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Eureka · Building on your lot

Building on your lot in Eureka

Eureka sets its own limits on accessory structures and home businesses. Home businesses that meet all standards need a zoning clearance; others need a minor use permit.

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Key points

  • Home businesses: Eureka limits home businesses to 10 client vehicle trips a day, visits from 8 a.m. to 8 p.m., and 2 on-site non-resident employees.
  • Accessory structures: In R Districts, Eureka limits accessory structures in required rear yards to 500 square feet or 10% of the yards, whichever is greater.

Each rule below is marked Eureka 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

Eureka code In R Districts, Eureka limits accessory structures in required rear yards to 500 square feet or 10% of the yards, whichever is greater.

All 3 Eureka rules on sheds, garages and other accessory structures, with the code text →

Running a business from home

Eureka code Eureka limits home businesses to 10 client vehicle trips a day, visits from 8 a.m. to 8 p.m., and 2 on-site non-resident employees.

All 10 Eureka rules on running a business from home, with the code text →

Tree removal

Eureka code Allowed in emergencies with a zoning clearance: tree in immediate danger of collapse and an imminent threat to public safety. A minor or conditional gulch greenway permit.

All 11 Eureka rules on tree removal, with the code text →

Pets, chickens and bees

Eureka code At most 4 beehives per lot. 1 more beehive for each extra 2,500 sq ft, up to 8 beehives per parcel.

All 11 Eureka rules on pets, chickens and bees, with the code text →

Building in a flood zone

Eureka code What Eureka's code adds
Floodplain permit
  • You need a development permit before any construction or other development, including manufactured homes, in any special flood hazard area.
    § 153.015 · code text
    A development permit shall be obtained before any construction or other development, including manufactured homes, within any area of special flood hazard established in § 153.007.
Building in a floodway
  • No new construction or development, including fill, unless all development together raises base flood levels no more than 1 foot.
    Applies: Applies in Zones A1-30 and AE until a regulatory floodway is adopted.
    § 153.022 · code text
    Until a regulatory floodway is adopted, no new construction, substantial development, or other development (including fill) shall be permitted within Zones A1-30 and 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, construction or other encroachment unless a registered civil engineer certifies it will not raise base flood levels.
    Applies: Applies within an adopted regulatory floodway.
    § 153.022 · 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 or above the base flood elevation.
    Applies: New homes and substantial improvements in AE, AH and A1-30 zones.
    § 153.017 · code text
    In AE, AH, A1-30 Zones, elevated to or above the base flood elevation.
  • Lowest floor: above the highest adjacent ground, at least as high as the flood map's base flood elevation.
    Applies: New or substantially improved homes in an AO zone when the flood map shows a base flood elevation in feet.
    § 153.017 · code text
    In an AO zone, elevated above the highest adjacent grade to a height equal to or exceeding the base flood elevation specified in feet on the FIRM, or elevated at least two feet above the highest adjacent grade if no base flood elevation is specified.
  • The lowest floor must be at least 2 feet above the highest adjacent ground.
    Applies: New or substantially improved homes in an AO zone when no base flood elevation is shown.
    § 153.017 · code text
    In an AO zone, elevated above the highest adjacent grade to a height equal to or exceeding the base flood elevation specified in feet on the FIRM, or elevated at least two feet above the highest adjacent grade if no base flood elevation is specified.
  • The lowest floor must be at or above the base flood elevation.
    Applies: New or substantially improved homes in an unnumbered A zone, where the flood map shows no base flood elevation.
    § 153.017 · code text
    In an A zone, without base flood elevations specified on the FIRM (unnumbered A zone), elevated to or above the base flood elevation; as determined under § 153.014(C).

Outdoor lighting

Eureka code Light fixtures may be no higher than 16 feet. Lighting may put no more than 1 foot-candle of light on a neighbor's property.

All 4 Eureka rules on outdoor lighting, 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)

Signs on homes

Eureka code Compliant temporary signs, including for-sale post signs on residential property, need no zoning clearance or Department approval. Post signs such as for-sale signs may be displayed for up to 180 days.

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

Trash and recycling carts

Eureka code Garbage collection is mandatory. Curbside recycling collection is mandatory.

All 6 Eureka rules on trash and recycling carts, with the code text →

Historic homes

Eureka code City approval is required, after notice and a hearing. Design approval is required before a zoning permit is issued.

All 6 Eureka rules on historic homes, with the code text →

Other Eureka rules on this

Eureka'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 Eureka flood zone?

Eureka's code: You need a development permit before any construction or other development, including manufactured homes, in any special flood hazard area. (§ 153.015); The lowest floor must be at or above the base flood elevation. (New homes and substantial improvements in AE, AH and A1-30 zones.) (§ 153.017).

Can I run a family child care home in Eureka?

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

General information, not legal advice.

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Eureka Municipal Code — full text

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Eureka overview

Zoning districts in Eureka

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