Sprinkler Services
Longmont, CO and Surrounding Areas
Transparent Pricing
Up to 2-Year Warranty on Products and Services
Bundle-and-Save Discounts
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Efficient Sprinkler Solutions for Your Landscape
Green Guys brings over four decades of expertise to your lawn and garden irrigation needs. Our team of skilled landscapers and irrigation technicians specializes in comprehensive sprinkler services, ensuring your outdoor spaces remain lush and vibrant throughout the seasons. We understand that a well-maintained irrigation system is crucial for the health and beauty of your landscape, which is why we offer a full range of sprinkler services tailored to meet the unique requirements of Longmont, CO, and the surrounding areas.
As a locally and family-owned business, we take pride in our commitment to quality and customer satisfaction. Our transparent pricing policy, use of premium parts, and knowledgeable staff set us apart in the industry. We offer up to a 2-year warranty on our products and services, providing you with peace of mind. Our woman-owned and minority-owned status reflects our diverse perspective and inclusive approach to business. Whether you need a simple repair or a complete system overhaul, our team is equipped to handle projects of all sizes. To experience the Green Guys difference and ensure your landscape receives the care it deserves, contact us today.
Why Choose Us
Quality Parts
Knowledgeable Staff
Over 40 Years of Experience
Locally and Family Owned
Woman Owned
Minority Owned

Blow-Out Services
Protect your sprinkler system from winter damage with our thorough blow-out services. Our experienced technicians use state-of-the-art equipment to remove all water from your pipes, valves, and sprinkler heads, safeguarding your system against freezing temperatures and potential costly repairs.
Sprinkler Add-Ons
Enhance your existing irrigation system with our range of sprinkler add-ons. From smart controllers to rain sensors, we offer cutting-edge technologies that improve water efficiency and automate your watering schedule, saving you time and money while promoting a healthier landscape.
Sprinkler and Drip Installation
Our expert team designs and installs custom sprinkler and drip irrigation systems tailored to your landscape's specific needs. We consider factors such as soil type, plant varieties, and sun exposure to create an efficient watering solution that promotes optimal growth while conserving water resources.
Sprinkler Repairs
When your sprinkler system malfunctions, our skilled technicians are ready to diagnose and resolve the issue promptly. From leaky pipes to faulty valves, we handle all types of repairs with precision and care, ensuring your system returns to peak performance quickly.
Sprinkler Start-Ups
As spring arrives, let Green Guys prepare your irrigation system for the growing season. Our comprehensive start-up service includes system activation, thorough inspection of all components, and necessary adjustments to ensure optimal performance and water distribution throughout your landscape.
Sprinkler Tune-Ups and Upgrades
Keep your sprinkler system operating at its best with our tune-up and upgrade services. We assess your current setup, recommend improvements, and implement upgrades to enhance efficiency and performance. From replacing outdated components to incorporating water-saving technologies, we help you maximize the value of your irrigation investment.


Bundle and Save With Seasonal Packages
Looking to boost your curb appeal without breaking the bank? Green Guys has you covered! By bundling our landscaping services for Spring and Fall, you can enjoy incredible savings while transforming your outdoor space. There’s no better deal in Longmont and surrounding areas—make your yard the envy of the neighborhood!
Applicable seasonal services include spring start-ups, fall blow-outs, Colorado spring/April fertilization, and Colorado fall/October fertilization.
Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
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Frequently Asked Questions
When is the best time to activate my watering system in the spring?
In our region, we generally recommend waiting until the threat of a deep freeze has passed, typically between mid-April and early May. Activating sprinkler systems in Longmont, CO too early can lead to damaged backflow preventers if a late-season cold snap hits. We suggest monitoring the local soil temperature and long-term forecasts before scheduling your spring startup.
Why is the “cycle and soak” method recommended for local lawns?
The clay-heavy soil found in Northern Colorado often struggles to absorb large amounts of water at once. By splitting your watering schedule into multiple shorter sessions, you allow the ground to properly drink. This technique is highly effective for sprinkler systems in Longmont, CO because it prevents wasteful runoff onto sidewalks and ensures moisture reaches the deep root zones.
Do I really need to winterize my irrigation pipes every year?
Absolutely. The expansion of freezing water can easily burst PVC pipes and crack expensive brass valves underground. Professional blowouts are essential for all sprinkler systems in Longmont, CO to remove every drop of moisture before November arrives. Investing in annual winterization is the best way to prevent costly repairs and ensure your system is ready for the next spring.
What are the main advantages of installing a rain sensor?
A rain sensor acts as a smart “off switch” for your landscape. It detects active precipitation and signals your controller to skip the next scheduled cycle. This is a vital upgrade for sprinkler systems in Longmont, CO because it prevents overwatering during our sudden summer storms. You will save money on your utility bills while promoting a much healthier lawn.
Can drip irrigation be integrated with my existing turf zones?
Yes, we can frequently add drip zones to an existing setup to target specific garden beds or trees. While turf requires overhead spray, your delicate perennials and shrubs prefer water delivered directly to the roots. By modernizing sprinkler systems in Longmont, CO with drip components, you provide precise hydration that reduces weed growth and minimizes water evaporation in our dry climate.
How do smart controllers handle the unpredictable local weather?
Smart controllers use real-time Wi-Fi data to adjust your watering frequency based on current humidity, temperature, and wind speeds. This level of automation is perfect for managing sprinkler systems in Longmont, CO because it removes the guesswork from your daily routine. Your yard receives exactly what it needs to thrive, even when the Colorado weather changes in an instant.
What should I do if I notice a sudden spike in my water bill?
A high bill often indicates an underground leak or a broken head that is running constantly. You should perform a visual inspection of your zones to look for unusually soggy patches of grass or bubbling water. Identifying issues early helps maintain the efficiency of sprinkler systems in Longmont, CO and protects your property from potential erosion or foundation damage.
How often should a backflow preventer be tested by a professional?
Local regulations and safety standards typically require an annual test of your backflow assembly. This device prevents contaminated irrigation water from flowing backward into your home’s clean drinking supply. Regular testing ensures that the safety components are functioning correctly. Maintaining these devices is a critical part of owning and operating high-quality sprinkler systems in Longmont, CO safely.
Is it possible to install irrigation on steep hills or sloped areas?
Yes, but these areas require a specialized design to prevent water from pooling at the bottom of the hill. We use high-efficiency nozzles and check valves that hold water in the pipes when the system is off. This specialized approach ensures that even the most challenging landscapes can benefit from the professional installation of modern irrigation technology.







