The short version
Around Great Falls, MT, most snakes are harmless. Venomous snakes in Montana include prairie rattlesnakes. Across Great Falls, keep your distance, never try to kill or catch one, and seal the gaps, clear the cover, and control the mice that draw them in.
- Most snakes around Great Falls, MT are harmless and beneficial; only about 30 of roughly 150 U.S. species are venomous.
- In Montana, the venomous snakes to know are prairie rattlesnakes.
- Never try to kill or catch a snake around Great Falls, MT — most bites happen that way.
- Seal every gap larger than a quarter inch on a Great Falls, MT home.
- Clear cover and control mice around Great Falls, MT; snakes follow both.
For anyone in Great Falls, MT who has seen a snake on their property, found a shed skin, or keeps running into the same signs and wants to know what to do. If someone has already been bitten, call 911 first.
What to look for
Around Great Falls, MT, they follow food (mice, rats, frogs), cover (woodpiles, tall grass, rocks), and a way in through any gap larger than a quarter inch. Snakes around Great Falls, MT are active roughly April through October, with a late push in fall as snakes look for a winter den, and most you'll see are harmless — but a few are worth identifying before anyone gets close. Snakes don't move into a Great Falls, MT yard by accident.
- 1Across Great Falls, MT, the clearest sign is seeing the same snake — or the same size and color — in the same spot more than once.
- 2A shed skin in your Great Falls garage, crawl space or garden bed is a sign a snake has been around.
- 3S-shaped drag marks in dust or loose soil around Great Falls trace a snake's route and often point to its gap.
- 4Mice, rats or frogs around a Great Falls home are the food snakes follow, and an open invitation.
- 5A musky smell in an enclosed space like a Great Falls crawl space or shed can mean a snake has been disturbed there, sometimes repeatedly.
- 6Rustling under floors or disturbed insulation in a Great Falls attic is worth checking, since rat snakes climb after mice.
Why it’s worth acting soon
- Waiting in Great Falls, MT means another day a venomous snake could bite — and most bites happen when someone tries to move or kill it.
- A snake that found a way into a Great Falls, MT home can find it again until the gap is sealed; the opening doesn't close itself.
- One snake in spring around Great Falls, MT can become a litter by summer, since several common species give birth to live young.
- The cover and food that drew a snake to a Great Falls, MT property keep drawing the next one until you change them.
Treatment options and typical costs
Identification and risk check
$100–$250
A pro confirms what you're dealing with in Great Falls, MT and walks the property to spot the gap it used and any rodent sign.
- Time
- 45–90 minutes
- Best for
- Any Great Falls, MT sighting where you couldn't tell what it was.
Safe removal and relocation
$150–$450
A licensed operator captures and relocates the snake where state law allows; in Montana several species are protected, so a good Great Falls pro knows which can be moved and where. Around Great Falls, most rattlesnake encounters and bites in Montana fall between April and September, with snakes basking mid-morning after cool nights and inactive below about 60 degrees F.
- Time
- 1–2 hours
- Best for
- A snake inside a Great Falls, MT home, garage, or crawl space now.
Exclusion and entry sealing
$300–$600+
Sealing every opening larger than a quarter inch in a Great Falls, MT home — door sweeps, vents, drains, and utility gaps — so the next snake has no way in.
- Time
- Half day to a full day
- Best for
- Repeat sightings or a snake found inside a Great Falls, MT home.
Habitat and prey reduction
$150–$400
Removing the woodpiles, brush, and rodent activity that make a Great Falls, MT yard attractive to snakes — the root fix in the semi-arid continental climate.
- Time
- 2–4 hours, then ongoing
- Best for
- Great Falls, MT yards with cover, woodpiles, or mouse activity.
Prices are typical published ranges. Ask what’s included before you compare quotes.
Keep mulch thin, fix dripping taps and clear clutter near the house.The snakes you're most likely to see in Great Falls.
Around Great Falls, the snakes you'll see most are gopher snakes, garter snakes, and racers — harmless to people and useful, since they eat rodents. In Montana, the venomous species to know are prairie rattlesnakes, and a professional can tell the difference fast.
Local snakes conditions in Great Falls.
