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Santa Clara County, CA Sidewalk & Pedestrian Rules: Obstruction Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Removal deadline
5 days after written notice
Low-limb threshold
Under 10 feet over street
Sight triangle
40 feet from curb intersection
Applies to
Unincorporated Santa Clara County only

Summary

Trees, hedges, and shrubs that block sightlines or block sidewalk and street passage in unincorporated Santa Clara County are a declared public nuisance owners must remove.

City-specific rules exist: Santa Clara, Mountain View, Sunnyvale, and San Jose have their own obstruction rules rules that differ from Santa Clara County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

The existence upon the right-of-way or sidewalk of any public street, or upon any premises abutting thereon, of trees, shrubs, weeds or hedges which in any manner interfere with the unobstructed view from vehicles of safety signals and approaching traffic is hereby declared to be a public nuisance and prohibited as unlawful.

(Ord. No. NS-703.9, 5-18-04)

Sec. B17-69. - List of obstructions. The following shall be a nonexclusive list of obstructions which under this article are deemed to obstruct the view from vehicles traveling on public streets and the passage of pedestrians on the sidewalks and of vehicles on the rights-of-way abutting thereon:

Source: Santa Clara County Code EnforcementView official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 65).

Full Breakdown

County law declares it a public nuisance for trees, shrubs, weeds, or hedges on a right-of-way, sidewalk, or abutting premises in unincorporated Santa Clara County to interfere with the view of safety signals or approaching traffic. Listed obstructions include tree limbs hanging lower than ten feet over a street or sidewalk, and hedges, shrubs, or fences taller than three feet within the 40-foot sight triangle at a street intersection. After the Director gives written notice, the owner, tenant, or person in control of the property has five days to remove the obstruction or face enforcement.

Violations & Fines

Failing to remove a cited obstruction within five days of the Director's written notice is unlawful under Sec. B17-70.

Frequently Asked Questions

How tall can a hedge be near a corner in unincorporated Santa Clara County?
A hedge, shrub, or fence within the 40-foot sight triangle at a street intersection cannot exceed three feet above the street's engineering crest under Sec. B17-69.
What happens if I don't trim an obstructing tree after notice?
It is unlawful to leave the obstruction in place more than five days after the Director's written notice under Sec. B17-70.

Sources & Official References

Other rules in Santa Clara County

All Santa Clara County rules

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Obstruction Rules in Cities Across Santa Clara County