Spider Prevention: Webs, Entry Points, and Indoor Hiding Spots

Why activity becomes established

Spider prevention is mostly habitat and prey control. Spiders follow insects and sheltered hiding areas, so reducing webs, clutter, and entry points lowers indoor encounters.

Entry points, attractants, and warning clues

Area-by-area checklist

1. 1

   Remove webs and egg sacs with a vacuum or long-handled tool

   Remove webs and egg sacs with a vacuum or long-handled tool.

2. 2

   Reduce insects around exterior lights and doors

   Reduce insects around exterior lights and doors.

3. 3

   Seal gaps, install door sweeps, and repair screens

   Seal gaps, install door sweeps, and repair screens.

4. 4

   Wear gloves when moving stored boxes, firewood, or outdoor items

   Wear gloves when moving stored boxes, firewood, or outdoor items.

What people commonly miss

Monitoring routine

• Recheck on a consistent schedule: Webs in corners, garages, sheds, or crawl spaces
• Recheck on a consistent schedule: Egg sacs near undisturbed storage areas
• Recheck on a consistent schedule: Spiders appearing near lights or insect activity

Signs prevention is failing

• New, recurring, or spreading evidence: Webs in corners, garages, sheds, or crawl spaces
• New, recurring, or spreading evidence: Egg sacs near undisturbed storage areas
• New, recurring, or spreading evidence: Spiders appearing near lights or insect activity
• New, recurring, or spreading evidence: Gaps around doors, vents, windows, or utility openings

What to do if activity appears

Call a professional when dangerous species are suspected, spiders are numerous, or activity is concentrated in crawl spaces or garages.

• Keep storage areas organized and off the floor.
• Move firewood and debris away from the structure.
• Use sealed bins instead of cardboard boxes.