SB 253 deadline: November 10, 2026

A Scope 1 & 2 filing that meets CARB's standard — done before November 10.

Modus Group helps California companies subject to SB 253 turn messy data into a compliant filing — AI-assisted, human-reviewed.

Start your compliance review See pricing

~2,600

Entities on CARB's preliminary SB 253 list

Nov 10

Scope 1 & 2 filing deadline, 2026

CA-only

We work exclusively with California-jurisdiction clients

CARB pushed the first-year Scope 1 & 2 deadline from August 10 to November 10, 2026 — a procedural extension, not a substantive change. Most companies haven't restarted their vendor search yet. We have.

Nov 10, 2026

Modus Data Intelligence

One pipeline, four stages, one filing you can stand behind.

Ingest

We pull your raw activity, utility, and fleet data — however fragmented it currently lives.

Clean

AI-assisted workflows flag gaps, outliers, and inconsistencies a manual pass would miss or take weeks to catch.

Validate

A GHG professional checks every material judgment call against GHG Protocol methodology before the filing moves forward.

Report

A CARB-ready Scope 1 & 2 filing, documented well enough to defend under audit.

Pricing

Priced for the work, not padded for the deadline.

Limited

Good faith effort

$5,500 flat

CARB grants first-year filers enforcement discretion for a good-faith effort — no third-party assurance required. This tier meets that standard: existing data, cleaned and filed correctly.

Activity & utility data cleaning
Scope 1 & 2 calculation
CARB-ready filing package

Early engagement rate — reverts to standard pricing after

Tier 1 · Core compliance

$9,500 from

Single-entity Scope 1 & 2 data cleanup and filing support.

Activity & utility data cleaning
Scope 1 & 2 calculation
CARB-ready filing package

Tier 2 · Full service

$21,500 from

Multi-facility data cleanup, Scope 3 readiness, and filing support.

Everything in Tier 1
Multi-facility consolidation
2027 Scope 3 readiness plan

Consultant one-off

$3,000 from

Overflow capacity for consulting firms during peak season.

Defined-scope project support
Your client relationship stays yours

White-label retainer

$10–15K /mo

Ongoing overflow capacity for consulting partners.

Priority turnaround
Dedicated capacity, no branding

Why AI-assisted

The bottleneck was never the science. It was the spreadsheet.

Traditional approach

Weeks of manual data reconciliation

Outliers caught late, if at all

Rush fees compound near deadlines

Documentation assembled after the fact

Modus Data Intelligence

Data cleaned in days, reviewed by a GHG professional

Gaps and outliers flagged automatically, first pass

Speed built into the process, not billed as an upcharge

Audit-ready documentation from day one