
Since 1986, Intermountain Cleaning Service 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.

Cleaning Company in Yakima, WA
Professional Cleaning Services in Tri-Cities, Spokane & Eastern Washington Since 1986
At Intermountain Cleaning Service, we deliver consistent, high-quality property cleaning across Spokane, Yakima, Tri-Cities, and throughout Eastern Washington. Whether you manage a large facility or a small office, we provide dependable cleaning services that align with your schedule and priorities.
Call (509) 797-7327 or send us a message online to request a free estimate or 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.
A Cleaning Company Rooted in Eastern Washington
Since 1986, we’ve provided thorough, professional cleaning solutions for businesses across Eastern Washington. With offices in Spokane, Yakima, and Tri-Cities, we’ve built lasting partnerships by staying responsive and focused on the details that matter most. Our staff is licensed, bonded, insured, and background-checked, so when we show up, you know you're in good hands.
What We Offer
Businesses rely on us for a full range of commercial cleaning and maintenance services. From daily janitorial coverage and detailed floor care to carpet cleaning, window washing, and disinfecting programs, we keep work environments clean, functional, and ready for the day. Services also include post-construction cleanup, pressure washing, snow removal, and supply deliveries.


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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Friendly, fast, easy to contact, literally have almost any cleaning service you.- Brian S.
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We’ve used Intermountain for years. They are a quality organization.- Doug F.
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These people are amazing!! Superb, quality work.- Eric W.
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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!
Why Businesses Count on Us
We deliver consistent results through site-specific cleaning plans, supported by routine check-ins and strict quality control. Our trained team arrives in uniform, fully equipped, and ready to work around your schedule, even on weekends.
Need something outside the usual scope? We’re happy to create a custom plan. We also support your sustainability goals by using efficient methods and offering green cleaning products whenever possible.
Your Partner for Consistent, Quality Cleans
We’ve completed over 1 million cleans, and we’re just getting started. From spotless lobbies to tough post-construction debris, Intermountain Cleaning Service is the long-term cleaning partner businesses trust across Spokane, Yakima, the Tri-Cities, and beyond.
Request a Free Quote for Your Cleaning Needs
Every business is different. That’s why we customize every cleaning plan, from frequency to service mix, to fit your operations and goals.
Call (509) 797-7327 or contact us online to plan your cleaning service today.
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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.