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Yuba County · Building on your lot

Building on your lot in Yuba County

Yuba County's code applies only in unincorporated areas of the county. Many of its fence, accessory structure and home business rules differ inside and outside the valley growth boundary.

Key points

  • Fence height: County fences are limited to 8 feet outside front and street side yards; in the valley growth boundary, front-yard fences to 3 feet.
  • Accessory structures: Within the valley growth boundary, no single county accessory structure may exceed the primary building's ground floor area, except agricultural uses.
  • Home business: County home businesses may use 25% of the dwelling's floor area, including attached garages, and need a zoning clearance or self certification.

Each rule below is marked Yuba County code or CA state law and links to the section it comes from (checked October 2026). General information, not legal advice.

Yuba County's code applies in the unincorporated areas of the county. Cities in Yuba County have their own codes and their own pages.

Fences and walls

Yuba County code County fences are limited to 8 feet outside front and street side yards; in the valley growth boundary, front-yard fences to 3 feet.

All 7 Yuba County rules on fences and walls, with the code text →

Sheds, garages and other accessory structures

Yuba County code What Yuba County's code adds
Size or lot coverage
  • No single accessory structure may be larger than the ground floor area of the primary building.
    Applies: Within the valley growth boundary, except agricultural uses.
    § 11.19.030 · code text
    Within the valley growth boundary, excluding agricultural uses, no single accessory structures shall exceed the ground floor area of the primary building.
Side and rear setback
  • No setback for one accessory structure under 8 feet tall and under 120 square feet.
    Applies: Others meet their zone setbacks. Uncovered decks and patios under 18 inches are exempt. Valley growth boundary: front setback only for decks, patios, fences.
    § 11.19.030 · code text
    one accessory structure less than eight feet in height and less than 120 square feet in area.

Running a business from home

Yuba County code County home businesses may use 25% of the dwelling's floor area, including attached garages, and need a zoning clearance or self certification.

All 20 Yuba County rules on running a business from home, with the code text →

RV and boat parking

Yuba County code In a driveway, side yard or rear yard. Not allowed in a required front yard or street-side setback, except on driveways.

All 4 Yuba County rules on RV and boat parking, with the code text →

Solar panels and EV chargers

Yuba County code The system cannot be taller than the maximum legal building height. Expedited applications get priority; complete documents get health and safety review only, then the permit; 1 final inspection.

All 4 Yuba County rules on solar panels and EV chargers, with the code text →

Swimming pools

Yuba County code The gap from the ground to the bottom of the enclosure can be at most 2 inches. Gaps cannot let a sphere 4 inches or more in diameter pass through.

All 19 Yuba County rules on swimming pools, with the code text →

Grading and erosion control

Yuba County code What Yuba County's code adds
Steepest cut or fill slope
  • Cut slopes may be no steeper than 2:1.
    Applies: Permanent cuts; steeper in solid bedrock if the geotechnical report recommends it; the agency may require 3:1.
    § 11.23.070 · code text
    The slope of cut surfaces of permanent excavations shall not be steeper than two feet horizontal to one foot vertical (2:1) exclusive of terraces and exclusive of rounding described herein.
  • Fill slopes may be no steeper than 2:1.
    Applies: Permanent fills, unless a soils report supports a steeper slope.
    § 11.23.070 · code text
    The slope of permanent fills shall not be steeper than two feet horizontal to one foot vertical (2:1), exclusive of terraces and exclusive of roundings described herein, unless a soils report supports a steeper slope as recommended by the geotechnical engineer.

Park and impact fees for new homes

Yuba County code No development impact fee for buildings accessory to a legal home. $3.57 per square foot.

All 5 Yuba County rules on park and impact fees for new homes, with the code text →

Noise and construction hours

Yuba County code What Yuba County's code adds
Construction hours on weekdays
  • 7:00 a.m. to 10:00 p.m.
    Applies: Every day, in or within 500 feet of residential zones; annoying outside construction from 10:00 p.m. to 7:00 a.m. needs a permit; emergencies excepted.
    § 8.20.310 · code text
    between the hours of 10:00 p.m. of one day and 7:00 a.m. of the following day

Outdoor lighting

Yuba County code What Yuba County's code adds
Light at the property line
  • one-half foot-candle
    Applies: onto a residentially zoned property or any property containing residential uses
    § 11.26.070 · code text
    No light, combination of lights, or activity shall cast light onto a residentially zoned property, or any property containing residential uses, exceeding one-half foot-candle.
Shielding
  • Lights must aim away from neighboring properties and streets; floodlight glare may not shine onto other property or streets.
    § 11.26.070 · code text
    Lights shall be placed to deflect light away from adjacent properties and public streets, and to prevent adverse interference with the normal operation or enjoyment of surrounding properties. Direct or sky-reflected glare from floodlights shall not be directed into any other property or street.

