Exclusion is the part that actually ends a rodent problem — sealing the building so nothing can get back in. If you are tired of paying someone to catch the same animals over and over in Newport Beach, this is the work you are missing.
Newport Beach specifically
Newport Beach is three different environments in one city. The Upper Newport Bay ecological reserve is genuine protected wildlife habitat sitting directly against residential streets. The Peninsula and Balboa Island are dense, older, largely built before modern codes, with crawl spaces and shared walls. And the bluff and canyon neighborhoods on the inland side back onto open terrain. Salt air corrodes vents and flashing faster here than inland, which quietly opens entry points nobody is watching for.
Coastal exclusion has to be specified for the environment or it fails early. Standard galvanized hardware cloth will not last the same number of years here that it does ten miles inland, and on a high-value property a seal that fails in two winters is worse than no seal, because you stopped looking. On the older Peninsula and Island homes, original framing has settled in ways that create gaps modern construction does not have.
What exclusion actually means
Trapping removes the animals currently inside. Exclusion closes the building so the next ones cannot follow. Do the first without the second and you have bought a pause, not a solution — which is exactly the business model behind the never-ending monthly service plan.
A full exclusion means finding and permanently sealing every viable entry point on the structure. Not the obvious one. All of them.
Where buildings actually fail
- Roof-to-wall junctions and the gaps where two roof planes meet
- Eave, gable and foundation vents with corroded, torn or missing screens
- Plumbing, electrical and A/C line penetrations — rarely sealed properly at build
- Garage door corners and the seal where the frame meets the slab, the single most overlooked entry into a home
- Chimney flues and roof jacks without proper caps
- Crawl space access doors and the gaps where grade meets foundation
- Weep holes in block and stucco, and the gap behind fascia board
Materials matter more than people think
Expanding foam and standard window screen are not exclusion materials. Rodents chew through both, and a seal that fails in a season is worse than none, because you stopped looking. We use materials rodents cannot get through, fastened so they stay put — and near the coast we account for salt-air corrosion, because galvanized hardware that lasts fifteen years inland does not last fifteen years by the water.
How we handle rodent control calls in Newport Beach
Photos are from our own crews on real jobs across Orange County and Los Angeles — never stock. We run these same steps on every Newport Beach call.
How we approach it
We inspect the entire envelope, including the parts that require getting into a crawl space or onto a roof. You get told what we found and what it will take, with a clear number, before any work starts. Where animals are still inside, exclusion is sequenced with removal so nothing gets sealed in.
Exclusion workmanship guarantee: if an animal re-enters through an opening we sealed, we come back and re-seal it at no charge. Ask for the current term and the full conditions before any work begins — we put them in writing with your estimate.
Why we do not use anticoagulant rodenticides
We solve rodent problems by sealing entry points and trapping. Tri County Trappers does not use anticoagulant rodenticides on any job.
California has progressively restricted them — AB 1788 in 2020, AB 1322 adding diphacinone, and AB 2552 moving chlorophacinone and warfarin to restricted status as of January 2025 — because a poisoned rodent does not die immediately. It becomes slow, easy prey, and carries the poison up the food chain into the owls, hawks and bobcats that eat it, and into pets that find it.
There is also a practical reason. Poison treats the symptom. It does nothing about the opening the rodent came through, which is why properties on a bait schedule stay on a bait schedule. Sealing the building fixes the cause.
What sealing a Newport Beach house actually takes
Lot geometry decides much of this. On Balboa Island and the Peninsula, houses fill narrow lots out to the setback and go up two or three stories, so the side wall you need to seal is reachable only from a two-foot side yard or a ladder set in the alley. Roof decks, exterior stairs and parapet flashing add junctions a tract house does not have, and salt spray works on the fasteners at those junctions before it touches anything else.
Uphill it changes again. Newport Coast and Crystal Cove homes have concrete tile with broken or missing bird stop at the eave, and exterior work there needs architectural approval, which we plan for rather than discover. In the Bluffs and parts of Eastbluff the attic framing runs across shared walls between units, so sealing one unit while the rest of the building stays open is a partial result at best. We say that before you pay for it.
Questions we actually get asked
Our condo is in the Bluffs and the attic seems to run over the neighboring unit. Can you seal just ours?
We can seal the exterior openings on your section, and that is worth doing. But where framing runs continuously between units, rodents move inside the building from one to the next, so work on a single unit is partial by nature. The stronger route is getting the association to treat the building as one structure. We put what we found in writing so you can take it to the board instead of paying twice.
What is different about sealing a house on Balboa Island compared with an inland home?