A provider who works Great Falls and Montana every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. Great Falls sits in a semi-arid continental climate, and that sets the pace for snake activity here: spring through fall (April-October). Across Great Falls, the area is mostly suburban, so snakes pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. An inspection in Great Falls usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Great Falls's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote.
Light under the garage door means a gap a snake can use. A new seal fixes it.When snakes are active around Great Falls.
Great Falls is with around 57% average humidity and summer highs near 85°F. Snakes around Great Falls, MT are active roughly April through October, with a late push in fall as snakes look for a winter den — spring brings them out to bask, and fall is when they look for winter shelter.
Why snakes come to Great Falls homes.
Around Great Falls, cut the food and cover and seal the gap, and the yard stops being worth visiting. Snakes don't move into a Great Falls yard by accident. Around Great Falls, snakes follow food, cover and an opening: mice and frogs, woodpiles and tall grass, and any gap over a quarter inch.
The three jobs of snake control in Great Falls.
- Every snake problem around Great Falls is three jobs, in order. - Get the animal out of the Great Falls property: capture and relocate it, safely and legally. - Close the door on the Great Falls home: seal the gap it used, so the next one can't follow. - Remove the reason around Great Falls: cut the cover and food that made the property worth visiting. A removal quote usually covers only the first job — ask which of the three a pro covers before you sign in Great Falls.
The quarter-inch rule for Great Falls homes.
One thorough afternoon on a Great Falls home does more than a season of spraying anything. If a gap is wider than a quarter inch, a snake can use it — and around Great Falls, the usual suspects are the bottom of exterior doors, crawl-space vents, and gaps around pipes and wires. Around Great Falls, fix each one the right way: door sweeps that meet the threshold, quarter-inch hardware cloth over vents and drains, and caulk or steel wool in foundation gaps.
What removal costs in Great Falls.
Across Great Falls, ask for a written quote that spells out visits and the warranty. Across Great Falls, the four things that move the number: whether it's venomous, where it is, whether sealing is included, and how many snakes there are.
If someone is bitten around Great Falls.
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What affects the price
- Whether the snake in Great Falls, MT is venomous — safety protocol and insurance push that price up.
- Where in Great Falls, MT it is — an open yard is quick; inside a wall or attic is not.
- Whether entry points on a Great Falls, MT home need sealing on top of the removal.
- How many snakes are involved around Great Falls, MT, and whether there's evidence of breeding.
- Timing in Great Falls, MT — same-day and after-hours calls usually cost more.
- Whether rodent control is folded into the Great Falls, MT job.
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What worries you most about snakes?
When to call for help
In Montana, the ones to know are prairie rattlesnakes. Around Great Falls, MT, call too when the same snake keeps appearing in one spot — that's a resident, not a visitor, and removal alone won't end it. Across Great Falls, MT, call when you can't identify the snake with confidence, when anything rattles or has a triangular head with vertical pupils, or when it's inside the house, garage, or crawl space.
What you can do yourself
If you're certain a snake around Great Falls is harmless and out in the open, a broom and a lidded trash can will move a garter snake along. If you're not certain around Great Falls, MT, hire it out — a dead rattlesnake can still bite by reflex, so even the "handled it myself" version of this story is where the accidents happen. Plenty of snake work around Great Falls, MT is safely yours: mow the grass short near the house, move woodpiles and rocks off the foundation, seal gaps under doors, and deal with mice. Across Great Falls, those steps are nearly free and matter more than anything off a shelf. What isn't yours is the snake itself in Great Falls.
Snakes in Great Falls
In Montana, the venomous species to know are prairie rattlesnakes. The harmless snakes you'll see most are gopher snakes, garter snakes, and racers. Across Great Falls, when you're not sure what kind of snake it is, keep back and call a pro. Great Falls is a city founded in 1884, with summer highs near 85°F. That shapes when snakes are out — around Great Falls, MT, they're active roughly April through October, with a late push in fall as snakes look for a winter den.
Snake safety tips
Look from a distance, and don’t guess
Many harmless snakes look a lot like venomous ones. Around Great Falls, Montana, keep well back, take a zoomed-in photo, and compare it with your state wildlife agency’s guide.
If someone is bitten
Get medical help right away for any snakebite. Move away from the snake and don’t try to catch it. Don’t use a tourniquet, cut the wound, suck out venom or apply ice.
