The short version
Most spider jobs in Salt Lake City cost a few hundred dollars. An inspection usually runs $75–$200.
- Inspections usually cost $75–$200.
- Recluse work costs more because it takes more visits.
- Sealing gaps and bug lights cut repeat visits.
- Compare what each quote covers, not just the total.
Homeowners and renters in Salt Lake City who'd like fewer spiders, and peace of mind about the dangerous ones.
What to look for
Spiders follow their food. More insects means more spiders. Most are harmless and even helpful. Salt Lake City is outside the brown recluse range, so most 'recluses' here are look-alikes. Webs and egg sacs keep the cycle going.
- 1Spider activity in the garage near the door gap.
- 2Egg sacs, round or teardrop-shaped, tucked in eaves and frames.
- 3Webs across doorways or gates each morning.
- 4Spiders in bathtubs and sinks in late summer.
- 5A pale spider in a silk retreat high on a wall.
- 6Dead insects wrapped in silk along ledges.
Why it’s worth acting soon
- Egg sacs hatch hundreds of spiderlings.
- Webs build up in eaves, corners and garages.
- Widows nest under outdoor furniture and grills.
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Estimate spider control cost in Salt Lake City
Adjust for your situation to see a ballpark range.
Estimated range
A rough guide only. Recluse work and recurring plans cost more.
Treatment options and typical costs
Inspection and Species Identification
$75–$200
A pro in Salt Lake City starts by walking the exterior, garage, basement and eaves with a flashlight, noting webs and where insects gather. The goal is to name the species before deciding anything.
- Time
- 45–90 minutes
- Best for
- Every job; the species decides how much to do
Monitoring and Follow-Up
$50–$150 per visit
Trap counts give an honest read. If numbers keep falling, the plan is working. If not, a good pro changes approach.
- Time
- 20–45 minutes
- Best for
- Confirming results; recluse or widow properties
Web and Egg-Sac Removal
$100–$250
A good pro in Salt Lake City works high and low: gable vents, light fixtures, deck undersides and the gap behind shutters. Those spots stay webbed because nobody looks there.
- Time
- 30–90 minutes
- Best for
- Visible webbing on eaves, porches, sheds and basements
Sealing Gaps, Lighting and Prey Reduction
$150–$450
This is practical work: sweeps, screens, sealing and bulbs. A pro may do it or hand you a punch list.
- Time
- 1–4 hours
- Best for
- Long-term reduction; homes near woods, water or fields
Prices are typical published ranges. Ask what’s included before you compare quotes.
Crawl spaces and their vents are worth a look with a flashlight, especially if a widow has turned up outside.What spider control costs in Salt Lake City.
- Sealing Gaps, Lighting and Prey Reduction: $150–$450 - Web and Egg-Sac Removal: $100–$250 - Monitoring and Follow-Up: $50–$150 per visit - Inspection and Species Identification: $75–$200 - A typical home in Salt Lake City is worth around $550k, and spider work is one of the cheaper pest jobs. Without recluses around Salt Lake City, most jobs are one-time work.
Local spiders conditions in Salt Lake City.
Salt Lake City sits in a semi-arid continental climate, and that sets the pace for spider activity here: late summer through fall (August-October). In Salt Lake City, the area is mostly urban, so spiders 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 Salt Lake City usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Salt Lake City'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. A provider who works Salt Lake City and Utah 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.
The gap under a door is one of the easiest ways in, for spiders and for the insects they follow.Which spiders live around Salt Lake City.
Most spiders in Salt Lake City homes are house spiders, cellar spiders, jumping spiders and wolf spiders. All are harmless to people. Black widows live in every lower-48 state. Around Salt Lake City, they're western black widows, usually hiding under decks, grills and meter covers. Brown recluses don't live around Salt Lake City. Most suspects turn out to be harmless look-alikes. Hobo spiders are common in the Northwest. Despite their reputation, they aren't considered dangerous.
When you’ll see more of them.
