Best Landscaping in Washington State
Landscape design, installation, and maintenance services
Showing 58 verified contractors • Last updated: 4/21/2026
🏆 Top 3 Landscaping in Washington (2026)
- In Harmony Sustainable Landscapes (Bothell) — ★ 4.8/5 (234 reviews)
- Urban Oasis Design & Construction LLC (Seattle) — ★ 4.8/5 (156 reviews)
- Eagle Rock Landscaping Inc. (Seattle) — ★ 4.8/5 (167 reviews)
All Landscaping in Washington
In Harmony Sustainable Landscapes
Urban Oasis Design & Construction LLC
Eagle Rock Landscaping Inc.
Nasim Landscape
Pacific Landscaping Inc
Cambium
Design By Oz LLC
Green Team Landscapers LLC
Kaleidoscope Inc.
JM Landscaping LLC
Firepit Landscaping LLC
Economy Landscaping, LLC
Landcrafters
Diamond Landscape Service
G&R Landscaping Inc
Frequently Asked Questions
How much does landscaping cost in Washington State?
Landscaping costs in Washington vary widely: basic front yard landscaping $3,000-$8,000, full landscape design and installation $10,000-$50,000, sod installation $1-$2 per sq ft, irrigation system $2,500-$6,000, and retaining walls $50-$200 per linear foot. Seattle-area costs are typically 20-30% higher. Native plant landscaping is popular in Washington and can reduce ongoing maintenance costs.
What is the best time for landscaping in Washington?
The best times for landscaping in Washington are: fall (September-November) for planting trees, shrubs, and perennials as roots establish before winter; spring (March-May) for lawn installation, annual planting, and hardscaping; and summer for hardscaping projects. Avoid major planting during hot, dry summer months (July-August) unless you can provide consistent irrigation.
Do landscapers need a license in Washington State?
Yes, landscapers in Washington who perform construction activities need contractor registration with L&I. This includes hardscaping, retaining walls, irrigation systems, and grading. Basic lawn care and maintenance may not require registration. Always verify landscaper credentials at secure.lni.wa.gov/verify for any significant project.
How much does a retaining wall cost in Washington?
Retaining wall costs in Washington range from $50-$200 per linear foot installed, depending on material and height. Timber walls cost $15-$30/sq ft, concrete block $20-$35/sq ft, natural stone $25-$50/sq ft, and poured concrete $20-$40/sq ft. A typical 50 linear foot wall at 3 feet tall costs $3,000-$10,000. Walls over 4 feet typically require engineering and permits.
How do I find a licensed landscaper near me in Washington?
To find a licensed landscaper in Washington: 1) Search our directory by location, 2) Verify contractor registration at secure.lni.wa.gov/verify for any construction work, 3) Ask for photos of previous projects, 4) Check references, and 5) Get detailed quotes. For significant projects involving grading, walls, or structures, ensure they have proper insurance and bond.