Agricultural/Weights and Measures Inspector IV

County of Napa; Napa (CA); On-site; USD 90,000 - 115,000; Full time

Benefits offered by this job

Winter Time Off (WTO) — 32 hours

Job summary

The County of Napa seeks an Agricultural/Weights and Measures Inspector IV to perform the most difficult inspections and lead the team in enforcing regulations within Napa County. The role emphasizes leadership, training, GIS data handling, and strict adherence to procedures.

Ideal candidates will have 3+ years of professional inspection experience, a four-year degree in a related field, eight CDFA licenses, and a California driver’s license, with potential for growth and additional

Qualifications

• Three years of professional experience performing agricultural and weights measures inspection work.
• Bachelor's degree in agriculture or biological sciences, physics, chemistry, engineering, mathematics or related field.

Responsibilities

• Perform the most difficult inspections and enforce agricultural and weights and measures laws.
• Lead worker; guide and train staff; serve as a senior point of contact in program areas.
• Maintain required licenses/certifications and ensure compliance with CDFA licensing.
• Assist Deputy Agricultural Commissioner/Sealer in administrative duties as needed.

Skills

Leadership

Training

GIS

Data management

Attention to detail

Education

Bachelor's degree in agriculture or related field

Tools

Geographic Information Systems (GIS)

Job description

NapaCounty is home to 140,000 residents who share a strong sense of community and a legacy of preserving and protecting our rich agricultural heritage.
Located in the heart of California's preeminent wine region, the Napa Valley is also part of the dynamic San Francisco Bay Metropolitan Area. With its sunny Mediterranean climate and proximity to the mountains and ocean, the Valley offers residents easy access to virtually unlimited shopping, dining, cultural and recreational opportunities.

The Napa Valley's strategic location, natural and cultural resources, history of responsible land use planning and attractive quality of life provide the ideal mix of small town living and big city amenities.

Department Overview

The Napa County Agricultural Commissioner/Sealer of Weights and Measures Department is a vital administrative body responsible for overseeing and regulating agricultural practices and ensuring fair and accurate measurement standards within Napa County, California. This department plays a crucial role in safeguarding the integrity of Napa Valley's renowned wine industry, as well as the broader agricultural sector, by enforcing laws and regulations related to pest control, crop quality, and product labeling. Simultaneously, it safeguards consumer interests by ensuring the accuracy of weights and measures in commercial transactions, contributing to the region's economic and agricultural prosperity while upholding industry and consumer trust.

About the Position

The Agricultural/Weights and Measures Inspector IV is a senior position and works at the most experienced level in the Agricultural/Weights and Measures Inspector job series. The Agricultural/Weights and Measures Inspector IV independently performs the most difficult inspections and assignments in the enforcement of agricultural and weights and measures laws and regulations. The Agricultural/Weights and Measures Inspector IV is required to demonstrate exceptional leadership skills in their assigned program while serving as the lead worker. The Agricultural/Weights and Measures Inspector IV may assist the Deputy Agricultural Commissioner/Sealer of Weights and Measures in their performance of administrative duties.

Ideal Candidate

The ideal candidate will have extensive experience performing the most advanced work in multiple programs within the California Agricultural Commissioner’s system. They will be effective at leading team assignments, guiding the work of other staff and providing training. They will be highly proficient in using computers, working with geographic information systems, and managing data. Additionally, they will have keen attention to detail, excellent organizational abilities, effective communication skills, professional work ethics, and a commitment to following regulations and procedures.

This recruitment is being conducted to fill one full-time vacancy in the Agricultural Commissioner Department. The list established by this recruitment may also be used to fill future full-time, part-time, limited term, and extra help vacancies for up to one year.

Memorandum of Understanding (MOU) – Winter Time Off (WTO):

• 32 hours of Winter Time Off

POSITION REQUIREMENTS

Experience and Education:

To qualify for this classification, an individual must possess any combination of experience and education that would likely produce the required knowledge, skills and abilities. A desirable combination is:

Experience: Three years of professional experience performing agricultural and weights measures inspection work equivalent to work performed by a licensed County Agricultural/Weights and Measures Inspector III.

Education: Graduation from a four-year college with major course work in agriculture or biological science, physics, chemistry, engineering, mathematics or related field. (Any person meeting the minimum qualifications for eligibility for the California Department of Food and Agriculture, County Agricultural Inspector/Biologist Licensing Examinations is deemed to meet the education requirement.)

License or Certificate*: Possession of all eight (8) County Inspector/Biologist Licenses issued by the California Department of Food and Agriculture (CDFA) including: Pesticide Regulation, Pest Prevention and Plant Regulation, Commodity Regulation, Investigation & Environmental Monitoring, Integrated Pest Management, Weight Verification, Measurement Verification and Transaction & Product Verification.

Possession of a Deputy Agricultural Commissioner and Deputy Sealer of Weights and Measures licenses is desirable.

Possession of a valid California Driver's License.

Within nine months of hire, Inspectors may be required to obtain a Class A driver's license, as required by the Department and the program in which they work.

*Any license, certification, or registration required for this position shall be maintained (i.e. active and in good standing) at all times during employment with Napa County. For continued employment with Napa County, you must maintain such license, certification, or registration to meet the minimum qualifications of this position.

The Recruitment Process

• Application Deadline: Monday, October 12, 2026, at 5:00pm PST.
• Application Screening & Supplemental Questions Scoring: Tentatively scheduled for the week of October 12, 2026. Supplemental questions will be scored by subject matter experts. The most qualified applicants from the scoring of the supplemental questions will be invited for an Oral Exam Panel Interview.
• Oral Panel Exam: Tentatively scheduled for the week of November 2, 2026. The most qualified candidates from the interview process will be placed on the eligibility list and may be considered for current and future vacancies for this position for up to one year.

Human Resources reserves the right to make changes, additions or deletions to the examination dates/processes.

View the full job description, including example of duties for Agricultural/Weights and Measures Inspector IV.

Benefits

Click here to learn more about the benefits package for this position.

Disaster Service Worker

Napa County employees automatically become Disaster Service Workers. This means that when Napa County experiences emergencies (earthquake, wildfire, power outage, etc.) you may be asked to pivot from your regular duties to provide critical services to those affected by the emergency (CA Govt Code § 3102).

ADA Accommodation

Applicants requiring accommodation during the application and/or selection process pursuant to the Americans with Disabilities (ADA) Act should contact County of Napa Human Resources at [phone].

Napa County is an Equal Opportunity Employer.