Odor Removal Service in Orange County, CA

Bought a Home in Orange County and Now It Smells Like Cat Urine Coming Through the Subfloor?

Most Orange County buyers find us within days of moving in — they walked the home twice, signed the papers, and now the smell is unbearable. Surface cleaning won't fix what's trapped underneath.

If you've already tried cleaning and the smell keeps coming back, the problem is not on the surface.

Cleaning may remove visible urine, but when the smell remains, the odor is coming from urine embedded below the surface. If you haven't identified where the odor is coming from, you're guessing — and guessing is what leads to repeated cleaning, failed repairs, and wasted money.

In many Orange County homes, the urine is embedded in the subfloor, drywall, or concrete below the surface. It will continue to come back until the source is properly identified and treated.

We're not a cleaning service — we identify and treat urine odor embedded in the subfloor, drywall, concrete, and framing below the surface. Our structural odor seal is designed to help contain and reduce embedded urine vapors. Backed by a 5-year written guarantee on qualifying work.

Serving Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove, Orange, Fullerton, Costa Mesa, Mission Viejo, Westminster, Newport Beach, Lake Forest, and all Orange County for 30+ years.

Get a Free Quote Call (877) 386-3677 Schedule a Pet Odor Inspection

Most projects start with a quick phone call to determine if an inspection is needed.

If you can smell it, we can find it. If we can find it, we can treat and seal it at the source.

Founded 1989 • Pet Odor Specialists Since 2000 • Structural Remediation Since 2012

Odor Types We Service

Odor Removal Across Orange County

Structural odor remediation across Orange County — we treat and seal odor at the source, backed by a 5-year written guarantee on qualifying work and 30+ years of field experience.

Pet urine odor (cat & dog)
Our specialty: urine that has soaked past the carpet into padding, subfloor, drywall and slab. We find it, remove what has to go, and seal the rest at the source.
Pet odor removal by city in Orange County
Animal & biological odor
Feces, shelter and hoarding conditions, and rodent or wildlife contamination.
Cockroach & pest-infestation odor
Odor left in walls, subfloor and cabinetry after an infestation.
Human urine & transient odor
Human urine odor from incontinence, neglect, or vacant and transiently occupied residential and commercial properties, plus similar transient-source odors.
Other persistent odors
Assessed per inspection. We take qualified jobs after a free phone consult.

If This Sounds Familiar

If You're Dealing With Any of These — You're in the Right Place

Every one of these points to the same thing: urine embedded in the subfloor, drywall, concrete, or framing below the surface. We address each one.

Bought a home in Orange County and now it smells like cat urine
Tenant moved out and left pet urine odor behind
Removed old flooring and the smell is still there
Our pets ruined our carpet and we're replacing it — we want the subfloor odor gone before new carpet is installed
You've already tried cleaning and the smell keeps coming back
Planning new flooring installation and need subfloor evaluated first

Common Odor Problems by Area in Orange County

30+ years of work across Orange County means we've seen the contamination patterns specific to each part of the county. Here's what we typically find by area.

Anaheim / Fullerton / Buena Park — Smell Through Fresh Paint After Closing

"Closed on a house in Anaheim last week. Seller painted everything before we closed but my wife is allergic to cats and the smell is still coming through the walls. We can't move in like this — what do we do?"

Here's what we found: the odor was coming through the paint from cat spray absorbed into the drywall.

Real North OC Job

Anaheim single-family home — cat spray on walls 18 inches to 5 feet high — Home had been recently painted with strong perfume masking the underlying odor. Windows and doors were open during inspection. Inspection revealed cat spray detected on walls 18 inches to 5 feet high under UV blacklight, heaviest in two bedrooms, with additional spray on doors, closet doors, baseboards, and in the living room, dining room, and laundry. LVP flooring in the living areas was in good condition; bathrooms, kitchen, and laundry were tiled. This type of contamination typically involves cross-contamination from prior cleaning attempts that spread urine compounds across surrounding drywall. The inspection provides the documented map and itemized estimate needed to determine next steps.

