Restore Exterior Surfaces with Proven Methods

Backed by over 25 years of industry experience serving properties across Colorado.

Pressure Washing

Removes buildup from driveways, patios, fencing, and concrete surfaces to reveal the original finish.


Window Cleaning

Clear views for residential and commercial properties, handled with care and attention to detail.

Roof Washing

Gentle yet effective treatment that extends the life of roofing materials without aggressive techniques.

Graffiti Removal

Fast turnaround to restore property appearance and maintain a welcoming presence for your business or home.

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Refresh Your Property with Thorough Exterior Cleaning

Delivered by experienced professionals with day and night availability

United Building Services is a locally owned exterior cleaning company serving residential and commercial properties throughout Westminster and surrounding areas. We've built our reputation on more than two decades of hands-on work, addressing everything from routine upkeep to specialized removal projects. Our team understands how weather, foot traffic, and seasonal exposure affect the surfaces around your property.


You'll know what's included before work begins, and scheduling adapts to your availability with day, night, weekend, and on-call options. Bilingual customer support ensures that questions are answered promptly, and flexible pricing options reflect the scope of each job. Every project starts with a clear understanding of what needs to be done and how long it will take.


United Building Services combines careful preparation with thorough execution, so outdoor areas look maintained without shortcuts or guesswork. We bring the right equipment for each surface, whether it's a commercial storefront or a residential driveway. Our approach prioritizes lasting results and leaves properties looking well cared for.

Reach out to request your free estimate and consultation.

What Happens During Service

Before equipment arrives, we review the scope of work with you and walk through the areas to be cleaned.

You'll receive a detailed outline that covers which surfaces will be treated, the methods we'll use, and the timeline for completion. Scheduling is designed to minimize disruption, and our team arrives prepared with the tools and materials suited to the job.


We confirm arrival times, provide updates as needed, and handle setup and cleanup without leaving behind debris or equipment marks. Each phase of the project follows documented steps, so you're never left wondering what comes next or when the work will wrap up.



Our service approach includes the following:

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Over 25 years of hands-on experience with exterior cleaning techniques across a variety of property types

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Fully licensed, insured, and bonded professionals who follow safety protocols and industry standards

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Comprehensive service coverage including pressure washing, power washing, window cleaning, concrete scrubbing, trash can cleaning, fence cleaning, driveway cleaning, patio cleaning, and roof washing

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Quick response times with flexible scheduling that accommodates properties from Denver to Boulder, Littleton to Colorado Springs, and Westminster to Longmont

Connect with us to arrange a free consultation and review your project details.

Rely on Fully Licensed and Insured Professionals
Our bonded team delivers thorough results for homes and businesses throughout the region.

Dependable Work You Can Count On

United Building Services has been serving Colorado properties for more than two decades, and that longevity reflects a commitment to doing the job right. We've worked with homeowners, business owners, and property managers who need reliable results without last-minute changes or incomplete finishes. Our team shows up when scheduled, follows through on what's been outlined, and treats every property with care.


You're hiring professionals who take accountability seriously and understand that your property's appearance matters. We don't cut corners or rush through tasks to move on to the next job. Each surface is treated with appropriate methods, and our work stands up to inspection long after we've finished.


Schedule your free estimate and let's discuss how we can help refresh your exterior spaces.

Worker in teal uniform pressure-washing a wet sidewalk with a hose