The answer is: IT DEPENDS on various factors
Why type of facility? Gym? Medical Office? Customers Visiting? Foot traffic?
How many people per day on average?
Do clients/customers come visit?
Any pets?
Cleanliness Expectations?
1x MONTHLY SERVICE *RECOMMENDATION*:
Even if an office is completely empty!
Flushing toilets to prevent stained bowl rings, pump soap dispensers to prevent clogs, check for leaks to prevent from further damage, pour enzyme digester down floor drains to prevent odors and blockage, report any unusual activity or post needed work orders, check on closed and locked doors. Perform high and low dusting as it accumulates over time and more are tasks needed to maintain a facility even if it is empty! Even checking the moisture inside the office! Detecting early signs of rodents/pests! EVERY SINGLE FACILITY NEEDS EYES AND MAINTENANCE!
2-3x WEEKLY SERVICE:
For offices with 1-10 employees per day. Important priority areas are:
3-5x WEEKLY SERVICE:
For offices 10/15/20+ employees or more per day. This is when visitations and usage of restrooms, kitchens and trash are used a lot more. Janitorial/Maintenance is needed on almost, if not daily service!