Eastern North Carolina Snakes: Common Species, Prevention Tips, FAQs

Eastern North Carolina is home to a rich mix of wildlife, and snakes are among the most misunderstood. The truth is simple: snakes are predators. They help control rodents, insects, and other pests. When their food sources and shelter disappear, snakes usually move on. That means the best long-term “repellent” is prevention—fixing the conditions that attract snakes in the first place.

This guide covers the most common Eastern North Carolina snakes, how to identify them, where you’re likely to see them, and practical, evidence-based ways to reduce encounters around homes, farms, and businesses. You’ll also learn the truth about sulfur, Snake-A-Way, and other common repellent claims, along with expert tips, safety guidance, and FAQs.

What you’ll find in this article:

• How to identify the most common North Carolina snakes (including Chicken Snake, Cotton Mouth, Copperhead, Rat Snake, and Garden Snake)
• Venomous vs. non-venomous: fast field checks to avoid risky mistakes
• Why snakes show up in yards (and how to make them leave naturally)
• Do sulfur, Snake-A-Way, or mothballs work? What research really says
• Step-by-step home, yard, and coop snake-proofing
• What to do if you see a snake (indoors, outdoors, or near water)
• Seasonal patterns of snake activity in Eastern NC
• Protecting pets and kids
• FAQs about Eastern North Carolina snakes
• Resources from top authorities

For professional help, see Snake Removal & Emergency Response and long-term Wildlife Exclusion & Sealing:

• Snake Removal & Emergency Response: /services/snake-removal/
• Wildlife Exclusion & Sealing: /services/wildlife-exclusion/
• Rodent Control Programs: /services/rodent-control/
• Contact Us: /contact/

Quick Facts About Eastern North Carolina Snakes

• Eastern NC (coastal plain, Tidewater, Sandhills) hosts a high diversity of reptiles, including several rat snakes, racers, watersnakes, kingsnakes, garters, and two widely encountered venomous species: the Copperhead and the Cottonmouth (a.k.a. “Cotton Mouth”).
• Most snakes you’ll encounter in neighborhoods are non-venomous and beneficial—especially rat snakes (“Chicken Snakes”), black racers, garter snakes (“Garden Snakes”), and rough green snakes.
• Snakes do not want to bite people. Most bites occur when people try to handle or kill a snake.
• Snakes are opportunists. If your property supplies food (rodents, frogs, fish, eggs), water, and cover (brush, woodpiles, clutter), it will also attract snakes.
• Repellents like sulfur or naphthalene (the main ingredient in many “Snake-A-Way”-type products) are not a reliable solution and may pose risks to people, pets, and wildlife.

For accurate, state-specific species details, see:

• NC Wildlife Resources Commission: https://www.ncwildlife.org/Learning/Species/Reptiles/Snakes
• Snakes of North Carolina (Davidson College): https://herpsofnc.org/
• NC State Extension (Snakes): https://content.ces.ncsu.edu/snakes

How to Identify the Most Common North Carolina Snakes

Below are the snakes Eastern North Carolina residents are most likely to see. For added photos and range maps, consult the NC Wildlife Resources Commission and Herps of NC resources linked above.

Eastern Rat Snake (aka “Chicken Snake” or “Rat Snake”)

• Status: Non-venomous
• Look: Adults in Eastern NC tend to be black or dark with a lighter belly; juveniles show blotched patterns. Large, muscular body with climbing ability.
• Habitat: Woodlots, barns, attics, tree lines, suburban neighborhoods. Excellent climbers; often seen along fences and siding.
• Diet: Rodents, birds, eggs—hence the nickname “Chicken Snake.”
• Notes: One of the most beneficial snakes for rodent control. If a Chicken Snake is raiding a coop, it’s a sign of accessible eggs or mice—fix the attractants and secure the coop.

