Janitorial cleaning maintains your building day-to-day. Deep cleaning resets it. Most commercial buildings need both on different schedules.
Janitorial cleaning is the nightly maintenance that keeps a commercial building clean and sanitary: emptying trash, vacuuming, dusting, and cleaning restrooms. Deep cleaning is an intensive periodic service that targets areas nightly cleaning doesn’t reach: carpet extraction, baseboard scrubbing, blind dusting, grout cleaning, and detailed surface restoration. Most offices need nightly janitorial and deep cleaning every 3-6 months.
Property managers and facility managers often use the terms interchangeably, but janitorial cleaning and deep cleaning serve different purposes, operate on different schedules, and deliver different results. Understanding the distinction is essential for budgeting, scheduling, and ensuring your building receives the right type of cleaning at the right intervals.
Janitorial cleaning is the nightly maintenance that keeps a building clean and sanitary for daily operations. Deep cleaning is an intensive periodic service that resets surfaces to like-new condition. Most commercial buildings need both — nightly janitorial to maintain day-to-day cleanliness and periodic deep cleaning to prevent buildup and extend the life of floors, carpets, and other surfaces.
What Is Janitorial Cleaning?
Janitorial cleaning (also called commercial cleaning or nightly maintenance) is the routine service that keeps a building clean on a day-to-day basis. Tasks include: emptying trash and recycling bins, vacuuming all carpeted areas, dust mopping and damp mopping hard floors, cleaning and disinfecting restrooms, restocking soap, paper towels, and toilet paper, spot cleaning glass, mirrors, and doors, wiping break room counters and sinks, and general straightening of common areas. Janitorial cleaning is typically performed nightly, after business hours. For a full breakdown of what’s included, see our guide to full-service janitorial.
Janitorial cleaning — also called nightly cleaning, commercial cleaning, or routine maintenance — is the daily or nightly service that keeps a building clean, sanitary, and presentable. It is performed on a recurring schedule, typically every night after business hours, and covers the tasks needed to maintain a consistent level of cleanliness.
Standard janitorial tasks include: emptying trash and recycling bins from all areas; vacuuming all carpeted floors including edges and under furniture; dust mopping and damp mopping hard-surface floors; cleaning and disinfecting all restroom fixtures including toilets, urinals, sinks, and countertops; restocking soap, paper towels, toilet paper, and other consumables; spot cleaning glass, mirrors, and entry doors; wiping break room counters, sinks, and microwaves; dusting desks, window sills, and horizontal surfaces; and general straightening and tidying of common areas.
Janitorial cleaning typically takes 30 minutes to 2 hours per night depending on building size and scope. The cost is a predictable monthly fee based on square footage. For a full breakdown, see our full-service janitorial page.
What Is Deep Cleaning?
Deep cleaning goes beyond nightly maintenance to restore surfaces to like-new condition. Tasks include: hot water carpet extraction (steam cleaning), hand-scrubbing baseboards and window sills, vacuuming and wiping blinds and window coverings, cleaning ceiling vents and diffusers, wiping down all door frames and trim, detail cleaning restroom fixtures and grout, cleaning inside cabinets and drawers, degreasing break room appliances, stripping and waxing hard floors, and pressure washing entryways. Deep cleaning addresses the buildup that nightly cleaning cannot remove. For carpet deep cleaning specifics, see our carpet cleaning services.
Deep cleaning goes beyond nightly maintenance to address buildup, stains, and neglected areas that routine cleaning cannot fully resolve. It is performed less frequently — quarterly, semi-annually, or annually — and requires specialized equipment and training.
Deep cleaning tasks include: hot water carpet extraction (steam cleaning) that removes embedded soil and allergens; hand-scrubbing baseboards, window sills, and door frames; vacuuming and wiping blinds, window coverings, and curtains; cleaning ceiling vents, diffusers, and grilles; wiping down all door frames, trim, and switch plates; detail cleaning restroom fixtures, tile, and grout; cleaning inside cabinets, drawers, and shelving; degreasing break room appliances including ovens and refrigerators; stripping and refinishing hard-surface floors; and pressure washing entryways, walkways, and loading areas.
Deep cleaning takes 4-8 hours per zone and is typically project-based pricing rather than a recurring monthly fee. For carpet-specific deep cleaning, see our carpet cleaning services.
Key Differences at a Glance
Frequency: Janitorial is nightly; deep cleaning is quarterly, semi-annual, or annual. Scope: Janitorial covers surface-level cleaning; deep cleaning reaches hidden and neglected areas. Time per visit: Janitorial takes 30 minutes to 2 hours per night depending on building size; deep cleaning takes 4-8 hours per zone. Equipment: Janitorial uses vacuums, mops, dusters, and cleaning chemicals; deep cleaning uses carpet extractors, floor machines, pressure washers, and specialized tools. Cost: Janitorial is a predictable monthly fee; deep cleaning is typically project-based pricing. Who performs it: Janitorial is done by the nightly crew; deep cleaning is often done by a specialized team.
The differences between janitorial and deep cleaning are significant and affect budgeting, scheduling, and vendor selection:
Frequency: Janitorial is nightly (5-7 nights per week). Deep cleaning is quarterly, semi-annual, or annual depending on the area and use.
