Fence Regulations in Palo Alto, CA (2026)
7 verified fence regulations for Palo Alto, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Height Limits
Palo Alto limits fences to 6 feet in rear and side yards and 3 feet in front yards under PAMC 18.40.090, with sight-triangle rules at corners.
Palo Alto Fence Height Limits
Heavy RestrictionsPermit Requirements
Palo Alto requires a building permit for fences over 7 feet tall or any retaining-wall combination exceeding 4 feet; fences at or under 6 feet generally do not need a permit.
Palo Alto Fence Permits
Some RestrictionsNeighbor Fence Rules
California Civil Code 841 (Good Neighbor Fence Act) presumes equal cost-sharing between adjoining property owners, and Palo Alto requires 30-day written notice before building or replacing a shared fence.
Palo Alto Neighbor Fence Rules
Some RestrictionsCalifornia Civil Code Section 841 (Good Neighbor Fence Act)
(a) Adjoining landowners shall share equally in the responsibility for maintaining the boundaries and monuments between them. (b) (1) Adjoining landowners are presumed to share an equal benefit from any fence dividing their properties and, unless otherwise agreed to by the parties in a written agreement, shall be presumed to be equally responsible for the reasonable costs of construction, maint...
Retaining Walls
Palo Alto requires a building permit for any retaining wall over 3 feet tall or supporting a surcharge, with engineered drawings required above 4 feet under PAMC Title 16.
Palo Alto Retaining Wall Rules
Some RestrictionsPool Barriers
Palo Alto enforces California Health and Safety Code 115920 requiring pool barriers at least 60 inches tall with self-closing, self-latching gates for all residential pools and spas.
Palo Alto Pool Barrier Rules
Heavy RestrictionsCalifornia Health and Safety Code Section 115920 (Swimming Pool Safety Act)
Health and Safety Code - HSC DIVISION 104. ENVIRONMENTAL HEALTH [106500 - 119406] PART 10. RECREATIONAL SAFETY [115725 - 116095] CHAPTER 5. Safe Recreational Water Use [115825 - 116090.7] ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929] 115920. This act shall be known and may be cited as the Swimming Pool Safety Act. (Added by Stats. 1996, Ch. 925, Sec. 3.5. Effective January 1, 1997.)
Fence Requirements
Palo Alto requires fences to be structurally sound, maintained in good condition, and compliant with Dark Sky lighting rules, height limits, and VHFHSZ wildfire standards in the foothills.
Palo Alto Fence Requirements
Heavy RestrictionsMaterial Restrictions
Palo Alto prohibits barbed wire, razor wire, and electrified fencing in residential zones, and requires non-combustible materials within 5 feet of structures in the foothills VHFHSZ.
Palo Alto Fence Material Rules
Heavy RestrictionsLooking for Santa Clara County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Palo Alto city rules.
Fence Regulations in Santa Clara County →