Black Racer

• Status: Non-venomous
• Look: Solid black, slender, smooth scales, white chin. Very fast.
• Habitat: Edges of fields, hedgerows, yards, and open woodland.
• Diet: Insects, rodents, small reptiles, frogs.
• Notes: Frequently mistaken for a rat snake. Racers are more slender and quick to flee.

Corn Snake (Red Rat Snake)

• Status: Non-venomous
• Look: Orange, brown, or tan background with red-brown blotches; checkerboard belly. Beautiful patterning.
• Habitat: Farmland edges, barns, beneath debris, pine barrens, and coastal plain habitats.
• Diet: Rodents, small birds, lizards.
• Notes: Often confused with copperheads—check for clean, saddle-shaped blotches rather than copperhead hourglasses.

Eastern Garter Snake (often called “Garden Snake”)

• Status: Non-venomous
• Look: Longitudinal stripes (typically yellow) over olive/brown/black body; pattern varies.
• Habitat: Gardens, lawns, damp edges, near water.
• Diet: Worms, slugs, amphibians, small fish.
• Notes: “Garden Snake” is a common nickname. Generally harmless and a friend to gardeners.

Eastern Ribbon Snake

• Status: Non-venomous
• Look: Similar to garter snakes but more slender with pronounced side stripes and white spot in front of the eye.
• Habitat: Near water—ditches, ponds, marshes.
• Diet: Small fish, tadpoles, frogs.
• Notes: Quick and skittish; often detected along water’s edge.

Northern/Banded Watersnake (Nerodia spp.)

• Status: Non-venomous
• Look: Banded or blotched brown/tan/gray patterns; heavy-bodied; often confused with cottonmouths.
• Habitat: Lakes, rivers, ditches, swamps; basks on logs or rocks.
• Diet: Fish and amphibians.
• Notes: Defensive if cornered but not venomous. Learn to distinguish from cottonmouths (see below).

Rough Green Snake

• Status: Non-venomous
• Look: Bright leaf-green body, very slender, with white/yellowish belly.
• Habitat: Shrubs, hedges, vines—often above eye level.
• Diet: Insects and spiders.
• Notes: A gentle, strictly insect-eating snake—great for natural pest control.

Dekay’s Brownsnake (Brown Snake)

• Status: Non-venomous
• Look: Small, brown/tan with subtle dorsal spots; often overlooked.
• Habitat: Leaf litter, gardens, under stones and boards.
• Diet: Slugs, worms, soft-bodied insects.
• Notes: Common in suburban yards; rarely noticed.

Eastern Kingsnake and Scarlet Kingsnake

• Status: Non-venomous
• Look: Eastern kingsnake—shiny black with thin white/yellow chain-like bands. Scarlet kingsnake—red, black, and yellow bands (red touches black; “red on yellow” rhyme doesn’t apply to this harmless species the same way it does to coral snakes).
• Habitat: Mixed forests, edges, sandy soils (scarlet kingsnake often under logs and bark).
• Diet: Snakes (including venomous species), lizards, rodents.
• Notes: Kingsnakes are excellent natural controllers of copperheads and other snakes.

Eastern Hognose Snake

• Status: Non-venomous
• Look: Upturned snout; variable color from sandy yellow to dark; dramatic hooding and “playing dead” behaviors.
• Habitat: Sandy soils, pine forests, open fields.
• Diet: Primarily toads.
• Notes: Intimidating displays but harmless.

