Flea Control in NYC

Your Pet Isn’t the Only Problem—Fleas Are in Your Home

You’ve treated your dog or cat with flea medication. You’re still getting bitten. You’re still seeing fleas jump across the carpet. Your pet is still scratching.

Here’s why: Adult fleas on your pet are only 5% of the infestation. The other 95%—eggs, larvae, and pupae—are living in your carpets, furniture, bedding, and floor cracks. Treating your pet kills adult fleas, but doesn’t eliminate the developing population in your home.

Effective flea control requires treating both your pet (with veterinary products) and your environment (carpets, furniture, floors). You need to kill all life stages—adults, larvae, eggs, and pupae—or the infestation continues.

or request service online. We treat your home to eliminate all flea life stages while you treat your pet.

Understanding the Flea Life Cycle

Adult Fleas (5% of infestation):

• Live on pets (dogs, cats, sometimes wildlife)
• Feed on blood every few hours
• Females lay 40-50 eggs per day on the host
• Eggs don’t stick—they fall off into environment
• Adults live 2-3 months on average

Eggs (50% of infestation):

• White, tiny (1/32 inch), fall off pet into carpet, bedding, furniture
• Hatch in 2-12 days depending on temperature and humidity
• Found wherever pet spends time
• Not killed by most insecticides (eggs have protective shells)

Larvae (35% of infestation):

• Worm-like, blind, avoid light, feed on organic debris and adult flea feces (which contains blood)
• Live deep in carpet fibers, under furniture, in floor cracks
• Develop through 3 stages over 5-15 days (longer in cool conditions)
• Spin cocoons when ready to pupate

Pupae (10% of infestation):

• Protected inside cocoons for 5-10 days (or up to 5 months in unfavorable conditions)
• Nearly impossible to kill with insecticides (cocoon protects them)
• Emerge as adults when triggered by vibration, warmth, CO2 (indicating a host is nearby)
• This is why fleas seem to “appear” suddenly when you enter a room

Why this matters — If you only kill adult fleas, eggs keep hatching, larvae keep developing, and pupae keep emerging. You need a treatment program that addresses all life stages over time.

How Fleas Get Into NYC Homes

From pets:

• Dogs and cats pick up fleas from other animals during walks, parks, daycare, grooming, vet visits
• Fleas jump onto pets from grass, sidewalks, or other animals
• One flea can start an infestation in your home within days

From previous tenants:

• Fleas from previous pet owners remain dormant in carpets
• Pupae can survive months without feeding
• They emerge when new tenants move in (triggered by vibration and warmth)
• Very common in NYC apartments with high tenant turnover

From wildlife:

• Rats, mice, squirrels, raccoons, and stray cats carry fleas
• Wildlife in attics, crawlspaces, or walls drop fleas and eggs
• Fleas from wildlife can bite humans when preferred hosts aren’t available

From visiting pets:

• Friends’ or neighbors’ pets bring fleas during visits
• Dog walkers or pet sitters can transfer fleas between homes
• Shared spaces in buildings allow flea transfer

From used furniture:

• Second-hand furniture, rugs, or bedding may harbor flea eggs and larvae
• Very common with sidewalk furniture pickups in NYC
• Fleas can survive for months in used items

Why NYC Apartments Have Flea Problems

High pet ownership in close quarters — Lots of dogs and cats in NYC apartments. Buildings with many pets create opportunities for flea spread through shared hallways, elevators, and outdoor spaces.

Carpeted floors in older buildings — Many older NYC apartments have wall-to-wall carpeting. Carpet fibers provide perfect habitat for flea eggs, larvae, and pupae. Hardwood floors are less hospitable to fleas.

Tenant turnover brings re-infestation — New tenants move into apartments where previous tenants had pets. Dormant flea pupae emerge when activity resumes. Landlords often don’t treat between tenants.

Shared outdoor spaces — Building courtyards, dog runs, and nearby parks allow flea transfer between pets. One infested dog spreads fleas to other dogs, who bring them home.

