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Spider Control Experts

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Expert Spider Control in the Bay Area

ATCO reduces spider populations and removes webs — professionally.

Common Bay Area Spiders

🕷️

Black Widow

⚠️ VENOMOUS

Black Widow Spider

Venomous spider with distinctive red hourglass marking on abdomen. Bites require medical attention.

Requires Professional Removal
🕸️

House Spiders

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Common House Spiders

Create messy cobwebs in corners, closets, and basements. Generally harmless but unsightly.

🌿

Garden Spiders

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Garden Orb Weavers

Large, colorful spiders that build beautiful webs in gardens. Beneficial pest controllers!

⚠ Black Widow Warning

Black widows are common in the Bay Area. If you see one, don't attempt removal yourself — call ATCO for professional treatment.

Identify Your Pest

Black Widow Spider

Black Widow

Size: Up to 1.5 inches (including legs)
Color: Shiny black with red hourglass on abdomen
Key Fact: Venomous bite requires medical attention
Brown Recluse Spider

Brown Recluse

Size: 1/4 to 3/4 inch body
Color: Tan to brown with violin-shaped marking
Key Fact: Venomous bite can cause tissue damage
Wolf Spider

Wolf Spider

Size: 1/2 to 2 inches body length
Color: Brown and gray with hairy body
Key Fact: Fast ground hunter; does not build webs
Cellar Spider

Cellar Spider

Size: Body 1/4 inch; legs up to 2 inches
Color: Pale tan to light gray with long, thin legs
Key Fact: Builds messy webs in corners; completely harmless
Yellow Sac Spider

Yellow Sac Spider

Size: About 1/4 inch body
Color: Pale yellow to light green
Key Fact: Active nighttime hunter; bites cause mild local reaction

See It In Action

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Did You Know?

Spiders eat more insects than birds and bats combined. A single spider can consume up to 2,000 insects per year.
Of 48,000+ known species, fewer than 30 are medically significant to humans. Most spiders are completely harmless.
Spider silk is pound-for-pound stronger than steel. A pencil-thick strand could theoretically stop a Boeing 747.
Spiders have existed for over 380 million years — long before dinosaurs. They've perfected web-spinning over eons.
Many spiders produce up to seven silk types — sticky capture threads, structural lines, and silk for wrapping prey.
Despite up to eight eyes, most spiders have poor vision. They rely on web vibrations to detect prey.

What You Can Do

Use a broom or vacuum to clear webs from corners, eaves, and doorways. Regular removal discourages rebuilding.
Replace bright white porch lights with yellow bulbs. Fewer insects attracted means fewer spiders hunting near doors.
Caulk gaps around windows, doors, and foundation cracks. Repair door sweeps and screens to keep spiders out.
Clear storage areas, garages, and basements. Spiders love undisturbed, cluttered spaces for building webs.
Spiders dislike peppermint, eucalyptus, and citrus oils. Spray diluted around windows and doorframes.
Store woodpiles and garden debris at least 20 feet from your home. These are prime spider hiding spots.

What to Avoid

Never attempt to catch or remove a black widow yourself. Their venomous bite requires medical attention — call a professional.
Broad-spectrum sprays kill beneficial spiders too, and expose your family and pets to unnecessary chemicals.
Garden orb weavers eat mosquitoes, flies, and other pests. They're your allies — leave them be.
Black widows favor undisturbed garages, attics, and crawl spaces. Check these areas regularly.

Concerned About Spiders? We're Here to Help!

Call (833) ECO-ATCO

Our Spider Services

🔍

Spider Inspection

Identify spider species and locate nesting areas around your home.

🪵

Web Removal

Professional removal of spider webs around entry areas and living spaces.

🌱

Population Reduction

Eco-friendly treatments to reduce spider populations in and around your home.

Our Balanced Approach

🌱

Eco-Friendly Methods

Treatments that are gentle on your family and pets.

⚖

IPM Strategies

Integrated Pest Management for long-term control.

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Ongoing Protection

Regular maintenance to keep spider populations in check.

🌿 Our Philosophy

ATCO doesn't completely eradicate spiders — we view them as ecosystem partners that help control insect populations around your home. We focus on reducing populations and removing webs where they're unwanted.

Prepare for Your Appointment

Sweep away existing cobwebs so your technician can identify active spider areas versus abandoned webs.
Pull furniture a few inches from walls. Spiders hide in gaps behind furniture, and access helps treatment.
Organize closets, storage rooms, and garages. Spiders thrive in undisturbed, cluttered spaces.
Remove leaf litter, woodpiles, and garden debris from around your foundation. These hide spiders and their prey.
White lights attract insects, which attract spiders. Yellow bulbs reduce this cycle significantly.
List rooms where you've spotted spiders or fresh webs. This helps your technician focus on active zones.
Your technician will guide you on arrival.

Reduce Spiders in Your Home

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🕷️

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