Landscaping Contractors in Seattle, Washington
Licensed Establishments
3,153
U.S. Census Bureau
Peak Season
April through October, with highest demand May-September
Estimate
Avg. Response Time
2-5 business days for quotes, longer during peak season
Estimate
Common Job Costs
| Service | Cost Range |
|---|---|
| Basic lawn maintenance (monthly) | $150 – $300 |
| Landscape design and installation | $5,000 – $25,000 |
| Irrigation system installation | $2,500 – $8,000 |
| Sod installation (per sq ft) | $2 – $4 |
| Tree removal | $500 – $3,500 |
| Retaining wall construction | $3,000 – $12,000 |
Licensing Requirements
Licensing Requirements
Washington requires Landscape Contractor License (LCL) through L&I. Must pass written exam covering plant identification, soil science, irrigation, and business law. Requires 4 years experience or equivalent education. $75 exam fee, $70 license fee. Renews every 2 years with 14 hours continuing education.
Permit Requirements
Seattle requires permits for major grading, retaining walls over 4 feet, irrigation connections to city water, and tree removal of certain species. Street use permits needed for equipment staging.
Inspection Schedule
Irrigation backflow prevention devices require annual inspection. Major landscape installations may require city inspection before final approval. Tree work in critical areas subject to arborist review.
Insurance Minimums
General liability minimum $50,000 per occurrence, $100,000 aggregate. Workers' compensation required for employees. Bonding required for public works projects.
How to Get Licensed
- 1
Meet experience requirements
Document 4 years of landscaping experience or complete approved education program through community college or trade school
- 2
Submit application to L&I
Complete Landscape Contractor License application with experience documentation, references, and $70 license fee
- 3
Schedule and pass written exam
Pay $75 exam fee and schedule test covering plant identification, soil science, irrigation systems, pesticide laws, and business practices
- 4
Obtain required insurance
Secure general liability insurance meeting state minimums and workers' compensation if hiring employees
- 5
Register business and obtain bonds
Register business with Washington state, obtain UBI number, and secure any required bonding for public works eligibility
- 6
Complete continuing education
Maintain license with 14 hours continuing education every 2 years through approved providers
About This Market
Seattle's landscaping market runs hot with tech money driving demand for high-end residential work and sustainable commercial projects. Rain-heavy climate means year-round growing seasons but limits outdoor work windows. Competition is fierce among 3,153 licensed establishments statewide, with material costs elevated due to geography and environmental regulations. Native plant mandates and stormwater management requirements add complexity but create premium billing opportunities. Getting licensed in Washington means navigating L&I bureaucracy and proving 4 years experience before you can touch the exam. Seattle adds another layer with tree ordinances that'll shut you down fast if you cut the wrong Douglas Fir. Peak season runs April to October, but smart contractors line up winter work doing hardscaping and irrigation repairs. Know your native species, understand stormwater codes, and budget for equipment staging permits because parking enforcement doesn't mess around.
Data Sources:
Frequently Asked Questions
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Contractors in Seattle
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