Landscaping in Mercer Island
We’re a full-service landscape contractor in Mercer Island: design and build, irrigation, and ongoing yard maintenance with 100% electric equipment.
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Sustainable Landscaping Services on Mercer Island
Seattle Sustainable Landscapes provides full-service residential landscaping, yard maintenance, custom hardscaping, and drainage solutions for homeowners throughout Mercer Island, WA (ZIP code 98040).
Whether your property sits on a steep slope along Lake Washington or requires low-maintenance native plant design, our team delivers eco-friendly, high-quality landscape services tailored to the unique soil, weather, and tree protection regulations of Mercer Island.
Ongoing Yard Maintenance in Mercer Island
Keep your outdoor space healthy and well-maintained year-round with customized service plans:
- Ongoing Yard Maintenance: Regular mowing, organic weed control, pruning, and seasonal bed maintenance.
- Yard Clean-Ups & Seasonal Prep: One-time leaf removal, spring revamps, pressure washing, and storm clean-ups.
- Organic Soil Care: Soil conditioning, fertilization, and eco-friendly weed control safe for families and pets.
Our maintenance service in Mercer Island uses electric equipment, hand weeding, and chemical-free care.
Planting & Garden Design
Give your garden new life with carefully selected plants, custom planting plans, and professional installation.
- Curated Planting Service: Hand us the whole process
- Custom Design Planting: plan your garden together with our landscape designer.
- Seasonal Color: bring fresh pop-ups of color to your garden beds and containers every season.
We read the growing conditions, then add your preferences to create combinations that feel at home in the Pacific Northwest. In shade, sword fern, salal, Oregon grape, and evergreen huckleberry settle in. Where the sun lands, red-flowering currant, vine maple, and low-water perennials take over.
Irrigation Installation & Maintenance in Mercer Island
Support healthy plant growth with an irrigation system suited to your landscape.
- Irrigation installation in Mercer Island: We install, repair, and retrofit older systems for better water efficiency. Smart controllers adjust watering to the weather.
- Seasonal maintenance services follow the calendar:
• Spring startup
• Backflow assembly testing
• Fall blowout
Landscaping Construction in Mercer Island
Landscape Design & Build in Mercer Island
Bring your ideas together in a landscape designed around your property and built to endure the Pacific Northwest climate.
Our landscape design and build team in Mercer Island creates:
- Patios, Walkways & Retaining Walls: Paver and natural stone hardscaping designed for hillside stability and local site conditions.
- Native & Regionally Adapted Planting: Landscaping featuring PNW native species.
- Outdoor Lighting: Architectural garden lighting.
The plan we draw together is the plan our crew builds, which keeps the details you approved on paper present in the finished yard.
Landscape Construction & Installation
Create more ways to enjoy your outdoor space. Our skilled construction crews bring your ideas to life, and we can also build a design from another landscaping firm. Our construction services in Mercer Island include:
- Grading and excavation
- Walkways, patios, pergolas
- Retaining walls
- Outdoor lighting
- Drainage solutions
Homeowners choose us as their landscaping contractor in Mercer Island for clear communication, careful craftsmanship, and quality work delivered within the established budget and timeline.
Drainage and Rainwater Management
Mercer Island’s geography presents unique runoff challenges. Protect your foundation, garden beds, and sloped terrain with custom solutions:
- Downspout Extensions & French Drains: Efficient underground groundwater diversion.
- Rain Gardens & Swales: Eco-friendly stormwater filtering solutions.
- Slope Stabilization: Erosion control and slope reinforcement tailored to Lake Washington shoreline conditions.
Ready to Transform Your Mercer Island Landscape?
Get in touch today for a free on-site consultation and quote for your yard maintenance, drainage, or landscape design project.
Service area: Mercer Island, WA (98040) & Greater Seattle
Our Work
Seattle Sustainable Landscapes was reborn in 2022. New owners, new image, and new energy, with a team that brings more than 20 years of experience in construction and yard care.
We serve Mercer Island’s homeowners, respecting each property’s conditions, possibilities, and priorities.
Explore the gallery to see some of our projects, including landscape renovation, adding new plants, improving drainage, and ongoing yard maintenance.
Side pathway with pebble edging and planting design Backyard for kid’s entertainment Backyard deck surrounded by hardy plants Backyard patio and stepping stone pathway surrounded by low-maintenance plantings Grading, nurturing, and planting Lighted full walkway with pebble edging in Mercer island Front yard planting design in Mercer Island
Rooted in The PNW
Nicolette & David
At Seattle Sustainable Landscapes (SSL), we’re a family-owned full service landscaping company rooted in sustainable practices.
