# Sign Regulations in Clayton, California

Sign permit rules, size and height limits, setbacks, and ordinance citations for Clayton, California, compiled by PermitPal from the jurisdiction's published municipal code.

- **Jurisdiction:** Clayton, California (CA)
- **Canonical page:** https://permitpal.io/sign-regulations/california/clayton
- **Data last verified:** 2025-03-26
- **Source:** [municode municipal code](https://library.municode.com/CA/Clayton/codes/Municipal_Code?nodeId=TIT15BUCO_CH15.08SIPR)

## At a glance

Clayton, California regulates 17 sign types across 4 zoning districts. Residential Open House Signs in the General Regulations For All Zones zoning district are capped at 3 feet tall, 3 feet height, 2 feet width, and 2 feet wide (Sec. 15.08.070.F). Most commercial signs in Clayton require a permit.

## Sign rules by zoning district (4 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| R-10, R-12, R-15, R-20, R-40, R-40-H, M-R, M-R-M, M-R-H, PF, A | 3 | 8 feet | 60 square feet | — |
| L-C | 7 | 8 feet | 60 square feet | — |
| PD | 3 | 8 feet | 60 square feet | — |
| General Regulations For All Zones | 10 | 6 feet | 16 square feet | — |

## Zone-by-zone sign requirements (sample of 3 of 4 zones)

### R-10, R-12, R-15, R-20, R-40, R-40-H, M-R, M-R-M, M-R-H, PF, A

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Noncommercial Locational Sign | 8 feet | 24 square feet | — | — | — | — | — | 15.08.060.A, 15.08.070.G |
| Neighborhood/District Entry Sign | 6 feet | — | — | — | — | — | — | 15.08.060.A, 15.08.070.A |
| Subdivision Marketing Sign | 8 feet | 60 square feet | 8 feet | — | — | Within the boundaries of the subdivision | — | 15.08.060.A, 15.08.070.Subdivision Marketing Sign Program |

### L-C

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Noncommercial Locational Sign | 8 feet | 24 square feet | — | — | — | — | — | 15.08.060.C, 15.08.070.G |
| Neighborhood/District Entry Sign | 6 feet | — | — | — | — | — | — | 15.08.060.C, 15.08.070.A |
| Master Sign Plan | — | — | — | — | — | — | — | 15.08.060.C, Master Sign Plan |
| Commercial Center Entry Sign | 8 feet | — | — | — | One sign per entrance | Near each main vehicular entrance | — | 15.08.060.C, 15.08.070.B |
| Subdivision Marketing Sign | 8 feet | 60 square feet | 8 feet | — | — | Within the boundaries of the subdivision | — | 15.08.060.C, 15.08.070.Subdivision Marketing Sign Program |
| Ground Sign | 8 feet | 24 square feet | — | — | — | — | — | 15.08.060.C |
| Building Sign | — | 12 square feet | — | — | — | — | — | 15.08.060.C |

### General Regulations For All Zones

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Address Sign | — | 2 square feet | — | — | — | — | — | 15.08.040 |
| Building Marker | — | 4 square feet | — | — | — | — | — | 15.08.040 |
| Temporary Noncommercial Sign | — | 16 square feet | — | — | — | Private real property | — | 15.08.040 |
| Wall Sign - Historical Significance | — | 4 square feet | — | — | — | — | — | 15.08.040 |
| Residential Open House Sign | 3 feet | 3 feet height, 2 feet width | 2 feet | — | One on-site sign and up to six off-site signs | Residential uses | — | 15.08.070.F |
| Personal Property Sale Sign | 3 feet | 3 feet height, 2 feet width | 2 feet | — | One on-site sign and up to six off-site signs | Residential uses | — | 15.08.070.F |
| Real Estate Sign - Residential | 6 feet | 6 square feet | — | — | One on-site sign per frontage | Front or side yard frontage | — | 15.08.070.Real Estate Signs |
| Real Estate Sign - Commercial | 6 feet | 12 square feet | — | — | One on-site sign per frontage | Front or side yard frontage | — | 15.08.070.Real Estate Signs |

## Prohibited signs in Clayton

- Animated signs.
- Flags used in a commercial manner or to advertise a business or its location.
- Signs that by color, wording, design, location, or illumination resemble or conflict with any traffic-control device or with safe and efficient flow of traffic.
- Signs that obstruct the free and clear vision of or create confusion for motorists or pedestrians.
- Signs with lighting detrimental to surrounding property or prevents peaceful enjoyment of residential uses.
- Banners and pennants, except as provided in Section 15.08.070 of this chapter.
- Roof signs.
- String pennants.
- Balloons and similar inflatable signs.
- Permanent signs mounted on fences or deck/balcony railings.
- Portable signs except as provided in Section 15.08.070 of this chapter.
- Temporary signs are prohibited in the public right-of-way except for signs for city-sponsored community events in location(s) approved by the City.
- Signs located on private property without the property owner's approval.
- Off-site signs except for: Temporary noncommercial signs, Residential open house signs, Garage or yard sale signs, Signs attached to trees, shrubs, or other natural features.
- Mobile billboard operating on a street or other public place within the City in which the public has the right of travel.

## Signs exempt from permit in Clayton

- Address signs, provided the sign does not exceed two (2) square feet in area.
- Public information, identification, civic event, and directional signs erected by a public agency or public utility.
- Incidental signs.
- Legal notices posted by law.
- Building markers, provided the sign does not exceed four (4) square feet in area and is not illuminated.
- Signs displayed by private individuals, when required by law or regulations of any governmental agency.
- Temporary noncommercial signs on private real property, provided the individual sign displayed does not exceed sixteen (16) square feet in area, with no limit on the aggregate signage displayed at one time.
- Wall signs indicating the historical significance of a site or building, provided the sign does not exceed four (4) square feet in area and is not illuminated.
- Signs displayed in the interior of a building, mall, court, stadium, or enclosed lobby more than three (3) feet from an exterior window or door and intended for interior viewing only.
- Multiple address signs, provided the individual signs do not exceed four (4) inches by twenty-four (24) inches.
- Residential open house signs for a home sale in accordance with the standards of Section 15.08.070 of this chapter.
- Flags, provided they are not used in a commercial manner or to advertise a business or its location.
- Murals containing no commercial message, provided the mural has intrinsic artistic value or appeal regardless of the business in the building on whose wall the mural is painted.
- Personal property sale signs, in accordance with the standards of Section 15.08.070 of this chapter.
- Real estate signs in accordance with the provisions of Section 15.08.070 of this chapter.
- Portable signs in accordance with the provisions of Section 15.08.070 of this chapter.
- Banners and pennants in accordance with the provisions of Section 15.08.070 of this chapter.
- Community event signs not exceeding twenty-four (24) square feet in area.

## Sign plan & submission notes

- Master sign plans.
- Any sign proposed for a property consistent in terms of size, number, and location with a previously-approved master sign plan.
- Planning Commission Review and Approval for master sign plans.
- At the discretion of the City or one or more property owners, a master sign plan may be established for a shopping center, business area, office park, or similar identifiable geographic area.

## Full detail

This page publishes an overview of every zoning district plus a sample of 3 districts in full. Complete zone-by-zone requirements for all 4 zoning districts in Clayton — every sign type, every field — are available with a free PermitPal account: https://app.permitpal.io/?address=Clayton+CA&override=true&utm_source=landing&utm_medium=city-page&utm_campaign=city-clayton

---

PermitPal — AI sign code research. Full HTML page: https://permitpal.io/sign-regulations/california/clayton