Roof rats in LA: why they're so common and how to truly fix it
LA's roof rat epidemic explained. Why traps don't work alone, and what whole-home rodent exclusion actually involves.
If you hear scratching in your attic at night, you probably have roof rats. They're endemic in LA — especially in palm-heavy neighborhoods like the Hollywood Hills, Pasadena, and the Westside.
Why traps alone don't work
Trapping individuals doesn't stop the population. They re-enter through the same gaps. The real solution is exclusion: sealing every entry point in your home.
Whole-home rodent exclusion + attic decontamination: $8,000 – $25,000
Includes home inspection, sealing all entry points (vents, eaves, plumbing penetrations), removing contaminated insulation, sanitizing the attic, and replacing insulation. Multi-year warranties typical.
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