Ione · Building on your lot

Building on your lot in Ione

Ione sets its own height, size and setback limits for accessory buildings and has its own chapter on home occupations. Accessory building height and setbacks depend on floor area and height.

Ask about building on your lot in Ione See coverage

Key points

Accessory buildings: Ione limits accessory buildings of 120 sq ft or less to 16 ft and larger ones to 35 ft or 2 stories.
Home businesses: Ione has a city chapter on home occupations (Ch. 17.110).

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

Sheds, garages and other accessory structures

Ione code Ione limits accessory buildings of 120 sq ft or less to 16 ft and larger ones to 35 ft or 2 stories.

All 8 Ione rules on sheds, garages and other accessory structures, with the code text →

Swimming pools

Ione code What Ione's code adds
Pool barrier	A barrier meeting the California Swimming Pool Safety Act must separate the pool from the public, plus other state rules. § 15.08.085 · code text A barrier complying with, California Swimming Pool Safety Act AV100.3, shall be installed to separate the pool from the general public in addition to the requirements of California Swimming Pool Safety Act AV100.2.

Pets, chickens and bees

Ione code What Ione's code adds
Chickens	Yes, on residential property, in a pen with at least 4 square feet of coop space per bird. § 6.08.030 · code text All poultry kept on residential property shall be kept consistent with the following standards:
Coop setback	At least 15 feet. Applies: Poultry pens, from all property lines. § 6.08.030 · code text Pens shall be setback from all property lines a minimum of 15 feet.

Building in a flood zone

Ione code What Ione's code adds
Floodplain permit	A floodplain development permit is required before any construction or development, including manufactured homes, in a special flood hazard area. § 18.04.130 · code text A floodplain development permit shall be obtained before any construction or other development, including manufactured homes, within any area of special flood hazard established in Section 18.04.070.
Building in a floodway	No new building or development, including fill, unless all development combined raises base flood level no more than 1 foot. Applies: Zone AE, until a regulatory floodway is adopted; measured at any point in the city. § 18.04.220 · code text Until a regulatory floodway is adopted, no new construction, substantial development, or other development (including fill) shall be permitted within zone AE, unless it is demonstrated that the cumulative effect of the proposed development, when combined with all other development, will not increase the water surface elevation of the base flood more than one foot at any point within the city. No fill, new building, substantial improvement or other development unless certified to cause no rise in flood levels. Applies: Inside an adopted regulatory floodway. § 18.04.220 · code text Within an adopted regulatory floodway, the city shall prohibit encroachments, including fill, new construction, substantial improvements, and other development, unless certification by a registered civil engineer is provided demonstrating that the proposed encroachment shall not result in any increase in flood levels during the occurrence of the base flood discharge.
Height of the lowest floor	The lowest floor must be at least 2 feet above the base flood elevation (BFE). Applies: New or substantially improved homes, including electrical, heating, plumbing and air conditioning equipment. § 18.04.170 · code text Elevated at least two feet above the base flood elevation (BFE). 2 feet above the FIRM depth number, measured from the highest nearby grade. Applies: New or substantially improved homes in an AO zone when a depth number is given. § 18.04.170 · code text In an AO zone, elevated above the highest adjacent grade to a height two feet above the depth number specified in feet on the FIRM, or elevated at least four feet above the highest adjacent grade if no depth number is specified. At least 4 feet above the highest nearby grade. Applies: New or substantially improved homes in an AO zone when no depth number is given. § 18.04.170 · code text In an AO zone, elevated above the highest adjacent grade to a height two feet above the depth number specified in feet on the FIRM, or elevated at least four feet above the highest adjacent grade if no depth number is specified.

Noise and construction hours

Ione code 7:00 a.m. to 9:00 p.m., Monday through Thursday. Until 10:00 p.m., Friday through Sunday and on federal or state holidays.

All 5 Ione rules on noise and construction hours, with the code text →

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 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)

Parking spaces required for homes

Ione code What Ione's code adds
Parking in the front yard	A front yard may not be used for off-street parking. Applies: A required side yard abutting a street also may not. Single-family homes may add spaces beyond the 2 garage spaces in interior side yards. § 17.40.040 · code text Neither a required side yard abutting a street, nor a front yard, shall be used for off-street parking, except that for single-family residential uses, parking spaces beyond the minimum requirement (the two garage spaces) may be allowed within required interior side yards.
Spaces for a single-family home	2 garage spaces. Applies: Single-family residential uses. § 17.40.040 · code text parking spaces beyond the minimum requirement (the two garage spaces) may be allowed within required interior side yards.

Signs on homes

Ione code Up to 3 flags or poles on properties under 1 acre; up to 6 on properties over 1 acre. Poles may be at most 30 feet high.

All 5 Ione rules on signs on homes, with the code text →

Trash and recycling carts

Ione code What Ione's code adds
Where carts are kept	Store solid waste on the owner or occupant's premises or property. § 8.04.210 · code text The property owner or occupant shall store solid waste on his premises or property or shall require it to be stored or handled in such a manner so as not to promote the propagation, harborage, or attraction of vectors, or the creation of nuisances.

Other Ione rules on this

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

Home occupations (Ch. 17.110)
Parking a travel trailer on streets and private land (Ch. 10.10) — trailers built for sleeping in
Garage, estate and rummage sales (Ch. 5.15)
Development impact fees (Ch. 3.18)

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I run a business from my home in Ione?

Ione has a city chapter on home occupations (Ch. 17.110). Ione also has a related rule: Home occupations (Ch. 17.110).

What are the pool fence and setback rules in Ione?

Ione's code: A barrier meeting the California Swimming Pool Safety Act must separate the pool from the public, plus other state rules. (§ 15.08.085).

Can I keep chickens or bees at my home in Ione?

Ione's code: Yes, on residential property, in a pen with at least 4 square feet of coop space per bird. (§ 6.08.030); At least 15 feet. (Poultry pens, from all property lines.) (§ 6.08.030).

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

Ione's code: A floodplain development permit is required before any construction or development, including manufactured homes, in a special flood hazard area. (§ 18.04.130); The lowest floor must be at least 2 feet above the base flood elevation (BFE). (New or substantially improved homes, including electrical, heating, plumbing and air conditioning equipment.) (§ 18.04.170).

Can I run a family child care home in Ione?

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

How many parking spaces does a home need in Ione?

Ione's code: A front yard may not be used for off-street parking. (A required side yard abutting a street also may not. Single-family homes may add spaces beyond the 2 garage spaces in interior side yards.) (§ 17.40.040); 2 garage spaces. (Single-family residential uses.) (§ 17.40.040).

When can trash carts go out to the curb in Ione?

Ione's code: Store solid waste on the owner or occupant's premises or property. (§ 8.04.210).

General information, not legal advice.

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