OdorXpert

For anyone who doesn’t know where the smell is coming from

The House Smells… But We Can’t Find the Source.

You smell it. Your family smells it. Guests notice it before they sit down. But you’ve checked everywhere and can’t pinpoint it. You’re not imagining it — pet urine and structural odor often live where you can’t see them: inside the subfloor, behind drywall, under carpet pad, in concrete, or hidden under furniture or new flooring.

Using UV black light, moisture meters, and over 25 years of structural pet-odor pattern recognition, we find sources that surface inspections miss. If something smells off, the source exists — and it can be found.

Room opened to the studs with the concrete slab and lower framing sealed in gray Odor Encapsulator
Photo from an OdorXpert job
  • Founded 1989
  • Pet Odor Specialists Since 2000

Call when you’re ready — we’ll listen first.

Free Phone Quote · Discreet · No Commitment

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

What this looks like in a real home

The House Smells: the problem, the cause, the fix

  1. Pin moisture meter at the base of a door casing during an odor inspection (meter screen blurred)01
    What you’ve triedIt looks clean. It still smells.Candles and plug-ins cover it for a day. The meter shows moisture hiding under the carpet.
  2. Cat spray drips glowing down a wall under UV light02
    What we findThe light shows where it isUV inspection finds the spots, trails and splash zones nobody could see.
  3. Carpet rolled back to show urine stain rings soaked through the backing03
    Where it livesUnder the pad, in the woodThe source is usually below the surface, in the pad and subfloor.

Illustrative images.

You’ve probably already tried

  • Sniffing every corner on hands and knees

  • Pulling up rugs and moving furniture

  • Crawling the attic or crawl space with a flashlight

  • Checking HVAC vents

  • Cleaning the carpets

  • Calling your regular cleaner (“didn’t smell anything”)

  • Asking neighbors

  • Closing off rooms

  • Searching “house smells like urine but I can’t find it” online

The smell is real and the source is real — it’s just not where you’re looking; it’s inside the building materials. The first question we ask on every inspection is what you’ve already tried.

Why surface searching misses the source

Pet urine and structural odor often have no visible marker — no stain, no wet spot, just smell. UV reveals dried urine invisible under normal light; moisture meters detect saturation with no surface signature; pattern recognition distinguishes spills from territorial marking.

  • Inside the subfloor

    Under intact carpet.

  • Behind baseboards

  • In concrete pores

  • Inside drywall

    Behind paint, with no visible stain.

  • Inside wall cavities

    Where cat spray ran down.

  • Under flooring you can’t see

    Tile grout, LVP seams.

This is what a Pet Odor Inspection is designed to do

Map every contaminated surface, then treat and seal at the source with the Odor Encapsulator — designed to help contain and reduce embedded urine vapors. Qualifying work is backed by a 5-year written guarantee.

The 5-Year Written Guarantee

Qualifying surfaces treated with our proprietary Odor Encapsulator are backed by a written 5-year guarantee, subject to the documented treatment scope and written terms. The Odor Encapsulator is designed to help contain and reduce embedded urine vapors in the materials it is applied to.

It addresses pet-urine odor in the specific structural materials we treat. It does not make the property impervious to future pet accidents or odor from other sources, and it does not apply to inspections, estimates, oxidizer-only treatments, or allergen services.

Read the full guarantee terms

Start With a Free Phone Quote

Tell us what you're smelling and where. A free phone quote takes under 10 minutes — and we'll point you to the right service, even if it's not ours.