Rodent and wildlife presence — NYC buildings often have mice, rats, or wildlife in walls and voids. These animals carry fleas that can bite humans when animal hosts are eliminated or inaccessible.

Delayed professional treatment — People try DIY methods for weeks or months while populations explode. By the time they call professionals, thousands of eggs, larvae, and pupae are established throughout the home.

Our Flea Control Process

Step 1: Inspection & Assessment

We identify the source and extent of infestation:

Check for:

• Adult fleas on carpets, furniture, pet bedding
• Flea dirt (black specks of digested blood) in pet areas
• Areas where pets spend most time
• Larval habitat (deep carpet, under furniture, floor cracks)
• Wildlife presence (attics, crawlspaces, walls)

We determine:

• Whether infestation came from pets or wildlife
• Severity of infestation
• Which rooms are affected
• Treatment approach needed

Step 2: Pre-Treatment Preparation (Critical)

You must prep before we treat. This ensures treatment effectiveness:

Required prep:

• Vacuum all carpets, rugs, and upholstered furniture thoroughly
• Vacuum under furniture and along baseboards
• Discard vacuum bag immediately in outdoor trash (contains eggs and larvae)
• Wash all pet bedding in hot water
• Wash your own bedding if pets sleep on beds
• Treat pets with veterinary flea products (we don’t treat animals)
• Remove pets and people during treatment

Why prep matters: Vacuuming stimulates pupae to emerge (so treatment kills them). It also removes eggs and debris. Washing kills eggs and larvae in bedding. Without proper prep, treatment effectiveness drops significantly.

Step 3: Treatment Application

We treat all areas where fleas live and develop:

Interior treatment:

• Carpet and rug treatment (insecticide + IGR)
• Upholstered furniture treatment
• Pet resting areas and bedding areas
• Under furniture and along baseboards
• Floor cracks and crevices
• Closets where pets go

IGR (Insect Growth Regulator):

• Prevents larvae from developing into adults
• Prevents eggs from hatching normally
• Provides 6-7 months of residual protection
• Critical component—without IGR, re-infestation occurs quickly

Adulticide:

• Kills adult fleas and larvae on contact
• Provides residual killing power for several weeks
• Applied to all carpeted and upholstered surfaces

Step 4: Follow-Up Treatment (If Needed)

Flea pupae are nearly impossible to kill with insecticides (cocoon protects them). Pupae that survive initial treatment will emerge over the following 2-3 weeks. Most infestations need a follow-up treatment:

Follow-up at 14-21 days:

• Kills newly emerged adults before they reproduce
• Retreats any areas with continued activity
• Ensures complete elimination

Why follow-up is often necessary: Pupae emerging after initial treatment become adults. One follow-up treatment catches this wave of emerging fleas before they lay eggs and restart the cycle.

Step 5: Prevention & Monitoring

Once fleas are eliminated, keep them from returning:

Pet protection:

• Keep pets on year-round flea prevention (consult your vet)
• Check pets regularly for fleas, especially after outdoor activities
• Avoid areas known for heavy flea presence

Home maintenance:

• Vacuum regularly (weekly minimum)
• Wash pet bedding weekly in hot water
• Keep floors clean and clutter-free
• Groom pets regularly to catch fleas early

Step 6: Post-Treatment Instructions — After treatment:

• Stay out for 4-6 hours until surfaces dry
• Ventilate by opening windows when you return
• Don’t vacuum for 7-10 days (let treatment work)
• Continue to see some fleas for 2-3 weeks (pupae emerging—this is normal)
• Vacuum regularly after waiting period ends

Important: Seeing fleas for 2-3 weeks post-treatment is NORMAL. These are pupae emerging. They’ll contact treated surfaces and die. Don’t panic—this doesn’t mean treatment failed.

How Long Does Flea Control Take?

