Irrigation Services

Our Irrigation Services in Portland & Beyond 

With over 60 years in business, we know there’s more to plant and lawn care than pruning and mowing.  

Irrigation can be an extremely important factor which significantly impacts the health of your groundsA malfunctioning irrigation system or poorly planned sprinkler system can have disastrous results. Dennis’ 7 Dees’ hard-working team is trained in every area of the landscaping profession including irrigation services. This allows us to be able to give the most valuable, well-rounded asisstance we can to Portland and Lake Oswego homes and businesses. 

Portland Residential Irrigation Services 

With residential irrigation assistance from the certified pros at Dennis’ 7 Dees, your yard can be your home’s outdoor oasis. It is our pleasure to bring plants back to life and keep new ones growing healthy and strong. One of the ways we can accomplish this is a customized irrigation system plan. Homeowners come to us for both new builds and general maintenace. Whatever you’re looking for, we’ll work closely with you to understand your space, budget, and overall landscaping needs. Contact us anytime at 503-777-7777 to learn more about how we work. 


Have you found that your old irrigation layout is now impractical for your property? Do you require major sprinkler system repair to get an outdated system working again? You can trust that your Dennis’ 7 Dees dedicated irrigation technician will bring a tremendous amount of knowledge and experience to your project and give your property the attention it deserves.   

If you want a new, more effective irrigation system, our designers are more than capable of creating something that perfectly serves your yard’s unique needs. For example, we can construct something like an efficient drip irrigation system built around your landscaping layout to ensure each plant is dutifully looked after 


As part of our yearly maintenance standard services package, Dennis’ 7 Dees crew members can do water management, sprinkler system adjustmentsirrigation winterization, and spring turn on. 

This bundle starts at $350 per month for a 12-month contract and also includes integrated plant health care, mowing, edging, weed control, lawn and shrub fertilization, lime application, leaf removal, trash and debris pickup, and sweep/blow of patios, driveways and walkways.  

If you wish to personalize your residential landscaping services package, we gladly provide customizable and add-on services such as water feature maintenace, snow and ice removal, floralscape plantings and maintenace, rose care programs, aerating and overseeding, organic services, pressure washing, renovations/enhancements,erosion control, landscape lighting, and wetland and drought mitigation. 

Lake Oswego Irrigation Services

Living in Lake Oswego? Don’t let your outdoor areas get brown and unsightly due to poor landscape irrigation! In addition to providing irrigation services in Portland, we’re proud to offer irrigation services in Lake Oswego for residences and businesses.  


We can do new irrigation system construction/design, such as installing a drip irrigation model, or seasonally manage the irrigation system you already have in place, as with winterization. Whether doing minor sprinkler repair or building an entirely original system, we only use reliable irrigation supplies from trusted partners like Rain Bird and Hunter.  


You can always count on Dennis’ 7 Dees for top quality work, unparallel customer service, extensive know-how, and brilliant results. We’re committed to balancing your timeline, needs, coding regulations, and budget to help make the process as smooth and stress-free as possible. 

If you’d like to get a quote for your irrigation or other landscaping projects, please give us a call at 503-777-7777.  

Our Unique Approach 

Since 1956, we’ve remained a local, family-owned and operated business able to handle projects large or small with ease and form lasting relationships with wonderful clients both residential and commercial in nature. How do we do it? 


Rather than simply focusing on what’s going on with your garden today, we think about the long-term success of your landscape. Our team combines true expertise with years of continuous education as we thoughtfully consider everything that could affect the ability of your garden to thrive. That’s why we provide irrigation and water management services in addition to ones like weed control and lawn mowing.


Dennis’ 7 Dees appreciates the environment as much as we tend to it. We stay up to date on all the latest technological advancements not only for your benefit for the wellbeing of the Earth. It is our goal to give efficient, sustainable services that don’t hurt your wallet or the planet. 

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