Direct Answer
The best landscape design & installation contractors in Vancouver are verified through Washington Labor & Industries (lni.wa.gov). Look for companies with 4.5+ Google stars, 50+ reviews, active WA license, and at least 5 years serving the Vancouver area.
Full Explanation
Verify any Vancouver contractor at Washington Labor & Industries (lni.wa.gov). Request proof of general liability insurance and workers' compensation. Ask for references from recent Vancouver projects — local experience matters for understanding permit requirements and area-specific challenges.
Local Factors in Vancouver
📍Verify license: Washington Labor & Industries (lni.wa.gov)
📍Vancouver city permit office issues local permits
📍Check BBB Greater Vancouver chapter
📍Require WA state license + local city license if applicable