Scope: Janitorial covers surface-level cleaning of visible areas. Deep cleaning reaches hidden and neglected areas including ceiling level, behind fixtures, inside appliances, and deep within carpet fibers.
Time per visit: Janitorial takes 30 minutes to 2 hours per night. Deep cleaning takes 4-8 hours per zone, often requiring weekend or after-hours scheduling.
Equipment: Janitorial uses standard vacuums, mops, dusters, and cleaning chemicals. Deep cleaning uses carpet extractors, floor machines, pressure washers, HEPA vacuums, and specialized tools.
Pricing: Janitorial is a predictable monthly fee ($0.10-$0.25 per sq ft). Deep cleaning is project-based ($0.20-$0.50 per sq ft for most tasks).
Staffing: Janitorial is performed by the regular nightly crew. Deep cleaning is often performed by a specialized team with advanced training.
Do You Need Both?
Yes. Janitorial cleaning alone allows buildup in carpets, on surfaces, and in hard-to-reach areas. Deep cleaning alone won’t keep a building sanitary day-to-day. The standard formula is: nightly janitorial service + quarterly or semi-annual deep cleaning. Buildings with high foot traffic, carpeted areas, or food service need quarterly deep cleaning. Low-traffic buildings with mostly hard flooring may need deep cleaning only once or twice per year. For facility-specific requirements, see healthcare facility cleaning standards and school cleaning guidelines.
The short answer is yes — every commercial building needs both types of cleaning. Relying solely on janitorial cleaning allows buildup to accumulate in carpets, on surfaces, and in hard-to-reach areas. Over time, this buildup causes premature wear, stains become permanent, and allergens accumulate. Relying solely on deep cleaning will not keep the building sanitary on a day-to-day basis.
The standard formula that works for most commercial offices is: nightly janitorial service to maintain day-to-day cleanliness plus quarterly or semi-annual deep cleaning to reset surfaces. Buildings with high foot traffic, extensive carpeting, food service, or healthcare tenants need more frequent deep cleaning — typically quarterly. Buildings with mostly hard flooring and lower occupancy may need deep cleaning only once or twice per year.
How Much Does Deep Cleaning Cost?
Deep cleaning costs vary by scope and facility size. Typical ranges: carpet extraction $0.15-$0.50 per square foot, floor stripping and waxing $0.50-$1.00 per square foot, full office deep clean $0.20-$0.40 per square foot, and window cleaning $2-$8 per pane. Most commercial buildings budget $500-$5,000 per deep cleaning event depending on size and condition. Bundling deep cleaning with a nightly janitorial contract often reduces the cost. For a cost comparison, see our in-house vs. outsourced cost analysis.
Deep cleaning costs vary by scope and facility size. Typical 2026 pricing ranges: carpet extraction $0.15-$0.50 per square foot depending on soil level and accessibility; floor stripping and waxing $0.50-$1.00 per square foot depending on number of coats and condition; full office deep clean including all surfaces $0.20-$0.40 per square foot; window cleaning $2-$8 per pane for interior and $3-$12 per pane for exterior depending on building height; pressure washing $0.15-$0.50 per square foot.
Most commercial buildings budget $500-$5,000 per deep cleaning event depending on size and scope. Bundling deep cleaning with a nightly janitorial contract often reduces the per-event cost by 10-20% because the vendor already has staff on-site and familiarity with the building.
How to Schedule Deep Cleaning
Plan deep cleaning around business operations. Most offices schedule deep cleaning during weekends, holidays, or after hours. Work with your janitorial provider to create an annual deep cleaning calendar. Coordinate with tenants to minimize disruption. Many property managers include deep cleaning in their annual budget planning. For scheduling tips, see commercial janitorial scheduling advice and sample cleaning proposals.
To get the most value from your deep cleaning budget, plan ahead. Work with your janitorial provider to create an annual deep cleaning calendar that schedules each zone for the appropriate frequency. Coordinate with tenants to minimize disruption — most deep cleaning happens on weekends, holidays, or after hours.
Many property managers schedule deep cleaning around their fiscal year budgeting cycles. Include deep cleaning as a separate line item in your annual facilities budget rather than treating it as an unexpected expense. For scheduling templates, see commercial janitorial planning resources and sample proposals.
Need both janitorial and deep cleaning? Contact RBM for a comprehensive commercial cleaning plan.
Final Thoughts
Since 1974, RBM has provided nightly janitorial, carpet deep cleaning, floor care, window washing, and event cleanup for commercial buildings across Utah, Arizona, Nevada, and Texas. Call 800.403.3564 or contact us.
Understanding the difference between janitorial and deep cleaning is the first step toward a comprehensive cleaning program that protects your building investment and keeps tenants satisfied. Both types of cleaning serve essential but different purposes, and most commercial buildings need both to maintain a truly clean, healthy, and professional environment.
Since 1974, RBM Building Services has provided nightly janitorial, carpet deep cleaning, floor care, window washing, and event cleanup for commercial buildings across Utah, Arizona, Nevada, and Texas. Call 800.403.3564 or contact us.