Family child care homes

CA state law California law
Zoning
A small or large family child care home is a residential use and a use by right under all local ordinances, including zoning
Business license or fee
A city or county may not charge a business license, fee or tax to run a family child care home
Local rules
Local limits on height, setbacks, lot size, health and safety must be the same as for every other home in the same zone
Small home
Up to eight children, counting the provider's own children under 10 who live there
Large home
7 to 14 children, counting the provider's own children under 10 who live there

Home alarm permits and false alarms

Yuba County code What Yuba County's code adds
Alarm permit
  • File alarm system permit applications with the Sheriff's Office.
    Applies: Persons who operate or maintain an alarm system.
    § 8.90.030 · code text
    All applications for alarm system permits shall be filed with the Sheriff's Office on such forms as the Sheriff may prescribe.
When a permit can be revoked
  • 3 in 30 days, 5 in 90 or 6 in 180: 15-day suspension; revoked if suspended in prior 12 months.
    § 8.90.090 · code text
    An alarm system shall be deemed to actuate excessive false alarms where there are three false alarms within 30 consecutive days, five false alarms within 90 consecutive days or six false alarms within 180 consecutive days.

Signs on homes

Yuba County code 1 wall sign, 4 square feet in area, 6 feet in height. Address signs need no permit.

All 10 Yuba County rules on signs on homes, with the code text →

Trash and recycling carts

Yuba County code Remove containers within 24 hours after collection. No earlier than 24 hours before collection

All 4 Yuba County rules on trash and recycling carts, with the code text →

Other Yuba County rules on this

Yuba County's code also has these chapters. We have not summarized their values on this page yet; read them in the library.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

How big can a shed or accessory building be in Yuba County?

Within the valley growth boundary, no single county accessory structure may exceed the primary building's ground floor area, except agricultural uses.

What are the grading rules in Yuba County?

Yuba County's code: Cut slopes may be no steeper than 2:1. (Permanent cuts; steeper in solid bedrock if the geotechnical report recommends it; the agency may require 3:1.) (§ 11.23.070); Fill slopes may be no steeper than 2:1. (Permanent fills, unless a soils report supports a steeper slope.) (§ 11.23.070).

What are the noise rules and construction hours in Yuba County?

Yuba County's code: 7:00 a.m. to 10:00 p.m. (Every day, in or within 500 feet of residential zones; annoying outside construction from 10:00 p.m. to 7:00 a.m. needs a permit; emergencies excepted.) (§ 8.20.310).

What are the outdoor lighting rules for homes in Yuba County?

Yuba County's code: Lights must aim away from neighboring properties and streets; floodlight glare may not shine onto other property or streets. (§ 11.26.070); one-half foot-candle (onto a residentially zoned property or any property containing residential uses) (§ 11.26.070).

Can I run a family child care home in Yuba County?

California law sets this for every city, including Yuba County: Zoning: A small or large family child care home is a residential use and a use by right under all local ordinances, including zoning (Health & Safety Code § 1597.45(a)); Business license or fee: A city or county may not charge a business license, fee or tax to run a family child care home (Health & Safety Code § 1597.45(b)); Local rules: Local limits on height, setbacks, lot size, health and safety must be the same as for every other home in the same zone (Health & Safety Code § 1597.45(e)); Small home: Up to eight children, counting the provider's own children under 10 who live there (Health & Safety Code § 1596.78(c)); Large home: 7 to 14 children, counting the provider's own children under 10 who live there (Health & Safety Code § 1596.78(b)).

Do I need a permit for a home alarm in Yuba County?

Yuba County's code: File alarm system permit applications with the Sheriff's Office. (Persons who operate or maintain an alarm system.) (§ 8.90.030); 3 in 30 days, 5 in 90 or 6 in 180: 15-day suspension; revoked if suspended in prior 12 months. (§ 8.90.090).

General information, not legal advice.

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