Permits & Regulations in Orange County
Understanding what your project requires — and how CCSI handles it all for you.
Kitchen & Bathroom Remodels
Depends on Scope
- Cosmetic updates (paint, fixtures, hardware) typically don’t require permits
- Moving plumbing, relocating electrical, changing layout, removing walls = permits required
- Typical permit cost: $400–$2,500 depending on scope
- CCSI pulls all necessary permits and schedules inspections
ADU Construction
Always Required
- All ADUs require building permits in Orange County
- California updated laws (AB 68, SB 13) allow most single-family properties to build
- Reduced setback requirements (4 ft rear/side for most cities)
- Impact fees reduced or eliminated for units under 750 sq ft
- CCSI handles: architectural plans, Title 24 energy compliance, structural engineering, coordination with planning department
Home Additions & Second Stories
Always Required
- Any addition changing footprint or height requires permits, structural engineering, and multiple inspections
- Includes room additions, bump-outs, and second-story additions
- Zoning considerations: setbacks, lot coverage, height limits
- CCSI’s design-build model = one team from plans through final inspection
Electrical & Plumbing Work
Always Required
- New circuits, panel upgrades, plumbing modifications all require separate permits
- Must be done by licensed sub-contractors who pull their own permits
- CCSI works with licensed, insured electricians and plumbers
How CCSI Handles Your Permits
Included in Service
- Prepare all required architectural plans and documents
- Submit permit applications to the appropriate city department
- Coordinate with the building department during plan review
- Address any corrections or plan check comments
- Schedule and pass all required inspections during construction
- Obtain final sign-off and certificate of occupancy
All included in CCSI’s design-build service — no extra fees for permit management. You never need to visit city hall.
Typical Permit Timeline
1
Plan Prep
1–2 weeks
2
City Review
2–6 weeks
3
Corrections
1–2 weeks
4
Approved!
Common Permit Mistakes Homeowners Make
Starting work before permits are approved
Hiring a contractor who says they “don’t need” permits
Not disclosing unpermitted work when selling
Assuming cosmetic changes never need permits
Ignoring Title 24 energy compliance requirements
Inspections During Construction
1
Foundation
Before concrete is poured
2
Framing
After walls, roof, and structural work
3
Rough MEP
Mechanical, electrical, plumbing before closing walls
4
Insulation
Before drywall
5
Final
Complete project review and sign-off
Frequently Asked Questions
Have Questions About Permits?
We’ll walk you through exactly what’s needed for your project.