Sacramento County routes, since 1978
Ant Control in Sacramento
Ant control in Sacramento is mostly about two things the ants are responding to: heat and rain. Several days of triple-digit heat bring them into bathrooms and kitchens looking for water, and the first heavy winter rain brings them inside for shelter. Apex Pest Control has been treating ants in Sacramento homes since 1978, and ants are the one pest that never fully leaves the route, even in February.
Monday to Friday, 8 a.m. to 5 p.m. Estimates come from your home’s square footage and what you are seeing.

SourcesWritten from the interview with Jeff Alexander, Apex’s verified business facts, and the references linked at the end of the page.Last updated September 2026.
This page explains which ants live here, why the trail you can see is rarely the whole problem, how our ant control service works, and why the can of spray from the hardware store so often makes things worse. Our office is at 4541 Harlin Drive in Sacramento, open Monday to Friday, 8 a.m. to 5 p.m., at (916) 362-9294.
Sacramento seasons
Why Sacramento Homes Get Ants
Ants in Sacramento follow the weather more closely than any other pest. Summers are warm and dry, and a run of triple-digit days drives colonies to look for water, which is why the first trail so often shows up along a bathroom counter or a kitchen sink. More than half the year's rain falls November through February, and the first heavy storm floods the nests, so the ants move into the walls and cabinets for cover. Below 40 degrees most of the route goes quiet, and ants become the only reliable problem.
The house itself supplies the roads. A limb touching the gutter is a highway into the attic. Leaf-filled gutters hold moisture and can hold a colony. Hedge clippings and leaf litter against the foundation shelter the nest, and irrigation against stucco keeps the base of the wall damp. Those conditions are why the trail you spray today is back next week.
Scope, stated plainly
Ant Species Common Around Sacramento
Sacramento has perhaps 15 to 20 ant species. Apex mostly sees two of them, and a third that needs a completely different approach.
Argentine ants
The small dark ants that form wide, fast-moving trails along foundations, patios and kitchen counters. They are the most common ant we treat, and their colonies are large and connected, which is why treating one trail does not end the problem. Our Argentine ant page has identification detail.
Pavement ants
The second ant we see most. They nest under slabs, sidewalks and driveways and come up through expansion joints and cracks, which is why a trail can appear on a patio with no obvious source. The pavement ant page covers the signs.
Other ants homeowners report
Odorous house ants, carpenter ants, harvester ants and thief ants each have their own page on this site. The technician identifies the species on the first visit, because the treatment differs, and Jeff's biology background is why identification comes before product every time.
What you can do
Signs of an Ant Infestation
Most Sacramento homeowners call about the trail. These are the signs that tell us where it is coming from.
- A trail along a counter, sink or tub that appears during a heat wave.
- Ants inside within a day or two of the first heavy rain.
- A trail running up a wall or downspout toward the roofline.
- Tree limbs touching the gutter or the roof.
- Ants at a pet food bowl, indoors or on the porch.
- Tiny pale ants that multiply after you spray.
- Trails on a patio or driveway with no visible nest.
How it works
How Our Ant Control Service Works
Ant control services in Sacramento vary a lot in what they include. Here is the whole first visit from Apex.
Inspection and trail tracing
The technician starts with an interview: why you called, what you have seen, where. Then a tour of the house and a walk around the property, following the trail to the condition behind it. That is where the limb on the gutter or the bowl on the porch gets found.
Interior treatment on the initial visit
Targeted treatment where the activity is, with low-odor products, chosen for the species. Repellent and non-repellent products behave differently: repellents kill most insects but scatter survivors, while non-repellents spread through a colony by transfer. The two are never mixed.
Exterior perimeter treatment
The exterior barrier covers the foundation, the garage, around windows and doorways, under the first-floor eaves, along fence lines and the yard areas around the home. On rainy or saturated days a granular product that withstands up to four inches of rain goes around the base of the home.
Follow-up visits
On the maintenance program, follow-up visits reinforce the exterior barrier and sweep webs, bi-monthly. You do not need to be home. If ants are back inside between visits, that callback is covered for customers in good standing.
Why Store Sprays Can Make Ant Problems Worse
Most cans on the hardware store shelf are repellents. They kill the ants they touch and scatter the rest, and for a connected colony like Argentine ants, scattering means new trails in new rooms. The trail disappears for a few days and returns somewhere else. Non-repellent products work the opposite way: the ants walk through them and carry the material back into the colony. Choosing which to use, and never mixing the two, is most of the skill in ant work. Biology training is not a marketing line here; it is why Apex identifies the species before opening a product.
What you can do
Ant Control and Prevention for Sacramento Homes
Ant control and prevention in Sacramento is shared work. Integrated pest management means the homeowner's housekeeping, sanitation and exclusion reduce the product needed. The technician leaves recommendations after the first visit; these are the ones that come up most.
- Trim limbs off the house and the gutter line.
- Clean leaf-filled gutters, which hold moisture and can hold a colony.
- Rake leaf litter and hedge clippings away from the foundation.
- Close the gaps you can see around pipes, vents and door thresholds.
- Do not leave pet food outside, and pick up bowls indoors overnight during a heat wave.
- Keep irrigation off the stucco and let the base of the wall dry.
- Keep outdoor lights off when not in use.
Sacramento seasons
Ant Season in Sacramento: Summer Heat and Winter Rain
April to October is the main season, and heat waves are the trigger. The winter trigger is the first heavy rain, usually between November and February. Between the two, ant pressure is lower but never gone, which is why most Sacramento homes with an ant history do better on a bi-monthly program than on a series of one-time visits. The program keeps the exterior barrier replenished ahead of each weather turn instead of behind it.
How it works
Maintenance Program or One-Time Ant Treatment
A one-time ant treatment around the barrier of the home can hold for a single, contained problem, and we will say so if that is the honest answer. For a home that gets ants every heat wave and every first rain, a one-time visit is a bandage: the barrier fades, the weather turns, and the trail is back. The on-going maintenance program treats inside and out on the first visit and keeps the exterior barrier up after that, with callbacks covered for customers in good standing. The estimate is confirmed at the home, because the interview and the walk-around often turn up more than the caller described.
Why homeowners choose Apex
Biology Training Behind Every Treatment Plan
Jeff Alexander joined Apex in 1988 after work as an environmental consultant and industrial hygienist. He holds degrees in botany and zoology and a master's degree in biology, and Structural Pest Control Board operator license No. 8484. Apex Pest Control, Inc. holds company registration No. 2770, Branch 2, and Brent Brandon holds operator license No. 12138. The company has been BBB accredited since 1984 with an A+ rating and a California Pest Management Association member since 1999. One callback story from the route says what that background is for: technicians look down for ants, but the limb touching the gutter was carrying the trail into the attic. A new set of eyes found it.
Schedule Ant Control in Sacramento
Call (916) 362-9294, Monday to Friday, 8 a.m. to 5 p.m. We can usually quote over the phone from the square footage of the home and what you are seeing. Sacramento ant control is one part of our residential service, and the full pest list is on the Sacramento pest control page.

