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LA County & San Bernardino County

Rodent Exclusion in Los Angeles — Permanently Seal Your Home

We identify every entry point and seal it with 20-gauge hardware cloth and industrial sealant. 1-year workmanship warranty written into every job.

LA County & San Bernardino County hillside estates are at higher risk for homes in canyon, hillside, and foothill neighborhoods

1 Year

Workmanship Warranty

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CA License

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What is rodent exclusion (and why trapping alone fails)

Rodent exclusion is a structural service, not a chemical one. We map every gap, hole, vent, and penetration that allows a rat or mouse to enter your home, then seal each one with rodent-proof materials so the population cannot resupply. Trapping treats the symptom — exclusion eliminates access. The two work together; the two are not substitutes.

A house mouse can enter through a hole the diameter of a U.S. dime (about 1/4 inch). A roof rat needs a hole the diameter of a quarter (about 1/2 inch). Most LA homes have between 8 and 25 entry points of those sizes — we have measured. Trapping reduces the active population, but the colony rebuilds in weeks if the entry envelope stays open. Exclusion is the only intervention that actually ends the cycle.

Our 6-step exclusion process

  1. 1

    Full Exterior Inspection

    We walk the entire envelope of the structure — roof line, eaves, gable vents, foundation, every utility and HVAC penetration, garage door sweep, dryer and bath vents. We map active rodent travel routes by tracking grease trails, droppings, and gnaw marks.

  2. 2

    Interior Attic & Crawl-Space Survey

    We enter every accessible attic, crawl space, and wall-void access point. We document nests, runways, contaminated insulation, and structural damage with photos. The interior survey is what separates a real exclusion job from a guess.

  3. 3

    Entry-Point Mapping with Photo Documentation

    Every gap we find ≥ 1/4 inch (mouse threshold) gets a photo, a map pin, and an entry on the seal worklist you receive before any cutting or sealing happens. You see exactly what we're going to fix and approve the scope.

  4. 4

    Sealing With Industry-Grade Materials

    We seal with 20-gauge galvanized hardware cloth, stainless steel wool, copper mesh, foam backer rod with silicone sealant, polymer concrete patch, and rodent-rated door sweeps. Caulk and expanding foam alone fail within months — rodents chew through both. Our materials are warrantied.

  5. 5

    Optional Attic Decontamination

    Where droppings, urine, or contaminated insulation are present, we offer attic decontamination — HEPA vacuuming, antimicrobial application, and replacement of compromised insulation. We frame this as a public-health step (Hantavirus risk in LA County is documented), not as an upsell.

  6. 6

    30-Day Follow-Up + 1-Year Warranty

    We return at day 30 to confirm no new entry. You receive a written warranty: if a rodent re-enters through any point we sealed within 12 months, we re-seal it at no charge. The warranty is the contract — without it, exclusion claims are unverifiable.

Materials we use

Most exclusion jobs that fail use the wrong material. Here is exactly what we install — and why each material is non-negotiable for the LA climate and rodent species.

20-gauge galvanized hardware cloth

Vent covers, large foundation gaps, attic access. Rodents cannot chew through galvanized steel.

Stainless steel wool + copper mesh

Small penetrations around plumbing, electrical, HVAC lines. Permanent fill that resists corrosion in coastal/hillside microclimates.

Polymer concrete patching compound

Foundation cracks and concrete-to-stucco joints. Rated for exterior weather; outlasts standard caulk by 10+ years.

Foam backer rod + silicone sealant

Backing layer for sealing larger gaps where the structure cannot accept hardware cloth — used as a system, not alone.

Rodent-rated door sweeps

Garage doors, exterior doors. Standard rubber sweeps fail in 2–3 years; we install brushed-bristle rodent-rated sweeps that hold up.

Sheet metal flashing

Roof edges, gable vents, deck-to-house junctions. The only material that survives the LA sun and rain cycle long-term.

Trapping vs exclusion — which do you need?

GoalTrappingExclusionBoth
Removes active rodents✓—✓
Prevents future entry—✓✓
Cost (one-time)LowerMediumHigher
Long-term valueLowHighHighest
Recommended for chronic recurring rodents—✓✓
Typical PesPro recommendationAdd-onStandaloneDefault for chronic cases

If rodents return month after month no matter how many you catch, you need exclusion. The inspection answers this question directly — we will not sell you exclusion you do not need.