Minor infestation (caught early):

• Single treatment usually sufficient
• Activity stops within 2-3 weeks
• Newly emerged pupae die as they contact treated surfaces

Moderate infestation (established population):

• Initial treatment + follow-up at 14-21 days
• Noticeable reduction within one week
• Complete elimination by week 3-4

Severe infestation (months-long problem):

• Initial treatment + two follow-ups (at 2 weeks and 4 weeks)
• Requires strict treatment schedule
• Full elimination within 6-8 weeks

Wildlife-related infestations:

• Must eliminate wildlife source first (rodent control, wildlife removal)
• Then treat indoor spaces for fleas
• May require ongoing monitoring

Timeline depends on infestation severity, proper preparation, pet treatment compliance, and whether wildlife sources are present.

Warning Signs You Have Fleas

Bites on humans:

• Small red bumps, often in clusters or lines
• Usually on ankles and lower legs (fleas jump up from floor)
• Intensely itchy, scratching makes them worse
• Bites appear quickly after entering infested areas

Pets scratching and biting:

• Excessive scratching, licking, or biting at skin
• Hair loss from constant scratching
• Red, irritated skin
• Visible fleas in pet’s fur (especially around neck, belly, tail base)

Flea dirt (flea feces):

• Tiny black specks in pet’s fur or bedding
• Looks like ground black pepper
• Test: Put specks on damp white paper—if they turn reddish-brown, it’s flea dirt (digested blood)

Visible fleas:

• Tiny (1/8 inch), dark brown, moving quickly
• Jump when disturbed (fleas are jumpers, not fliers)
• Most visible on light-colored surfaces (carpets, pet bedding)

Fleas jumping on you:

• Seeing fleas jump onto your legs or clothing
• Especially when entering rooms after they’ve been empty (pupae emerge when triggered by vibration)

Pet behavior changes:

• Restlessness from constant itching
• Avoiding certain rooms or areas
• Irritability or aggression from discomfort

If you’re seeing these signs, you have an active flea infestation requiring professional treatment.

Why DIY Flea Control Usually Fails

Store-bought products are weaker — Consumer flea treatments use lower concentrations of active ingredients. Professional products are stronger and include IGRs (insect growth regulators) that prevent reproduction.

People don’t treat thoroughly enough — You need to treat every carpeted surface, piece of furniture, and crack in the floor. Most DIY efforts miss significant areas where larvae and pupae hide.

No IGR means quick re-infestation — Without insect growth regulators, surviving eggs and larvae develop into adults and restart the cycle. IGRs provide months of protection—consumer products rarely include them.

Flea bombs don’t work well — Foggers only affect exposed surfaces. Flea larvae live deep in carpet fibers where fog doesn’t penetrate. Bombs also don’t reach under furniture or into cracks.

People give up too soon — Seeing fleas 2-3 weeks after treatment is normal (emerging pupae). People assume treatment failed and stop. Continued pupae emergence is expected—they die when they contact treated surfaces.

Not treating pets properly — Home treatment doesn’t work if pets keep bringing in new fleas. Pets need veterinary flea prevention—over-the-counter pet products are often ineffective.

Missing the preparation step — Vacuuming before treatment stimulates pupae to emerge so treatment kills them. Skipping prep significantly reduces treatment effectiveness.

Flea Prevention After Treatment

Keep pets protected year-round:

• Use veterinary-recommended flea prevention monthly
• Don’t skip winter months (fleas survive indoors year-round)
• Consult your vet for best products for your pet

Maintain cleanliness:

• Vacuum carpets and furniture weekly
• Wash pet bedding in hot water weekly
• Groom pets regularly to catch fleas early
• Don’t let pet hair and debris accumulate

Control wildlife access:

• Seal entry points to prevent rodents and wildlife
• Don’t allow stray cats or wildlife to nest near your building
• Address any rodent problems immediately (they carry fleas)

Be cautious with used items:

• Inspect second-hand furniture carefully before bringing indoors
• Avoid sidewalk furniture pickups
• Vacuum and clean any used items before use

Monitor regularly:

• Check pets weekly for fleas and flea dirt
• Use a flea comb to inspect pets after outdoor activities
• Watch for scratching or behavior changes in pets
• Address any signs of fleas immediately (early treatment is easiest)

In apartments:

