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19 Years
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Expert Tree Services in Petaluma, CA
Sonoma-Marin Arborists is a woman-owned tree care company established in 2007, serving public, private, and commercial clients across Northern California. Our team combines over 30 years of collective experience with specialized expertise in hazard tree assessment, certified crane operations, and sustainable forestry practices. As a BBB-accredited business, we prioritize safety, precision, and environmental stewardship in every project. Our services include emergency storm response, invasive species management, and firebreak creation in collaboration with local fire specialists. We maintain industry certifications such as ISA Certified Arborist (WE-8381A) and Master Green Building Professional to ensure the highest standards of quality and sustainability.

With a fleet of specialized equipment including insulated aerial lifts and excavators, we deliver comprehensive tree care solutions tailored to each client's needs. Our commitment to innovation is demonstrated through repurposing salvaged redwood lumber and providing free wood chip deliveries to reduce waste. Fully insured and bonded, we serve as trusted advisors for tree health and property safety, particularly in wildfire-prone regions where defensible space is critical. Our reputation for rapid response and meticulous cleanup has been built through consistent delivery of expert craftsmanship since our founding.
Services
Tree Hazard Removal Stump Grinding Landscaping Tree Trimming Crane Services Wood Chipping Firebreak Creation Invasive Species Removal Emergency Storm Response Redwood Salvage
Details
  • Year established: 2007
Highlights and features
  • We are BBB accredited with proven business practices
  • Our team has over 30 years of combined tree care experience
  • We employ ISA Certified Arborists and licensed crane operators
  • We provide 24/7 emergency response for storm-damaged trees
  • We implement sustainable practices with wood waste repurposing
Associations and certifications
  • BBB
What people say
Great job Professional team Rapid response Cheerful crew Excellent cleanup
Services
Tree Hazard Removal
Our certified arborists assess and remove hazardous trees threatening property or safety. Using advanced rigging techniques and crane services, we safely dismantle unstable trees while minimizing property impact. This service helps homeowners maintain insurance coverage by eliminating fire and falling risks.
Emergency Storm Response
Available 24/7 for urgent tree emergencies caused by severe weather. Our rapid response teams prioritize safety by stabilizing damaged trees and clearing debris. We complete most emergency jobs within hours, as demonstrated by our documented lunchtime completion of pine tree demolition projects.
Defensible Space Creation
We create fire-resistant zones around properties through strategic vegetation management. This includes brush chipping, invasive species removal, and targeted pruning. Our firebreaks meet local fire authority standards while maintaining landscape aesthetics and ecological balance.
Redwood Salvage & Repurposing
We convert removed redwood trees into usable lumber and landscaping materials. This sustainable practice reduces waste while providing customers with premium wood products. Salvaged materials include dimensional lumber for construction and custom picnic tables for commercial clients.
Wood Chip Delivery
We offer free wood chip deliveries to North Bay residents for landscaping and erosion control. This program diverts green waste from landfills while providing organic mulch for soil enrichment. Recipients must have adequate space for delivery truck maneuvering.
People
Zachary Wilder
Owner/Operator
Zachary Wilder, founder and lead arborist, has dedicated his career to tree preservation since childhood. With over 20 years of professional experience, he specializes in hazardous tree assessment and sustainable forestry practices. A certified ISA Arborist (WE-8381A), he combines technical expertise with deep ecological commitment.
Questions
What tree services help maintain home insurance coverage?
Removing overhanging branches and hazardous trees near structures helps meet insurance requirements. Our certified arborists document proper tree maintenance to support insurance renewals.
Do you provide emergency tree services after hours?
Yes, we offer 24/7 emergency response for storm-damaged or failing trees. Our rapid response teams typically arrive within hours of notification to address urgent safety concerns.
How do you handle large-scale vegetation management?
We use excavators and industrial masticators for large brush clearing projects. Our equipment includes 65-foot aerial lifts and cranes for comprehensive vegetation control in wildland-urban interface zones.
Are your arborists certified professionals?
Yes, we employ ISA Certified Arborists and maintain Master Green Building Professional credentials. Our team includes licensed crane operators and certified timber professionals with specialized training.
What sustainability practices do you implement?
We repurpose 100% of removed wood through lumber milling, wood chip programs, and creative reuse projects. Our practices focus on waste reduction and ecological stewardship in all tree care operations.
Videos
Reviews (5)
Curt P.
Mar 29, 2021 Report
Zac and team are great and timely. I've used them on two occasions and each was a success. Prices are fair as each time I got multiple quotes. Trust Zac and team.
Heather B.
Mar 07, 2021 Report
Arborist was great. Very knowledgeable, and honest. Didi in the office was very professional, prompt, and helpful. Crew worked fast and did a nice job with the clean up. Bid was more than fair for two trees.
Jason W.
Feb 19, 2021 Report
Zach is the best! I Had two large pine trees quickly dying in my backyard precariously close to high voltage PG&E wires which always made me nervous. I reached out to a few arborists and Zac responded quickly and was out to inspect the trees fast. He coordinated with PG&E to view the trees and make trims near the wires. In the end, PG&E determined the trees so highly hazardous that they needed to come down asap and they completed the removal themselves. Zac understood the situation and was gracious and professional with me the entire time. He was happy for me that I saved money even
Stephen R.
Dec 09, 2020 Report
Look no further when you need tree work done. Every employee I dealt with from the office to the actual tree trimmers could not have been better. They made the whole process simple
Marianne W.
Oct 31, 2020 Report
The big winds we had last Sunday in Petaluma blew over 1/2 of our very large Ash tree onto the neighbors property, making it more of an emergency situation. After calling three 3 tree service or Arborists, I immediately received a text, phone call and email all from Zach and his staff at Sonoma-Marin Arborists. As my luck would have it, he just so happened to be in Petaluma removing Eucalyptus trees along E. Washington with his Crane! How often do you call an arborist who just happened to be in your neighborhood with a giant crane? A crew of six arrived later that morning with the crane & removed