A homeowner in the San Francisco Bay Area, California, was quoted $3,000 to seal a house against rats, clean droppings and set traps. In a thread from May 2026, the homeowner asked about the price after learning that replacing the attic insulation would add $2,000, bringing the company’s upper quote to $5,000.
For other California homeowners holding a pest-control estimate, the distinction in this quote is practical: sealing entry points and replacing insulation were separate decisions. The larger number did not simply buy more trapping. It included a full attic insulation replacement that the homeowner was still weighing.
The homeowner had found droppings and a strong urine smell in the garage. An inspection also found signs of rats in the subfloor and attic, including damaged insulation. Traps the homeowner had been using were no longer working…