Wasp and Hornet Control Calgary: Targeted Nest Treatment from $150.

Every service visit delivers comprehensive inspection, targeted nest eradication, and prevention advice. Please note that difficult-access, subterranean, or high-elevation nests may require a separate custom quote prior to treatment.

Treatment from $150

6-Month Service Guarantee

Targeted Nest Treatment

Professional Service Report

Straightforward base pricing for standard, accessible exterior nests on residential porches, fences, and single-story overhangs.

Full warranty protection for the treated nest location. If active wasps return to that exact site within six months, we re-treat at zero charge.

Pinpoint application using commercial residual formulations directly inside the nest core and entrance voids without unnecessary broad spraying.

Detailed documentation summarizing treated zones, structural risk areas, and tailored prevention recommendations from your licensed technician.

How Do Technicians Find a Wasp Nest That Is Not Visible?

When wasps disappear into building structures without an obvious nest exterior, technicians track consistent flight paths and flight frequency. Watching returning worker wasps reveal the exact seam, weep hole, or trim void they use to enter.

Once entry points are pinpointed, our technicians use specialized localized delivery systems to treat the concealed colony inside wall cavities or soffit channels safely without tearing into your building materials.

How Are Wasp and Hornet Nests Treated?

True colony control requires treating the active nest location directly rather than spraying individual flying foragers. Individual foraging wasps represent only a tiny fraction of the hive population.

Our technicians introduce specialized professional formulations into the nest core, entry point, or structural void. Returning insects carry active residues deeper into comb chambers, rapidly neutralizing the entire colony.

Wasps and hornets favor sheltered locations across Calgary properties. Early identification helps prevent aggressive defensive activity near people and pets.

Visible nests on eaves, sheds, or deck rails

Hidden nests in walls, siding, or soffits

Ground nests and nests under concrete

Garage and outbuilding nests

German and common yellowjackets colonize abandoned rodent tunnels, garden beds, and gaps beneath concrete patio slabs. Heavy sub-surface liquid applications eradicate subterranean galleries.

Detached garages, tool sheds, and roof attic vents offer quiet warmth. Technicians inspect exposed rafters and wall frames to locate and treat concealed colonies safely.

Paper wasps build open umbrella-shaped combs beneath roof eaves, fascia boards, deck rails, and unheated sheds. Precision knockdown directly neutralizes workers and the queen.

Yellowjackets frequently exploit unsealed vinyl siding seams, brick weep holes, and vented soffit gaps. Pressurized micro-dusting penetrates the hidden wall void directly.

When Is a Wasp Nest Hard to Reach?

Underground burrows, nests behind concrete steps, high multi-story roof peaks, and deep interior voids require specialized application equipment and extended safety protocols that impact standard access and pricing.

When scheduling your service, we encourage you to send a photo or describe the nest height and location. This allows our team to confirm access requirements and provide a clear, accurate quote before dispatching.

What Should You Expect After Treatment?

Some residual wasp activity may continue temporarily for 24 to 48 hours as returning foragers return to the treated entrance. These returning wasps encounter the active residual formulation and are quickly eliminated.

Client Monitoring Steps

6-Month Guarantee Terms

Monitor the treated location from a safe distance over the initial 48-hour window. If persistent flight activity continues past two days, contact PestZero immediately for evaluation.

Your warranty covers the specific treated nest site for six full months. If wasps re-establish at that identical treated location within this period, our technicians re-treat it at no additional cost.

Why is there still wasp activity after treatment?

Foraging worker wasps out during application return over the following 24 to 48 hours. They come into contact with the residual product at the opening and are rapidly eliminated.

Should I seal the entry hole before treatment?

Never seal an active entrance before eradication. Trapped wasps can chew through interior drywall to escape, forcing defensive insects directly into your living spaces.

How do you evaluate difficult access nests?

Send us a clear phone photo showing the height and entry location when requesting service. We confirm required ladder staging or equipment and confirm your quote prior to arrival.

How do you treat hidden nests inside walls?

What determines treatment pricing?

What does the 6-month guarantee cover?

Can wasps build new nests nearby?

Technicians track flight corridors to pinpoint the active void, then apply specialized micro-dust formulations directly into the entrance channel without cutting away interior drywall.

Single visible nests on standard elevations start at $150. Multi-story heights, underground burrows, or deep wall cavities requiring specialized access are quoted upfront before work begins.

Our warranty covers the specific treated nest location. If active wasps rebuild or return to that exact treated spot within 6 months, we return and retreat free of charge.

While treated nests remain permanently uninhabitable, newly fertilized queens may scout other unsealed eaves. We offer whole-property perimeter deterrent options for seasonal protection.

Seeing Wasps or Hornets Around Your Calgary Property?

Protect your family and outdoor living areas with fast, targeted nest eradication starting from $150. All treatments are backed by our 6-month service guarantee.