30Jan2026

Multifamily Pest Control in California: What Landlords, HOAs, Asset Managers, & Property Managers Need to Know

Effective pest control of apartments, condominiums, and multifamily properties is crucial for protecting long-term asset value, maintaining structural integrity, ensuring resident satisfaction, and meeting legal compliance requirements.

The Legal & Financial Risks of California’s Pest Problems on Multifamily Properties

California’s climate and dense multifamily housing make properties uniquely vulnerable to infestations that can rapidly spread. Untreated pests can be considered a violation of a tenant’s legal right to a habitable residence.

California law allows tenants to deduct pest control expenses from the following month’s rent if the landlord fails to resolve the problem within the given timeframe (provided the tenant supplies proof of payment of the pest control service).

Pests such as rodents, termites, cockroaches, and flies in a single unit can quickly spread to neighboring units through walls, plumbing, and shared spaces. We’ve seen cluttered or poorly kept units become hotspots for cockroaches, which then spread to units above and below.

Even a minor infestation in a single apartment unit can result in:

An influx of resident requests and building-wide complaints
Odors, contamination, sanitation issues, and health risks
Costly repairs and building-wide treatments
Legal liabilities
Reduced rental income or market value
Multiple tenants demanding compensation

Key Pest Management Strategies Every Multifamily Property Needs

Natural Science Exterminating specializes in fast, effective, and environmentally-conscious pest control. We truly understand the needs and concerns of homeowners, business owners, and property owners across residential, hospitality, retail, food service, and entertainment sectors.

Whether you need a preventative inspection or a last-minute treatment, we’re exterminators you can count on. Our services include:

Clear scheduling, notices, and service documentation to ensure minimal disruption to residents
Detailed service reports documenting pests treated, products used, and long-term prevention recommendations
Comprehensive control for termites, rodents, cockroaches, ants, spiders, fleas, drain flies, water beetles, earwigs, weevils, crickets, bees, silverfish, wasps, ticks, and mosquitoes
Attic cleanup for rodent infestations
Wood repair for termite or dry rot damage
Precise compliance records, including documentation of the pests treated and products used, for your files to be available at a moment’s notice in the event of tenant disputes
BoraCare application during the construction or remodeling phase for long-term protection against termites, carpenter ants, wood boring beetles, and decay fungi

For multifamily housing, we recommend 3 types of services: monthly general pest control, monthly rodent control, and annual termite inspections.

General Pest Control

We work directly with landlords, property managers, and HOAs to design pest control plans tailored to your building layout, pest levels, and tenant needs. We advise a predictable schedule of monthly pest control to reduce emergency billable treatments and to keep properties rentable and worry-free.

Multifamily property managers choose our Pest Protection Plans for:

Guaranteed service
Proactive treatment so pest issues are resolved before residents are affected
Control of year-round pest activity and ongoing maintenance of common areas
Reliable support when tenant complaints arise
Clear, up-to-date documentation in the event of tenant disputes or habitability claims
Stable rental income and tenant satisfaction

Rodent Control

Rodents are among the most prevalent pests in California, affecting properties of all kinds—from multifamily housing to car dealerships to restaurants.

The shared dumpsters and trash enclosures of multi-unit buildings are feasting grounds and breeding grounds for rodents, posing serious risks such as:

Infectious diseases such as hantavirus, salmonella, and leptospirosis
Triggering of allergies as well as asthma
Severe and costly damage of structural and electrical elements
Food contamination with droppings and urine

Outdoor Rodent Control Plan

Rodent problems can usually be resolved within one to four visits, with followups, to ensure the infestation is fully eliminated. However, properties in some areas like Santa Ana, Yorba Linda, and Anaheim Hills may need weekly or twice-per-month rodent control.

