Since 1986, Intermountain Cleaning Service has delivered trusted commercial cleaning across Eastern Washington. Backed by proven systems, trained professionals, and a satisfaction guarantee, we make your space shine - every time.
Spokane Commercial Cleaning Services
Background-Checked Cleaning Teams Serving Local Businesses Since 1986
Looking for a commercial cleaning partner in Spokane that understands your operations? At Intermountain Cleaning Service, we customize every cleaning plan around your schedule, facility, and daily needs. Whether it’s daily janitorial care or seasonal deep cleaning, our licensed, insured, and background-checked team helps keep your workplace running smoothly.
Call (509) 797-7327 to request a free estimate or fill out our online form and schedule a service.
Cleaning Solutions That Work for You
Tailored Services for Every Business
Whether you need ongoing janitorial care, specialized floor cleaning, or deep sanitation, we’ve got you covered. Explore our featured services and find the perfect fit for your space.
Cleaning Solutions Backed by Decades of Experience
Since 1986, our team has supported businesses in Spokane with responsive, detail-focused cleaning. We’ve worked with schools, medical offices, warehouses, government buildings, and more, adapting to each client’s space, pace, and operational hours.
We don’t just show up and clean; we take time to understand your space and tailor our work to fit your needs. Whether you require day porters, weekend cleaning, or coordination around shift changes, we make it easy to stay clean without disrupting your routine.
Custom Janitorial Services
Our janitorial services cover routine tasks like restroom sanitizing, trash removal, breakroom cleaning, and surface disinfecting. Scheduling is flexible; weekly, or custom frequencies based on your needs.
We use the best available products and techniques, including green options, when possible, that can align with your facility’s sustainability goals.
Floor & Surface Care for High-Traffic Spaces
Spokane’s changing seasons take a toll on flooring. We offer comprehensive care to extend the life of carpets, tile, and other surfaces, helping you maintain a clean and professional appearance year-round.
Our floor care services include:
- Carpet extraction and spot treatment
- Upholstery vacuuming and shampooing
- Floor stripping, waxing, and polishing
- Tile and grout cleaning
- Entrance mat programs and replacements
We use commercial-grade tools and low-moisture systems to minimize drying time and disruption.
Cleaning Excellence Backed by Happy Customers
Rated 5 Stars by Businesses Like Yours
Our reputation is built on trust, consistency, and results you can see. Check out what our satisfied customers have to say about their Intermountain Cleaning Service experience.
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"Highly Recommend!"Friendly, fast, easy to contact, literally have almost any cleaning service you.- Brian S.
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"Quality Organization!"We’ve used Intermountain for years. They are a quality organization.- Doug F.
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"Amazing!"These people are amazing!! Superb, quality work.- Eric W.
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"Very Kind & Respectful!"Their office is just down for my parents' house I have a lot of stuff that go in and out I'm parked but they are always very kind and respectful and courteous.- Toni L.
If you were happy with your cleaning service, we’d truly appreciate you taking a moment to leave a 5-star review. Your feedback helps others find a cleaning team they can trust—and lets us know we’re doing a great job!
Window Cleaning & Building Exterior Maintenance
We help businesses maintain a polished exterior with interior and exterior window cleaning, graffiti removal, and pressure washing for entryways, sidewalks, and walls. Hard-to-reach and water-stained glass is no problem; we’re equipped for both.
We also offer seasonal support like lawn care and snow removal to keep your property safe and presentable throughout the year.
Disinfection Services & Restroom Supply Delivery
We provide targeted disinfection services for high-touch areas like door handles, restrooms, and breakrooms, using EPA-approved products and electrostatic sprayers. This is especially helpful for clinics, schools, and food-service environments that require an extra level of cleanliness.
We also take the guesswork out of restroom supply management by tracking your inventory and delivering bulk essentials like toilet paper, paper towels, hand soap, and sanitizer. With our team handling the restocking, your staff can stay focused on their day-to-day work.
Post-Construction Cleaning & Move-In Prep
If you’ve just finished a renovation or build-out, our post-construction teams can prepare the space for occupancy. We handle debris removal, dusting, and floor care to help you transition quickly and safely.
Trusted by Spokane Businesses for Generations
Since 1986, Intermountain Cleaning Service has been a trusted cleaning partner for businesses across Yakima. Locally based in Eastern Washington, we understand what it takes to keep your facility clean, organized, and ready for day-to-day operations, whether it’s a downtown clinic or a warehouse on the outskirts.
Our team is fully licensed, bonded, and background-checked, and we adapt our services to your schedule and space. If something’s off, we’ll make it right, typically within 24 hours. You can count on consistent, thorough service, every time.
Let’s Build a Cleaning Plan That Works
Whether you need an ongoing janitorial plan or a one-time service, Intermountain Cleaning Service is here to help. We’ll walk to your facility, discuss your needs, and provide a clear, no-pressure estimate.
Call (509) 797-7327 or contact us online to schedule a service and get a free estimate.
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Comprehensive Services for Every Facility
From janitorial to carpets, disinfection, and windows, we offer complete cleaning solutions tailored to your unique needs.
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Trained, Trusted, and Professional Teams
Our cleaning professionals are fully vetted, insured, and trained to provide safe, detailed, and dependable service.
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Satisfaction Guaranteed, Every Single Visit
If you're not happy with any part of your clean, contact us within 24 hours and we’ll make it right—at no extra charge.
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A Proven System That Delivers Consistency
Our Detail-Clean Rotation System ensures every clean is thorough, efficient, and held to the highest standard of quality.
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Locally Owned with Decades of Experience
Serving Eastern Washington since 1986, we bring reliable, community-focused cleaning backed by over 30 years of expertise.
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Committed to Top-Quality Results Every Time
We use industry-best practices, high-grade products, and proven systems to ensure every clean is done right the first time.