Fence Requirements: Mission Viejo vs Santa Ana
How do fence requirements rules compare between Mission Viejo, CA and Santa Ana, CA?
Mission Viejo and Santa Ana have similar restriction levels.
Mission Viejo, CA
Orange County
Unincorporated Orange County fences must comply with Zoning Code Section 7-9-64: height limits by setback area, a 3.5-foot cap in sight-visibility triangles at driveways and intersections, no chain-link in front setbacks, and a building permit for fences or walls over six feet. Swimming-pool fencing has separate state safety rules.
View full Mission Viejo rules →Santa Ana, CA
Orange County
Unincorporated Orange County fences must comply with Zoning Code Section 7-9-64: height limits by setback area, a 3.5-foot cap in sight-visibility triangles at driveways and intersections, no chain-link in front setbacks, and a building permit for fences or walls over six feet. Swimming-pool fencing has separate state safety rules.
View full Santa Ana rules →Key Facts Comparison
| Fact | Mission Viejo | Santa Ana |
|---|---|---|
| Governing section | Zoning Code Sec. 7-9-64 | Zoning Code Sec. 7-9-64 |
| Height measurement | Base to top, greater of interior/exterior side | Base to top, greater of interior/exterior side |
| Driveway/intersection sight triangle | 3.5 ft max within 5 ft of intersection | 3.5 ft max within 5 ft of intersection |
| Street-corner sight triangle | 3.5 ft max, 15 ft triangle | 3.5 ft max, 15 ft triangle |
| Front setback fencing | No chain-link | No chain-link |
| Building permit | Required over 6 ft (42 in. in front) | Required over 6 ft (42 in. in front) |
Highlighted rows indicate differences between cities.
Mission Viejo FAQ
Are there sight-visibility rules for fences near my driveway or corner?
Yes. Section 7-9-64(d) limits fences, walls, and hedges to 3.5 feet within five (5) feet of where a street right-of-way meets your property line, driveway, accessway, or alley. Section 7-9-64(e) applies a 3.5-foot limit within a triangle measured 15 feet back from a street-intersection corner.
Can I put a chain-link fence in my front yard?
Not within the required front setback. Section 7-9-64(b)(3) prohibits chain-link fencing in a front setback area in unincorporated Orange County. Chain-link may be allowed elsewhere on the lot subject to the applicable height limits.
Santa Ana FAQ
Are there sight-visibility rules for fences near my driveway or corner?
Yes. Section 7-9-64(d) limits fences, walls, and hedges to 3.5 feet within five (5) feet of where a street right-of-way meets your property line, driveway, accessway, or alley. Section 7-9-64(e) applies a 3.5-foot limit within a triangle measured 15 feet back from a street-intersection corner.
Can I put a chain-link fence in my front yard?
Not within the required front setback. Section 7-9-64(b)(3) prohibits chain-link fencing in a front setback area in unincorporated Orange County. Chain-link may be allowed elsewhere on the lot subject to the applicable height limits.
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