County of Alameda

Tree Trimmer-Climber (#9550)

Bargaining Unit: BTC - Crafts and Trades (002)
$44.94-$44.94 Hourly / $3,595.20-$3,595.20 BiWeekly /
$7,789.60-$7,789.60 Monthly / $93,475.20-$93,475.20 Yearly

Under general supervision, to climb and trim trees; to do cutting, felling and other phases of tree removal work; and to do related work as required.


Incumbents of this position are responsible for performing a variety of tasks necessary for the trimming, care and removal of trees and have lead responsibility over a small crew. The Tree Trimmer-Climber classes report to the Field Maintenance Supervisor and are found only in the Public Works Agency.

NOTE: The following are the duties performed by employees in this classification. However, employees may perform other related duties at an equivalent level. Each individual in the classification does not necessarily perform all duties listed.
1. Climbs trees with the aid of ropes, adjusting safety belt or other rigging.
2. Trims or removes excess, dead or diseased limbs and branches, using hand or power tools; lowers cut limbs by slings and lines.
3. Trims trees from the ground; assists in picking up trimmings, chipping brush and removing wood and loading logs onto a truck.
4. Uses hand and power tools to cut brush along roadside and creek banks.
5. Drives and operates a boom truck and operates power equipment from the truck.
6. Leads a small crew to pick up trimmings, chipping brush and removing wood and loading logs onto a truck.
7. May assign work to laborers, fills out timesheet as requested by supervisor.

Either I

The equivalent of two years full-time experience in the class of Laborer or an equivalent or higher class working on tree crews or doing various types of work associated with trees in the Alameda County classified service. (Non-classified includes District Attorney’s Office, Hospital Authority and the Consolidated Courts.)


The equivalent of two years full-time experience in trimming and caring for trees, including experience in climbing.


Possess and maintain a valid California Motor Vehicle Class B Driver’s License. Candidates must submit evidence from the DMV showing current status of their license at the time of application and must have a clean driving record for the previous three-year period.


Possession of Certified Tree Worker or Certified Arborist status as issued by the International Society of Arboriculture (ISA).

NOTE: The Civil Service Commission may modify the above Minimum Qualifications in the announcement of an examination.

NOTE: The level and scope of the following knowledge and abilities are related to duties listed under the “Examples of Duties” section of this specification.

Knowledge of:

• Methods, materials, tools and equipment used in the care, trimming and removal of trees.
• Proper maintenance of tree trimming tools and equipment.
• Safety rules and practices in tree removal and trimming work.
• Traffic control and safety.
• ISA pruning, trimming and removal methods.

Ability to:

• Work at a considerable height above the ground.
• Climb trees using ropes and climbing gear rigging with skill and confidence.
• Use and maintain tree-trimming tools and equipment with skill and safety.
• Operate and use a hydraulic boom truck and various tools used in tree trimming work.
• Follow oral and written instructions.
• Deal and respond effectively with the public’s requests and concerns.
• Leads a small crew (2-3 people).
• Communicate effectively orally.
• Communicate effectively in writing, write clear and concise reports.
• Use good judgment in decision making.

Working Conditions:

• Tree Trimmer-Climbers are subject to 24 hour call out.
• Tree Trimmer-Climbers are subject to work in all weather conditions.
• Tree Trimmer-Climbers are subject to work in all noise levels and high traffic areas.
• Tree Trimmer-Climbers are subject to work near overhead utilities.

JGS:lfm Revised: 3/3/81
CSC Date: 3/16/81
Retyped: 10/85
Retyped: 6/16/86
Old doc: 0892h
New doc: 9550.doc
RC:pf Revised 5/27/03
CSC Date: 7/9/03
RC:pf Revise 9/26/05
CSC Date: 11/9/2005
MH:po Revised 10/5/07
CSC Date: 1/30/2008
MH:cs Revised 2/3/15
CSC Date: 5/27/15


Alameda County offers a comprehensive and competitive benefits package that affords wide-ranging health care options to meet the different needs of a diverse workforce and their families. We also sponsor many different employee discount, fitness and health screening programs focused on overall well being.  These benefits include but are not limited to*:

For your Health & Well-Being

  • Medical – HMO & PPO Plans
  • Dental – HMO & PPO Plans
  • Vision or Vision Reimbursement
  • Share the Savings
  • Basic Life Insurance 
  • Supplemental Life Insurance (with optional dependent coverage for eligible employees) 
  • County Allowance Credit
  • Flexible Spending Accounts - Health FSA, Dependent Care and Adoption Assistance
  • Short-Term Disability Insurance
  • Long-Term Disability Insurance
  • Voluntary Benefits - Accident Insurance, Critical Illness, Hospital Indemnity and Legal Services
  • Employee Assistance Program

For your Financial Future

  • Retirement Plan - (Defined Benefit Pension Plan)
  • Deferred Compensation Plan (457 Plan or Roth Plan)

For your Work/Life Balance

  • 11 paid holidays
  • Floating Holidays
  • Vacation and sick leave accrual
  • Vacation purchase program
  • Catastrophic Sick Leave
  • Group Auto/Home Insurance
  • Pet Insurance
  • Commuter Benefits Program
  • Guaranteed Ride Home
  • Employee Wellness Program (e.g. At Work Fitness, Incentive Based Programs, Gym Membership Discounts)
  • Employee Discount Program (e.g. theme parks, cell phone, etc.)
  • Child Care Resources
  • 1st United Services Credit Union 

*Eligibility is determined by Alameda County and offerings may vary by collective bargaining agreement.  This provides a brief summary of the benefits offered and can be subject to change.