Fontana ADA Signage Requirements
2026 California Building Code Compliance Guide
Applicable Codes and Standards
Americans with Disabilities Act - 2010 Standards for Accessible Design
Section 703: Signs: Signs
Federal accessibility requirements for tactile and visual signage in public accommodations and commercial facilities.
California Building Code Title 24, Part 2, Chapter 11B
Chapter 11B: Accessibility
California accessibility requirements that often exceed federal ADA standards.
Important: California CBC requirements often exceed federal ADA standards. Signs must comply with the more restrictive California requirements, including stricter Braille spacing (1/10") and mandatory geometric door symbols.
International Building Code - Signage
Section 1110
Model code signage requirements referenced by most U.S. jurisdictions.
Local Enforcement Notes (Fontana)
Jurisdiction
City of Fontana
County
San Bernardino County, California
Enforcement Authority
Fontana Building Department
Code Edition
CBC 2025 Triennial (effective Jan 1, 2026)
Stricter-than-Federal Requirements
- Enhanced seismic bracing required per CBC Zone 4
Inspector's Note
Distribution center signage requires enhanced visibility standards per Fontana logistics corridor requirements.
Measurement and Mounting Specifications
Inspector-enforced requirements for ADA and Title 24 compliant signage
| Requirement | Value | Code Reference |
|---|---|---|
| Mounting height | 48"-60" AFF to centerline | ADA 703.4.1 |
| Character height (raised) | 5/8" minimum, 2" maximum | ADA 703.2.5 |
| Braille spacing | 1/10" between dots (California) | CBC 11B-703.3.1 |
| Contrast ratio | 70% minimum | ADA 703.5 |
| Tactile character projection | 1/32" minimum | ADA 703.2.1 |
| Character stroke width | 10%-30% of character height | ADA 703.2.6 |
| Braille dot spacing | 1/10 inch (0.100") center to center | CBC 11B-703.3.1 |
| Geometric symbol size | 12 inches nominal diameter/height | CBC 11B-703.7.2.6 |
| Geometric symbol mounting height | 12 inches above tactile sign (centered) | CBC 11B-703.7.2.6 |
| Tactile character case | Uppercase only | CBC 11B-703.2.3 |
| Tactile sign finish | Non-glare, eggshell, matte, or equivalent | CBC 11B-703.5.2 |
California Note: The California Building Code (CBC) Chapter 11B requirements shown above are more restrictive than federal ADA standards. Signs installed in California must meet CBC specifications.
Common Reasons for Inspection Failure
Based on publicly available enforcement guidance and inspection trends in Fontana
Sign mounted outside 48"-60" AFF range
Code Reference: ADA 703.4.1
Remedy
Verify centerline measurement from finish floor before installation
Missing California geometric door symbols (12" triangle/circle)
Code Reference: CBC 11B-703.7.2.6
Remedy
Install separate 12" geometric symbol above tactile sign in California
Non-compliant Braille dot spacing
Code Reference: CBC 11B-703.3.1
Remedy
Ensure 1/10" spacing per California standards (stricter than federal)
Sign mounted on wrong side of door
Code Reference: ADA 703.4.2
Remedy
Install on latch side, 6" from frame edge
Insufficient contrast between characters and background
Code Reference: ADA 703.5
Remedy
Use minimum 70% light reflectance contrast
To meet these requirements, compliant signage typically includes pre-verified mounting specifications and California-specific Braille formatting.
Compliant Signage Options
To meet Fontana's Title 24 and ADA requirements, compliant signage typically includes:
- Pre-verified California Braille spacing (1/10")
- Mounting height specifications for 48"-60" AFF installation
- California geometric door symbols (12" triangle/circle)
- Seismic bracing hardware for signs over 10 lbs
Compliance Verification Notice
This information is provided for general reference purposes only. Local inspectors and authorities having jurisdiction (AHJ) have final authority over code interpretation and enforcement.
Before ordering signage, SpecCodes recommends:
- Contacting your local Building Department (Fontana)
- Reviewing current permit requirements for your project
- Confirming any local code amendments that may apply
Legal Notice: This content does not constitute legal advice. SpecCodes provides compliance information as a reference resource only. Users are responsible for verifying all requirements with their local jurisdiction before installation.
Compliance Information Verified
Jan 16, 2026
CBC 2025 Triennial
Effective January 1, 2026
California Building Standards Commission