LA neighborhoods with the heaviest rodent pressure

Roof rats and Norway rats follow tree canopies and canyon interfaces. These are the LA-area microclimates where exclusion work pays back fastest because the rodent supply is constant from outside.

Hollywood Hills
Topanga & Topanga Canyon
Laurel Canyon
Griffith Park-adjacent neighborhoods
Pasadena foothills
La Cañada Flintridge
Malibu canyon properties
Palos Verdes Estates
Calabasas hillsides
Beverly Hills (mature trees)
Brentwood + Bel-Air canyons
San Gabriel Valley foothills

1-year workmanship warranty — written

If a rodent re-enters through any point we sealed within 12 months, we return and re-seal at no charge. Warranty is documented in writing on every estimate, and it is transferable if you sell the property within the year.

Our Promise to You

Our Commitment to Quality

We stand behind our work with professional service standards. Your peace of mind is our priority.

  • Professional control programs designed for your specific needs
  • Ongoing protection through subscription-based services
  • All treatments backed by our QualityPro certification
  • Transparent pricing with no hidden fees—ever

Read the full 30-day guarantee

Professional Control Programs

Tailored to your property's needs

"We treat every home like family, delivering professional pest control programs tailored to your needs."

— The PesPro Team

Rodent exclusion — common questions

How long does a complete rodent exclusion take?

A typical single-family home in Los Angeles takes 6–10 hours of on-site work spread across 1–2 days. Larger estates with detached structures, multiple attics, or extensive crawl spaces can take 2–3 days. The inspection produces a written timeline and a free quote before any work begins.

Will exclusion work without trapping the rodents already inside first?

Sealing without removing active rodents traps them inside, where they will die in walls and produce odor and fly hatch. Our standard protocol begins with 7–14 days of interior trapping to reduce the active population, then exclusion-seals the structure, then verifies at day 30. We do not skip the trapping step.

What materials do you use to seal entry points?

20-gauge galvanized hardware cloth, stainless steel wool, polymer concrete, foam backer rod with silicone sealant, sheet metal flashing, and rodent-rated door sweeps. We do not use caulk or expanding foam as primary sealant — both fail within months because rodents chew through them.

Do you offer a warranty on exclusion work?

Yes. We write a 1-year workmanship warranty into the estimate. If a rodent re-enters through any point we sealed within 12 months, we return and re-seal at no charge. Warranty is documented in your service report and is portable to the next homeowner if you sell the property.

Does homeowner insurance cover rodent exclusion?

Insurance typically does not cover preventive exclusion. Some policies cover rodent damage remediation (chewed wires, contaminated insulation) under specific peril coverage — check your policy's exclusions for 'vermin' or 'pests'. We can provide an itemized invoice and inspection report to support a claim if your damage qualifies.

Need ongoing trapping + monitoring instead?

For active interior rodent populations or quarterly maintenance programs, see our subscription rodent control service. We recommend pairing exclusion with at least one trapping cycle for the most reliable result.

View Rodent Control Program

Rodent Control by City

Detailed rodent control programs adapted to each neighborhood's housing stock and pest pressure patterns.

Rat and rodent guides

Explore our other pest control services

One QualityPro-certified team for every pest problem across LA & San Bernardino County. Explore the full range of professional treatments.

Rodent Exclusion across Los Angeles and San Bernardino counties

Rodent exclusion is the structural counterpart to rodent control. Where the control program reduces active populations through trapping and monitoring, exclusion eliminates the access points so the colony cannot resupply. PesPro is one of the few QualityPro-certified pest control companies in California that runs a dedicated exclusion service rather than treating it as an "optional add-on" — sealing is the protocol most likely to actually solve a recurring rodent problem.

Our service area covers all of Los Angeles County — including Beverly Hills, Santa Monica, Pasadena, Glendale, Long Beach, Burbank, Torrance, Inglewood, Compton, El Monte, Pomona, West Covina, and East Los Angeles — plus San Bernardino County. Same-day service is available for an extra fee whenever a technician route allows, with priority routing for emergency calls.

