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COVID-19 Updates: Get the latest public information related to coronavirus disease 2019 (COVID-19) at

Due to significant public health concerns from the COVID-19 coronavirus and the need to meet social distancing requirements, the Department of Agriculture/Weights and Measures' offices are currently operating under modified schedules. 

All three of our offices are staffed and have partially re-opened to serve our customers. However, customers are strongly encouraged to call ahead and make appointments for any necessary services. 

Please see the July 2020 Department of Agriculture / Weights and Measures Update for more information on current office hours, or contact us at the Department's main phone line or email.

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Glassy-winged Sharpshooter/Pierce's Disease Control Program

Who can use this service?

Anyone can use this service.

What is the process?

Step 1: Contact Us

For inspection of incoming plant material shipments, the receiver (nursery, landscaper, etc.) will contact one of the County of San Luis Obispo Department of Agriculture/Weights and Measures three offices, or fax shipment documentation to the dedicated Pest Prevention fax line at (805) 781-1035.

Step 2: Staff will call the Receiver

Staff from the County of San Luis Obispo Department of Agriculture/Weights and Measures will respond to the receiver to inform them of our estimated time of arrival.

Step 3: Plant Release

Staff from the County of San Luis Obispo Department of Agriculture/Weights and Measures will inspect plant shipments for Glassy-winged Sharpshooter. They will also verify the required certification accompanies the shipment. If the plants are free from Glassy-winged Sharpshooter, they will be released for sale or planting. 

Is there a charge for this service?

This service is provided free of charge.

When and where is this service offered?

This service is available throughout the year during regular business hours except during scheduled holidays.

Location, directions and hours of operation

Click on location name to show hours of operation, directions and phone information

Arroyo Grande Office

Monday - Friday 8-4

810 West Branch Arroyo Grande, CA 93420

Tel: (805) 473-7090

Fax: (805) 473-7094

Templeton Office

Monday - Friday 8-4

350 North Main Street Templeton, CA 93465

Tel: (805) 434-5950

Fax: (805) 434-5953

San Luis Obispo Office

Monday - Friday 8-5

2156 Sierra Way San Luis Obispo , CA 93401

Tel: (805) 781-5910

Fax: (805) 781-1035

Frequently Asked Questions

Can I buy plants from a nursery in another county and bring them into San Luis Obispo County?

If the plants meet the various quarantine requirements within California and are shipped with the proper certifications.

Do inspectors ever find Glassy-winged Sharpshooter?

Yes. Some of the incoming shipments inspected have been infested. If a shipment is infested, it is rejected and returned to the place of origin.

I think I've seen a glassy-winged sharpshooter. What do I do ?

Try to collect a sample and bring it in to the closest County of San Luis Obispo Department of Agriculture/Weights and Measures Office. If you are unable to collect/or bring in a sample, call the nearest office and we will send someone to your location.

Which counties in California are infested with the Glassy-winged Sharpshooter?

Visit the the California Department of Food and Agriculture Pierce's Disease Control Program to view an updated map of the counties that are currently quarantined for GWSS.