Post-construction cleaning removes the fine dust and residue left after a renovation or new build. It usually involves HEPA vacuuming, repeated wiping of every surface including inside cabinets and vents, and removal of labels, overspray or grout haze, often over more than one visit. In pre-1978 homes, confirm lead-safe cleanup with your contractor first.
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Renovation dust is different from everyday dust. Drywall sanding, cutting tile, and demolition produce fine particles that settle on every surface, drift into vents and closets, and come back after a quick wipe-down. Post-construction cleaning is a specialized clean, usually done in stages, to get a newly built or remodeled space truly move-in ready.
What post-construction cleaning usually includes
- Removing leftover small debris, packaging, labels and stickers (contractors typically haul away large debris and dumpsters)
- HEPA vacuuming walls, ceilings, trim, floors, outlets and vent covers
- Wiping all surfaces repeatedly, including inside cabinets, drawers and closets
- Cleaning new fixtures, appliances, windows, tracks and sills
- Removing paint overspray, grout haze or adhesive residue, where the surface allows it safely
- Final detail clean after the dust has had time to settle
Why it often takes more than one pass
Fine dust stays airborne and keeps settling for a while after work stops, and it can be pushed around by the HVAC system. Many companies do a rough clean when trades finish, then a final clean closer to move-in. Ask whether a quote covers one visit or several.
Protecting indoor air
- Ask your contractor about the HVAC system. Running it during sanding can spread dust through ducts. Changing the air filter after construction is a common step.
- Dust from cutting concrete, stone, tile and some countertop materials can contain crystalline silica, which is hazardous to breathe. HEPA vacuums and wet methods, not dry sweeping or leaf blowers, help keep it down.
- Ventilate while new paint, finishes and adhesives cure. EPA notes these can release volatile organic compounds indoors.
Lead in older homes
If your home was built before 1978, renovation that disturbs painted surfaces can create lead dust. Under EPA's Renovation, Repair and Painting rule, contractors doing that work for pay in pre-1978 homes generally must be lead-safe certified and perform a cleaning verification at the end of the job. Ask your contractor whether that applies and whether the final cleaning has been verified before a separate cleaning company comes in, especially if children or pregnant people live in the home.
Surfaces to protect
- New hardwood and luxury vinyl can be scratched by grit; cleaners should vacuum before mopping.
- Razor scrapers can scratch some glass coatings and finishes; ask how they remove labels and paint.
- Natural stone can be etched by acidic cleaners.
Coordinating with your contractor
Ask your general contractor what "broom clean" or "final clean" means in your contract. Some include a professional clean; many don't. Schedule the cleaners after the trades are finished, or you may pay twice.
Questions to ask
- Do you use HEPA-filtered vacuums?
- How many visits are included, and how many cleaners?
- Will you clean inside cabinets, vents and light fixtures?
- How do you handle paint, grout haze and adhesive residue?
- Are you insured for work in a newly finished home?
Finishing a project? Request a post-construction cleaning company and tell us when the trades will be done.
Frequently asked questions
Why is there still dust after the cleaners leave?
Fine construction dust can stay airborne and keep settling, and the HVAC system can move it around. Many companies do a rough clean and a final clean, and changing the air filter after construction helps.
Doesn't my contractor clean up?
Contractors usually remove large debris, and some contracts include a final clean. Many define it as "broom clean," which isn't move-in ready. Check your contract.
What about lead dust in an older home?
In homes built before 1978, renovation that disturbs paint can create lead dust. EPA's Renovation, Repair and Painting rule generally requires certified contractors to use lead-safe practices and verify cleaning. Ask your contractor before scheduling a separate clean.