Guide for GCs · NEAT Cleaning

How Much Does Post-Construction Cleaning Cost?

Why per-square-foot prices mislead on commercial post-construction cleaning, the ten things that actually set the labor hours, and how to compare two bids line by line.

The problem this solves

A GC gets cleaning bids that look alike per square foot but cover very different work, and finds out at the owner walk or in change orders.

Short answer: Commercial post-construction cleaning is often quoted per square foot, but labor hours set the real cost. Hours depend on phases and trips, room mix, glass, high dust, site rules, and schedule. Two buildings of the same size can need very different crew hours, so price the job from the drawings, not a flat rate.

What do the online price ranges say, and what do they leave out?

Most cost guides you'll find list rough cleaning at about $0.10 to $0.30 per square foot and final cleaning at about $0.30 to $0.75 per square foot (ZTERS). ServiceMaster Clean puts commercial post-construction cleaning overall at $0.15 to $0.75.

Those numbers work for a rough budget. The trouble is that many of the guides are written for houses and small tenant spaces, and they seldom say what the rate covers. Is exterior glass included? Dust on structure 25 feet up? Floor finish? How many trips? Two bids at the same rate per square foot can cover very different work, and that gap shows up later as change orders or a failed owner walk.

What actually drives the cost of a commercial post-construction clean?

1. Number of phases

A rough clean during construction, a final clean at substantial completion, and a touch-up before the owner walk are three separate pieces of work. A bid that covers only the final will look cheaper than one that covers all three. See how many construction cleans you need and our rough cleaning and final construction cleaning services.

2. Mobilizations

Every trip to the site has fixed costs: travel, setup, equipment, and a crew lead's time, even when the work itself is small. A phased project with four turnovers costs more than one handover of the same building. The number of mobilizations should be written in the bid.

3. Room mix, not just square feet

Restrooms, break rooms, labs, and exam rooms take far longer per square foot than open corridors or warehouse floor. A clinic full of small rooms needs more hours than open office space of the same size. That's why we take finals off the drawings room by room.

4. Glass

Interior versus exterior, storefront versus curtain wall, frames and tracks, label and film removal, and how the crew reaches the glass all change the hours. Exterior glass is often its own line because it depends on access, weather, and when site work finishes. See exterior glass cleaning scope and construction window cleaning.

5. High dust and lift work

Exposed structure, ductwork, and light fixtures above ladder height need lifts, trained operators, and slower production. Lift rental is a direct cost on top of labor. See high dusting.

6. Floors

Sealed concrete, resilient flooring that needs finish after the trades leave, carpet extraction, and tape or adhesive removal each add hours. Floors that get damaged again after the clean add a return trip.

7. Schedule compression

If the clean has to fit in fewer days, the crew gets bigger and may need nights or weekends. Hours often go up too, because crews end up working around trades who haven't finished.

8. Site rules

Hospitals, food plants, and active industrial sites have infection control, hygiene, PPE, badging, and escort rules that slow production. See construction cleaning in operating facilities.

9. Labor rules and travel

Public work may require prevailing wage and certified payroll, which changes the labor rate. Out-of-town jobs add travel. NEAT keeps travel down by hiring local field labor and sending only a NEAT site lead.

10. Debris handling

If the GC's dumpster is close to the building, debris is a small line. If the crew has to bag and haul it, it's a real cost.

How does NEAT price a post-construction clean?

  • Rough cleans are priced hourly. How dirty a building is during construction changes from week to week, so a fixed rate per square foot either overcharges you or leaves the sub short.
  • Final cleans are taken off the drawings room by room, using our own production rates for each room type, not generic averages.
  • Glass, high dust, floor care, and mobilizations are separate lines, so you can see what each one costs and level bids.
  • Assumptions are written down: number of trips, what's included and excluded, and a T&M or unit rate for anything outside scope.

On the Winsor data center return-to-site clean in Bettendorf, about 33,000 square feet, the GC's scope grew as raised-floor areas were added. We priced each added area as a separate alternate and credited back the base work it overlapped, so the GC saw exactly what each area cost. That's the kind of detail a single rate per square foot hides.

How do you compare two cleaning bids on cost?

LineWhat to ask
PhasesRough, final, touch-up: which ones are included?
MobilizationsHow many trips are priced, and what does an extra one cost?
Interior glassBoth sides? Frames, tracks, and labels?
Exterior glassIncluded or separate? Which access method?
High dustTo what height? Who provides the lift?
FloorsClean only, or finish, extraction, and adhesive removal?
Punch returnsHow many touch-ups are included?
Out of scopeIs there a T&M or unit rate?
Crew and daysCrew size and days on site: does the math hold up?

For a step-by-step method, see how to level construction cleaning bids.

How can you keep the final clean from costing more than it should?

Questions GCs ask

Is per-square-foot pricing wrong?

It works for an early budget number. For a bid, it hides scope. Ask for hours, crew size, and line items so you can see what's included.

Why is a smaller building often more expensive per square foot?

Travel, setup, and supervision are roughly fixed for each trip, so they get spread over fewer square feet.

Can I get a budget number before the drawings are final?

Yes. We can price from a schematic set with the assumptions written out, then update it when construction documents come out.

Do you work outside the Quad Cities?

Yes. NEAT works across Iowa, Illinois, and Wisconsin from Davenport. See our Quad Cities service area and post-construction cleaning services.

Next step

Want a number built from your drawings? Request a bid and send the plans, or estimate labor hours and crew size first with our free cleaning calculator. Prequalifying subs for an upcoming project? Get NEAT prequalified.

Adam Hendershott, NEAT Cleaning

Ready to bid your next project?

Send plans and specs for a line-item bid, or get NEAT Cleaning on your approved-vendor list before the next one comes out.