Copperhead (Agkistrodon contortrix) — Venomous

• Look: Distinct hourglass-shaped bands across a tan/copper body; the narrow “waist” of each hourglass crosses the spine. Juveniles often have a bright yellow/green tail tip.
• Habitat: Wooded edges, brushy lots, rock piles, suburban neighborhoods with heavy cover.
• Behavior: Often still and well-camouflaged; many bites occur when they’re stepped on or handled.
• Notes: The most commonly encountered venomous snake in North Carolina. Learn the hourglass pattern carefully. See our Copperhead Identification Guide: /blog/copperhead-identification-guide/

Cottonmouth (Agkistrodon piscivorus), aka “Cotton Mouth” — Venomous

• Look: Heavy-bodied, with dark bands or overall dark coloration; white “cottony” mouth lining when agitated. Head is blocky and distinct from the neck.
• Habitat: Coastal plain wetlands, cypress swamps, marshes, slow-moving creeks, and retention ponds. Much more common in the eastern coastal plain than in the Piedmont.
• Behavior: Will stand ground more than watersnakes; often seen basking near water.
• Notes: Frequently misidentified. Watersnakes have round pupils and patterned bellies; cottonmouths show a distinct white mouth when they gape in defense.

Venomous vs. Non-venomous: Fast Field Checks

Use multiple cues—never rely on just one feature.

• Pattern:
  • Copperhead: hourglass bands with the “narrow” part across the spine.
  • Watersnake: bands may look broken or blotchy; pattern extends onto the belly.
• Behavior:
  • Cottonmouth may gape to show a bright white mouth; watersnakes don’t.
• Head shape:
  • Venomous pit vipers (copperhead, cottonmouth) have a more angular, blocky head. Caution: many non-venomous snakes flatten their heads when threatened.
• Pupils:
  • Pit vipers have elliptical pupils, but this is not a safe field test unless you’re very close (don’t be).
• Tail tip (juveniles):
  • Juvenile copperheads often have a bright yellow/green tail tip used as a lure; watersnakes don’t.

When in doubt, keep your distance and contact a professional:

• Snake Removal & Emergency Response: /services/snake-removal/
• Contact Us: /contact/

For authoritative ID help:

• NC Wildlife Resources Commission species pages: https://www.ncwildlife.org/Learning/Species/Reptiles/Snakes
• Herps of North Carolina, with photos and range maps: https://herpsofnc.org/

Why Snakes Visit Yards: Predators Follow Their Food

Snakes don’t wake up hoping to scare homeowners—they go where food, water, and shelter are easy to find. Eliminate those, and most snakes will leave on their own. In short: snakes are predators; control their food, and they’ll move on.

Common attractants:

• Rodent activity (mice, rats, voles) beneath sheds, in crawl spaces, garages, compost, and chicken coops
• Bird feeders that spill seed, which draws rodents by night
• Standing water—pond edges, fountains, leaky hoses, clogged gutters, swampy lawn spots
• Heavy cover—brush piles, stacked lumber on soil, debris, deep groundcover, ivy
• Accessible eggs and chicks—unsecured chicken coops, low nest boxes
• Persistent insect and amphibian populations in damp landscaping

If you routinely see rat snakes or black racers, you likely have rodents nearby. Copperheads and watersnakes key in on frogs, fish, and mice around water and thick cover.

Integrated approach:

• Remove food (rodent-proof feed, seal trash, secure coops).
• Reduce cover (clean up yard clutter, thin groundcover, elevate woodpiles).
• Exclude access (seal gaps in foundations and under doors).
• Manage water (fix drainage, remove standing water).

Professional support:

• Rodent Control Programs: /services/rodent-control/
• Wildlife Exclusion & Sealing: /services/wildlife-exclusion/

Do Sulfur, Snake-A-Way, or Mothballs Work?

Short answer: Not reliably—and some products may create unnecessary risks around people, pets, and wildlife.

What Research Shows

University and extension research has repeatedly found that many commonly marketed snake repellents provide little to no consistent real-world protection. Products containing sulfur, naphthalene, or similar ingredients may have strong odors, but snakes can still move across, around, or through treated areas—especially when favorable shelter, moisture, prey, or hiding places remain nearby.

A snake’s decision to stay around a property is usually influenced more by habitat than by odor-based repellents. Tall grass, brush piles, stacked lumber, dense vegetation, crawlspace openings, gaps around foundations, and populations of mice, rats, frogs, or insects can all make an area more attractive to snakes.