Cities served: Anaheim, Fullerton, Buena Park, Brea, La Habra, Placentia, Yorba Linda

Santa Ana / Garden Grove / Orange — Carpet Pulled Mid-Renovation, Subfloor Reeks

"Our flooring guy pulled up the carpet in our Orange townhome yesterday and the smell hit us like a wall. He won't install LVP over it. We need this fixed before he comes back Monday — what do you charge to seal a subfloor?"

Once the carpet came up, cat urine had penetrated the OSB subfloor below. New flooring laid over it traps the source, so the subfloor gets sealed before the new floor goes in.

Real Central OC Job

Orange tract townhome — unit under renovation, structural treatment before new flooring installation — Multi-level townhome under renovation. Owner wanted structural odor evaluation completed before new flooring went down to avoid trapping odor underneath. Inspection covered subfloor and concrete throughout the dwelling (excluding garage). Affected areas included living room, kitchen/laundry, three bedrooms, plus stairs and landing. Common in renovation timing scenarios — evaluating exposed substrates before reinstallation determines whether structural treatment is needed. The subfloor or slab is treated and sealed so the area is ready for new flooring installation.

Cities served: Santa Ana, Orange, Tustin, Garden Grove, Westminster

Mission Viejo / Lake Forest / Aliso Viejo — Dog Urine on Garage Concrete from Years of Kennel Use

"We kept our two dogs in the garage for the last six years. Now we're listing the house and our agent says the garage smells like a kennel. We've pressure-washed it three times. Doesn't matter. The smell is in the concrete itself. Listing photos next Wednesday."

The odor wasn't on the surface — dog urine had saturated the concrete slab. Pressure washing pushes the contamination further in, not out. The slab itself gets sealed before pre-listing presentation work.

Real Job

A South OC homeowner preps a Mission Viejo home for listing and the garage smell won't lift after pressure washing. Years of dog kennel use has saturated the concrete inches deep. Our treatment recommendations are based on what we find during the inspection. We identify the problem, explain the best way to treat and seal the odor, provide the cost, and back qualifying work with our written guarantee.

Cities served: Mission Viejo, Lake Forest, Aliso Viejo, Rancho Santa Margarita, Laguna Hills, Laguna Niguel, San Juan Capistrano

Huntington Beach / Newport Beach / Laguna Beach — Buyer in Escrow with Allergy, Smell Detected

"We're about to close escrow on a house that smells like cats and I'm allergic. The flooring installer pulled up a corner of the carpet and the odor was very strong. Our agent says we need this resolved or buyers walk. Need help."

Here's what we found: cat urine had absorbed into the carpet pad, wicked into the subfloor, and bled into lower drywall sections — all reactivated by the marine humidity. The inspection report tells the buyer what we found, what it will cost to fix, and gives them the information they need to decide how to proceed.

Real Job

A Newport Beach escrow officer calls about buyers detecting pet odor on the second walkthrough of a $4M listing. Marine humidity reactivates the embedded contamination daily. Written inspection report requested as part of buyer due-diligence before closing.

Cities served: Newport Beach, Huntington Beach, Laguna Beach, Dana Point, Corona del Mar, Crystal Cove, San Clemente

Costa Mesa / Westminster — Tenant Moved Out, Next One Signs Friday

"Tenants moved out of our Costa Mesa duplex last week with two cats and a dog. The unit reeks. Our cleaner spent eight hours and said it's not coming out. Next tenant signs Friday and they're already asking about the smell. We need someone fast."

The cleaner couldn't reach what was already past the surface — cat urine and dog urine had saturated the carpet pad, wicked into the subfloor, and trapped in lower drywall. Multi-substrate remediation gets the unit re-rentable before the move-in date.

Real Costa Mesa Job

Costa Mesa multi-family unit — noticeable urine odor with windows providing partial ventilation — Single unit in a multi-family dwelling with noticeable urine odor on entry. Several windows were open during inspection, which reduces measurable odor intensity but doesn't change underlying contamination. Common in OC multi-family settings — by the time the smell is noticeable with cross-ventilation, the contamination has already saturated structural materials. The inspection shows exactly where the contamination has spread and what needs to be treated.

