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Landscape And Sprinkler Contractors In Longmont

Find Out Why Thousands of Homeowners Have Trusted Green Guys With Their Landscape Design, Build and Maintenance Projects for Over Three Decades! We are your one-stop green professional to create and upkeep your outdoor living investment.

Our Services


We have proudly served the Longmont and surrounding areas for over 35+ years with a strong work ethic and dedication to quality. Our services include full landscape constructions and sprinkler design/build services ranging from sustainable lawn installation, low maintenance xeriscape, water saving sprinkler systems, patio, firepits, and much more. We don’t stop there, we help maintain your investments with spring cleanup, fall cleanup, seasonal prune and trim of plants, shrubs, trees and upkeep the life-blood of your landscape, your irrigation or sprinkler system start ups (activation), blow outs (winterization), upgrades, water saving tune ups, repairs and more. We are the licensed and insured professionals you can trust.

We build relationships based on great communication, taking the time to know each customer, their property, and their needs. In turn, we hope they’ll recommend us to their friends. That’s why we’re one of the best landscaping companies in the area. We deliver on our promises with the highest quality workmanship and products, in a timely manner, and priced accurately and fairly.

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We transform yards into outdoor oasis! Our expert crews can scale their services for the needs of any customer: from designing and building a new dream landscape or remodel, to maintaining with our seasonal maintenance services.

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We designed, installed, upgraded, repaired, tuned up and added on to thousands of sprinklers both residential, and large estate homes. You can rest assured that nobody knows how to install, repair, upgrade, tune up, add on to installation, start up (activation) or blow out (winterization) a sprinkler system like we do!

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Seasonal Maintenance

Services include: Spring Clean Up, Spring Prune & Trim, Lawn Fertilization, Sprinkler Start Up, Sprinkler Repair, Sprinkler Water saving Upgrades, Sprinkler Tune Up, Sprinkler Add On, Sprinkler Blow outs, Fall Clean Up, and Fall Prune and Trim.

Why Green Guys

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35+ year reputation you can trust
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experience to get it done right
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highly-skilled staff all season long
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