Trusted Pest Control in Tempe, AZ
Tempe Town Lake is one of the defining features of the city, and it creates a pest dynamic that most Phoenix-area cities do not have. The riparian corridor along the Salt River brings wildlife, including coyotes and deer, into an otherwise fully urban environment, and with them come ticks and the kind of moisture-dependent pests that the surrounding desert normally lacks. Properties within a few blocks of the lake see pest pressure that does not match the desert suburb experience everywhere else in Tempe.
Pest control in Tempe follows the Phoenix metro pattern for most of the city: bark scorpions, termites, and roof rats are the recurring concerns. But the Tempe Town Lake corridor and the ASU campus add two layers that other Valley cities do not have. The lakefront and the Salt River riparian area sustain wildlife that carry ticks into the urban core. The high density of commercial kitchens and apartment complexes near Arizona State University creates persistent German cockroach pressure. Both require a different approach than standard suburban desert pest control.
Common pests around Tempe
Bark scorpions are present throughout Tempe and active throughout the warm months. The older neighborhoods near Mill Avenue and the Tempe Butte area see scorpion activity consistent with the rest of the Phoenix metro. The university population and its rental housing turnover means scorpion awareness and prevention is a recurring issue.
Tempe has both American cockroaches from the storm drain system and German cockroaches in food service establishments and apartment complexes. The university-adjacent commercial corridor and the high density of food establishments around Arizona State University sustain German cockroach populations that require ongoing management.
Western subterranean termites are active throughout Tempe. The Salt River floodplain soils and the older housing stock near downtown Tempe carry established termite populations. Annual inspections are standard in Maricopa County.
Roof rats are common throughout Tempe, particularly in neighborhoods with mature citrus, fig, and palm trees. The university neighborhoods and the older bungalow-style homes near Tempe Town Lake see consistent roof rat activity. They travel along power lines and through tree canopies.
Ticks are a secondary concern near the Tempe Town Lake riparian corridor and Papago Park, where wildlife populations, including coyotes, javelinas, and deer, carry ticks through the otherwise urban landscape. Brown dog ticks are the species most commonly encountered in Maricopa County.
Cockroach control near the ASU campus
The food service density around Arizona State University sustains German cockroach populations in commercial kitchens, food trucks, and apartment buildings that require active ongoing management. German cockroaches spread between units in multi-family buildings through shared walls and utility chases, making single-unit treatment ineffective without addressing adjacent spaces. The American cockroach component comes from the city's drainage system and is managed differently: it is primarily an exclusion problem, sealing plumbing penetrations and drain gaps.
Roof rats and older Tempe neighborhoods
The neighborhoods surrounding the university and along the lake include older bungalow-style homes with mature trees that roof rats use as a travel network. Roof rats are the primary rat species in the Phoenix metro and will enter homes through gaps at the roofline level. The combination of a dense tree canopy, older construction with more entry points, and proximity to the citrus and fig trees common in older Tempe yards sustains a higher roof rat population in central Tempe than in the newer outer-ring suburbs.
Keeping pests out in Tempe
- Seal weep holes and utility gaps to block scorpion entry; use door sweeps on all exterior doors.
- Keep food stored in sealed containers in apartments and homes near the ASU campus to reduce cockroach foraging incentive.
- Check pets for ticks after walks near Tempe Town Lake, Papago Park, or any Salt River riparian area.
- Trim fruit trees away from the roofline and seal gaps at the fascia and soffit junction to reduce roof rat entry.
What Tempe homeowners ask
Are ticks a concern near Tempe Town Lake?
Yes, in the riparian corridors along the Salt River and in Papago Park. Wildlife including coyotes and deer move through those corridors and carry ticks into what is otherwise a dense urban area. Brown dog ticks are the most common species in Maricopa County. If you walk dogs near the lake or the river corridor, check them after each visit. Residential properties within a few blocks of the riparian zone can benefit from a yard tick treatment in spring and fall.
Why are cockroaches such a persistent problem near ASU?
The high density of food service establishments, apartment complexes, and student housing around Arizona State University creates ideal German cockroach conditions: abundant food, moisture, warmth, and shared building spaces that allow cockroaches to spread between units without going outside. Commercial properties in the university district typically need monthly treatment programs. Residential properties in the same area see spillover pressure from adjacent commercial establishments.
Are bark scorpions common in central Tempe neighborhoods?
Yes, though Tempe's more established central neighborhoods see lower scorpion activity than the newer desert-edge developments in Gilbert or Queen Creek. The Tempe Butte area and older neighborhoods near downtown can have active scorpion populations. Bark scorpions are climbers and can show up on walls and ceilings inside homes. Sealing weep holes and maintaining a perimeter treatment are the practical prevention steps.
What termite species are in Tempe?
Western subterranean termites are the primary species. They are active throughout Maricopa County's soils and swarm during the summer monsoon season. Tempe's older housing stock near the university and the Salt River floodplain soils carry established termite populations. Annual inspection is the standard recommendation and is often the minimum coverage required by mortgage lenders.
How do I manage roof rats in my Tempe home?
Roof rats in Tempe typically enter through the roofline. Start by trimming any trees or shrubs to at least 3 feet from the building. Then inspect the roofline for gaps around vents, at the soffit-fascia junction, and where pipes or wires enter the wall at roof level. Seal any gaps you find. Trapping removes current residents, but without sealing the entry points, new rats will move in from the surrounding population. Removing fallen fruit and securing outdoor food sources also reduces the attractiveness of the property.
Reviewed by Marcus Reed, Lead Pest Control Technician, State-Licensed Applicator, PestRemovalUSA · Updated June 5, 2026