Business Details
50+ Years
experience
Trusted Tree Services in San Francisco Bay Area
Dryad, LLC has been a trusted leader in arboriculture since 1972, providing expert tree and landscape evaluation, management, and consulting services. Our founder, Torrey Young, brings over 40 years of hands-on experience as a Registered Consulting Arborist and Board Certified Master Arborist. We specialize in tree risk assessment, pest and disease management, litigation support, and customized educational programs for clients across the San Francisco Bay Area and Western states. Our mission emphasizes integrity, technical excellence, and a deep commitment to enhancing urban forest ecosystems. With certifications from ASCA, ISA, and SAF, we combine scientific rigor with practical solutions for residential, commercial, and municipal clients.Our team delivers precise diagnostics, actionable management plans, and expert witness testimony grounded in decades of field experience. We maintain active affiliations with leading arboricultural organizations and have contributed to national standards development through ANSI and ISA committees. Our service area spans California's major metropolitan regions and extends to Oregon, Washington, Nevada, and Arizona. Dryad, LLC remains dedicated to advancing tree care practices through continuous education and innovative problem-solving tailored to each client's unique needs.
Services
Tree Risk Assessment
Pest and Disease Management
Litigation Support
Tree Appraisal
Educational Programs
Details
- Year established: 1972
Highlights and features
- We offer 50+ years of combined arboricultural expertise since 1972
- Our team holds multiple industry certifications from ASCA and ISA
- We provide litigation support with expert witness testimony experience
- We deliver customized training programs for tree care professionals
- Our service area spans five Western US states with local expertise
Associations and certifications
- ASCA
- ISA
- SAF
- CA Dept. of Pesticide Regulation
Services
Tree Risk Assessment
Our ISA-certified arborists conduct comprehensive tree risk assessments using TRAQ methodology. We identify structural weaknesses, disease indicators, and environmental stressors to determine hazard potential. Clients receive detailed mitigation recommendations prioritizing safety while preserving tree value.
Litigation Support
We provide expert witness testimony and technical documentation for tree-related legal cases. Our services include damage appraisals, causation analysis, and code compliance evaluations. With decades of courtroom experience, we deliver clear, defensible expert opinions for attorneys and insurance professionals.
Tree Appraisal
Using ASCA-approved methodologies, we determine monetary value for trees and landscapes. Our appraisals consider species, size, condition, and ecological benefits. This service supports insurance claims, property valuation, and damage compensation calculations for residential and commercial properties.
Pest Management
Our DPR-licensed specialists diagnose pest infestations and plant pathologies. We develop integrated management plans combining cultural, biological, and chemical treatments. Services include invasive species monitoring and treatment protocols tailored to California's unique ecosystems.
Educational Programs
We offer customized training for tree care professionals and municipal staff. Curriculum covers pruning techniques, risk assessment standards, and compliance with ANSI A300. Programs combine classroom instruction with hands-on field demonstrations for practical skill development.
People
Torrey Young
Registered Consulting Arborist & Owner
With 50+ years in arboriculture, Torrey is a Board Certified Master Arborist and former president of ASCA. He developed industry standards as ISA committee member and has trained professionals nationwide since founding Dryad, LLC in 2004.
Questions
What arboricultural services do you offer?
We provide tree risk assessment, litigation support, pest management, value appraisals, and professional training programs for residential and commercial clients.
How experienced are your arborists?
Our lead arborist has 50+ years of experience since 1972, holding multiple certifications including ASCA Registered Consulting Arborist and ISA Board Certified Master Arborist.
Which areas do you serve?
We operate throughout the San Francisco Bay Area and Western states including Oregon, Washington, Nevada, and Arizona.
Can you assist with legal tree disputes?
Yes, we provide expert witness testimony, damage appraisals, and technical documentation for tree-related legal cases since 2004.
How do I schedule a tree assessment?
Contact us through our website contact form or call 877-206-4001 to arrange a consultation with our certified arborists.