What our rodents treatment actually involves

Every job starts with an inspection, and the quote is free. A QualityPro-certified technician identifies the species, locates harborage zones and entry points, and quantifies the level of activity before recommending a protocol. You get a written, fixed-price estimate — not a vague hourly rate — and a clear timeline before any treatment begins.

Materials we use are EPA-registered and approved by California's Department of Pesticide Regulation. The default protocol is pet-safe and child-safe once dry. After treatment you receive a service report documenting what was found, what was applied, and the structured follow-up window. Rodents rarely respond to a single visit — proper resolution typically requires a verified follow-up.

Pricing transparency and scheduling

Pricing is quoted after an inspection; quotes are free. The price depends on property size, infestation severity, and whether structural work like exclusion is required. Recurring quarterly programs cost less per visit than one-off calls and are the most cost-effective approach for properties with consistent pest pressure. We will tell you honestly when a treatment is unnecessary or premature — we do not sell services you do not need.

Call (323) 472-5329 to schedule. Same-day service is available for an extra fee. Emergency calls — for visible infestations, health-inspection deadlines, or active stings — are routed before standard appointments.

Pricing transparency is non-negotiable for us. The estimate you receive after the inspection is the price you pay — no surprise charges, no hourly creep, no upsells dressed up as "found something extra." If the technician identifies a separate issue during the visit (e.g., they came for rodents but spotted active termite damage), they will mention it and let you decide whether to add it to a future visit. They will not pad the current invoice with discoveries.

What rodents actually look for in your home

Effective rodent exclusion starts with understanding what the pests are after. Rodents are not random invaders — they enter and stay because the structure offers them what they need: water, food, harborage, and access. Removing one of those four resources is often more effective than treating the symptom. That's why our protocol always begins with an inspection and a real conversation about what we found, not just a spray cycle.

Most chronic infestations across LA share the same handful of underlying causes: a leaking exterior tap or AC condensate line that creates a reliable water source, exterior penetrations that haven't been re-sealed in a decade, garage door sweeps worn through, mulch beds piled directly against foundations, or pet food stored in non-sealed containers. We document what we find and tell you which of these conditions is feeding the problem. Sometimes a small fix to a structural condition will do more than months of repeat treatments.

Common questions

How fast can you start a rodents treatment?

For non-emergency cases we typically schedule within 24–48 hours. For active infestations with visible activity, same-day service is available for an extra fee across Los Angeles and San Bernardino counties whenever a route allows. Call (323) 472-5329 — the dispatcher will give you a real-time arrival window, not a four-hour block.

Are your products safe for pets and children?

Yes. We use EPA-registered, California-approved products. Default protocols are pet-safe and child-safe once dry, typically 30–60 minutes after application. Lower-toxicity IPM (integrated pest management) options are available on request for households with pregnancy, immune-compromised individuals, or chemical sensitivities.

Do you offer a guarantee?

Yes. Treatments come with a return-visit guarantee tied to the pest and protocol — typically 30 days for general pest control and longer for rodent exclusion; bed bug follow-up visits are billed separately. The exact terms are written into the estimate before any work begins, so there are no surprises.

Are your technicians licensed?

Every PesPro technician is individually licensed by the California Structural Pest Control Board and trained against QualityPro standards. We are a QualityPro-certified company — the National Pest Management Association's most rigorous certification, held by only the top 3% of pest control companies in the United States.

Do you serve commercial properties?

Yes. Our commercial book includes restaurants, food-service kitchens, hotels, multi-unit residential, offices, and Class-A property management portfolios. We provide health-inspection-ready logs, IPM-aligned protocols, after-hours scheduling, and a single point of contact. We can supply a certificate of insurance and our QualityPro certification on request.

What if the pests come back?

If pest activity returns within the guarantee window, we return at no additional cost. For chronic problems we usually recommend transitioning to a quarterly program, which costs less per visit and prevents reinfestation by treating the source rather than reacting to symptoms.

Servicio en español

Rodent Exclusion con técnicos bilingües en todo el condado de Los Ángeles y San Bernardino. Cotización gratis y por escrito, sin sorpresas, productos seguros para niños y mascotas, y servicio de emergencia las 24 horas.

