Yes, Garden Soon serves Mount Washington for exterior pest barrier spray — $85–$125 per visit for most Allegheny County homes. Dense hillside residential neighborhood with spectacular city views. A properly applied perimeter treatment in Mount Washington intercepts the seasonal entry cycle before ants and spiders establish trails inside.
When we come out, we spray a liquid pyrethroid — typically bifenthrin or cypermethrin — along the exterior foundation: three feet up the wall and three feet out onto the adjacent soil or mulch. We also treat around every door frame, every window frame at ground level, utility penetrations where pipes and wires enter the building, eaves where spiders like to set up, and garage door frames. The product bonds to the surfaces it contacts and stays active for roughly 90 days on surfaces that aren't getting direct sun and rain exposure. Insects walking across the treated zone pick it up and it works from there. The whole application takes 30 to 45 minutes depending on the property. We ask that pets and kids stay off the treated surfaces until they're dry — usually 30 to 60 minutes. One honest note: this is an exterior perimeter treatment. It does not address mice, bed bugs, active wasp nests inside wall voids, or subterranean termites. Those require different approaches entirely, and we'll tell you that plainly rather than upsell you something that won't work.
For Mount Washington specifically: elevated position above the city creates a slightly cooler and windier microclimate than the valley below. First frost mid-October; last frost mid-April. Clear views mean more wind exposure. The famous overlook experiences notable temperature differentials from summer convection rising from the city below.
Each visit covers the full exterior foundation perimeter — three feet up the wall and three feet out on adjacent soil or mulch — plus all door frames, window frames at ground level, utility penetrations, eaves, and garage door frames. Interior treatment is not included in the standard service and would be a separate add-on for severe indoor activity. Rodent control, bed bug treatment, active wasp nest removal from wall voids, and subterranean termite treatment are not part of this service and require different approaches.
Before we come out, customers usually describe the same few things: ants appearing along the kitchen counter in spring, spiders in the corners of windows, or earwigs showing up in the bathroom after heavy rain. We ask about pets so we can plan dry-time communication, and whether there's anything specific they've noticed — entry points, concentrated activity in one area. On treatment day, we walk the perimeter, apply the product to all the key zones, and typically wrap up within 45 minutes. Pets and kids should stay off exterior surfaces until they're dry — 30 to 60 minutes in normal conditions. In the two to four weeks after the first treatment, some customers notice they're seeing more insects than before, or finding dead ones along the foundation. That's expected and it's a sign the product is working — insects are contacting the treated surface as they move through it. Activity typically drops noticeably after that initial period. We ask customers to give it a full two to three weeks before drawing conclusions, and to let us know if they're still seeing heavy indoor activity after that window, because there may be an entry point we should revisit.
A single visit runs $85 to $125 depending on property size. The quarterly program — four visits per year — runs $300 to $450 annually. One-time treatments without a quarterly commitment are available at $110 to $140 per visit.
Yes — Garden Soon provides exterior pest barrier spray in Mount Washington and throughout our service area. Call (724) 201-9484 or use the contact form to schedule.
Once the product dries — typically 30 to 60 minutes after application — it's safe for pets and children to return to the treated areas. We use synthetic pyrethroid products standard in professional pest control. We confirm dry time after each visit and note anything specific worth flagging about your property in Mount Washington.
Barrier spray does not address mice or other rodents, bed bugs, active wasp or hornet nests inside wall voids, or subterranean termites — those require different treatments and in some cases different contractors. We'd rather be clear about what perimeter spray handles and what it doesn't than have you spend money on the wrong service.
No — we work on the exterior only, so there's no need for you to be home during the visit. We do ask that any pets are kept away from the foundation perimeter until surfaces dry, so it helps if someone is available to manage that, or if you let us know beforehand so we can coordinate timing.
We won't apply if rain is expected within four to six hours of the visit, because the product needs time to bond to the treated surface before getting wet. If rain moves in after that window, the product will have already set and the application will still be effective. We reschedule around rain events rather than applying in conditions that would wash the product off before it can do anything.
A lot of our pest barrier spray customers have vegetable gardens, and the first thing they ask is whether the spray is safe near their food plants. It's a fair question and we take it seriously. Most of what we use for perimeter barriers is formulated to dry on hard surfaces and stay well away from edible crops — but where exactly the beds are, how close the treatment zone runs, and what's planted matters. Those conversations about garden layout and proximity often turn into broader discussions about what's working in the garden and what isn't.
Most customers who schedule pest barrier spray in Mount Washington also use at least one of these services:
Garden Soon
Licensed & insured in PA · Rated 4.8★ on Google
Providing Pest Control in Mount Washington, PA and surrounding areas.