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A peaceful Central California residential street lined with single-family homes — Los Altos Hills, California service area

Flea & Tick Elimination

Flea & Tick Control in Los Altos Hills, CA

101 Exterminators provides flea and tick control in Los Altos Hills for properties where the fleas are not coming from the pets. CA licensed under SPCB Lic. #9119, working Santa Clara County since 2005. With Rancho San Antonio, Byrne Preserve and Juan Prado Mesa on the town boundary, opossums, raccoons and ground squirrels seed cat fleas (Ctenocephalides felis) into yards continuously.

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Local Context

Wildlife Trails Off the Preserves End in Somebody's Landscaping

Cat fleas (Ctenocephalides felis) dominate here whether or not a household keeps pets, because their hosts include opossums, raccoons and ground squirrels that cross these properties nightly. Los Altos Hills is ringed by permanent habitat, the Rancho San Antonio frontage plus the Town's own Byrne, Juan Prado Mesa and O'Keefe preserves, and one-acre lots put shaded, irrigated landscaping directly against it. Flea eggs and larvae develop in exactly that: cool, shaded, moist ground under decks, shrubs and crawl-space openings.

Crawl spaces make it worse. Where an opossum or raccoon can get under a house or a deck on a hillside lot, it leaves a flea nursery in soil that never sees sun and never dries out. Owners treat the pet and the carpet, and the reintroduction keeps arriving from a subarea nobody opened. We see that pattern repeatedly along the Deer Creek corridor and the Moody Road frontage.

Ticks are the other half, and here they deserve real attention. The western black-legged tick (Ixodes pacificus) — the primary Lyme disease vector in California — occupies the leaf litter, grass edges and trail margins running through this town's open space. Riding, hiking and dog walking put people and animals into that margin daily. Ticks are picked up at the vegetation edge, not out in a mown lawn.

How We Work in Los Altos Hills

On a Los Altos Hills property we find the wildlife route before treating anything: crawl-space and deck openings, gaps under sheds and stable floors, and the shaded, irrigated ground where larvae develop. Closing that access is what breaks the reintroduction cycle. Interior treatment pairs an adulticide with an insect growth regulator across carpet, pet resting areas and baseboards. Outside we treat shaded resting areas and the vegetation edge rather than open pasture, and we coordinate timing with your veterinarian-approved pet product so the whole cycle gets hit together.

Los Altos Hills Climate

The foothill elevation gives Los Altos Hills 18 to 24 inches of rain a year, more than the valley floor below it, and the oak woodland keeps ground-level humidity up under the canopy even when open areas hit 85 to 93°F in July. The number that drives pest behavior here is not the temperature, it is the contrast that opens in summer. The creeks draw down or run dry by July while the town's landscaping, pastures, and leach fields stay wet on a schedule. From midsummer through the first rains, the irrigated parcels are the only reliably damp ground for a long way, and gophers, rats, and wildlife all move toward them.

Housing Stock

The town is almost entirely custom single-family homes on lots of an acre and up, running from 1950s and 1960s ranches through recent large builds, with working horse properties, stables, and remnant orchard trees mixed among them. That layout matters for pests in a couple of ways. Many parcels are on septic rather than sewer, and a leach field holds a defined patch of subsoil moist straight through a dry summer, which is what gophers and subterranean termites are both looking for. And the outbuildings add up: a barn, a hay store, a tack room, a pool house, a detached garage, a well house. Each one is unheated wood that nobody walks through daily, which is where black widow and rodent populations get established before anyone notices them.

Why Local Expertise Matters

A gopher program on a two-acre horse property is a different job from a gopher program on a suburban lot, and treating them the same is why the mounds come back. Here we map the active tunnel systems across the whole parcel, work the main runs instead of the surface mounds, and set the schedule around irrigation and pasture use rather than a fixed calendar. On septic parcels we locate the leach field and the well head before anything else, because those areas change both where the activity concentrates and where we are willing to work. That calibration comes from doing agricultural and rural properties across our four counties since 2005. SPCB Lic. #9119.

Warning Signs

Signs You Need Fleas & Ticks Service in Los Altos Hills

Inside the home we pair an adulticide with an insect growth regulator, which keeps eggs and larvae from ever reaching the breeding stage. Outside we treat the shaded ground where larvae survive, plus the fence lines, wood piles, and crawl space openings that wildlife uses as a highway. Tick work concentrates on the boundary between mowed yard and unmanaged brush, since that strip is where questing ticks meet people and dogs. We also walk the property for the entry points that keep bringing fleas back, and we explain what your veterinarian needs to handle on the animal, because the environment and the pet only work when they are handled together.

Pets scratching or chewing at the base of the tail, the belly, and behind the ears

Flea dirt in pet bedding: dark pepper-like specks that turn rust red on a damp paper towel

Bites in tight clusters on ankles and lower legs, usually a few in a row

Small dark insects that disappear into carpet pile the moment you part the fur

A burst of biting a day or two after a vacation, or on the first day in a vacant rental

Fleas in a home with no pets, which usually points to wildlife living under the structure

Ticks found on a dog after time in the yard rather than after a hike

An attached tick on a family member, or a rash, fever, or joint ache in the weeks after a bite

How It Works

Our Fleas & Ticks Process in Los Altos Hills

Every job follows the same methodical approach — no shortcuts, no guesswork. Here is what to expect when you work with us in Los Altos Hills.

