
Cockroach Control
Cockroach Control in Hollister, CA
101 Exterminators does cockroach control in Hollister for homes, apartments, and the restaurant kitchens along San Benito Street. German cockroaches (Blattella germanica) are the ones that establish here, and they arrive in cardboard, in used appliances, and in deliveries — not through the front door, and not because of housekeeping. We identify the species, bait the harborage, and come back to verify. CA licensed, SPCB Lic. #9119.
Home maintenance
How do you keep cockroaches out of a Hollister home?
Check boxes and used appliances before they come in, keep plumbing tight and keep floor drains wet. German cockroaches reach Hollister kitchens in deliveries and through shared walls in the older buildings along San Benito Street. American cockroaches surface from drains after rain. Cracks from decades of fault creep give both species extra routes to close.

Break down boxes outside
Grocery, restaurant supply and online delivery boxes carry roaches and egg cases. Unpack at the door or in the garage, move food into sealed containers and keep cardboard out of the kitchen and pantry.
Look over used appliances first
Before a secondhand refrigerator, stove or microwave comes inside, check the motor housing, door gaskets and back panel with a flashlight. Leave it outside if you find droppings, egg cases or live roaches.
Caulk cracks from fault creep
The Calaveras Fault creeps through Hollister and opens cracks in walls, sidewalks and curbs in older neighborhoods. Caulk cracks along baseboards, around pipes and where walls meet floors so roaches lose those runways.
Keep floor drains and traps wet
American cockroaches climb out of drains when winter rain fills the sewer lines. Run water into guest bathrooms, laundry sinks and floor drains each week, and keep strainers in place.
Report sightings to the building owner
In a divided downtown building, roaches move between suites and apartments through shared walls. Tell the owner or manager in writing so they can inspect the neighboring units along with yours.
When to do it
Indoor upkeep year-round; drain and trap checks each November, when the rains return.
Maintenance guidance: UC IPM, Cockroaches
Warning Signs
When to Ask About Cockroach Control in Hollister
An assessment can look at the reported area, nearby food and water sources, and possible hiding places. The proposed plan may include monitoring, sanitation and leak corrections, exclusion, and targeted bait or other treatment appropriate to the species and site. If your business needs service records, name the required format before work begins.
Cockroaches seen in a kitchen, bathroom, storage area, or near a drain
Cockroach droppings (small, dark, pepper-like pellets) under sinks, behind appliances, or in cabinets
Egg cases (oothecae) — small, brown, capsule-shaped casings — in sheltered areas
Shed cockroach skins near harborage sites
Cockroach activity visible in commercial kitchen equipment, drain areas, or food storage
How It Works
What to Expect from Cockroach Control in Hollister
Tell us where you have seen roaches and whether nearby rooms or units are affected. That helps us plan the inspection and treatment scope.
Identify the Pest and Activity
Share photos, a specimen if available, and dated sightings. An assessment can distinguish indoor breeding from outdoor entry and identify areas to inspect.
Check Food, Water, and Shelter
Look for leaks, food residue, gaps, and hiding places near the activity. Sticky monitors can help show where cockroaches are moving and provide a baseline for follow-up.
Agree on Targeted Work
Review the proposed bait, exclusion, sanitation, or other treatment, along with the rooms, preparation, and access it requires.
Review the Result
Compare sightings and monitor catches after service. If activity continues, ask whether another source, access gap, or change in the plan needs attention.
Why 101 Exterminators
Why Choose 101 Exterminators for Cockroach Control in Hollister
Species Before Treatment
Indoor-breeding and outdoor-invading species call for different management choices. Identification helps set the scope.
Records for the Facility
Tell us what your manager or inspector asks to see, then confirm which service notes the written plan will provide.
Monitor After Service
Dated sightings and consistently placed traps help show whether activity is falling or a source remains.
Address Conditions That Sustain Activity
Food, water, shelter, and entry gaps are part of the assessment because pesticide alone may not solve the problem.
Common Questions
Cockroach Control FAQs for Hollister
We keep a clean kitchen in Hollister. How did we end up with cockroaches?
Most German cockroach infestations start with something carried in — a cardboard box, a used appliance, a grocery or supply delivery, a piece of furniture from another building. Cleanliness affects how fast a population grows, not whether it arrives. In shared-wall buildings downtown they also simply walk through the plumbing chase from the next unit. Finding them says nothing about the household, and the first step is identification, not scrubbing.
Big roaches come up in the bathroom of our old Hollister house after it rains. Are those German cockroaches?
No — those are almost certainly American cockroaches (Periplaneta americana), which live in drains, sewer laterals, and damp crawl spaces rather than kitchens. Winter rain in Hollister pushes them out of the lines, and older raised-foundation houses give them easy access through unsealed penetrations. The fix is different too: drain and crawl-space work, sealing penetrations, and moisture correction rather than kitchen baiting.
Can an apartment in a downtown Hollister building be treated one unit at a time?
It can be attempted, but in Hollister's older downtown buildings it rarely holds. Those apartments were carved out of late-1800s and early-1900s structures, and shared plumbing chases plus decades of fault settling leave openings German cockroaches cross freely. Treatment that works covers the affected unit plus the units beside, above, and below it, with monitors left in place afterward to show whether anything is still moving.
Local Pest Pressure
Common Pests We Treat in Hollister
Every area has its own pest profile shaped by climate, housing, and geography. These are the pests we see and treat most often in Hollister — tap any one to learn how to identify it and what treatment involves.
Cockroach Control · Hollister
Schedule Service in Hollister
Tell us what you have found and where. If you're new to us, start a recurring plan and we'll take 10% off your first service.