What About Snake-A-Way?

Commercial snake-repellent products such as Snake-A-Way are intended to discourage snakes through odor or sensory irritation. However, results may vary considerably depending on the species, weather, application method, environmental conditions, and what is attracting the snake to the property.

Repellents should not be considered a substitute for correcting the conditions that allow snakes to live or hunt around a home.

Does Sulfur Repel Snakes?

Sulfur is one of the oldest home remedies used for snake prevention, but there is little evidence that spreading sulfur around a house creates a dependable snake barrier.

Even when a snake initially avoids a treated area, the effect may be temporary. Rain, irrigation, wind, and normal weathering can also reduce any potential deterrent effect.

Do Mothballs Keep Snakes Away?

Mothballs are also commonly recommended online as a snake deterrent, but they should not be relied upon for snake prevention.

Mothballs are pesticides designed for specific labeled uses involving clothes moths and similar pests in enclosed spaces. Scattering them around yards, crawlspaces, gardens, porches, or foundations may expose children, pets, wildlife, and other people to pesticide vapors or accidental ingestion.

Always use pesticide products strictly according to their EPA-approved label directions.

What Works Better Than Snake Repellents?

The most effective approach is usually habitat modification and exclusion.

Homeowners can reduce the likelihood of snakes staying around a property by:

• Keeping grass and weeds trimmed.
• Removing brush, leaves, debris, and unused materials from around the home.
• Moving firewood and lumber away from the foundation.
• Sealing gaps around foundations, crawlspaces, doors, utility penetrations, and other possible entry points.
• Repairing damaged crawlspace vents and screening openings where appropriate.
• Reducing mice and rat populations around the property.
• Eliminating standing water and excessive moisture when practical.
• Keeping garages, storage buildings, and crawlspaces organized and free of clutter.

The Bottom Line

Sulfur, mothballs, and commercial snake repellents may sound like convenient solutions, but they should not be your primary defense against snakes.

A better long-term strategy is to remove the food, shelter, moisture, and entry points that make a property attractive to snakes in the first place.

For homeowners in Eastern North Carolina, controlling rodents and other prey species and maintaining the area around the foundation can be especially important parts of a practical snake-prevention plan.

How to Keep Snakes Away From Your Home in Eastern North Carolina

Keeping snakes away from your home usually starts with making the property less attractive to them. In Eastern North Carolina, snakes may be drawn to areas that provide food, moisture, shade, and shelter.

The goal is not simply to repel snakes—it is to reduce the conditions that encourage them to remain around the property.

1. Control Rodents Around the Home

Mice and rats can attract snakes because they are an important food source for many snake species.

Reducing rodent activity can therefore help make your property less appealing to snakes.

Homeowners should:

• Seal openings that allow mice and rats into crawlspaces, garages, sheds, and attics.
• Keep pet food and bird seed in sealed containers.
• Clean up spilled seed around bird feeders.
• Store garbage in containers with secure lids.
• Remove clutter that gives rodents places to hide.
• Consider a professional rodent-control program when activity is persistent.

Reducing rodents can benefit both pest control and snake prevention.

2. Keep Grass and Vegetation Trimmed

Tall grass, weeds, thick groundcover, and dense shrubs can provide snakes with protection from predators and extreme temperatures.

Keep lawns regularly mowed and trim vegetation around:

• Foundations
• Crawlspace vents
• HVAC units
• Storage buildings
• Fences
• Decks
• Porches
• Walkways

Where practical, avoid allowing dense vegetation to grow directly against the foundation.

3. Remove Brush Piles and Outdoor Clutter

Snakes often seek sheltered areas where they can remain hidden.

Common hiding places may include:

• Brush piles
• Leaf piles
• Stacked lumber
• Old landscaping materials
• Plywood
• Roofing materials
• Tarps
• Abandoned equipment
• Rock piles
• Debris beneath decks and porches

Removing unnecessary clutter can significantly reduce available shelter.

