# Sign Regulations in Palo Alto, California

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

- **Jurisdiction:** Palo Alto, California (CA)
- **Canonical page:** https://permitpal.io/sign-regulations/california/palo-alto
- **Data last verified:** 2025-07-03
- **Source:** [amlegal municipal code](https://codelibrary.amlegal.com/codes/paloalto/latest/paloalto_ca/0-0-0-91768)

## At a glance

Palo Alto, California regulates 22 sign types across 7 zoning districts. Fuel Price Signs in the General Regulations For All Zones zoning district are capped at 5 ft (unless allowed as part of permitted sign area) tall, 12 sq ft (if requires exceeding sign area otherwise allowed: 3 ft x 4 ft), up to two faces, and 3 ft wide (Sec. 16.20.110). Most commercial signs in Palo Alto require a permit.

## Sign rules by zoning district (7 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| R-1, R-E, R-2 | 5 | 5 ft | 150 sq ft | — |
| Residential Districts (Except R-1, R-E, R-2) | 6 | 5 ft | 150 sq ft | — |
| PC Planned Community Districts | 1 | — | — | — |
| Hospital zone, GM zones, CN zone (El Camino Real frontage), CS zone (El Camino Real frontage) | 2 | 20 ft (for 100 ft frontage) | 40 sq ft (for 100 ft frontage) | — |
| GM zones (General Manufacturing) (other frontages), CN zone (non-El Camino Real), CS zone (non-El Camino Real), Nonresidential Districts | 2 | 12 ft, and not above top of wall | 12 sq ft (for 50 ft frontage) | — |
| HD district | 2 | 12 ft | 30 sq ft | — |
| General Regulations For All Zones | 12 | 8 ft | 60 sq ft | — |

## Zone-by-zone sign requirements (sample of 3 of 7 zones)

### R-1, R-E, R-2

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign | — | 150 sq ft | — | — | Any number per wall face, provided total area does not exceed max | On building wall, within property | — | 16.20.100(f)(4)-(5) |
| Freestanding Sign (<=5 ft) | 5 ft | 12 sq ft | — | — | One per frontage | Wholly on owner's property | — | 16.20.100(f)(4), 16.20.120(b), Table 1 |
| Special Purpose Sign | — | — | — | — | — | — | — | 16.20.100(f)(3) |
| Construction Project Sign | 5 ft (if freestanding) | 12 sq ft | — | — | — | On project site | — | 16.20.160(a)(2) |
| For Sale or Lease Sign | — | 6 sq ft | — | — | — | On the property for sale/lease | — | 16.20.160(b)(1) |

### Residential Districts (Except R-1, R-E, R-2)

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign | — | 150 sq ft | — | — | Any number per wall face, subject to area restriction | On building wall, within property | — | 16.20.100(f)(4)-(5) |
| Freestanding Sign (<=5 ft) | 5 ft | 12 sq ft | — | — | One per frontage | Wholly on owner's property | — | 16.20.100(f)(4), 16.20.120(b) |
| Identifying Sign | — | — | — | — | — | On property/building | — | 16.20.100(f)(2) |
| Special Purpose Sign | — | — | — | — | — | — | — | 16.20.100(f)(3) |
| Construction Project Sign | 5 ft (if freestanding) | 12 sq ft | — | — | — | On project site | — | 16.20.160(a)(2) |
| For Sale or Lease Sign | — | 6 sq ft | — | — | — | On the property for sale/lease | — | 16.20.160(b)(1) |

### General Regulations For All Zones

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Wall Sign (Nonresidential) | Not above top level of wall; signs over walkways must have 7 ft clearance | Varies (e.g., 40 sq ft for 50 ft wall length), see Table 3 | — | — | Any number, total area per wall must not exceed Table 3 | On building wall; signs over walkways must have 7 ft clearance | — | 16.20.130(a)-(d), Table 3 |
| Awning Sign | Not above top of wall | Per Table 3 | — | — | — | On awning of building | — | 16.20.150 |
| Temporary Sign | — | 60 sq ft | — | — | — | Private property only, unless commemorative sign (see below) | — | 16.20.050 |
| Window Sign | — | 20% of window area per wall | — | — | — | On or within 3 ft of interior window face, visible from outside | — | 16.20.160(b)(3) |
| Fuel Price Sign | 5 ft (unless allowed as part of permitted sign area) | 12 sq ft (if requires exceeding sign area otherwise allowed: 3 ft x 4 ft), up to two faces | 3 ft | — | One, may have two faces | Visible from adjacent street/highway | — | 16.20.110 |
| Construction Project Sign (Outside Residential) | 8 ft | Varies by frontage (e.g. 12 sq ft for up to 50 ft frontage) | — | — | — | On project site | — | 16.20.160(a)(2) |
| Directional Sign | 3 ft | 6 sq ft (3 sq ft if within 10-20 ft of property line) | — | At least 20 ft from nearest property line; if 3 sq ft or less area, not less than 10 ft from property line | — | On private property at least 20 ft from property line (or 10 ft if max 3 sq ft) | — | 16.20.160(a)(3) |
| Subdivision Sign | — | 40 sq ft | — | At least 100 ft from any occupied residential property | Max 2 | At least 100 ft away from any occupied residential property | — | 16.20.160(a)(4) |

