SB253 Compliance Consulting | CA Climate Corporate Data Accountability Act

The Regulation

CA SB253 Climate Corporate Data Accountability Act

California Senate Bill 253 requires all entities with annual revenue greater than $1 billion and 'doing business' in California to report greenhouse gas emissions across Scopes 1, 2, and 3 to the California Air Resources Board beginning in 2026.

Requirements

Emissions Disclosure

Scope 1

Direct emissions from owned or controlled sources—fuel combustion, vehicles, manufacturing.

Scope 2

Indirect emissions from purchased electricity, steam, heating, and cooling.

Scope 3

Value chain emissions—suppliers, transportation, product use, end-of-life.

Key Deadlines

2026 Scope 1 and 2 reporting begins with limited assurance

2027 Scope 3 emissions reporting commences

2030 Reasonable assurance required for Scope 1 and 2

Non-Compliance Risk

$500,000

per reporting year

Your Compliance Partner

The ECO Advantage

ECO, Incorporated is the world's leading engine and vehicle emissions certification consulting firm, specializing in regulatory analysis for on-road and off-road manufacturers.

Our team of engineers, legal advisors, and certification specialists work exclusively in emissions compliance—EPA, CARB, and now Senate Bill 253.

Mechanical Engineers Legal Advisors Certification Specialists CARB Expertise

25+

Years

500+

Certifications

40+

Clients

100%

Compliance