Lake Oswego Landscaping Services
Let us transform your Lake Oswego yard into an inspiring landscape designed for your unique needs and space. Get started today with a FREE consultation from one of our experienced Landscape Designers.
Get Your Landscaping Quote
Landscape Designers, Installers & Landscape Maintenance in Lake Oswego, Oregon
Dennis’ 7 Dees is a full-service Lake Oswego landscaping company with six decades of experience creating beautiful landscapes that cater to the specific needs and goals of our clients. From small renovations for curb appeal to complete landscape makeovers and expert year-round maintenance, we’ve won numerous national awards for our work of all sizes throughout Lake Oswego and nea by West Linn.
We’re Lake Oswego Landscapers Offering Award-Winning Landscape Design & Build and Landscape Maintenance
We have multiple award-winning landscapes throughout Lake Oswego—we create inspiring landscapes that fit any size of yard or type of terrain. Whether you reside on a lot near the lake or a sloping gem nearby, our landscape designers can make the most of any plot in Lake Oswego and the surrounding neighborhoods.
From complete landscape renovations and luxury outdoor living spaces to landscape maintenance and irrigation, our full-service design-build-maintain team creates beautiful landscapes tailored to the way Lake Oswego and West Linn homeowners live and entertain.

Creating Exceptional Outdoor Living in Lake Oswego
Lake Oswego is known for its mature landscapes, established neighborhoods, and spaces designed for outdoor living. Our landscape designers create custom environments that respect existing trees, enhance privacy, solve grading and drainage challenges on sloped properties, and seamlessly integrate patios, outdoor kitchens, fire features, landscape lighting, pools, and gardens into one cohesive design. Whether you're renovating an older landscape or building a new outdoor living space, every project is thoughtfully tailored to your property and lifestyle.
Our professional landscape maintenance crews also understand how to maintain all types of Lake Oswego landscapes, and our team specializes in advanced levels of maintenance and garden care catered to our climate.


Lake Oswego Landscaping Services
Whether you're planning a complete landscape transformation or updating one area of your property, we provide comprehensive landscaping services including landscape design, patios and hardscapes, retaining walls, irrigation, landscape lighting, planting, drainage improvements, and ongoing landscape maintenance throughout Lake Oswego.
Outdoor Living & Kitchens
Patios, Paths & Walls
Water Features & Pools
Fire Pits & Outdoor Fireplaces
Perennials, Shrubs & Trees
Raised Beds & Gardens
Containers & Seasonal Color
Sod & Hydroseed Lawns
Synthetic Turf
Athletic Courts & Golf Greens
Landscape Lighting
Irrigation & Drainage Systems
Creating Exceptional Outdoor Living in Lake Oswego
Lake Oswego is known for its mature landscapes, established neighborhoods, and spaces designed for outdoor living. Our landscape designers create custom environments that respect existing trees, enhance privacy, solve grading and drainage challenges on sloped properties, and seamlessly integrate patios, outdoor kitchens, fire features, landscape lighting, pools, and gardens into one cohesive design. Whether you're renovating an older landscape or building a new outdoor living space, every project is thoughtfully tailored to your property and lifestyle.
Award-Winning Landscapes Every Year Since 1995

We stand out from other Portland landscaping companies with our exceptional quality of work, excellent customer service, decades of experience, and dozens of national awards.
You can trust us to make your landscape dream a reality! Have peace of mind knowing we create custom landscapes to fit your property and lifestyle with the best materials and staff.
Browse our portfolio to see a stunning array of residential landscaping projects we’ve completed over the years, including just some of our award-winning properties highlighted by the National Association of Landscape Professionals (NALP). We’re proud of our team and look forward to bringing your landscaping dreams to life!
What People Are Saying About Us
Our Landscape Design/Build Process in Lake Oswego & West Linn
STEP 1: Consultation
Discover Your Vision: First, we’ll connect you with one of our talented landscape designers who will get to know you and your outdoor space. Together, you’ll discuss your goals, how you intend to use your new landscape, and any concerns you may have.
STEP 2: Concept & Design
Bringing Your Vision to Life: We explore creative landscape possibilities while keeping your budget and any local regulations in mind. We also evaluate grading, drainage, mature trees, privacy, and how you'd like to use your outdoor spaces for entertaining and everyday living. Then, we craft a custom design for your review and refinement—once approved, your project is scheduled for installation!
STEP 3: Construction
From Concept to Reality: Watch your landscape transform as our expert installation teams bring your design to fruition. We pride ourselves on precision, cleanliness, safety, and respectful crews who treat your property as their own.
STEP 4: Maintenance
Protect Your Investment: Your new landscape comes with a warranty and the option for ongoing care. Our skilled maintenance teams can ensure your outdoor space thrives year-round, keeping it beautiful, healthy, and worry-free!

Why Choose Dees for Your Landscape?
Turnkey Process
Enjoy a fluid experience with seamless communication. Details won’t get lost in translation as they can with multiple contractors. From design to installation, we handle all the details—sourcing materials, securing expert and reliable subcontractors, and ensuring your landscape is just how you envisioned.
Ample Resources
Increased buying power and economy of scale help us keep costs reasonable, offer extensive options, and minimize supply chain issues. Our longstanding position in the community and in the landscaping industry has allowed us to establish strong relationships with the best suppliers in the market.
Protected Investment
After installation, we provide a warranty on your plants and hardscapes to protect your investment. Our knowledgeable landscape maintenance team also makes it easy for you to keep your landscape thriving through each season and for many years to come.
Landscaping Tips & Inspiration
Why Should You Invest in Landscape Design?
A Healthier Environment
Create more resilient, eco-friendly outdoor spaces:
- Clean air and natural temperature regulation
- Reduced erosion, runoff, and soil degradation
- Thoughtful plant selection supports local wildlife and biodiversity
Financial Value
Investing in professional landscape design pays off:
- Boosts home value and attracts prospective buyers
- Maximizes usable outdoor space for extra living area
- Can reduce water, energy, and maintenance costs
- Can prevent costly water and erosion damage
A Safer Space for Your Family
Strategic landscaping can improve safety and comfort:
- Pathways and natural barriers enhance security and reduce hazards
- Trees and shade structures protect from harsh sun
- Proper lighting improves nighttime visibility
Beautiful, Livable Outdoor Spaces
Transform your home into a relaxing, functional retreat:
- Enhances curb appeal
- Increases privacy and buffers neighborhood noise
- Creates practical spaces for entertaining and relaxing
- Reflects your style and thrives all year round
