The short version
Most spiders in Tempe are harmless. Black widows live here, as in every lower-48 state. Desert recluses, a relative of the brown recluse, live in the dry country around Tempe. Identify first, then treat.
- Most house spiders are harmless.
- Black widows live in every lower-48 state.
- Desert recluses live in this area.
- Skip foggers; they don’t reach hiding spots.
- Yellow bug lights and door sweeps help a lot.
Homeowners and renters in Tempe 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. Webs and egg sacs keep the cycle going.
- 1Small flying insects gathering under exterior lights.
- 2Messy, funnel-shaped webs in shrubs and grass.
- 3Tan spider with a violin mark and six eyes.
- 4Fresh cobwebs in corners days after cleaning them.
- 5Webs across doorways or gates each morning.
- 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.
- Recluses hide in boxes, shoes and stored clothing.
Treatment options and typical costs
Inspection and Species Identification
$75–$200
The inspection maps webs, entry cracks and what the spiders eat. Everything that follows is built on that map.
- Time
- 45–90 minutes
- Best for
- Every job; the species decides how much to do
Monitoring and Follow-Up
$50–$150 per visit
A follow-up visit in Tempe typically happens two to four weeks after treatment. The technician checks traps, rebrushes new webs and touches up dust.
- Time
- 20–45 minutes
- Best for
- Confirming results; recluse or widow properties
Sealing Gaps, Lighting and Prey Reduction
$150–$450
Bright porch lights pull in moths, and spiders follow. Yellow bulbs away from doors make a real difference.
- Time
- 1–4 hours
- Best for
- Long-term reduction; homes near woods, water or fields
Exterior Perimeter Treatment and Void Dusting
$150–$350
Ask what product is used and why it fits your Tempe situation. Labels vary, and the choice should be explained plainly.
- Time
- 45–120 minutes
- Best for
- Heavy exterior activity, widows or recluses confirmed
Prices are typical published ranges. Ask what’s included before you compare quotes.
Stacked boxes against a garage wall are a favorite hiding spot; check them before you move them.Which spiders live around Tempe.
They mostly stay outdoors, under rocks and debris. Most spiders in Tempe homes are house spiders, cellar spiders, jumping spiders and wolf spiders. All are harmless to people. Around Tempe, they're western black widows, usually hiding under decks, grills and meter covers. Desert recluses live in the dry country around Tempe.
Local spiders conditions in Tempe.
A provider who works Tempe and Arizona 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. Tempe sits in a hot desert climate, and that sets the pace for spider activity here: late summer through fall (August-October). Across Tempe, 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 Tempe usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Tempe'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.
Dense shrubs, mulch and stone walls close to the house give spiders cover right up to the siding.When you’ll see more of them.
Clear egg sacs in winter. Spiders peak in late summer and fall here. Many stay active all year. Winters are mild in Tempe, with lows near 43°F, so spiders stay active most of the year. Spring brings a new hatch.
Where they hide in houses here.
Look behind furniture and in closets. Many homes in Tempe sit on slabs, so the garage is the busiest spider spot. Check garage corners, door gaps and storage shelves.
A year of spiders in Tempe.
- Spring: new spiderlings hatch. Vacuum webs and egg sacs. - Summer: highs near 106°F in Tempe bring more insects, and more spiders. - Fall: males wander indoors. Peak spider season. - Winter: with lows near 43°F in Tempe, a good time to clear clutter and seal gaps.
Harmless or worth a closer look?
- Black widow: shiny black, red hourglass underneath. Leave it alone. - Brown recluse: tan, violin mark on its back, plain legs. - Wolf spider: big, hairy and fast. Harmless. - Cellar spider: tiny body, very long legs. Harmless. - Jumping spider: small, fuzzy, hops. Harmless. - Orb weaver: big round web outside. Harmless.
If you think you’ve been bitten.
Use a cool compress. Raise the area if you can. See a doctor for severe pain, cramping or spreading redness. If you can, safely catch the spider for identification. Wash the bite with soap and water.
Fewer spiders, the easy way.
- Lights: yellow bug lights draw fewer insects. - Gaps: add door sweeps and repair screens. - Clutter: store things in sealed plastic bins, not cardboard. - Webs: vacuum webs and egg sacs every few weeks. - Shoes and gloves: shake them out before use. - Beds: keep them a few inches from the wall.
Webs outside: leave some, clear some.
- Garden orb weavers: leave them. They catch flies and mosquitoes. - Doorways and porch lights: brush webs away weekly. - Eaves and window frames: a long-handled brush works well. - Woodpiles: keep them off the ground and away from the house. - Gloves: wear them when moving firewood, pots or patio cushions.
Spider myths.
- Swallowing spiders in your sleep: no evidence it happens. - Daddy longlegs are deadly: no. They’re harmless. - Spiders move in for winter: most house spiders never leave. - Every blister is a recluse bite: most aren’t spider bites.
Spiders and pets.
A widow bite can sicken a dog or cat. your vet. Some sprays are risky for cats. Ask the company which products are cat-safe. Most spiders are no threat to pets.