4. Store Firewood Away From the House

Firewood piles can provide hiding places for rodents, insects, and snakes.

Whenever possible, store firewood:

• Away from the foundation.
• Elevated off the ground.
• In an organized stack.
• Away from crawlspace entrances and exterior doors.

This also makes it easier to inspect the area for pest activity.

5. Seal Gaps and Openings Around the Structure

Snake prevention should include an inspection of the building exterior.

Look for openings around:

• Crawlspace doors.
• Foundation vents.
• Plumbing penetrations.
• Utility lines.
• Garage doors.
• Exterior doors.
• Siding.
• Foundation gaps.
• Decks and porches.
• Storage buildings.

Small openings should be properly repaired or sealed using materials suitable for the location.

Damaged crawlspace vents and doors should also be repaired so they close securely.

6. Reduce Excess Moisture

Moist environments can attract insects, frogs, slugs, rodents, and other animals that may serve as prey for snakes.

Check the property for:

• Standing water.
• Poor drainage.
• Leaking outdoor faucets.
• Plumbing leaks.
• Excessively damp crawlspaces.
• Clogged gutters.
• Areas where water collects near the foundation.

Correcting moisture problems can make the property less attractive to a variety of pests—not just snakes.

7. Keep Garages and Storage Buildings Organized

Garages, barns, sheds, and storage buildings can provide excellent shelter for snakes when they are cluttered or rarely disturbed.

Keep items elevated when practical and reduce piles of:

• Cardboard boxes.
• Bags.
• Lumber.
• Equipment.
• Clothing.
• Landscaping supplies.

Check exterior doors for gaps along the bottom and sides.

8. Be Careful With Bird Feeders

Bird feeders can indirectly increase snake activity.

The problem is not necessarily the birds themselves. Spilled seed can attract mice and rats, which may then attract snakes.

If you use bird feeders:

• Clean up spilled seed regularly.
• Keep feed stored in sealed containers.
• Avoid allowing large amounts of seed to accumulate on the ground.
• Watch for signs of rodent activity.

9. Inspect Crawlspaces

Crawlspaces can provide shade, moisture, insects, rodents, and shelter.

Homeowners should make sure:

• Crawlspace doors close properly.
• Foundation vents are intact.
• Openings around plumbing and utility penetrations are sealed where appropriate.
• Rodent activity is addressed.
• Excess moisture is corrected.
• Debris and unnecessary materials are removed.

Because crawlspaces can contain electrical hazards, wildlife, insects, mold, and other hazards, use caution when entering these areas.

10. Do Not Handle an Unknown Snake

If you cannot positively identify a snake, do not attempt to pick it up, corner it, or kill it.

Keep children and pets away and give the snake room to leave.

Many snakes encountered around Eastern North Carolina homes are harmless and can help control rodents and other pests. However, venomous species are also present in North Carolina, so an unidentified snake should always be treated cautiously.

A Better Long-Term Strategy

The best snake-prevention strategy combines several steps rather than relying on one product.

Focus on:

Rodent control + habitat reduction + moisture correction + exclusion

Together, these measures address the conditions that make a property attractive to snakes.

For homeowners in Eastern North Carolina, regular property maintenance and pest management can also help identify conditions such as rodent activity, damaged crawlspace vents, foundation openings, excessive moisture, and outdoor clutter before they develop into larger problems.

Need Help With Pest Conditions That May Attract Snakes?

D & D Pest Control Co. provides professional pest and rodent-control services throughout Eastern North Carolina.

While snake activity may sometimes require wildlife-specific assistance, controlling rodents, insects, and other pest conditions around the home can help reduce some of the food sources and environmental conditions that may attract snakes.

D & D Pest Control Co.
NC Structural Pest Control License #1274 PW
Phone: (252) 523-8255
Website: www.ddpestcontrol.com