and how wooded the property is. Quotes are free, so it costs nothing to get a real number for your yard.
From a vetted local tick exterminator serving Lassen County. No cost, no obligation.
Common questions about ticks in Lassen County
Which towns in Lassen County have the highest tick risk?
At the summer peak, Westwood carries the highest modeled tick risk in Lassen County, followed by Janesville, Susanville. Risk tracks how wooded a town is: forest cover across Lassen County ranges from 13% to 78%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Susanville sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Lassen County?
CDC county surveillance does not yet list an established tick species for Lassen County, but that reflects a surveillance gap, not absence. The blacklegged (deer) tick, the main Lyme carrier, is found across the west. Take the usual precautions after time outdoors.
Is Lyme disease common in Lassen County?
CDC reports too few cases in Lassen County to publish a stable county Lyme rate, which is common in rural or low-population counties. That does not mean the risk is zero: Lyme and other tickborne illnesses occur across the Northeast.
All towns in Lassen County
Tick risk is local. Pick the town nearest you.