Cities served: Costa Mesa, Westminster, Fountain Valley, Cypress, Stanton, Los Alamitos, Seal Beach

Every property is different. An inspection is required to determine the exact scope and cost.

Odor Problems We Handle in Orange County

Each service below addresses a specific contamination type. Pick the one that matches your situation to see process, scope, and pricing.

Where the Smell Is Coming From

What Caused the Odor

Where to Start / Special Situations

What Happens If You Don't Fix It

Odor inside materials doesn't go away — it becomes more noticeable as the home heats up, closes up, or sits over time.

The smell intensifies
Urine remains embedded in subfloor, drywall, concrete, or framing and reactivates when temperature or humidity changes — which is why the smell often gets stronger when the home warms up, when windows have been closed, or after rain raises indoor humidity.
New flooring over contamination doesn't last
New flooring may temporarily suppress the odor, but if the subfloor or concrete is contaminated, the smell will come back. We remove contaminated flooring and dispose of it, then treat the subfloor or slab so it's clean and ready for new flooring — ready for your contractor or flooring installer.
Remediation cost increases
The longer urine sits in subfloor, drywall, and framing, the deeper it penetrates. Today's $3,500 job is next year's $7,500 job.
Property value drops
Pet urine odor can reduce resale value by 5–15% — often more than the cost of proper remediation.

Remediate now, or remediate later at higher cost.

Every Project Starts With an Inspection

If you don't identify the source, you'll never get rid of the odor.

Our Pet Odor Inspection Service finds the source, maps the contamination, and documents the damage. You get an itemized estimate and a written summary report — a professional document for negotiations, disputes, or remediation planning.

Free phone quote. The inspection is the diagnostic step — not a sales call.

Schedule a Pet Odor Inspection

Frequently Asked Questions — Orange County

Do you actually come out to Orange County?

Yes. Orange County is within our regular service area. We cover Anaheim, Santa Ana, Irvine, Huntington Beach, Newport Beach, and all surrounding communities.

How much does pet odor removal cost in Orange County?

Cost depends on contamination scope, surfaces affected, and square footage. Every project starts with our inspection, which produces an itemized estimate. Free phone quote available.

Do you work with Orange County real estate agents?

Yes. We regularly work with Orange County real estate agents on pre-listing remediation, post-purchase discoveries, and disclosure disputes. Work is coordinated with the property owner or their contractor as needed.

How long does the project take?

Most full-home projects are completed in several working days. The exact timeline depends on the size of the home and severity of contamination — your inspection report includes a project-specific timeline. The job isn't complete until the odor is gone and you approve it during the final walkthrough.

How long after treatment will the odor be gone?

In most cases, once sealing is complete, the odor is gone within 24 hours. Extreme cases may require a double coating but that's rare.

Is the 5-year guarantee in writing?

Yes. We provide a 5-year written guarantee on qualifying work. Documented on every project.

Cities We Serve in Orange County

Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove, Orange, Fullerton, Costa Mesa, Mission Viejo, Westminster, Newport Beach, Lake Forest, Buena Park, Tustin, Yorba Linda, San Clemente, Laguna Niguel, La Habra, Fountain Valley, Placentia, Aliso Viejo, Cypress, Brea, Stanton, Rancho Santa Margarita, Laguna Hills, Dana Point, Laguna Beach, San Juan Capistrano, La Palma, Los Alamitos, Seal Beach. All unincorporated communities in Orange County.

You don't have to figure this out yourself. We handle this every day. Most people call just to understand what's actually causing the smell. You're not committing to a project — just getting clarity.

Get a Free Quote 877-386-3677 — Call to Find Out What's Actually Causing the Smell

Ready to Stop the Odor at the Source?

If cleaning isn't getting the job done, you don't have a cleaning problem — you have urine odor embedded in the subfloor, drywall, or concrete below the surface. Free phone quote. The inspection is scoped before any work begins.

877-386-3677 — Call Now — Free Phone Quote (10 Minutes)Schedule a Pet Odor Inspection