2025 California Residential Code: Highlighting Significant Changes
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Description: This course examines the significant updates, reorganizations and new provisions in the 2025 California Residential Code (CRC). Through six focused modules, the course highlights changes affecting administration, building planning, fire and life safety, structural requirements and construction practices from foundation to roofing. Examples, illustrations, and code comparisons help clarify what changed, why it changed and how these updates impact plan review, inspections, and enforcement. The course is designed for building officials, architects, designers, engineers, plans examiners, field inspectors, and counter technicians.
Course Time: 2 training hours
ICC Preferred Provider Course Number 50195 (0.2 CEUs)
AIA Course Number 10: 2026 (2 LUs|HSW)
Modules:
- Module 1: Administration
- Module 2: Building Planning – Building
- Module 3: Building Planning – Fire and Life Safety
- Module 4: Building Planning – Structural
- Module 5: Building Construction
- Module 6: Bringing It All Together
Learning Objectives:
- Identify the most significant changes introduced in the 2025 California Residential Code compared to the 2022 edition.
- Understand the reasoning and intent behind the major CRC revisions.
- Apply the updated CRC provisions during plan review and field inspections for one- and two-family dwellings and townhouses.
- Recognize how the new CRC updates impact design, construction, and overall code compliance.
- Reference the correct 2025 CRC sections when reviewing plans or verifying field conditions.
Module 1: Administration
Module 2: Building Planning – Building
Module 3: Building Planning – Fire and Life Safety
Module 4: Building Planning – Structural
Module 5: Building Construction
Module 6: Bringing It All Together
Susan M. Dowty, PE, SE
Building Code Consultant
Susan M. Dowty, P.E., S.E., currently serves as a Special Consultant for the California Building Officials (CALBO) and has been involved in the development of CALBO’s On Demand program since its inception. She brings more than 35 years of experience in the development, interpretation, and application of building code provisions.
From 2015 until her retirement in 2023, Ms. Dowty served as a Regional Manager for the Government Relations Department of the International Code Council (ICC), where she provided technical and policy support on the implementation and use of the International Codes (I-Codes). Prior to her role at ICC, Ms. Dowty was Vice President for S.K. Ghosh Associates, a nationally recognized seismic and building code consulting firm. In 2006, Ms. Dowty was appointed by the Governor of California to the California Building Standards Commission, where she served from 2006 to 2010.
She holds a Bachelor of Science degree in Civil Engineering from California Polytechnic State University, San Luis Obispo, and a Master of Science degree in Civil Engineering from California State University, Long Beach.
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