You'll see the most in late summer and fall. That's when males wander. Winter lows around 23°F in Salt Lake City slow spiders outside, but house spiders carry on indoors. Spring brings a new hatch. Clear egg sacs in winter.
Where they hide in houses here.
Plenty of homes in Salt Lake City have basements, and basements are spider central. Check window wells, storage areas and the sill plate. Clutter gives them endless hiding spots.
A year of spiders in Salt Lake City.
- Winter: with lows near 23°F in Salt Lake City, a good time to clear clutter and seal gaps. - Fall: males wander indoors. Peak spider season. - Summer: highs near 92°F in Salt Lake City bring more insects, and more spiders. - Spring: new spiderlings hatch. Vacuum webs and egg sacs.
Harmless or worth a closer look?
- Orb weaver: big round web outside. Harmless. - Jumping spider: small, fuzzy, hops. Harmless. - Cellar spider: tiny body, very long legs. Harmless. - Wolf spider: big, hairy and fast. Harmless. - Brown recluse: tan, violin mark on its back, plain legs. - Black widow: shiny black, red hourglass underneath. Leave it alone.
If you think you’ve been bitten.
If you can, safely catch the spider for identification. See a doctor for severe pain, cramping or spreading redness. Raise the area if you can. Use a cool compress. Wash the bite with soap and water.
Fewer spiders, the easy way.
- Beds: keep them a few inches from the wall. - Shoes and gloves: shake them out before use. - Webs: vacuum webs and egg sacs every few weeks. - Clutter: store things in sealed plastic bins, not cardboard. - Gaps: add door sweeps and repair screens. - Lights: yellow bug lights draw fewer insects.
Webs outside: leave some, clear some.
- Gloves: wear them when moving firewood, pots or patio cushions. - Woodpiles: keep them off the ground and away from the house. - Eaves and window frames: a long-handled brush works well. - Doorways and porch lights: brush webs away weekly. - Garden orb weavers: leave them. They catch flies and mosquitoes.
Spider myths.
- Every blister is a recluse bite: most aren’t spider bites. - Spiders move in for winter: most house spiders never leave. - Daddy longlegs are deadly: no. They’re harmless. - Swallowing spiders in your sleep: no evidence it happens.
Spiders and pets.
Ask the company which products are cat-safe. Some sprays are risky for cats. your vet. A widow bite can sicken a dog or cat. Most spiders are no threat to pets.
What a spider visit looks like.
Inside, they focus on corners, closets and the garage. They treat cracks, gaps and hiding spots, not open lawn. They knock down webs and egg sacs around eaves and windows. The tech walks the outside first. Most visits take about an hour.
Sticky traps tell you a lot.
They show which spiders you have and where they travel. Check them after a week. Set sticky traps along baseboards, behind furniture and in the garage.
Outdoor lights and spiders.
Motion-sensor lights help too. Yellow bulbs attract fewer bugs. Porch lights draw insects, and insects draw spiders.
Cellar spiders in the basement.
A dehumidifier and a broom keep them in check. They're harmless and even eat other spiders. Long-legged cellar spiders hang in basement corners.
Spiders in the garage.
A door sweep and a sticky trap by the door help. Store things in sealed bins off the floor. Garages collect webs, boxes and insects.
Questions to ask before you sign.
- When can kids and pets go back in? - What happens if they come back? - Will you seal gaps or add door sweeps? - Is web and egg-sac removal included? - Where will you treat, inside and out? - Which spiders did you find?
Ways to keep the cost down.
- Compare what each quote covers. - Ask whether a one-time visit is enough. - Clear clutter before the visit. - Switch to yellow bug lights. - Vacuum webs and egg sacs yourself.
What affects the price
- Local labor rates and travel distance.
- Lighting changes recommended or performed.
- Inclusion of web and egg-sac removal.
- One-time visit versus recurring plan.
- Whether outbuildings, sheds and decks are included.
- Eave depth and roofline height.
- Wooded, wet or open-field surroundings.
