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Business Details
50+ Years
experience
Your Trusted Seattle Landscaping & Irrigation Experts
Founded in 1972, Iliad is a Seattle-based specialty contractor with decades of expertise in design-build services for site development, underground utilities, landscape architecture, and irrigation systems. Our team delivers innovative solutions for private and public projects, including athletic fields, water features, green rooftops, golf courses, and sustainable stormwater management. With a focus on creative problem-solving and value engineering, we have cultivated a loyal client base through reliable, customized construction management and maintenance services.

Our commitment to quality extends to feasibility studies, cost estimating, and long-term landscape preservation. By prioritizing client collaboration, we transform outdoor spaces into functional, aesthetically pleasing environments that align with individual visions and practical needs.
Services
Landscape Design Irrigation Systems Outdoor Lighting Water Features Erosion Control Site Development Sustainable Practices Golf Course Landscaping Playfield Construction Stormwater Management
Details
  • Year established: 1972
Highlights and features
  • We have over 50 years of experience in Seattle-area landscaping and irrigation.
  • Our design-build approach ensures seamless project execution from concept to completion.
  • We specialize in sustainable stormwater management and eco-friendly practices.
  • Our team provides customized solutions for residential, commercial, and public spaces.
  • We offer comprehensive maintenance services to preserve landscape investments long-term.
Services
Landscape Design
Our landscape design service creates functional, visually striking outdoor spaces tailored to client preferences. We integrate native plants, hardscaping, and water-efficient irrigation systems to ensure sustainability. With over 50 years of local expertise, we transform properties into low-maintenance, eco-friendly environments that enhance property value and usability for residential and commercial clients.
Irrigation Systems
We install advanced drip irrigation and smart water systems that conserve resources while maintaining landscape health. Our solutions reduce maintenance needs and utility costs through automated controls and precision watering. Backed by decades of experience, we design systems for gardens, golf courses, and large-scale developments to ensure optimal water efficiency and plant vitality.
Outdoor Lighting
Our outdoor lighting solutions enhance safety, security, and aesthetics through custom installations. We design systems that highlight architectural features, illuminate pathways, and create inviting entertainment spaces. Using energy-efficient LED technology, we provide durable, low-maintenance lighting that extends usable hours for decks, patios, and commercial properties while deterring intruders.
Water Features
We design and construct custom water features including ponds, fountains, and cascading waterfalls that add tranquility and value to properties. Our systems integrate seamlessly with irrigation networks for efficient water reuse. With expertise in both residential and public projects, we create visually stunning, ecologically balanced features that complement natural surroundings and client lifestyles.
Sustainable Practices
Our sustainable practices focus on stormwater retention, permeable paving, and native plant selection to minimize environmental impact. We implement green infrastructure like bioswales and rain gardens to manage runoff and promote groundwater recharge. These solutions meet regulatory requirements while creating resilient landscapes that thrive in Seattle's climate, reducing long-term maintenance costs for clients.
Questions
What services does Iliad offer?
We provide landscape design, irrigation systems, outdoor lighting, water features, erosion control, and sustainable stormwater management for residential and commercial properties.
How long has Iliad been in business?
Iliad has served the Seattle area since 1972, offering over 50 years of expertise in landscaping and irrigation solutions.
Do you handle both residential and commercial projects?
Yes, we specialize in custom solutions for homes, businesses, parks, golf courses, and public spaces throughout the Greater Seattle area.
What makes Iliad's approach unique?
Our design-build methodology combines creativity with technical precision, ensuring seamless project execution from planning to maintenance for optimal results.
Are your irrigation systems water-efficient?
Yes, we prioritize drip irrigation and smart controllers to minimize water usage while maintaining healthy, vibrant landscapes.
Do you offer maintenance services?
We provide ongoing landscape and irrigation maintenance to preserve the beauty and functionality of your outdoor spaces year-round.