Start here
Read down until a line matches the situation.
- IfThe source is visible and removable, such as soaked carpet, spoiled food or trashThenHandle in-house; remove it and clean the area.
- IfThe smell is limited to one unit and cleaning has not been tried yetThenTry in-house cleaning and airing first, then recheck.
- IfThe smell has returned after in-house workThenLook for a hidden layer or air-system source, and consider outside help for diagnosis.
- IfThe source is inside walls, chases or shared ductsThenInvolve a vendor or a qualified trade; access may need special methods.
- IfSeveral units or a corridor are affectedThenTreat as a building issue and bring in the appropriate specialist.
- IfThere is a safety concern such as gas, heavy mold growth or biohazard materialThenStop and involve qualified professionals and the proper authorities.
Typical strengths of each route
In-house maintenance
- Quick to start and familiar with the building.
- Good for removal, cleaning and drain work.
- Easy to repeat on a schedule.
- Limited by tools and time during busy turns.
Outside vendor
- Brings specialized equipment and methods.
- Useful for hidden sources and air-system work.
- Can add capacity during busy periods.
- Needs a clear scope, notice to residents and follow-up.
Common situations
| Situation | Usual route | Reason |
|---|---|---|
| Spoiled refrigerator left in unit | In-house | Source is removable and cleanup is straightforward |
| Smoke film across all walls | In-house prep, possible vendor treatment | Washing and priming are routine; deep odor may need more |
| Smell moving through stacked units | Vendor or trade | Source is likely inside a chase |
| Odor in an interior corridor | Building-level review | Airflow and ventilation involved |
Common questions
Does using a vendor mean in-house work failed?
No. Some sources are simply beyond ordinary tools, such as odors held inside walls or ducts. Calling for help after a reasonable in-house attempt is a normal part of the process, and the file should show what was tried first.
Can in-house staff and a vendor work on the same unit?
Often yes, with clear division of tasks. Staff may handle removal and cleaning while the vendor addresses treatment or diagnosis. Writing the split into the scope prevents gaps and avoids two parties assuming the other did something.
How soon should the decision be made?
Early in a turn. Waiting until paint and flooring are finished makes rework more costly, so a quick rating and a decision at the move-out walk usually saves time later.
General information for Centennial, not a quote or professional advice. In an emergency, call 911.