Understanding sign regulations in City of San Leandro, CA
Every outdoor sign in City of San Leandro is governed by the municipality’s sign ordinance, which sets how large a sign may be, how tall it may stand, how far it must sit from the property line, whether it may be illuminated, and which sign types are permitted in each zoning district. This page summarizes those requirements in plain language and links each value back to the section of the City of San Leandro code it came from.
Sign rules here are layered. The base zoning district — commercial, industrial, or residential — sets the default limits, and overlay districts such as historic or downtown districts can tighten them further. Because the most specific jurisdiction controls, a freestanding monument sign on a commercial parcel and a wall sign in a historic overlay can face very different limits even on the same street in City of San Leandro.
Use the figures below as a fast first check, then run a full address lookup to confirm the exact limits for a specific parcel in City of San Leandro, California. The full report also covers permit requirements, prohibited sign types, and illumination rules — each cited to the source ordinance so your permit application can reference it directly.
Before you order or install a sign in City of San Leandro, confirm three things: the maximum sign area and height allowed in the parcel’s zoning district, the minimum setback from the right-of-way, and whether the sign type you want — freestanding, monument, wall, projecting, or awning — is permitted there at all. Many permit denials come from missing a setback or an overlay-district restriction rather than from the size of the sign itself, so checking the governing section before applying saves a costly resubmittal.
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Authority
Sign Chapter
San Leandro signs are regulated by Zoning Code Chapter 4.12, Signs.
Building Code
Uniform Sign Code
Signs are subject to the Uniform Sign Code requiring building permits for certain signs.
Building Signs
Building Sign Illumination
PERMITTED. Neon signs are allowed if approved per Sec. 4.12.104. Incandescent or fluorescent lighting exceeding 15 watts is prohibited unless approved as part of a Master Sign Plan. No movement, flashing, or stroboscopic illumination is permitted, except for time/temperature or theater-canopy signs. For signs within 100 feet of residential districts, illumination is prohibited between 10:00 p.m. and 7:00 a.m. unless the establishment is open during those hours.
Building Sign Formula
For commercial/industrial districts: up to 55 feet of frontage receives 2 square feet per linear foot; over 55 feet receives 15 times the square root of frontage.
Construction
Support Design
Lateral and columnar sign supports must be architecturally integrated or extra bracing such as angle irons, guy wires, and cables may not be exposed to streets or public passageways.
Directional Signs
Directional Max Height
5 feet
Directional Max Size
4 square feet for signs within 100 feet of public way; 10 square feet for signs more than 100 feet from public way. One double-faced sign per entrance maximum.
Exemptions
Exempt Signs Building Permit Caveat
Listed exempt signs are exempt from Zoning Code regulation, but the exemption does not remove Building Division sign-permit requirements for sign face or copy changes.
Construction Sign
One construction sign per frontage is exempt if it is on a construction site during construction and does not exceed 32 square feet.
Signs may not be installed so that any portion unreasonably interferes with Fire Department ladder, roof/window/exit, access, hose/rescue equipment, standpipe, door, ventilator, or window operations.
Illumination
Residential Proximity Hours
Signs visible from and within 100 feet of an R district may not be illuminated between 10:00 p.m. and 7:00 a.m. unless identifying an establishment open during those hours.
Movement Flashing
Movement, apparent movement, or change in intensity of sign illumination is not permitted, except time/temperature and theater-canopy signs under the chapter; rapidly flashing or stroboscopic lights/signs are prohibited.
Maintenance
Maintenance Required
Signs and sign structures must be maintained in good repair, with braces, bolts, structural parts, supporting frames, and fastenings reasonably free from deterioration, rot, rust, and loosening.
Master Sign Program
Master Sign Program Required
Developments with three or more nonresidential occupants or occupying two acres or more and requiring site plan approval must submit a Master Sign Program before sign permits issue.
Exceptions Allowed
Individual sign applications and Master Sign Programs may propose exceptions from Chapter 4.12 standards, including size and height limits.
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Off Site
Off Site Ads Prohibited
Off-site advertising signs are not permitted in the City, except nonconforming off-site signs may be reconstructed or relocated only under a relocation agreement consistent with state law.
On Premises
District Sign Area
Maximum total sign area per tenant occupancy varies by zoning district; e.g., RD/RO/RS nonresidential uses are capped at 24 square feet with prior Zoning Enforcement Official approval.
Commercial Frontage Area
In listed commercial/industrial districts, up to 55 feet of frontage receives two square feet per lineal foot; sites over 55 feet use 15 times the square root of frontage.
Permits
Permit Required
No sign regulated by Chapter 4.12 may be erected or displayed unless a sign permit or temporary sign permit is obtained.
Review
Administrative Review Required
All signs regulated by Chapter 4.12 are subject to review and approval by the Community Development Director or designee.
Business Identification Only
To approve signs, the Director must find sign copy/graphics are limited to information essential for adequate business identification and avoid clutter or distracting from other signs.
The sign regulations provide sign users an opportunity for effective identification by limiting the number and area of signs on all sites.
Off Premises Limit
The sign regulations limit off-premises signs to maintain visibility of on-premises signs.
Temporary
Temporary Sign Periods
Temporary signs, banners, flags, merchandise displays, and other advertising devices may be placed by tenants for up to two 15-day periods each calendar year with approval.
Temporary Area Cap
Temporary and permanent sign area together may not exceed 150% of permitted permanent sign area.
Temporary Signs
Temp Sign Rules
Two 15-day periods per calendar year; combined temporary and permanent sign area cannot exceed 150% of permitted permanent sign area; approval of Zoning Enforcement Official required.
Temp Signs Allowed
Yes, temporary signs are allowed. A temporary sign permit is required.
Wall Signs
Wall Projection
Wall signs may not project above the eave/parapet and may not project more than two feet from the building face.
Wall Property Line Setback
A wall sign opposite an interior property line must be five feet or one-tenth lot width from the property line, whichever is greater.
Window Signs
Window Area Limit
Window signs may not exceed 25% of the window in which they are located.
Window Sign Count
No more than two window signs are permitted per eligible ground-floor establishment; second-story establishments may be permitted one per window.