We recommend a monthly outdoor rodent control plan for multifamily housing. This preventative service:

Includes bait installation and ongoing bait station maintenance
Helps reduce rodent populations around the property before they get inside
Provides early detection—offering a long-term solution—not just a temporary fix

Rodent Exclusion

Many do not know how small of a hole a rodent can enter through. A mouse can fit through a hole as small as ¼ inch (about the size of a pencil eraser). A rat can fit through a hole as small as ½ inch (about the size of a quarter). This is why rodent control is not complete without exclusion work, the sealing of entry points.

When rodent control is paired with rodent exclusion, managers see dramatic reductions in tenant complaints and repeat infestations. Exclusion work includes:

Thorough inspection and assessment of the property by an expert inspector
Sealing of gaps and holes (e.g. utility lines, vents, doors, and siding)
Tightening or installing of door sweeps
Repair of screens, vents, and roofline openings

Termite Inspections

Termites remain one of the most active, costly, and damaging pests in California. We recommend annual inspections, which can save owners tens, or even hundreds, of thousands of dollars.

Untreated termite infestations can lead to:

Weakening of beams, framing, floors, walls, doors, and furniture
Infestations of adjoining units or even a building-wide infestation
Expensive wood repairs or replacement
Tenant complaints and withheld rent payments
Lower market valuations
Escrow delays during sale or refinance

Catching termites early is vital for multifamily properties, as we may be able to spot treat individual units and avoid tent fumigation. Tent fumigation is often required for deep and widespread infestations.

For multi-unit buildings, mitigating the need for tent fumigation is crucial, as it requires all humans to vacate along with their pets, plants, food, medicine, and other consumables. This disruption can cause tenant dissatisfaction and even lost rental income.

Pest-Proof Your Property: Protect Your Rent Roll and Property Value

Pests cause a wide range of problems in multi-unit properties, from financial loss and legal risks to reputational damage and resident dissatisfaction. Consistent service from a pest control company with decades of experience can help:

Maintain higher occupancy
Reduce tenant turnover
Prevent multi-unit infestations
Avoid habitability disputes
Protect structural integrity
Preserve long-term asset value

Natural Science Exterminating serves Orange County and Los Angeles County, including Anaheim, Irvine, Garden Grove, Costa Mesa, San Juan Capistrano, Huntington Beach, Long Beach, and surrounding areas.

Call Now For Fast, Reliable Service: 1-714-451-2890

E-mail: info@naturalscienceexterminating.com

31Jan2022

Maintenance, Pest Control

Pest Control Maintenance Plans Save Busy Homeowners Time And Money

California is the most biodiverse state in the United States. The beautiful and sunny state is the reason why so many tourists visit and residents live there. But they are not all—pests love it here too.

California can be wet, dry, cold, or humid throughout the year. Insects tend to lay their eggs in the fall to incubate and hatch in the spring. The cold of the winter is what the insects try to escape by invading the indoors. The spring is when pest invasions are most intense, which is why homeowners should prepare their home with pest control in the winter prior. Many homeowners make the mistake of not preventing their homes from pests and resorting to last minute do-it-yourself treatments that are not effective at pest removal.

Ants, Spiders, Fleas, Wasps, And Bees

Seasonal changes affect the behaviors of insects, but pests can survive and reproduce all year—indoor or outdoor. Cockroaches seek food and water; they are the most active in the spring and fall, when there is the most moisture and decay. Wasps and bees are the most active in the summer, when colonies begin to ramp up construction of the nest. Spiders, fleas, ants, and other insects target homes in the fall and winter in an attempt to escape the cold. Ants hatch the highest number of eggs in the spring, which is why the winter is the best time to implement pest control before they hatch.

Ant Treatment

Ant colonies hide in places that most humans simply cannot see or get to. Which is why DIY ant treatments such as that insecticide spray from the home improvement store seems to work at first, but usually doesn't remove the entire colony. The problem is that ant colonies often build their nests out of sight or out of reach. Natural Science Exterminating professionals will carefully inspect your home to determine the source to remove the entire ant population and prevent them from coming back.