## Prohibited signs in Palo Alto

- No flashing, moving, or roof signs shall be erected within the city.
- No sign shall be erected or used for advertising purposes of any kind except such signs as shall be located on a place of business, enterprise or calling and used solely for naming, designating or identifying said business, enterprise or calling.
- No sign shall advertise or display the make, brand name or manufacturer's name of any product, article, or service unless the same assists in and is done incidentally to the naming, designating, or identifying of said business, enterprise, or calling.
- No sign shall be placed on any public property, including but not limited to any city building, sidewalk, crosswalk, curb, street lamp post, hydrant, tree, shrub, tree stake or guard, railroad trestle, utility pole or wire, fire alarm system fixture, lighting system, street or traffic sign (except for city-approved parklet signs, commemorative plaques, portable signs, and permitted temporary signs as specified).
- No sign shall be erected such that any portion of the sign or its support is attached to or interferes with the free use of any fire escape, exit, or standpipe, or obstructs any required stairway, door, ventilator, or window.
- No sign shall be placed upon the roof or on the face of any marquee except on a theater.
- No sign shall be erected so as to interfere with, obstruct, confuse, or mislead traffic.
- No sign over three feet in height shall be erected at the intersection of any street improved for vehicular traffic, within a triangular area formed by curb lines (with exceptions for clearances and supports with limited cross-section).
- No person shall maintain or permit to be maintained a sign in a sagging, leaning, fallen, decayed, deteriorated, dilapidated, or unsafe condition.
- No person shall maintain or permit to be maintained a sign which has been abandoned.
- No person shall park any vehicle with an attached or suspended advertising sign on the street or on private property to display, demonstrate, advertise or attract public attention, except as exempted for permitted peddlers.

## Signs exempt from permit in Palo Alto

- Any sign, notice, or advertisement prescribed or required by law, or any notice posted by any lawful officer is exempt.
- Fuel price signs required by law are exempt from architectural review approval and the regular permit fee.
- For sale or lease signs erected on real estate are exempt from design review or permit requirements, subject to size limitations by district.
- Political signs do not require design review or a permit, provided they comply with all relevant provisions including prohibition of placement on public property.
- Window signs (subject to window area and commercial activity conditions) are exempt from design review and permitting.
- Merchandise on display, which does not constitute a 'sign' as defined, is exempt from window sign coverage limitations.

## Sign plan & submission notes

- No sign may be erected without first applying for and receiving architectural review approval of the sign's location, design, and dimensions (design review) per Chapter 16.20.020, unless specifically exempted.
- A master sign program may be submitted for architectural review approval, allowing multiple signs/buildings to be considered under an integrated design concept. Once approved, future signs under the master program do not require further design review.
- Design review (sign plan) is required for 'special purpose signs' in 16.20.160(a) such as directory signs, construction project signs, subdivision signs, and certain murals.
- Application for exceptions (variances) to the regulations may be submitted concurrently with applications for architectural review approval.
- Temporary sign permits may be granted and may be subject to design review approval; however, the chief building official may issue such permits without referral.
- Fuel price signs are exempt from architectural review and permit fees, but a permit is still required and issued without fee.
- Portable signs on public property and certain commemorative plaques require an encroachment permit and architectural review approval.
- After approval of a master sign program, subsequent individual signs within that program can be erected without further design review.

## 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 7 zoning districts in Palo Alto — every sign type, every field — are available with a free PermitPal account: https://app.permitpal.io/?address=Palo+Alto+CA&override=true&utm_source=landing&utm_medium=city-page&utm_campaign=city-palo-alto

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