CDC: snakebite first aidBased on guidance from the CDC and university extension services.
How we check our sourcesLocal research
Snakes in Great Falls, MT: what the public record shows
Before you compare quotes, it helps to know which snakes actually live in Montana, when they are busiest around Great Falls, and what the state figures look like. Everything below links to the agency or university page it came from.
Statewide range and elevation
They are most likely on south-facing slopes and around rock outcrops, and turn up in yards near brush and wood piles.
Montana State University ExtensionMontana FWP on snake control
FWP advises leaving snakes alone and using exclusion - sealing openings a quarter inch or larger - rather than killing them.
Montana Fish, Wildlife & ParksWhen snakes are busiest around Great Falls
Most rattlesnake encounters and bites in Montana fall between April and September, with snakes basking mid-morning after cool nights and inactive below about 60 degrees F.
Montana FWP and MSU Extension use different common names - western rattlesnake and prairie rattlesnake - for the same species, Crotalus viridis.
Rules that apply in Montana
For context, nationally
- 7,000-8,000; about 5 deaths — Venomous snakebites per year in the U.S.. CDC/NIOSH
- 10-44 percent — Rattlesnake bite victims with lasting injury. CDC/NIOSH
Sources: Montana State University Extension; Montana Fish, Wildlife & Parks; CDC/NIOSH. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep snakes away
- Around Great Falls, MT, seal every gap larger than a quarter inch in the foundation, siding, and roofline.
- Add door sweeps and screen vents to a Great Falls home, especially over the crawl space.
- Across Great Falls, MT, mow short near the house and clear brush, woodpiles, and rock piles that give snakes cover.
- Across Great Falls, stack firewood off the ground and away from the house so it stops being snake shelter.
- Across Great Falls, MT, control mice and rats — remove birdseed, pet food, and other attractants snakes follow.
- Trim shrubs up from the soil and tree branches back from the roof on a Great Falls property.
- Around Great Falls, MT, fix dripping taps and standing water, which draw the frogs and the snakes that eat them.
Ask what kind of snake it is, where it'll be released and whether sealing is included.Did you know?
Around Great Falls, MT, the snakes you're most likely to meet are gopher snakes, and they're harmless.
A snake around Great Falls relies on scent far more than sight.
In Montana, several snake species are protected by law, so identification matters before anyone acts.
Questions people ask
Are there venomous snakes around Great Falls, MT?
In Montana, the venomous species to know are prairie rattlesnakes. Around Great Falls, MT most snakes you'll actually see are harmless, but if you can't identify one with confidence, treat it as venomous and keep your distance.
When are snakes active around Great Falls, MT?
Snakes around Great Falls, MT are active roughly April through October, with a late push in fall as snakes look for a winter den. Spring brings them out to bask, and fall is when they look for winter shelter — which is when they turn up in Great Falls garages and crawl spaces.
What should I do if I find a snake in my Great Falls home?
Close the door to the room in your Great Falls home if you can, and wedge a towel under the gap. Across Great Falls, don't try to catch or kill it — call a professional to remove it and ask where it got in. Stay calm and keep children and pets away.
What should I do if someone is bitten?
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Do snake repellents or mothballs work around Great Falls, MT?
Across Great Falls, there's no registered pesticide that kills or drives off a snake, and mothballs are both ineffective and toxic. Around Great Falls, MT, snake control is physical: capture the snake, seal the openings, and remove the rodents and cover that attracted it. No.
How much does snake removal cost in Great Falls, MT?
Across Great Falls, published benchmarks put a typical removal around $350 and relocation around $300, with venomous or attic removals around $500. For a Great Falls, MT property, those are planning numbers, not a quote — your price depends on the snake, the location, and the pro.
Is it legal to kill a snake on my Great Falls, MT property?
It depends on your state and the species. Several states protect certain snakes, and around Great Falls, MT relocation through a professional is the safer and usually legal route.
Why do I keep seeing snakes around Great Falls, MT even after removing one?
Because the thing that attracted it is still there. If the food, cover, and entry point on your Great Falls, MT property don't change, each removal just makes room for the next snake.
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The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Snake Exterminator · Updated October 13, 2026 · How we write these guides