What a spider visit looks like.
The tech walks the outside first. They knock down webs and egg sacs around eaves and windows. They treat cracks, gaps and hiding spots, not open lawn. Inside, they focus on corners, closets and the garage. Most visits take about an hour.
Sticky traps tell you a lot.
Set sticky traps along baseboards, behind furniture and in the garage. Check them after a week. They show which spiders you have and where they travel.
Outdoor lights and spiders.
Porch lights draw insects, and insects draw spiders. Yellow bulbs attract fewer bugs. Motion-sensor lights help too.
Cellar spiders in the basement.
Long-legged cellar spiders hang in basement corners. They're harmless and even eat other spiders. A dehumidifier and a broom keep them in check.
Spiders in the garage.
Garages collect webs, boxes and insects. Store things in sealed bins off the floor. A door sweep and a sticky trap by the door help.
Questions to ask before you sign.
- Which spiders did you find? - Where will you treat, inside and out? - Is web and egg-sac removal included? - Will you seal gaps or add door sweeps? - What happens if they come back? - When can kids and pets go back in?
What affects the price
- Exterior siding type and number of gaps.
- Wooded, wet or open-field surroundings.
- Season and how heavy current activity is.
- Number of follow-up visits included.
- Inclusion of web and egg-sac removal.
- Amount of clutter in garage, basement and storage.
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What's your biggest concern about spiders?
When to call for help
High eaves and attics are worth leaving to a pro. if spiders keep coming back after cleaning. if you suspect a recluse indoors. Call if a black widow is near where kids play.
What you can do yourself
Skip foggers. They don't reach hiding spots. A pro adds targeted treatment in cracks and voids. Start simple. Switch to yellow bug lights. Add door sweeps and store things in sealed bins.
Spiders in Tempe
Tempe has a hot desert climate, and spiders activity here tends to follow late summer through fall (August-October). An inspection in Tempe that starts outside and works inward usually finds the entry points, moisture, and shelter that matter most before anyone treats. Tempe only gets about 9 inches of rain a year, so spiders gather where insects find water: garages, sprinkler zones and shaded walls. In denser parts of Tempe, spiders favor stairwells, garages, basements and window frames.
Local research
Spiders in Tempe, AZ: what the public record shows
Before you compare quotes, it helps to know which spiders actually live in Arizona, when they are busiest around Tempe, and what the state figures look like. Everything below links to the agency or university page it came from.
Spider species recorded in Arizona
- Western black widow (Latrodectus hesperus) — 'The black widow spider, Latrodectus hesperus, is the most common harmful spider in California' and 'occur in most parts of California' (UC IPM); 'common in Colorado' (CSU); Lat…
When spiders are busiest around Tempe
'In the warming temperatures of spring, more insects begin to emerge. Spiders will follow these emerging food sources' (UA Extension); large male wolf spiders and tarantulas wander indoors while searching for females.
University of Arizona Cooperative Extension names the western black widow and the native Arizona recluse (Loxosceles arizonica) as the state's two venomous spiders — the brown recluse (L. reclusa) of the south-central states is not among them. Prevention is weather stripping, screen repair, caulking, and controlling prey insects.
Rules that apply in Arizona
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: University of Arizona Cooperative Extension; CDC/NIOSH; Pest Notes: Spiders (PN 7442). 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.
- Repair torn window and vent screens.
- Reduce clutter in closets and storage rooms.
- Inspect items brought in from sheds and garages.
- Run a dehumidifier in damp basements.
- Fix leaks and standing water in crawl spaces.
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
Jumping spiders see in color and plan their route before they pounce
Questions people ask
How do I choose a spider control company?
Ask them to identify the spiders before treating. Ask what's included and what happens if they come back. Check that they're licensed in Arizona.
Why are there suddenly so many spiders in fall?
Many end up indoors by accident. It usually settles down in a few weeks. Males wander in late summer and fall looking for mates.
Can I just leave the spiders alone?
Recluses and widows are different. Around Tempe, it's worth knowing which you have. Most house spiders are harmless and eat other pests.
Is a spider bite what I think it is?
Many 'spider bites' are really other insects or skin infections. See a doctor if a bite spreads, blisters or hurts badly. Often not.
What does a professional spider treatment involve?
Then they remove webs and egg sacs and seal gaps. Last comes a targeted treatment in cracks and voids. An inspection to identify the spiders first.
How much is quarterly pest control for spiders?
The next step is an inspection that finds the source. It's a published estimate, not a local quote. Local quotes vary; ask for a written estimate.
Is monthly spider control worth it?
cost guide, Local quotes vary; ask for a written estimate. Those are totals for the year. When you get quotes in Tempe, ask each company what they usually see in your neighborhood. Only for heavy or persistent activity. Across Tempe, in its January 2025 U.S.
Are there dangerous spiders in Tempe?
Black widows, yes, as almost everywhere. Most other spiders here are harmless.
When are spiders worst in Tempe?
Late summer and fall, though they're around most of the year.
Nearby cities
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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