Denver commercial cleaning & janitorial — for any building, any size.
Offices, medical, retail, gyms, restaurants, warehouses, schools, churches, apartment common areas, and more — cleaned and maintained by vetted local AssistResi crews. Nightly janitorial, day porter, or one-time. One vendor. One invoice.
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Start your quoteWhat we cover
Full-service commercial cleaning for Denver.
Janitorial, floor care, windows, exteriors, and lawn — under one Denver vendor.
Janitorial & Commercial Cleaning
Nightly janitorial, day porter, and recurring commercial cleaning for offices, medical, retail, gyms, restaurants, warehouses, schools, and multifamily common areas — restrooms, breakrooms, floors, glass, trash-outs, and disinfection.
Floor Care & Specialty Services
Hard floor strip & wax, VCT, tile & grout, carpet cleaning, window cleaning, high-dust, post-construction cleanup, and move-in / move-out turnovers.
Commercial Lawn & Exterior
Mowing, edging, trimming, leaf cleanup, snow removal, and seasonal landscaping for commercial properties, HOAs, and multifamily exteriors across the Denver metro.
Buildings & spaces we clean
If it's a commercial space in Denver, we clean it.
From a single dental suite to a 200-unit apartment community or a 50,000 sq ft warehouse — we scope, staff, and execute to your spec.
Why AssistResi
A Denver partner, not a national call center.
Most commercial cleaners in Denver are either huge national brands or solo crews. We're built differently — operating in-house teams with the route density and reliability of a national, and the responsiveness of a local.
Local, vetted Denver crews
Our in-house AssistResi providers are background-checked, insured, and OSHA-trained — no anonymous contractors, no rotating faces.
After-hours, day porter & weekends
Nightly janitorial, daytime porter coverage, or weekend deep-cleans — built around your tenants, staff, and customers.
Any building, any size
From a 1,500 sq ft dental office to a 200-unit apartment community or a 50,000 sq ft warehouse — we scope, staff, and execute to spec.
One vendor, one invoice
Janitorial, floor care, windows, and lawn under one contract and one point of contact. Stop chasing five separate vendors.
Free quote
Request a commercial quote
Tell us a little about your space. We'll follow up within one business day.
FAQ
Commercial cleaning, answered.
What types of commercial buildings do you clean in Denver?+
We service office buildings, medical and dental offices, retail stores, banks, gyms and fitness studios, restaurants, salons and spas, auto dealerships, warehouses and industrial / flex space, schools and daycares, churches, government buildings, coworking spaces, apartment and HOA common areas, and event venues across the Denver metro — Denver, Aurora, Lakewood, Centennial, Englewood, Littleton, Highlands Ranch, Wheat Ridge, Arvada, Westminster, Thornton, and surrounding areas.
Do you offer nightly janitorial and day porter service?+
Yes. Most commercial accounts are nightly or 2–5× weekly janitorial. We also offer day porter coverage for lobbies, restrooms, and high-traffic spaces, plus weekend and event-based cleans.
What specialty services do you provide?+
Beyond recurring janitorial, we offer carpet cleaning, hard floor strip & wax, VCT and tile/grout care, window cleaning (interior and low-rise exterior), high-dusting, post-construction cleanup, disinfection, and move-in / move-out turnovers.
Do you handle commercial lawn care and snow removal?+
Yes. We provide mowing, edging, trimming, leaf cleanup, seasonal landscaping, and snow / ice management for commercial properties, HOAs, and multifamily exteriors. Bundle with cleaning under one monthly contract.
Are your cleaners insured, bonded, and background-checked?+
Every AssistResi provider is background-checked, insured, and trained on our quality standards. We carry general liability and workers comp on every job and can provide a COI naming your property.
How is commercial cleaning priced?+
Commercial pricing is quoted per square foot, frequency, and scope. After you submit a request we'll walk your space (in person or virtually), confirm the spec, and send a fixed monthly quote — no surprise fees.
How quickly can you start?+
Most commercial accounts go live within 7–14 days of a signed quote. Urgent, one-time, or post-construction jobs can often be scheduled within 48 hours.