Owners David and Nicolette McCary are born and raised Seattleites and built a business inspired by the PNW.
We design, build, and care for residential properties with homeowners who value making the right choice for the environment.
Why choosing us
Speed & Convenience
It’s easy to work with us
Bring positive energy
We choose the bright side of life
Ecologically inspired
We make sustainable desicions
People helping people
We support our clients and community
Our Approach
From First Conversation to Every Season After
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We Listen
Submit a form or call us. Share what you would like to change in your yard, what works well, and what you want to improve. We walk the yard with you, notice what you notice, and ask how you use the space. This on-site visit helps us both confirm the right fit.
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We Plan
We sketch a plan around your goals, site conditions, and service options. For an ongoing maintenance plan in Mercer Island, we set visit frequency, tasks, and time on-site. For a one-time project, we set design, materials, timeline, and site preparation.
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We Work
Our team works with attention to detail, helping each part of the landscape come together.
Depending on the scope, we develop the design, coordinate selections, and prepare for installation or construction.
Our crew brings hands-in-the-soil experience to every bed, path, and pipe.
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We care
We return through the seasons, so the landscape grows into the plan. With appropriate irrigation and ongoing care, your Mercer Island landscape keeps developing year after year.
We do small and big projects
Tell us what you’re hoping to change. We provide landscaping services for projects of all sizes.
Maintenance Crews in Action
100% Electric Landscaping Equipment
Battery-powered mowers, trimmers, and blowers keep Mercer Island mornings quiet and the air clean for neighbors, pets, and pollinators.
Local PNW Expertise: Deep understanding of Mercer Island’s clay soils, microclimates, shade canopy, and slope conditions.
Sustainable Practices: Eco-friendly plant selection, efficient water management, and organic soil care.
Full-Service Convenience: From initial sketches to weekly yard care and seasonal irrigation prep, we handle every stage of your outdoor project.
Questions We Hear on The Island
And Their Answers
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What landscaping services does Seattle Sustainable Landscapes offer in Mercer Island?
We offer landscape design, construction, yard care, lawn care, ongoing maintenance, irrigation, drainage, clean-ups, and pressure washing for homeowners and condo owners on Mercer Island.
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Which plants grow well in Mercer Island yards?
Pacific Northwest natives suit the island’s rainy winters and dry summers.
In shade, we plant sword fern, salal, and Oregon grape.
In brighter spots we plant red-flowering currant, vine maple, and low-water perennials. We match each plant to the light, soil, and slope of your yard.
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How do you solve yard drainage and erosion issues on Mercer Island properties?
We begin with water. We map how rain moves across the slope, then combine drainage, deep-rooted plantings, and landscape stairs, so the yard stays stable and easy to walk through the seasons.
We design custom drainage systems including French drains, swales, rain gardens, and retaining walls engineered specifically for sloped terrain and heavy Pacific Northwest rainfall.
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Do you offer ongoing yard maintenance in Mercer Island?
Yes. Our yard maintenance plans bring recurring visits through the seasons, with tiers that fit different yard sizes and needs.
Contact us to discuss your property and confirm service availability.
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How do I request an estimate?
Send us a note through the form at this link. We reply, schedule a walk-through at your yard, and follow with a written proposal.
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Do you offer landscape design in Mercer Island?
Yes. Our design and build services can bring together planting, patios, walkways, retaining walls, outdoor lighting, and other landscape improvements.
The approach depends on your property’s needs and the scope of your project.
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Can you help me choose native plants for my Mercer Island garden?
Yes. We can incorporate Pacific Northwest native plants and other well-adapted species when they suit your site’s growing conditions and your goals.
Plant selection considers factors such as sunlight, soil, water needs, seasonal interest, and ongoing maintenance.
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Do you install and maintain irrigation systems in Mercer Island?
We provide irrigation installation, repair, and upgrades, along with seasonal services such as spring startup, winterization, and backflow testing.
We can also help homeowners explore smart irrigation controllers and more efficient watering practices
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Do you manage seasonal irrigation startup and winterization?
Yes. We offer complete irrigation maintenance on Mercer Island, including spring startups, backflow assembly testing, smart controller configuration, and late-fall blowout / winterization.
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