PesPro es empresa familiar, certificada QualityPro — top 3% de Estados Unidos. Llame a (323) 472-5329 y le explicamos en español exactamente qué tiene, qué cuesta resolverlo y cuándo podemos llegar. Sin presión de venta.

What exclusion is, and what it is not

Rodent exclusion is structural work: finding and permanently sealing the gaps, vents, utility penetrations and foundation cracks rats and mice use to get inside. It is sold as an add-on to the Rodent Control program or on its own for buildings that need whole-structure protection. It is not trapping or baiting; those remove the animals already inside, exclusion stops the next ones.

The two work best together. Trapping and monitoring clear the population while the openings are being sealed; once the last entry point is closed, the monitoring confirms that activity has stopped rather than simply moved.

Where rodents get into Los Angeles buildings

A rat needs an opening about half an inch wide; a mouse fits through a quarter inch. Older San Gabriel Valley houses and hillside properties supply plenty: unscreened attic and foundation vents, gaps around gas, water and cable penetrations, worn garage door seals, roofline joints where trim has pulled away, and remodel seams between the original house and an addition.

Roof rats arrive from above, along tree limbs, fences and utility lines, so the inspection covers eaves, vents and the roof edge as carefully as the foundation. Norway rats and mice work at ground level, around the slab, the crawl space and the garage.

Materials and method

Openings are sealed with materials rodents cannot chew through: galvanized hardware cloth and metal mesh on vents, sheet metal flashing at roofline gaps, and mortar or concrete for foundation cracks. Door sweeps and seals close the ground-level gaps. Foam alone is never used as a barrier, because rats go straight through it.

Each sealed point is photographed before and after so the owner or property manager has a record of what was done and where. For buildings with many openings the work may run in phases, starting with the entry points that carry active traffic.

  • Vents screened with hardware cloth, not window mesh
  • Utility penetrations packed with metal mesh and sealed
  • Roofline and eave gaps closed with sheet metal flashing
  • Foundation cracks filled with mortar or concrete
  • Garage and exterior doors fitted with rodent-proof sweeps

Inspection, sealing and verification, in sequence

The inspection maps every opening, inside and outside, and the written quote lists them: how many, what type, what material each needs and the price for sealing them. Nothing is sealed until the quote is approved, so there are no surprises.

Sealing follows, usually alongside trapping so animals inside do not die in the walls. Monitoring continues after the work until the stations stay quiet, which is the verification that the structure is closed. If new activity appears, the technician looks for a missed or reopened point.

What it costs and how the guarantee applies

Exclusion is quoted separately from rodent control, by the number and type of openings found, and the quote is free. Every PesPro service carries the 30-day guarantee, and rodents are in the strongest tier: if activity reappears within 30 days of a service, PesPro returns for a third visit at no extra cost. Call (323) 472-5329 to schedule the inspection.

Rodent exclusion questions

Do I need exclusion if trapping already caught the rats?

If the openings are still there, new rats follow the scent trails of the old ones, usually within weeks. Trapping manages the population; exclusion ends the cycle. The inspection tells you how many openings exist and whether sealing them is worthwhile for your building.

Can exclusion be done on an occupied apartment building?

Yes. Most of the work is exterior: vents, roofline, foundation and utility penetrations. Interior points such as gaps under kitchen cabinets are scheduled unit by unit with the property manager, and each sealed point is documented for the building's file.

Why not just use foam or steel wool?

Rats chew through foam and push steel wool aside once it rusts. Hardware cloth, sheet metal and mortar are the materials that hold, which is why they are what the quote specifies.

How long does the sealing take?

A single-family house with a handful of openings is usually a one-day job. Larger homes, hillside properties and multi-unit buildings may be phased, starting with the active entry points. The quote gives the schedule.

Will rodents be trapped inside after you seal the building?

That is why sealing runs alongside trapping and monitoring: animals inside are removed, and the stations confirm the structure is quiet before the job is considered finished.

Don't Let the Problem Get Worse

Don't Wait for the Infestation to Grow

Every day you wait, pests multiply and damage increases. Talk to an expert and get an estimate today—no obligation, no pressure.

Same-Day Service

Available for an extra fee

Expert Consultation

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Bilingual Team

English & Spanish available

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