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National Cleaning Group
Assessment

Commercial Cleaning Services in Portland, ME

Southern Maine concentrates its offices, hospitals, and retail in and around Portland, and cleaning here has to work with small historic buildings as often as with modern office parks.

Get a Free Facility Assessment(202) 968-1190

The metro covers Cumberland, York, and Sagadahoc counties and 577,635 people, a population that has grown steadily as remote workers and retirees moved in. Health care is the largest employing sector, with medical offices clustered near Maine Medical Center and in Scarborough and Brunswick. Manufacturing ranks in the top three, from shipbuilding in Bath to food and specialty plants, and finance and insurance adds a solid office base downtown and in South Portland. Maine labor costs more than many buyers expect: janitors earn a median of $20.17 an hour, higher than in much larger metros. Long winters with snow, sand, and salt make entry care and spring floor recovery part of the base plan. Tourism also swells restaurant, hotel, and retail traffic in summer. Request a free facility assessment ahead of your busy season.

Get a Free Facility Assessment(202) 968-1190

We serve facilities across the Portland-South Portland, ME area. Call (202) 968-1190 to book a free walkthrough and get a written quote.

Services we scope in Portland

  • Janitorial Services

    Nightly or daily cleaning for commercial buildings: restrooms, trash, surfaces, and break rooms.

  • Office Cleaning

    Recurring office programs scheduled around the tenant's hours and access rules.

  • Day Porter Services

    A daytime attendant for restrooms, spills, and touchpoints while the building is open.

  • Floor Care

    Stripping, refinishing, burnishing, and carpet extraction on a set schedule.

Portland metro at a glance for facility managers

Local market figures from the U.S. Census Bureau, Bureau of Labor Statistics, CMS, and NCES. Sources are listed at the bottom of the page.

Population, 2025
577,635 [1]
Population, 2020
551,764 [1]
Population change, 2020–2025
4.7% [1]
Janitorial establishments (NAICS 561720, 2023)
224 [4]
Janitorial employees
1,452 [4]
Janitor mean hourly wage (May 2024)
$20.54 [5]
Janitor median hourly wage (May 2024)
$20.17 [5]
Janitors and cleaners employed (May 2024)
3,820 [5]
Employment in information, finance, professional, and admin sectors (NAICS 51–56, 2023)
67,322 [4]
Hospitals
6 [6]
Colleges and universities
10 [7]
Principal cities
Portland, South Portland [2]
Counties in the metro definition
Cumberland County, ME; Sagadahoc County, ME; York County, ME [3]

In May 2024, BLS reported a mean of $20.54 and a median of $20.17 an hour for janitors in this metro. Labor is the largest part of any cleaning contract, so local wages are useful budget context. Your price comes from the scope set at your walkthrough.

Largest private-sector industries by employment (County Business Patterns 2023)

  1. Health care and social assistance (62): 48,718 employees
  2. Retail trade (44-45): 35,652 employees
  3. Manufacturing (31-33): 29,496 employees
  4. Accommodation and food services (72): 26,581 employees
  5. Finance and insurance (52): 18,189 employees
[4]

What this means when you scope a building

  • At a local median janitor wage of $20.17, visit frequency drives cost. Clean restrooms and entries daily, and move low-traffic offices to fewer visits.
  • Summer tourism raises traffic in hospitality and retail space. Build a seasonal step-up into the contract before June.
  • Historic buildings in the Old Port have stairs, wood floors, and tight access, which take more labor per square foot than a suburban office.
  • Manufacturing employs 29,496 people in the region, and plant floors near Bath and Biddeford need scrubbing and dust control separate from offices.

Industries we scope in Portland

Questions facility managers ask

Which parts of southern Maine do you serve?

We serve buildings across Cumberland, York, and Sagadahoc counties, including Portland, South Portland, Westbrook, Scarborough, Biddeford, Saco, Brunswick, and Bath.

Why is commercial cleaning in Portland, Maine priced higher than some bigger cities?

Labor is most of any cleaning price, and BLS reports a median janitor wage of $20.17 an hour here, above many larger metros. We keep cost reasonable by pricing from a walkthrough and matching frequency to real use, then send a written quote.

How do you handle Maine winters in commercial buildings?

We plan for sand and salt from the first storm: entry mats checked, lobbies mopped more often, and neutral cleaners to lift salt film. Most buildings also need a spring scrub and recoat once the season ends.

What does the free facility assessment include?

We walk your building, review the areas you want cleaned and how they are used, and send a written quote for your building. Call (202) 968-1190 or email info@national-cleaning.com to book it.

Do you serve my part of the metro area?

We serve commercial facilities across the metro area, from downtown offices to suburban campuses and industrial parks. Call (202) 968-1190 to book a free walkthrough.

Nearby metros

We also serve facilities in nearby metros, including Boston, MA, Worcester, MA, Providence, RI, Hartford, CT, Albany, NY.

Maine service area·All service areas

Sources

  1. Population estimates · U.S. Census Bureau · View source
  2. Principal cities · U.S. Census Bureau · View source
  3. Metro boundaries · U.S. Census Bureau · View source
  4. County Business Patterns · U.S. Census Bureau · View source
  5. Occupational employment and wages · Bureau of Labor Statistics · View source
  6. Hospital directory · Centers for Medicare & Medicaid Services · View source
  7. College directory · National Center for Education Statistics · View source
  8. Geographic coordinates · U.S. Census Bureau · View source