A mid-century stucco ranch home in an inland Central California neighborhood

Cockroach Identification

High Risk

Cockroaches: A Health Risk That Multiplies Fast

Name: 101 Exterminators Inc.
Address: 635 Sanborn Pl Ste 12, Salinas, CA, 93901, US
Telephone: (831) 500-1613

Scientific name: Blattodea (order)

Cockroaches are among the most resilient pests — and among the most consequential for health. They contaminate food and food preparation surfaces with bacteria including Salmonella, E. coli, and Staphylococcus. Their shed skins, feces, and saliva are known allergen triggers, particularly for asthma in children. A single cockroach sighting in a food service establishment represents a health inspection risk and likely indicates a larger hidden population.

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Before You Call

What to Note About the Cockroaches You Found

Note where and when you see roaches, especially around kitchens, drains, or shared walls.

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Visual Guide

How to Identify Cockroaches

Size

German cockroach: 12–15mm. American cockroach: 35–40mm. Oriental cockroach: 25mm.

Color

German: light brown with two dark parallel stripes behind the head. American: reddish-brown. Oriental: dark brown to black.

Body Shape

Flattened oval body, long antennae, 6 legs, 2 cerci (tails) at the rear.

Distinctive Features

German cockroaches are the most common indoor species — two parallel dark stripes on the pronotum behind the head distinguish them. American cockroaches (also called "palmetto bugs") are very large and reddish. Oriental cockroaches are dark and slow-moving, prefer cool damp environments.

Biology

Behavior & Lifecycle

German cockroaches are the primary structural pest species — they live entirely indoors, require warmth, and cluster in tight groups near food and water sources: under and behind refrigerators, stoves, dishwashers, and in the cracks of cabinets. They reproduce rapidly — a single female can produce 300+ offspring per year. American cockroaches are large peridomestic species that live in sewers, drains, and basements, occasionally entering structures. Oriental cockroaches prefer cool, damp areas like crawl spaces and drains.

Commonly Found In:

Restaurant kitchensMulti-family housingOlder structuresNear food sources

Local Knowledge

Cockroaches in Central California

German cockroaches are the dominant cockroach pest in food service establishments throughout all four counties. Restaurant kitchens in Monterey, Santa Cruz, and San Jose face consistent pressure from this species, particularly in older buildings with many harborage gaps. Multi-family housing in Salinas and urban San Jose sees significant German cockroach pressure due to unit-to-unit spread through shared plumbing walls. American cockroaches are present in older urban sewer infrastructure throughout the region.

Why This Matters Here

Cockroaches mechanically transport pathogens from sewage, drains, and garbage onto food preparation surfaces. Their fecal droppings and shed exoskeletons are potent allergens that exacerbate asthma, particularly in children in cockroach-infested housing. The World Health Organization classifies cockroaches as a public health pest due to their role in disease transmission.

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Prevention

How to Reduce Your Risk

Use these steps to reduce unwanted activity from cockroaches around your property.

01
Eliminate all food and water sources — fix dripping faucets, clean under appliances, store food sealed
02
Seal gaps around pipes, plumbing penetrations, and between countertops and walls
03
Do not leave dirty dishes overnight — even small residues provide food for cockroaches
04
Remove cardboard boxes promptly — cockroaches use corrugated cardboard for harboring and egg cases
05
Clean grease accumulation from stove hood, behind range, and under appliances regularly

When to Call a Professional

Immediately — if you see a cockroach, particularly during daylight, it often indicates a large established population. German cockroaches venture into visible areas when overcrowding drives individuals out of preferred harborage. One cockroach seen is rarely one cockroach present.

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Service available in:

Monterey CountySan Benito CountySanta Cruz CountySanta Clara County

How We Treat It

Services for Cockroaches

The right method depends on the species and how far activity has spread. These are the services we use against this pest.

Cockroach Control

Active Service Areas

Where We Treat Cockroaches

Salinas San Jose Monterey Seaside Hollister Watsonville Sunnyvale Santa Clara View all areas

Common Questions

Cockroaches FAQs

Are cockroaches dangerous to my health?

Yes. Cockroaches are implicated in the transmission of bacteria including Salmonella, E. coli, and Staphylococcus. Their feces, shed skins, and saliva contain allergens that are a significant trigger for asthma, particularly in children. Studies have found that cockroach allergen levels in infested homes correlate with asthma severity in pediatric patients.

Keep Reading

Guides & Articles

Guide

Pest Prevention for Monterey Bay Property ManagersRead

What to Expect

What to Expect: Commercial Pest ManagementRead

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Cockroaches in Salinas: What to Check in a Home, Rental, or Food BusinessRead

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What Cockroach Fogger and Bait Studies MeasuredRead

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What Apartment Pest Programs Measure After TreatmentRead

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Will Pest Control Get Rid of Cockroaches?Read

Professional Treatment

Ready to Get Help With Cockroaches?

Our licensed technicians serve Monterey, San Benito, Santa Cruz and Santa Clara counties, plus San Francisco. If you're new to us, start a recurring plan and we'll take 10% off your first service. Written estimate before any work.

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Or call us directly: (831) 500-1613