cost to fumigate for roaches
1 DIY roach killers cost as little as $5 to $15 (for a can of kill-on-contact insecticide, roach foggers, or bait traps) and as much as $50 to $60 per gallon for spray products that claim to provide 12-month roach control.oach Extermination Average Costs. Check with individual pest control companies for the most accurate fee schedules. The following prices are only meant to provide a general cost estimate of roach control services. 1  An exterminator might charge $75 to $250 or more for an initial service.