01

Inspection & Source Identification

We look for flea dirt where it collects, check crawl spaces and the shaded ground under decks and hedges, and note where opossums, raccoons, and ground squirrels are moving through the property. For ticks we walk the line where kept lawn meets brush, since that strip carries most of the exposure. What the inspection turns up sets the treatment, rather than a standard package set in advance.

02

Interior Treatment

Interior work pairs an adulticide for the fleas you can see with an insect growth regulator for the ones you cannot. The growth regulator keeps eggs and larvae from developing into breeding adults, and it goes where eggs settle: carpet, the base of upholstered furniture, pet resting spots, and along baseboards. On hard floors we work the edges and cracks, where debris feeds developing larvae.

03

Yard & Property Edge

Flea larvae do not survive in open sun, so yard treatment targets shade: under decks and stairs, beneath dense shrubs, along the north side of the house, and wherever the dog lies down. Tick treatment follows a different line, the border where mowed yard gives way to tall grass, leaf litter, and brush. Treating the whole lawn misses both.

04

Pet Coordination & Follow-Through

Treating the house without the animal, or the animal without the house, puts you back where you started. We coordinate timing so your veterinarian's product goes on the pet the same day we treat, and we walk you through the vacuuming schedule that pulls pupae out of the carpet. Vacuuming does more than clean here, since the warmth and pressure signal cocooned adults to emerge onto treated surfaces.

Why 101 Exterminators

Fleas & Ticks You Can Count On in Los Altos Hills

Growth Regulator in the Plan

An adulticide handles the fleas jumping today. The insect growth regulator works on the eggs and larvae buried in carpet and yard shade, which is where the great majority of the population is sitting at any moment.

Yard and Property Edge Treated

Indoor-only treatment leaves the outdoor source running. We treat the shaded ground where flea larvae survive and the brush line where ticks wait for a host to walk by.

Wildlife Source Assessment

Homes along open space, creek corridors, and farm edges get fleas delivered by opossums, raccoons, and ground squirrels. We find the openings those animals are using and tell you what needs closing.

Coordinated With Your Veterinarian

We time the visit around the product your vet has prescribed, and you get written prep and re-entry steps so the two halves of the job line up instead of canceling each other out.

Common Questions

Flea & Tick Control FAQs for Los Altos Hills

We have no pets but we have fleas. How, on a property this size?

Cat fleas (Ctenocephalides felis) do not need a household pet — opossums, raccoons, ground squirrels and feral cats carry them, and they cross Los Altos Hills acreage nightly from the preserves on the town boundary. Eggs drop where those animals travel and rest, usually in shaded irrigated ground or under a deck or crawl space. Finding and closing that access matters more than any interior treatment.

How do we reduce tick exposure on the trails around our property?

Stay to the middle of the path and treat the vegetation edge as the risk zone — the western black-legged tick (Ixodes pacificus) waits on grass tips and leaf litter along the margin, not in open ground. Check people and dogs at the ears, neck and belt line after time on the preserve trails around Los Altos Hills. Keeping tall grass and leaf litter pulled back from where the household walks and sits also overlaps with the vegetation management the Town already requires inside its wildland-urban interface fire area.

Fleas came back a month after treatment. What went wrong?

Usually the outdoor source was never closed. On Los Altos Hills acreage the reservoir is wildlife living under a deck, a shed, a stable floor or an open crawl space, and it repopulates the yard as soon as the residual fades. The other common cause is timing — the pet, the interior and the outdoor resting areas have to be treated close together, or the untreated leg reseeds the others. We check both before repeating a treatment.

Local Pest Pressure

Common Pests We Treat in Los Altos Hills

Every area has its own pest profile shaped by climate, housing, and geography. These are the pests we see and treat most often in Los Altos Hills — tap any one to learn how to identify it and what treatment involves.

Pocket Gophers

Large irrigated lots, horse pastures, and orchard soil throughout Los Altos Hills create the most extensive gopher habitat in Santa Clara County — nearly every property has gopher activity

Roof Rats

Orchard trees throughout the large lots and the oak woodland canopy of the hillside provide endemic roof rat habitat with direct roofline access from overhanging branches

Wildlife Intrusion

Open space adjacency from Rancho San Antonio and the foothills brings gray squirrels, raccoons, and other wildlife that enters attics and crawl spaces more commonly than in flat valley cities

Drywood Termites

Custom homes throughout Los Altos Hills from the 1950s–1980s have original wood framing with established drywood termite histories

Black Widows

Horse stables, hay storage, tool sheds, and the abundant outdoor structures throughout large-lot Los Altos Hills properties are prime black widow habitat

Flea & Tick Control · Los Altos Hills

Free Pest Evaluation in Los Altos Hills

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Trusted by Los Altos Hills families since 2005