ProShield Pest SolutionsProShield Pest SolutionsExpect $250 to $450 for one accessible wasp nest in Longmont, and more for ground nests or wall-void colonies. ProShield does the ladder work, the protective gear, and the follow-up check — including sun-baked south walls in Clover Basin and Old Town soffits where nests rebuild each summer.
| Nest type and location | Typical cost range |
|---|---|
| Single paper wasp nest, reachable from the ground (deck rail, porch light, door frame) | $250 (minimum charge) |
| Paper wasp or yellowjacket nest under first-story eaves or soffit edge | $250 – $350 |
| Second-story eave, gable vent, or dormer nest requiring extension ladder | $300 – $450 |
| Yellowjacket ground nest in lawn, rock wall, or landscape bed | $300 – $450 |
| Yellowjacket or hornet colony inside a wall void, attic, or chimney chase | $400 – $650 |
| Multiple active nests on one property (3+) | $400 – $700 |
| Bald-faced hornet aerial nest in a tree or shrub | $300 – $500 |
| Follow-up visit for rebuilt or missed satellite nest | Often included; otherwise $100 – $200 |
Typical wasp nest removal cost ranges in Longmont, CO
The $250 minimum covers a licensed technician on site, protective equipment, treatment of the active nest, physical removal of the nest structure where it can be reached, and an inspection of the surrounding roofline for additional nests. Most Longmont homes with one visible paper wasp nest land at or near that minimum. Anything that adds ladder height, digging, or opening a soffit adds labor, which is where the $300 to $650 range comes from. <strong>Pricing quoted by phone is a ballpark; the exact figure is confirmed on a free on-site visit</strong> once the technician sees nest height, species, and access.
Paper wasps build the open, umbrella-shaped comb you see under eaves, deck rails, and patio furniture, and their colonies usually hold a few dozen workers. Yellowjackets nest out of sight — in lawn voids, rock walls, irrigation boxes, and under sheds — and a late-summer colony can hold thousands of workers with a defended entry hole. Ground nests take longer, require more product placed directly into the entrance, and often need a return check to confirm the colony is dead. <strong>That extra labor and risk is why ground-nest jobs typically start around $300 and run to $450.</strong>
When wasps disappear into a gap in siding, a gable vent, or a soffit seam, the nest is inside the structure and spraying the outside does almost nothing. The colony is treated at the entry point so returning foragers carry material inward, and the opening is only sealed after activity stops — sealing a live colony can push wasps through drywall into the living space. Wall-void jobs in Longmont generally run $400 to $650 because they involve inspection, treatment, a return visit, and exclusion work. <strong>Finding and sealing the entry is what stops next summer's nest in the same spot.</strong>
Colonies start in spring with one overwintered queen and grow all season, peaking in late August and September when workers switch from hunting insects to scavenging sugar — the point where they crash barbecues along Left Hand Creek and hover over trash cans in Old Town alleys. <strong>Removal is cheaper and safer in June and July, when nests are small and worker counts are low.</strong> A hard freeze kills the workers, but the paper nest left behind should still come down, since exposed comb and old nesting sites attract the next season's queens to the same protected eave.
Products used for wasp work are placed at the nest and entry point, not broadcast across a yard, which keeps contact with lawns and garden beds minimal. A typical instruction is to keep pets and children off the immediate treatment area — usually the patio, lawn strip, or bed directly under the nest — until the product dries, commonly a few hours. Vegetable beds are shielded or avoided during application. <strong>The product name, label, and re-entry interval are stated out loud before anything is applied</strong>, so homeowners with dogs or backyard raised beds know exactly what was used and where.
A hardware-store aerosol kills the wasps it wets and nothing else. It does not reach a queen deep in a wall void, it does not treat the satellite nests common on the same roofline, and it puts a homeowner on a ladder under an agitated colony — the exact scenario behind most late-summer sting incidents. Professional removal adds protective gear, treatment placed where the colony actually lives, physical nest removal, and a roofline inspection. Homeowners weighing repeat DIY attempts against one visit can compare against full-season <a href="/pest-control-longmont">pest control in Longmont</a> covering wasps along with ants, spiders, and mice.
Threads in r/pestcontrol repeatedly describe a nest sprayed at dusk that looked dead, followed by workers returning within days — a pattern consistent with a wall-void colony where surface product never reached the comb. Another common paraphrased complaint: nests rebuilt in the identical eave corner every single summer. That happens because overwintered queens select the same sheltered, sun-warmed cavities year after year, which is why <strong>the entry-point seal matters more than the spray</strong>. Both problems are addressed by treating at the entrance, then closing the gap after activity ends.