Plan Review

The Service Request Plan Review Team reviews Hazardous Materials Construction Permit Applications and attachments and performs construction-related inspections to ensure that hazardous materials storage and handling systems are installed and maintained in compliance with codes and regulations enforced by HMCD's Hazardous Materials Program.

Applicability

Underground Storage Tank Systems

  • Plan review and approval is required prior to installing, retrofitting, upgrading or repairing any UST system storing or intended for the storage of a hazardous substance at any facility located in an unincorporated area of Santa Clara County or within the cities of Los Altos, Los Altos Hills, Milpitas, Monte Sereno, Morgan Hill, Palo Alto, San Jose, or Saratoga.

Aboveground Storage Tank Systems and Hazardous Materials Storage/Handling Facilities

  • Plan review and approval is required prior to constructing, retrofitting, upgrading or repairing any hazardous materials storage or handling system at any facility located in an unincorporated area of Santa Clara County or within the cities of Los Altos Hills, Monte Sereno, or Saratoga.

Toxic Gas Systems

  • Plan review and approval is required prior to constructing, retrofitting, upgrading or repairing any system regulated pursuant to the Toxic Gas Ordinance at any facility located in an unincorporated area of Santa Clara County.

Plan Review Process

Please review the Plan Submittal Requirements for Hazardous Materials Systems​

For Underground Storage Tank Installation, Upgrading or Retrofitting

For Aboveground Storage Tanks and Hazardous Materials Storage Facility Construction

Toxic Gas Systems

Review of complex projects may take a bit longer, but our goal is to complete plan review and either issue approval or provide details regarding deficiencies within 10 working days of receiving all of the information that makes up a complete submittal. If information is missing or the plan review fee is not paid, your project will remain in our Service Request intake process and will not be reviewed until you provide the missing pieces. If you carefully review the submittal instructions and provide all required information, you will help avoid unnecessary delays.

Please note that additional plan check reviews and approvals may be required from other agencies such as the Fire authority having jurisdiction (AHJ) for Fire Code compliance, the local building authority (i.e., County Office of Development Services or City Building Department), Bay Area Air Quality Management District (BAAQMD), etc.

Guidance Documents

Forms

Fees

Fees are based on the type of project. For current plan review fees, click here.

Authority

Underground Storage Tank Systems

Aboveground Storage Tank Systems and Hazardous Materials Storage/Handling Facilities

Toxic Gas Systems

Frequently Asked Questions (FAQ)

To see answers to FAQs about plan review, click here.

©2021 County of Santa Clara. All rights reserved.