Neighbor Fence Rules: Altadena vs Pasadena
How do neighbor fence rules rules compare between Altadena, CA and Pasadena, CA?
Pasadena has fewer restrictions than Altadena.
Altadena, CA
Los Angeles County
CA Good Neighbor Fence Act (Civil Code 841) applies in unincorporated LA County. Adjoining property owners share boundary fence costs equally. The spite fence doctrine (CC 841.4) applies to fences over 10 ft built to annoy neighbors. Hedges serving as fences are subject to the same height restrictions.
View full Altadena rules →Pasadena, CA
Los Angeles County
Pasadena does not require neighbor consent for fence installation. Under California Civil Code, boundary fences are a shared responsibility. The good neighbor rule suggests the finished side face outward.
View full Pasadena rules →Key Facts Comparison
| Fact | Altadena | Pasadena |
|---|---|---|
| Cost Sharing | Equal per CA Civil Code 841 | - |
| Spite Fence | Over 10 ft is nuisance | - |
| Hedges | Same height rules as fences | - |
| Notice | 30 days before construction | - |
| Neighbor Consent | - | Not required |
| CA Civil Code | - | § 841 — shared boundary fence |
| Finished Side | - | Customarily faces outward |
| Survey | - | Recommended before installation |
Highlighted rows indicate differences between cities.
Altadena FAQ
Does my neighbor have to pay for half the fence?
Under CA Civil Code 841, adjoining landowners are presumed to share equally in the cost of a boundary fence. You must give 30 days written notice with the project description and cost estimate before starting work.
What if my neighbor won't pay their share?
You can file a claim in small claims court for up to $12,500. The Good Neighbor Fence Act provides the legal basis for cost-sharing. Keep copies of your 30-day notice and any responses.
What is a spite fence?
A fence over 10 feet tall built with the intent to annoy a neighbor. Under CA Civil Code 841.4, spite fences are private nuisances that can be ordered removed or reduced by a court.
Pasadena FAQ
Do I need my neighbor's permission to build a fence?
No. You can build on your property without consent. California law makes boundary fences a shared responsibility.
Who pays for a fence on the property line?
Under California Civil Code § 841, adjoining owners share the cost of maintaining boundary fences.
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