There are over a dozen ant breeds in California. A few, like the fire ant, are more than a nuisance—they are a health hazard. Their painful bites and stings can be life-threatening. One of the best anti extermination methods is to provide the ants with a poisonous food source; the ants will either eat the substance as they find it, or they will bring the poison food back to their colony. This treatment is highly effective but requires that pets be kept away and pet food be stored away while the bait is in effect. Alternatively, natural ant extermination involves a granular bait that is released into the grass or soil whenever it rains or gets wet outside, targeting the ants and their nests.

Pest Control Contracts Help Busy Homeowner Save Time And Money

Given the biodiversity of California, pest control should be conducted year round. At Natural Science Exterminating, our annual contracts provide you and your home with comprehensive inspection, treatment, and prevention. Instead of anticipating what pests Mother Nature will bring into your home throughout the year and waiting to discover an infestation, early detection and treatment saves time and money in the long-run. It’s a proactive and stress-free treatment approach.

Natural Science Exterminating is a family-owned business in Orange County with decades of pest control experience. We offer both natural and traditional treatments to ants, spiders, wasps, bees, fleas, and other pests.

Call Us Today: 1-714-451-2890

E-mail: info@naturalscienceexterminating.com

7Jul2021

Maintenance, Pest Control

Natural Pest Control Maintenance

What is the cost of termite damage?

Termite infestations are a significant threat to homes. Apart from the inconvenience caused by such infestations, the costs of damages are significant. In the United States alone, termite damage costs homeowners over five billion dollars in repairs every year.

Further, the average homeowner will pay at least a few thousand dollars to cover the costs of fixing any cosmetic or structural damage caused by these termites.

If you are thinking of purchasing a home, having the property inspected for termites before signing the dotted line can save you much trouble later on. Are you taking out a mortgage? There is a good chance that your lender will require you to have a termite inspection before the sale is finalized.

How to prevent termites and save money

It is hard to feel comfortable in your home if you find yourself quite worried about termite infestation, especially if your neighbors or other homeowners in your area have had instances of such infestation. Calling experts to come and inspect your home for termites will give you peace of mind in knowing that home is safe from such pests. However, if the inspector does discover your home to be infested, the news of a termite infestation can be quite a big shock. As such, many homeowners would benefit from annual inspections and continual inspections throughout the year. Natural Science Exterminating offers free termite estimates over the phone and one-time pest control treatments including natural ant extermination typically cost $225.00 but if you call now we are offering a 10% discount for termite and pest control.

Regular inspections and preventative measures can save you from the high expenses of repairing damage in the future.

Chemical extermination versus natural termite treatment

Bora-Care is a borate-based product for the prevention and control of termites. It is applied directly to the wood. Orange oil is an organic termite treatment that kills termites by breaking down their exoskeleton and destroying their eggs. However, the latter is only efficient against dry wood termites as such pests live and colonize the wood they’re infesting. They are not as effective against subterranean termites as those that live in the soil and come up to feed on wood. Many homeowners prefer natural and organic extermination, which is why Natural Science Exterminating prioritizes eco-friendly options whenever possible. However, organic termite removal treatments aren’t always as effective as their chemical counterparts. Natural termite care and treatment might require using multiple treatments as the entire colony is not eliminated during a single treatment.

Spot treatment versus tent fumigation

Spot treatment is a process of drilling tiny holes into the wood and inserting a dry termiticide. This treatment is intended to target local points of infestations. We also have the carpentry expertise to repair wood damage on small and large infestations. On the other hand, tent fumigation involves covering the entire space with a tent and using gas to kill and destroy termites and their colonies. We only use tent fumigation as the last resort.

One-time extermination versus continuous pest prevention

Termite problems in the country are widespread. If left untreated, a termite infestation can cause damages amounting to thousands of dollars, and new termites can reinvade the home, as new colonies are constantly forming. These nightmares can be easily prevented with low-cost, flat-rate treatments through an on-going pest control maintenance plan.

You can proactively stop this by calling us. Ask about our flat rate pest control maintenance program and free termite inspections. Our experts can locate early signs of termites and treat them sooner rather than later.