Coverage · Katy, TX

Katy, Texas sign rules

159 confirmed rules from the City of Katy's sign code for 9 sign types, each quoted word for word with its code section and a link to the official source. Last checked Nov 14, 2026.

What the confirmed rules cover

Wall sign rules in Katy

Allowed in some districts. 23 confirmed rules: permit required, maximum area, minimum clearance, number allowed, illumination, electronic message limits, permit fee, other limit.

Example: Maximum area, Property with One Nonresidential Activity50%Applies to: Wall signs may not occupy more than 50 percent of the total wall surface“Each (activity) shall place no more than three (3) on-premise wall signs, which shall not occupy more than fifty (50) percent of the total…”§ 21.4-1.a(1)(ii) · View source · last checked Nov 14, 2026

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Channel letters rules in Katy

Allowed in some districts. 22 confirmed rules: permit required, maximum area, minimum clearance, number allowed, illumination, electronic message limits, permit fee, other limit.

Example: Maximum area, Property with One Nonresidential Activity50%Applies to: Wall signs may not occupy more than 50 percent of the total wall surface; channel letters affixed to a building wall are wall signs under § 21.3-5“Each (activity) shall place no more than three (3) on-premise wall signs, which shall not occupy more than fifty (50) percent of the total…”§ 21.4-1.a(1)(ii) · View source · last checked Nov 14, 2026

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Monument sign rules in Katy

Allowed, with conditions. 28 confirmed rules: permit required, maximum area, maximum height, minimum clearance, number allowed, illumination, electronic message limits, permit fee, other limit.

Example: Maximum area, Integrated Business Development100 sq ft (1 sq ft per 5 linear ft of lot frontage, max 100 sq ft (total of all freestanding community signs))Applies to: Freestanding community sign“The total area for all freestanding community signs shall not exceed one (1) square foot for each five (5) linear feet of lot frontage…”§ 21.4-1.b(2) · View source · last checked Nov 14, 2026

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Pole or pylon sign rules in Katy

Allowed, with conditions. 30 confirmed rules: permit required, maximum area, maximum height, minimum clearance, number allowed, illumination, electronic message limits, permit fee, other limit.

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Blade or projecting sign rules in Katy

Not allowed. 20 confirmed rules: permit required, minimum clearance, number allowed, minimum setback, illumination, electronic message limits, permit fee, other limit.

Example: Minimum setback, Property with One Nonresidential Activity2 ftApplies to: Projecting sign extension, measured behind the curbline“on-premise projecting signs may extend up to ten feet (10') outward from the building to which they are attached as long as such extension…”§ 21.4-1.a(2) · View source · last checked Nov 14, 2026

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Awning or canopy sign rules in Katy

Not allowed. 18 confirmed rules: permit required, minimum clearance, number allowed, illumination, electronic message limits, permit fee, other limit.

Example: Number allowed1Applies to: Service stations: petroleum-supplier brand sign on overhead canopies, name and/or logo of the supplier only, one sign on each canopy face“provided the sign shall contain only the name and/ or logo of the supplier and there is only one sign on each canopy face.”§ 21.4-1-1 · View source · last checked Nov 14, 2026

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Window sign rules in Katy

1 confirmed rule: permit required.

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Electronic message sign rules in Katy

Not allowed. 9 confirmed rules: electronic message limits.

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Temporary banner rules in Katy

Not allowed. 8 confirmed rules: permit required, maximum area, minimum clearance, number allowed, other limit.

Example: Maximum area100 sq ftApplies to: Temporary sign (cloth, canvas, light fabric, cardboard, wallboard or other light material)“Any sign constructed of cloth, canvas, light fabric, cardboard, wallboard, or other light material not to exceed one hundred (100) square feet in size.”§ 21.3-11 · View source · last checked Nov 14, 2026

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13 more lines could not be confirmed by our automatic checks, so no figures are shown for them. A lookup lists them with the section to check.

Before you file in Katy

Planned development districtsMuch of Katy (Katy Mills, Cane Island, Katy Boardwalk, Young Ranch and others) is zoned PDD. The sign section (Zoning Ordinance § 21) does not mention PDDs; a PDD ordinance may set its own sign rules. Check with the city first.
Shopping centers follow different rulesKaty's sign limits depend on whether the property has one business or is an integrated business development (shopping center, strip center, more than one commercial activity, or a large platted commercial development) (§ 21.4-1). Temporary and portable signs are prohibited in integrated business developments (§ 21.4-1.b(4)).
No LED or digital signsNo CEVMS (LED/digital changeable sign) or sign with LEDs not shielded from view is allowed in Katy or its extraterritorial jurisdiction (§ 21.5-1-2). Spectacular signs are prohibited (§ 21.4-1.a(3)).
Residential streetsOn a predominantly residential right-of-way, ground signs have lower height and area limits and electrical signs are limited to indirect lighting (§ 21.4-2).

Official sources

Permits: The City of Katy sign permit office. Zoning districts: Katy zoning map.

Not legal advice. The city has the final say. Planned developments, master sign plans and special sign districts can override the general sign code. Check the linked section before you file.

Rules are extracted from official city documents by AI and checked automatically, not reviewed by a person. How the checks work

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