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Seal Beach · Building on your lot

Building on your lot in Seal Beach

Seal Beach sets its own rules for home businesses and entry features, and has a separate section on residential accessory structures. A home business needs a business license, and the city lists businesses that may not run from a home.

Key points

  • Home businesses: Without a minor use permit, a home business may use 1 room, at most 20% of the home, and host 6 clients at once.
  • Entry features: Arbors, archways and gate structures over walkways or driveways need minor use permit approval (city rule).
  • Accessory structures: The city has a separate code section on residential accessory uses and structures.

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

Fences and walls

Seal Beach code What Seal Beach's code adds
Permit
  • Yes. A minor use permit is required, and the feature must meet the size limits.
    Applies: For walkway and driveway features such as an arbor, archway or gate structure.
    § 11.4.15.025 · code text
    Such architectural features require minor use permit approval pursuant to Chapter 11.5.20: Development Permits, and shall conform to the maximum dimensions and criteria set forth in Figure 11.4.15.025.B: Architectural Features Around Walkways and Driveways.

Running a business from home

Seal Beach code Without a minor use permit, a home business may use 1 room, at most 20% of the home, and host 6 clients at once.

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

Solar panels and EV chargers

Seal Beach code Expedited nondiscretionary building permit; apply in person, by mail or electronically; issued when the application meets the checklist. If the application is incomplete, a written correction notice is available within 10 working days.

All 4 Seal Beach rules on solar panels and EV chargers, with the code text →

Swimming pools

Seal Beach code Fully enclosed by a protective fence that meets the California Building Code. Hot tubs must be enclosed or screened to prevent noise and other disturbance to neighbors.

All 9 Seal Beach rules on swimming pools, with the code text →

Grading and erosion control

Seal Beach code What Seal Beach's code adds
Grading without a permit
  • Work within 2,499 square feet, 50 cubic yards, slopes under 10%; permitted basement or footing digs, 5 feet unsupported max.
    Also: runoff area and new paving 2,499 square feet or less; drainage capacity unchanged; not within 100 feet of bluffs, waterways, high-water mark or wetlands.
    § 9.50.025 · code text
    Excavations below finished grade for basements, building footings, retaining walls or other structures authorized by a building permit provided that the excavation does not have an unsupported height greater than 5 feet after completion of the structure.

Noise and construction hours

Seal Beach code What Seal Beach's code adds
Noise limit at homes
  • Noise above 55 dB(A) may last no more than 30 minutes in any hour.
    Applies: Outdoors at homes in Noise Zone 1, 7 a.m. to 10 p.m.
    § 7.15.015 · code text
    1 | 55 db(A) | 7:00 a.m. - 10:00 p.m.
  • Noise above 50 dB(A) may last no more than 30 minutes in any hour.
    Applies: Outdoors at homes in Noise Zone 1, 10 p.m. to 7 a.m.
    § 7.15.015 · code text
    | 50 db(A) | 10:00 p.m. - 7:00 a.m.
  • Noise above 50 dB(A) may last no more than 5 minutes in any hour.
    Applies: Inside another home, Noise Zone 1, 10 p.m. to 7 a.m.
    § 7.15.020 · code text
    1 | 50 db(A) | 10:00 p.m. - 7:00 a.m.

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

Seal Beach code What Seal Beach's code adds
False alarm fees
  • Penalty fees are set by city council resolution.
    Applies: False alarms above the first 2 in a 12-month period.
    § 5.20.095 · code text
    The false alarm penalty fees shall be set forth by city council resolution.
False alarms before a fee
  • The first 2 false alarms in a 12-month period are considered accidental and carry no penalty fee.
    Applies: Same alarm user.
    § 5.20.095 · code text
    The first 2 false alarms in a 12-month period shall be considered accidental and no penalty fees charged.
Alarm permit
  • A permit is required before installing or maintaining an indirect burglar alarm system.
    Applies: Indirect burglar alarm system on your premises.
    § 5.20.030 · code text
    No person shall install or maintain an indirect burglar alarm system on such person's premises without first having obtained a permit to do so as provided in this chapter.

Signs on homes

Seal Beach code Up to 4 signs per dwelling unit, 6 square feet each; remove or replace within 60 days. No more than 1 real estate sign per public street frontage per lot at any one time.

All 4 Seal Beach rules on signs on homes, with the code text →

Other Seal Beach rules on this

Seal Beach'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 tall can a fence be in Seal Beach?

Arbors, archways and gate structures over walkways or driveways need minor use permit approval (city rule).

How big can a shed or accessory building be in Seal Beach?

The city has a separate code section on residential accessory uses and structures. Seal Beach also has a related rule: Residential accessory uses and structures (§ 11.4.05.100).

What are the grading rules in Seal Beach?

Seal Beach's code: Work within 2,499 square feet, 50 cubic yards, slopes under 10%; permitted basement or footing digs, 5 feet unsupported max. (Also: runoff area and new paving 2,499 square feet or less; drainage capacity unchanged; not within 100 feet of bluffs, waterways, high-water mark or wetlands.) (§ 9.50.025).

What are the noise rules and construction hours in Seal Beach?

Seal Beach's code: Noise above 55 dB(A) may last no more than 30 minutes in any hour. (Outdoors at homes in Noise Zone 1, 7 a.m. to 10 p.m.) (§ 7.15.015); Noise above 50 dB(A) may last no more than 30 minutes in any hour. (Outdoors at homes in Noise Zone 1, 10 p.m. to 7 a.m.) (§ 7.15.015).

Can I run a family child care home in Seal Beach?

California law sets this for every city, including Seal Beach: 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 Seal Beach?

Seal Beach's code: Penalty fees are set by city council resolution. (False alarms above the first 2 in a 12-month period.) (§ 5.20.095); The first 2 false alarms in a 12-month period are considered accidental and carry no penalty fee. (Same alarm user.) (§ 5.20.095).

General information, not legal advice.

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