Skip to content

Isleton · Building on your lot

Building on your lot in Isleton

Isleton sets its own limits for fences in R-1 districts, for accessory structures in yards, and for home businesses. Fence height depends on the yard, and home businesses need a planning commission use permit.

Key points

  • Fence height: Isleton limits R-1 fences to 3 ft in the required front yard; 7 ft along side and rear lines and corner street sides.
  • Yard structures: Isleton allows accessory and garden structures in required rear and interior side yards only if they are less than 7 ft tall.
  • Home businesses: Isleton home businesses need a use permit, may have at most 4 customers a day, and may employ only residents.

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

Fences and walls

Isleton code Isleton limits R-1 fences to 3 ft in the required front yard; 7 ft along side and rear lines and corner street sides.

All 4 Isleton rules on fences and walls, with the code text →

Sheds, garages and other accessory structures

Isleton code Isleton allows accessory and garden structures in required rear and interior side yards only if they are less than 7 ft tall.

All 9 Isleton rules on sheds, garages and other accessory structures, with the code text →

Running a business from home

Isleton code Isleton home businesses need a use permit, may have at most 4 customers a day, and may employ only residents.

All 5 Isleton rules on running a business from home, with the code text →

Pets, chickens and bees

Building in a flood zone

Isleton code What Isleton's code adds
Floodplain permit
  • A development permit is required before construction or development begins in any special flood hazard area.
    § 5.52.120 · code text
    A development permit shall be obtained before construction or development begins within any area of special flood hazards, established in 5.52.070.
Height of the lowest floor
  • The lowest floor, including a basement, must be at or above the base flood elevation.
    Applies: New or substantially improved homes.
    § 5.52.200 · code text
    New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated to or above the base flood elevation.

Garage and yard sales

Isleton code What Isleton's code adds
How long a sale may last
  • A sale may last no longer than 3 days.
    Applies: R or RM zoning districts.
    § 1311 · code text
    Commonly referred to as "yard sales" or "garage sales," such sales shall be conducted for periods no longer than three days, and un-sold possession shall be removed from public view and stored within the premises.
Sales per year
  • No more than 4 sales per year.
    Applies: R or RM zoning districts.
    § 1311 · code text
    The sale of personal possessions, whether within or outside of a dwelling within an R or RM zoning district shall be limited to no more than four such sales per year.

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

Signs on homes

Isleton code What Isleton's code adds
Home business signs
  • One non-illuminated name plate, up to 2 square feet.
    § 1201 · code text
    The existence of a home occupation shall not be apparent beyond the boundaries of the site except for one non-illuminated name plate affixed to the dwelling not exceeding two square feet in area (e.g., dimensions of one foot by two feet).

Other Isleton rules on this

Isleton'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

What are the rules for building in an Isleton flood zone?

Isleton's code: A development permit is required before construction or development begins in any special flood hazard area. (§ 5.52.120); The lowest floor, including a basement, must be at or above the base flood elevation. (New or substantially improved homes.) (§ 5.52.200).

What are the garage sale rules in Isleton?

Isleton's code: No more than 4 sales per year. (R or RM zoning districts.) (§ 1311); A sale may last no longer than 3 days. (R or RM zoning districts.) (§ 1311).

Can I run a family child care home in Isleton?

California law sets this for every city, including Isleton: 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)).

What signs may I put up at my home in Isleton?

Isleton's code: One non-illuminated name plate, up to 2 square feet. (§ 1201).

General information, not legal advice.

Ask about a specific Isleton property

Ask GoCodebook how these rules apply to your address and get an answer that cites the section.

Ask your question

More on Isleton