How Often Should Janitors Clean Your Office?

Walk into most Seattle offices late on a Friday and you can usually tell how often the cleaning crew comes. The restroom supplies are running low, the kitchen bin is full, and the carpet in the main hallway has gone a dull grey. None of that happens overnight. It builds up quietly, one missed visit at a time.

So how often should janitors actually clean your office? The honest answer is that it depends on how many people use the space, how much foot traffic it sees, and which areas are shared. A ten person law office in Pioneer Square is a very different job from a 200 seat tech floor in South Lake Union, and a schedule that ignores that difference either wastes money or never quite keeps up.

This guide covers how we set cleaning frequency for commercial clients across Seattle, how to tier the work so you are not paying for the same level of service everywhere, and the warning signs that your current schedule is off.

How Often Should Janitors Clean Your Office? The Short Answer

Most offices fall into one of a few bands. Use these as a starting point, then adjust for the factors further down.

• Under 20 people, low visitor traffic: one or two visits a week
• 20 to 50 people: two to three visits a week
• 50 to 100 people, or any client facing lobby: three to five visits a week
• 100 people and up, or near continuous use: nightly service, five nights a week
• Medical, dental and food service space: nightly, with some areas cleaned and disinfected more than once a day

Two things push a building up a band no matter the headcount: shared restrooms and kitchens, which get dirty fastest and cause the most complaints, and reception or conference space, where visitors form their first impression of your business.

Cleaning Frequency by Area, Not One Blanket Schedule

Trying to clean the entire office at a single frequency is the quickest way to overspend. A well built contract tiers the work instead, so daily attention lands only where it actually matters and everything else is handled weekly or monthly.

Every visit (daily or several times a week)

• Restrooms cleaned, disinfected and restocked
• Kitchen and break room counters, tables and sinks wiped down, bins emptied
• Trash and recycling removed throughout the office
• Entry, lobby and reception floors vacuumed, glass spot cleaned, front desk wiped
• High touch points disinfected, including door handles, light switches and shared equipment

Two to three times a week

• Vacuuming of open carpeted areas
• Damp mopping of hard floors, which is where a proper commercial floor care routine pays for itself
• Conference room tables and shared phones cleaned
• Spot cleaning of walls, doors and partition glass

Weekly

• Desk surfaces, window sills and ledges dusted
• Interior glass cleaned beyond the lobby, part of routine commercial window cleaning
• Edge and corner vacuuming, and under furniture where it can be reached
• Bins disinfected and liners replaced in lower use areas

Monthly

• High dusting of vents, ceiling corners and the tops of cabinets and partitions, covered under commercial high dusting
• Deep clean of break room appliances such as microwaves and fridges
• Buffing of hard floor traffic lanes
• Blinds and light fixture exteriors dusted

Quarterly to twice a year

• Carpet extraction in traffic lanes and main walkways through commercial carpet cleaning
• Floor stripping and rewaxing on vinyl composition tile
• Window cleaning, inside and out
• Upholstery cleaning for office chairs and lobby seating
• Tile and grout deep cleaning in restrooms and kitchen areas

What Decides How Often Janitors Should Come

Four things move the needle more than anything else:

• Headcount and density. People are the source of most office dirt, from crumbs and coffee rings to the load on restrooms and kitchens.
• Foot traffic. A lobby that sees a hundred visitors a day needs different handling from a back office that only staff walk through.
• Shared facilities. One kitchen and one restroom used by 60 people will always set the floor for how often someone needs to be on site.
• Industry requirements. Medical and dental offices follow stricter disinfection routines, and restaurant cleaning usually means the kitchen and dining areas are done daily or more.

Get these four right and the schedule basically writes itself. Get them wrong and you end up with a contract that looks fine on paper but never matches how the building is actually used.

Signs Your Cleaning Schedule Is Too Light

You do not need a consultant to diagnose this. The building tells you:

• Restroom complaints between visits, or supplies running out before the next one
• Visible dust on desks and sills a day or two after a clean
• Carpet lanes that still look grey right after vacuuming
• A kitchen or restroom smell that returns by mid week
• Employees wiping down their own desks or buying supplies themselves
• Client facing areas that look tired well before the next scheduled visit

If two or more of these sound familiar, the fix is usually not to clean harder. It is to add a visit each week, or to bring in a day porter to handle high traffic areas during business hours.

Signs You Might Be Cleaning More Than You Need

The opposite happens too, especially in offices that moved to nightly service during the pandemic and never revisited it. If your team is remote two or three days a week, if crews finish in half the contracted time, or if whole floors sit empty most days, you are probably paying for service that nobody is using. Plenty of hybrid Seattle offices cut their cleaning spend meaningfully by moving open areas to two or three visits a week while keeping restrooms and kitchens on a daily schedule.

How Cleaning Frequency Affects Cost

Coming more often does not have to mean a bigger bill, and it is often cheaper per visit. When a space is cleaned regularly there is less built up grime to strip back, so each visit is quicker, and a crew that knows the building works faster than one learning it. That is why the most cost effective way to keep an office clean is usually a steady routine rather than occasional heavy cleans. For a fuller picture, see how commercial cleaning costs are put together.

How Often Should Your Seattle Office Be Cleaned?

This is where a generic rule of thumb stops being useful. A Ballard brewery tasting room, a Bellevue financial office and a First Hill dental practice all carry the label commercial, yet their cleaning needs have almost nothing in common. We are a locally rooted commercial cleaning company that has looked after buildings across the Seattle area and nearby Bellevue since 2012, and the first step is always the same: we walk the space with you.

That walkthrough looks at headcount, traffic patterns, restrooms, kitchens, client areas and floor types, then we propose a frequency for each area rather than one number for the whole building. We look after offices, medical and dental suites, restaurants, retail units, banks and hospitality venues across the greater Seattle area.

If you already have a provider and something feels off, our piece on eight warning signs walks through what to look for, and how to deep clean covers the tasks worth scheduling separately from routine service.

A Simple Way to Set Your Schedule

• List each area of the office: restrooms, kitchen, lobby, open plan floors, private offices, conference rooms, storage.
• Mark how much traffic each area gets in a day.
• Assign a frequency to each area using the tiers above, daily for the busy shared spaces, weekly or monthly for the quieter ones.
• Add seasonal or periodic tasks such as carpet and floor care on top.
• Review it every few months, because hybrid schedules shift and headcount changes.

Getting the Frequency Right

Cleaning frequency is less about a magic number and more about matching the service to how your building is actually used. Start with the bands above, adjust for traffic and shared areas, and tier the work so daily attention lands where it matters. If you would like a straight answer for your own office, request a free quote and we will walk the space with you.

Frequently Asked Questions