Access, materials and the alley. Lots are narrow and built out to the setback, so side walls get reached from a two-foot gap or a ladder in the alley. Salt air corrodes fasteners and screens faster than it does inland, so hardware has to be specified for that or it fails early. And the openings that matter are usually high, at eaves and roof junctions, because the traffic arrives over fences and roofs rather than across the ground.
Our Newport Coast association controls the exterior. Will this work be visible from the street?
It should not be. On a concrete tile roof most of the work sits at the eave line, under the first course and behind the bird stop, out of sight from the ground. We match colors where anything does show, and we work within the architectural rules rather than around them. If a fix would be visible, you see it and approve it before we do it, and we supply whatever the committee asks for in writing.
The rest of what we do in Newport Beach
Most jobs here turn out to involve more than one of these. If you are not sure which one you have, call and describe what you are hearing — we will tell you straight, including when it is smaller than you think.
- Raccoon Removal in Newport Beach — attic entry, litters in spring, and the damage they leave
- Skunk Removal in Newport Beach — denning under decks, sheds and raised foundations
- Rat & Mouse Control in Newport Beach — roof rats, Norway rats and mice, and why bait alone does not end it
- Attic Cleanup & Insulation in Newport Beach — clearing and decontaminating what they left behind
- All wildlife & pest services in Newport Beach
Licensed for the work we advertise, and clear about the rest
Wildlife control, structural pest control and construction are three separate licenses in California. Plenty of companies blur that line. We would rather tell you exactly where ours sits.
- Wildlife trapping and exclusion — this is us. Tri County Trappers operates under California Department of Fish and Wildlife Trapping License TP-10188, and every technician on our crew carries their own CDFW trapping license. Not a company license with unlicensed helpers under it. Each one, individually licensed by the State.
- Attic cleanout and decontamination — this is us. Removal, bagging, vacuuming and cleaning of contaminated material. We do not apply pesticides, rodenticides or bait on any job.
- Insulation, wood repair and structural work — not us. Tri County Trappers does not hold a Contractors State License Board license. That work is performed by a licensed contractor. We inspect it, document it and hand over the photographs so nobody starts cold.
- Structural pest control (Branch 2) — not us. If your situation needs it, we say so and point you to a licensed structural pest control operator rather than stretching our own license over it.
General liability, professional liability, workers’ compensation and commercial auto, all current, with limits well above what the State requires of a licensed trapper. Certificates on request, before you let anyone on your roof.
OUR METHOD
No rodenticides. No baits, powders, or treated devices.
We work with live traps and exclusion only — on every job, every time. That eliminates the secondary-poisoning pathway that kills owls, hawks, and the pets that eat poisoned rodents. California Department of Fish and Wildlife Trapping License TP-10188.
What rodent control costs in Newport Beach
Rodent work is priced in two parts, because it is genuinely two jobs.
- Sealing the building, $500 to $800 for a standard sized home. Priced by how many repairs it takes to make the property inaccessible, not by how many holes are visible from the driveway.
- Cleaning up what they left, $1,500 to $6,000. Contaminated insulation out, the space sanitised, and new insulation in where it is needed. Square footage is the biggest driver.
Plenty of homes need the first without the second. We will tell you which one yours is, and we will tell you if it only needs sealing. See what all of our work costs, including trapping and gopher removal.
The inspection is free with no conditions, and there is no trip fee if you decide not to go ahead. We can usually be out the same day.
Book a free inspection Call (949) 304-5445
Talk to the owner
Tri County Trappers is owner-operated. You work directly with the owner and our licensed specialists — rodent exclusion in Newport Beach is never handed off to an unlicensed subcontractor. Every technician on our crew carries their own CDFW trapping license, the owner reviews every inspection and every completed job, and runs jobs himself. Someone answers every call, seven days a week — call anytime. Free inspection, no obligation, and a clear number before anything starts.
Call (949) 304-5445 Email [email protected]
California Department of Fish and Wildlife Trapping License TP-10188, valid through 6/30/2027, and every technician on our crew carries their own. General liability, professional liability, workers’ compensation and commercial auto coverage — certificates on request. Member, National Wildlife Control Operators Association. 4.9 average rating on Google. We check every trap we set at least once every 24 hours. Where 14 CCR § 465.5(g)(2) applies it requires traps to be visited at least once daily — we hold to a rolling 24-hour interval, which is stricter than the rule. Payment plans available on larger jobs.
Book a free inspection
Pick an arrival window and it goes straight onto our schedule. You get a written report of what we found either way — and if you don’t have a problem worth paying to fix, we’ll tell you that.
No payment is taken to book an inspection. California Department of Fish and Wildlife Trapping License TP-10188.