CP Pier, pier and pad, perimeter foundation, slab-on-grade, or engineered DSA foundation — here is...
Category - California Permits & Planning
Expert guidance and resources on permits, planning, and code requirements for modular buildings and portable classrooms in California.
California Modular Building Occupancy Types: Group E, B, A, F...
Occupancy classification in California is based on how a modular building is used, not that it is...
Stock Modular Buildings in California: Pre-Approved and Ready in Weeks
Stock modular buildings in California are already built and already state-approved, which means 2-6...
HCD Inspection for Used Modular Buildings in California
Quick answer: An HCD inspection for used modular buildings is required in California whenever a...
Questions and Answers About Permits for Modular Buildings in California
What is an HCD Modular Building in California? An HCD modular building is a factory-built structure...
Can I buy a used portable classroom from a California school district?
Can I buy a used 24′ x 40′ DSA portable classroom directly from a California Public...
Converting a DSA Portable Classroom to an HCD Office in California
Can a used 24′ x 40′ California DSA Portable Classroom be remodeled and converted into...
FREE: California Portable Classroom Planning Guide
To receive this free guide for planning a Portable Classroom installation, simply complete the...
2026 Portable Classroom Prices in California (DSA & HCD Certified)
If you’re planning to add classroom space in California, portable buildings can save you time...
How To Guide: Find a Used Portable Classroom in California at Below Market Prices
Used California Portable Classrooms can solve space needs for private schools, churches and...