Apex technician checking the water heater closet of a home with a flashlight.

Apex technician treating along the base of a back fence under bare trees.
What we treat, and when we refer
Is your pest on the list?
Branch 2 general household pests. Find yours in one of the three columns; tap anything in the middle column for the full rule.
We treat
On the maintenance program
- Ants
- Spiders
- Wasps and yellow jackets
- CockroachesAmerican, Oriental, German
- Fleas
- Ticks
- Silverfish
- Earwigs
- Carpenter bees
- Pantry pests
- Boxelder bugs
- Beetles
- Crickets
Not sure what you have?
Describe it to the office at (916) 362-9294; the technician confirms it on the first visit.
The estimate is confirmed at the home, after the interview and the walk-around.
Real reviews, unedited
What customers noticed
“Our technician is "Eric" and he's so informational, gives such good quality of service and very professional.”
“We have been customers of Apex for over a year and have been very happy. Mikey, our serviceman, is professional and very thorough.”
“They showed up right on time and were professional and polite. They answered all my questions and listened to my concerns. We felt they were thorough with their inspection and took their time.”
Reviews are quoted exactly as written. More reviews
Licensed, accredited, verifiable
Three named Branch 2 operators, one company registration, and a record you can look up yourself.
Branch 2, Structural Pest Control Board, issued 1995, clear status.
Verify: Company registration on the official recordPresident. Botany and zoology degrees, master's in biology, former industrial hygienist.
Verify: Jeff Alexander on the official recordSecretary, and a Branch 2 operator licensed since 2011.
Verify: Brent Brandon on the official recordBranch 2 operator, and the third generation of the family on the route.
BBB accredited since 1984. CPMA member since 1999. 2026 Best of Times, Best Pest Control.
Verify: Accreditation on the official recordCalifornia defines Branch 2 as general household pest control excluding fumigation with poisonous or lethal gases. Branch 3 covers wood-destroying organisms. Technicians renew their licenses every three years with required continuing education.
When is ant season in Sacramento?
Ants are active April to October, with heat waves as the trigger for indoor trails. They come back inside after the first heavy winter rain, usually between November and February. Below 40 degrees most other pests go quiet, but ants remain the main problem, so there is no month without them.
What are the signs of an ant problem?
A trail along a counter, sink or tub during a heat wave, or ants inside within a day or two of the first heavy rain. Trails running up a wall or downspout toward the roofline and limbs touching the gutter point to an overhead route. Ants at a pet bowl, trails on a patio with no visible nest, and tiny pale ants that multiply after you spray are the other common signs.
Why do ants come back after I spray?
Because most store sprays are repellents. They kill the ants they touch and scatter the rest, and a connected colony simply opens a new trail somewhere else. The condition that brought them in, a limb on the gutter or water at the base of the wall, is still there. Treating the source is the difference.
What should I do about pets on an ant treatment day?
We select the product and placement for the species, the location and the label, and the technician gives label-specific guidance on re-entry, drying and cleaning. Treated areas stay off limits until dry. Tell the office about pets when you book so the technician can plan the visit around them.
Do I need ongoing service or a one-time treatment?
A single contained problem can hold on one visit. A home that gets ants every heat wave and after every first rain does better on a bi-monthly program, because the exterior barrier is kept up ahead of each weather turn. We tell you which fits on the phone.
Which ants are most common in Sacramento?
Argentine ants and pavement ants are the two Apex sees most out of the 15 to 20 species in the area. Odorous house, carpenter, harvester and thief ants each have their own page on this site.
Where the routes run
Service areas on Apex’s list
The communities below are the ones Apex lists for its routes. If yours is close but not named, call the office; the answer is a quick one.
Sacramento, West Sacramento, Rancho Cordova, Gold River, North Sacramento, North Highlands, Rio Linda, Del Paso, Elverta, Orangevale, Fair Oaks, Folsom, El Dorado Hills, Elk Grove, Wilton, Laguna Creek, Sheldon, South Sacramento, Greenhaven, Rancho Murieta, Roseville, Woodland, Davis, Lodi, Galt, Lincoln, Carmichael.
Related on this site
Next step
Start with a phone estimate.
Tell the office your home's square footage and what you have been seeing. The estimate is confirmed at the home, because the interview and the walk-around often turn up more than the caller described.
Monday to Friday, 8 a.m. to 5 p.m.