4 rules for unincorporated San Bernardino County, California.
Verified from official government sources
In San Bernardino County, detached storage sheds of 120 square feet or less, single-story, and without plumbing or electrical do not require a building permit. Larger sheds require permits and must comply with zoning setbacks and building code requirements.
Wood and vinyl fences under 6 feet in San Bernardino County typically do not require a building permit. Masonry walls, retaining walls, and fences over 6 feet require a permit. Front-yard fences are limited to 42 inches in residential zones.
Decks over 30 inches above grade require a building permit in San Bernardino County. Ground-level patios and decks less than 200 square feet that are under 30 inches above grade and not attached to a dwelling generally do not require a permit.
Most renovation work in San Bernardino County requires a building permit if it involves structural changes, electrical, plumbing, or mechanical work. Cosmetic work like painting, flooring, and countertops does not require a permit.
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