High-Rise, Commercial & Specialty
Window Cleaning
Across Colorado
Colorado's commercial and high-rise window cleaning contractor since 1997. From certified rope access and drones to water-fed poles and lifts, we safely clean windows at any height — trusted by Boulder County, the City of Aurora, and more.
Trusted by Leading Organizations
From residential communities to government facilities, Colorado's most respected organizations rely on Hembree for a spotless first impression.
Industry Memberships & Associations
We stay at the forefront of our industry through active membership in leading facility management, real estate, and healthcare engineering associations.
What We Do
Our Services
From ground-floor windows to high-rise buildings, we offer comprehensive property cleaning and maintenance services.
Window Cleaning
Interior & exterior window cleaning for homes and businesses. Streak-free results guaranteed.
Gutter Cleaning
Complete gutter cleaning and debris removal to protect your property from water damage.
High Rise Window Cleaning
Certified rope access high rise window cleaning in Denver & Colorado for commercial and government buildings.
Drone Window Cleaning
Drone window cleaning in Denver & Colorado — safe, efficient cleaning for hard-to-reach commercial and government glass.
Post-Construction Cleaning
Remove construction debris, paint overspray, and residues from new builds and renovations.
Screen Repair
Professional window screen repair and replacement for all window types and sizes.
Solar Panel Cleaning
Maximize your solar investment. Clean panels perform up to 30% more efficiently.
High Dusting
Clean ceiling fans, vents, beams, and hard-to-reach surfaces throughout your property.
Glass Restoration
Remove hard water stains, oxidation, and mineral deposits to restore glass clarity.
Christmas Light Installation
Complete holiday lighting service including installation, maintenance, removal, and storage.
Dryer Vent Cleaning
Compressed air dryer vent cleaning from the building exterior — minimal tenant disruption, any height.
Rope Access Services
SPRAT & IRATA-certified rope access for cleaning and light engineering where traditional access is difficult.
Load Testing & Certification
OSHA-compliant load testing and certification for roof anchors and fall protection systems.
Building Envelope Weatherproofing
Commercial window sealing, façade joint sealant replacement, and rope-access weatherproofing for buildings throughout Colorado.
Colorado
Why Hembree
Experience the
Hembree Difference
Hembree Window Cleaning LLC is a Colorado commercial and high-rise window cleaning contractor dedicated to delivering exceptional service using rope access, drones, water-fed poles, and lifts. Our dedication to our craft has earned us the 2025 "Smooth Operator" Jobber Grant and Nextdoor Neighborhood Fave.
25+ Years Experience
A second-generation Colorado company with nearly three decades of industry knowledge. We've seen it all and done it right.
Extensive Insurance Coverage
We carry general liability, commercial automotive, worker's compensation, and excess liability — satisfying even the strictest government requirements.
Trusted by Major Clients
Proud vendors for Boulder County, Broomfield City & County, City of Aurora, Equity Residential, Regis Jesuit, and many more.
5-Star Rated Service
2025 Jobber 'Smooth Operator' Grant Winner and Nextdoor Neighborhood Fave. Our reviews speak for themselves.
Ready for Spotless Windows?
Get a free, no-obligation quote today. We'll respond within 24 hours.
Serving All of Colorado's Front Range
From Fort Collins to Colorado Springs, Hembree provides commercial and high-rise window cleaning across Colorado's Front Range — using rope access, drones, water-fed poles, and lifts to reach any building. Check if we service your area.
Commercial & High-Rise Division
Commercial & High Rise Window Cleaning Across Denver & Colorado
From downtown Denver office towers to high-rise multifamily communities across the Front Range, Hembree cleans exterior glass at any height. Certified rope access, water-fed poles, lifts, and FAA-compliant drones — all from one insured, OSHA-compliant Colorado contractor serving property managers, building owners, and government clients since 1997.
Beyond window cleaning, Hembree provides commercial building-envelope weatherproofing and exterior sealant replacement. Our rope-access capabilities allow us to repair failed window seals and façade joints on difficult-to-reach elevations throughout Denver and Colorado. Learn about our weatherproofing services.
Safety & Access Planning
Safety First on Every Colorado Building
Window cleaning at height is real work, and we treat it that way. Whether it's a single-family home or a downtown Denver tower, every Hembree project starts with a site walk-through and a plan built around that specific building.
Rope Access & Fall Protection
Independent redundant rope systems and fall protection on every high-rise and rope access project.
Trained, Certified Technicians
Rope access technicians are SPRAT-trained and drone pilots are FAA Part 107-certified for the work they perform.
Equipment Inspections & Roof Anchor Testing
Rope, harnesses, and hardware are inspected before each use; roof anchors are load tested and certified where required.
Site-Specific Safety Planning
We walk the site and build the plan around the building — never a one-size-fits-all checklist.
Building Manager Coordination
We schedule around tenants, secure roof access, and share COIs and safety documentation before work begins.
OSHA-Compliant Procedures
Work is performed under OSHA-compliant procedures, with documentation available for your compliance team.
Job Hazard Analyses (JHAs)
We can prepare a JHA for your building that identifies hazards, access needs, and the controls that address them.
Building-Specific Internal Safety Plans
We can create an internal safety plan tailored to your building's systems, layout, and operations.
Local Tips & News
From Our Blog
High Rise Dryer Vent Cleaning in Castle Pines: A Safety Guide
Is your dryer taking longer to dry? Learn why high rise dryer vent cleaning in Castle Pines is essential for safety and efficiency with Hembree Window Cleaning.
Professional Dryer Vent Cleaning & Christmas Lights in Castle Rock, CO
Looking for dryer vent cleaning in Castle Rock, CO? Hembree Window Cleaning offers expert dryer safety and festive Christmas light installation services.
Solar Panel Cleaning Centennial: Boost Efficiency in Colorado
Maximize your energy savings with professional solar panel cleaning in Centennial, Colorado. Keep your system operating at peak performance year-round.
What Our Clients Say
80+ 5-star reviews across Colorado
"Mason and his crew have a great work ethic and are very professional. It was easy to schedule online, and they did a wonderful job on our 4-season sunroom (including the glass roof!). So glad we found Hembree Window Cleaning!"
"We had a wonderful experience with Hembree Window Cleaning! They went above and beyond making sure our windows looked great. Very fast to respond to our request. Would highly recommend this company if anyone needs their windows cleaned."
"Window cleaning service was great! They even went the extra mile and used some special cleaner on a couple of windows, plus scraped off some paint stains with a razor. Really happy with the service, they were also fast and got the job done quickly."
Free Estimate
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Tell us about your project and we'll provide a no-obligation quote. Most responses within 24 hours.
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