Pests don’t usually “appear out of nowhere.” Most problems build quietly, outside along the foundation, in the garage, under planters or through tiny gaps around doors and plumbing. By the time you see activity indoors, the pressure is already there.
ExterMetro provides reliable pest control in Monrovia, CA with a simple goal: stop the problem at the source and keep it from coming back. We combine detailed inspections with targeted treatments and practical prevention so you’re not stuck in a cycle of short-term fixes.
Your home should feel comfortable, not stressful. We start with a thorough inspection and focus on the areas pests use most entry points, harborage zones and interior hot spots (only when needed).
Common residential issues we handle: ants, roaches, spiders (including black widows), earwigs, silverfish, crickets, fleas, ticks, termites and more plus rodent control and exclusion when rats or mice are a concern.
Service options built for real life:
For businesses, pests aren’t just annoying, they can impact customer experience, employee comfort, inventory and compliance. We provide discreet commercial pest control in Monrovia with clear documentation and consistent service.
We work with offices, retail, restaurants, medical spaces, property managers and multi-unit buildings adapting service to the pace and needs of your property.
Request an inspection or quote today. We’ll identify what’s driving the issue and recommend the cleanest plan to solve it.
Because you want it handled right, not rushed.
At ExterMetro, we take the time to inspect thoroughly, explain what we find in plain language and recommend the option that actually fits your situation, whether you need termite treatment, ant control, rodent control or a recurring pest maintenance plan.
We’re prevention-focused, not spray-happy. That means targeted treatments, smart monitoring and practical recommendations that reduce the conditions pests rely on, so the problem doesn’t keep resetting.
You’ll also get clear communication and clean workmanship. We show up when we say we will, respect your home or property, and keep pricing straightforward so there are no surprises later.
We love our customers, so feel free to Call or E-mail and we'll get back to you during normal business hours.
Arcadia, California 91006, United States

Spiders are usually a symptom, not the root problem. When insects thrive around a home or building (lights, landscaping, moisture), spiders follow the food source and then webs build up quickly in corners, eaves, and overhangs.
Our spider control focuses on:
If black widows are a concern, we pay special attention to storage areas, yard clutter, block walls, and garage perimeter zones.
Rodents can cause damage fast chewed materials, contaminated areas and nonstop noise in attics or walls. Store-bought traps often don’t solve the whole issue because they don’t address how rodents are getting in.
Open today | 08:00 am – 04:00 pm |
Included with every initial service and after that as needed. We inspect the places pests hide and travel, then treat the key hot spots.
Included with every service! Most pest issues start outside. We focus on entry points and the perimeter first.
Included with every initial service and after that as needed. Garages are a common staging area. We inspect and treat the overlooked zones.
Included with every service. We reduce pest pressure in the areas that feed activity near the home.
Included with every service (coverage depends on property size) We reinforce the property edge to help limit incoming pests.
Consistent service for shared buildings and communities that keeps common areas, trash enclosures and exteriors looking clean and feeling comfortable for residents.
Inspection based service for warehouses and industrial sites that targets rodents, flies, roaches and ants around loading docks, storage and production areas.
Prevention focused programs for classrooms, cafeterias and campus buildings that help keep pests under control while putting student and staff safety first.
Discreet pest control for offices that keeps lobbies, suites, restrooms and break rooms comfortable with fewer complaints and clearer reporting.
Turnover friendly pest control that protects your guests experience with treatments and maintenance scheduled around bookings and quiet hours.
Service plans built around your business hours that reduce pest pressure, protect your reputation and keep staff and customers comfortable.
ExterMetro Termite Control