• Communicate with neighbors if fleas are present
• Alert building management to coordinate treatment if needed
• Be extra vigilant when new neighbors with pets move in

Fleas and Health Concerns

Fleas aren’t just annoying—they pose real health risks:

Flea bites cause:

• Intense itching and skin irritation
• Allergic reactions in sensitive individuals
• Secondary skin infections from scratching
• Psychological stress and sleep disruption

Fleas transmit diseases:

• Flea-borne typhus (rare but present in U.S.)
• Tapeworms (pets ingest fleas, become infected)
• Cat scratch disease (bacteria transmitted by fleas)
• Bartonella infections

Pets suffer significantly:

• Flea allergy dermatitis (severe allergic reaction to flea saliva)
• Anemia in severe infestations (especially in kittens and puppies)
• Tapeworm infections from ingesting fleas
• Constant discomfort affecting quality of life

For young children:

• Children playing on floors are especially vulnerable to bites
• Scratching can lead to infections
• Exposure to allergens can trigger reactions

These risks make professional flea elimination a health priority, not just a comfort issue.

Get Professional Flea Control

Look, fleas are miserable. They bite constantly, multiply rapidly, and won’t go away on their own. DIY products rarely work because they don’t address all life stages or reach deep enough into carpets and furniture.

We use professional-grade products with IGRs that prevent reproduction and provide months of protection. We treat all life stages—adults, larvae, eggs, and emerging pupae.

Call us at +1 (347) 210-4646 — or request service online. We’ll inspect, treat your home, and eliminate fleas while you treat your pets.

New York Exterminating, Inc.

1115 E 13th St, Brooklyn, NY 11230

Licensed & Certified Since 2010

Flea-free homes require treating the environment, not just the pet.

Frequently Asked Questions About Flea Control in NYC

Where do fleas come from if I don’t have pets?

Fleas hitch rides on rodents, stray cats, and wildlife, and on your own shoes and pant legs. In NYC apartments they also move through walls and shared spaces from neighboring units, and a previous tenant’s infestation can lie dormant and hatch after you move in.

How do you get rid of fleas for good?

Fleas spend most of their life as eggs, larvae, and pupae hidden in carpets, cracks, and bedding, so spraying adults alone fails. We use products that kill adults plus an insect growth regulator (IGR) that stops eggs and larvae from developing, breaking the cycle completely.

Why do fleas keep coming back after I treat them?

Flea pupae sit in a protective cocoon that resists insecticide and can keep hatching for weeks. That bounce-back is why DIY sprays fail. Our treatment accounts for the full life cycle and usually includes a follow-up timed to catch newly hatched fleas before they breed.

Are flea treatments safe for my pets and kids?

Yes, when done correctly. We use targeted, low-toxicity products and IGRs applied to floors, baseboards, and pet resting areas. We provide a short re-entry and drying time, after which it is safe for children and pets to return.

Do I need to treat my pet too?

Yes. The home and the pet must be handled together or fleas simply re-infest. We treat the environment; your veterinarian should supply a vet-approved product for the animal itself. Treating only one side is the most common reason flea problems drag on for months.

How should I prepare my home for flea treatment?

Vacuum carpets, rugs, and upholstery thoroughly and discard the bag, wash pet bedding in hot water, and clear floors so we can reach baseboards and corners. Vacuuming actually helps by prompting protected pupae to hatch into the fresh treatment.

How long does it take to get rid of fleas?

You’ll see a sharp drop within a few days, with full control usually over two to three weeks as the IGR ends the life cycle and the last pupae hatch into the treated environment. A follow-up visit ensures none survive.

Do I need to leave my home during flea treatment?

Only briefly. You and your pets should stay off treated floors until they are dry, usually a couple of hours. We’ll tell you exactly which areas to avoid and for how long before we start.

Do you guarantee flea control?

Yes. Our flea service is guaranteed — if fleas persist after the treatment cycle and any scheduled follow-up, we return and re-treat at no extra charge. We are a licensed, ACE-certified company serving all five boroughs.