- Bundling with an existing general pest plan.
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What's your biggest concern about spider control costs?
When to call for help
High eaves and attics are worth leaving to a pro. if spiders keep coming back after cleaning. Call if a black widow is near where kids play.
What you can do yourself
Start simple. Add door sweeps and store things in sealed bins. Skip foggers. They don't reach hiding spots. A pro adds targeted treatment in cracks and voids.
Spiders in Salt Lake City
Salt Lake City only gets about 16 inches of rain a year, so spiders gather where insects find water: garages, sprinkler zones and shaded walls. In denser parts of Salt Lake City, spiders favor stairwells, garages, basements and window frames.
Local research
Spiders in Salt Lake City, UT: what the public record shows
Before you compare quotes, it helps to know which spiders actually live in Utah, when they are busiest around Salt Lake City, and what the state figures look like. Everything below links to the agency or university page it came from.
Hobo spider detection in Pacific Northwest
An introduced European species that has since spread across the Intermountain West.
Utah State University ExtensionSpider species recorded in Utah
- Hobo spider (Eratigena agrestis) — European funnel weaver 'detected in the Pacific Northwest in 1936', now 'throughout northern Utah' and 'throughout Washington'. Current extension/health stance: not medically si…
When spiders are busiest around Salt Lake City
'They are frequently found in Utah homes from August through October' as males seek mates (USU).
'This species is now distributed throughout northern Utah.' 'No significant scientific evidence suggests that hobo spiders have a necrotic (flesh-eating) bite' (USU).
For context, nationally
- Throughout North America, but are most common in the southern and western United States — Black widow distribution. CDC/NIOSH
- In the midwestern and southern United States — Brown recluse distribution. CDC/NIOSH
Sources: Hobo Spider; CDC/NIOSH. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep spiders away
- Put exterior lights on motion sensors.
- Run a dehumidifier in damp basements.
- Keep garage doors closed and weatherstripped.
- Close windows at night or use tight screens.
- Move fixtures away from doors where possible.
- Check meter boxes and grills before reaching in.
Compare quotes on what they include: web removal, treatment, sealing and any follow-up visit.Did you know?
Male black widows are tiny, patterned and harmless
Wolf spider mothers carry hundreds of spiderlings on their backs
Questions people ask
What should a spider control quote include?
Which spiders they found, what they'll treat, and how often. It should say what happens if spiders return.
How much does it cost to seal spiders out?
Usually $150–$450 for door sweeps, screens and gap sealing. Bigger homes cost more.
Does home size change the price?
Yes. Bigger homes have more walls, eaves and storage to treat.
Can I save money by doing part of the work myself?
Yes. Clear clutter and store items in sealed bins.
Can I just leave the spiders alone?
Most house spiders are harmless and eat other pests. Widows are the exception, so check under outdoor furniture.
How long does spider treatment take to work?
You'll usually see fewer within a week or two. Webs and egg sacs need clearing too, or new spiders hatch.
Is a spider bite what I think it is?
See a doctor if a bite spreads, blisters or hurts badly. Many 'spider bites' are really other insects or skin infections. Often not.
Is it normal to find spiders in your bedroom?
In Salt Lake City, most spiders are harmless and beneficial, so the goal is usually to remove the webs and egg sacs and reduce the insects they feed on. In Salt Lake City, only the black widow and brown recluse are medically significant in the U.S., and they are identified by their markings.
What does a severe spider infestation cost to treat?
In Salt Lake City, letting a spider problem grow can triple the bill, judging by Local quotes vary; ask for a written estimate. In Salt Lake City, for homeowners the range is a benchmark, and inspection findings set the real price.
Are there dangerous spiders in Salt Lake City?
Black widows, yes, as almost everywhere. Most other spiders here are harmless.
When are spiders worst in Salt Lake City?
Late summer and fall, when males wander.
Nearby cities
Related guides
Sources (12)
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 Spider Exterminator · Updated September 11, 2026 · How we write these guides