Hydrex Pest Control 3252 Foothill Blvd, La Crescenta, CA91214 Hydrex Pet Control offers in-home pest control for the La Crescenta - Montrose area. It is situated along Foothill…More Blvd in a small business center and takes calls from 7am - 7pm Monday through Saturday. The company handles rats, ants, flies, ticks, fleas and much more. A full list of pests and bugs is available on the website. The inside of the office neat and clean, with friendly staff ready to make an appointment at the earliest time possible. Calls are also sufficient if customers don't feel like coming in. Cash, checks and credit cards are all accepted. Parking is free on site.