What Katy Regulates: A Complete Ordinance Overview

Katy, Texas may not be the biggest city in the state, but it has its own set of local rules that residents need to follow. With 40 tracked ordinances across 18 categories, there is more here than you might expect.

Katy takes a lighter touch compared to many cities. More than half of its ordinances sit at the more permissive end of the scale. That does not mean there are no rules, but enforcement tends to focus on clear violations rather than minor infractions.

Short-Term Rentals

Insurance Requirements: Katy requires every permitted short-term rental to maintain qualifying general liability insurance and provide proof of coverage during the application and renewal process..

Also covered: Noise Rules (moderate), Taxes & Fees (moderate), Short-Term Rental Parking Rules (limited). See the full short-term rentals guide for Katy for details.

Noise Ordinances

Vehicle Noise: Katy makes it illegal to run a car stereo, radio, or amplifier so loudly it disturbs neighbors. Between 11:00 p.m.

Also covered: Quiet Hours (limited), Leaf Blower Rules (permissive), Barking Dogs (limited). See the full noise ordinances guide for Katy for details.

Sign Regulations

Garage Sale Signs: Katy prohibits posting garage sale signs and other bandit signs in public rights-of-way, on utility poles, traffic signs, or attached to public infrastructure..

Also covered: Holiday Displays (permissive). See the full sign regulations guide for Katy for details.

Fire Regulations

Fireworks: Katy prohibits the manufacture, sale, possession, and discharge of all fireworks inside city limits under Article 5.07 of its Code of Ordinances. Violators face fines from $25 to $200 per offense and the Fire Marshal will seize and destroy any fireworks found..

Food Trucks & Mobile Vendors

Food Truck Permits: Katy requires every food truck and mobile food unit to obtain a city Mobile Food Vendor permit under Ordinance 3086, valid for one year. Operators must also display a current Harris County or Fort Bend County health permit before selling food in the city..

Also covered: Sidewalk & Mobile Vending (permissive). See the full food trucks & mobile vendors guide for Katy for details.

Property Maintenance

Vacant Lot Maintenance: Owners of vacant lots in Katy must keep weeds under nine inches and prevent rubbish, stagnant water, or pest harborage on the parcel..

Also covered: Property Blight (limited). See the full property maintenance guide for Katy for details.

Landscaping Rules

Weed Ordinances: Katy defines weeds as rank, uncultivated growth taller than nine inches and forbids them on residential and manufactured-home lots. After a 10-day notice, the city cuts the growth, charges the owner an administrative fee plus actual cost, and files a lien..

Also covered: Tree Removal & Heritage Trees (limited). See the full landscaping rules guide for Katy for details.

Building Safety

Building Permits: Katy has adopted the 2021 International Building Code and International Residential Code by reference, so a permit issued by the city's Permit and Building Services Division must be secured before new construction, additions, remodeling, or roofing begins..

Environmental Rules

Flood Elevation Requirements: New construction and substantial improvements in Katy's FEMA special flood hazard area must set the finished floor at least 12 inches, one foot of freeboard, above the base flood elevation, or above the street centerline, curb top, or 500-year level, whichever is highest..

Also covered: Erosion Control (moderate). See the full environmental rules guide for Katy for details.

Business Licensing & Operations

Adult Entertainment: Katy requires a city license and a special use permit to run a sexually oriented business, and the site must sit at least 1,500 feet from churches, schools, day cares, parks, homes, and R-1/R-2/R-3/C-1 zoned land, plus 1,000 feet from another such business..

Parking Rules

Abandoned Vehicles: Katy's nuisance code requires owners to keep property free of junked vehicles and authorizes police to impound abandoned vehicles, with a 45-day inoperability test and mandatory abatement orders..

Also covered: Street Parking Limits (limited), Commercial & Oversized Vehicles (limited). See the full parking rules guide for Katy for details.

Soliciting & Door-to-Door

Solicitor Permits: Under Ordinance No. 2243, anyone engaged in home solicitation, charitable solicitation, or itinerant peddling in Katy must obtain a permit and register with the Katy Police Department before knocking on doors..

Also covered: No-Knock Registry (limited). See the full soliciting & door-to-door guide for Katy for details.

Animal Ordinances

Chickens & Livestock: Katy forbids keeping chickens or any fowl on a tract smaller than one acre. On an acre or more, you may keep up to 25 fowl, all confined to closed pens and sited at least 100 feet from any neighboring home or business..

Also covered: Exotic Pets (limited), Dog Leash Laws (limited), Pet Limits (limited). See the full animal ordinances guide for Katy for details.

Trash & Recycling

Pickup Rules & Schedules: The City of Katy collects garbage and recycling weekly by color zone - Blue on Monday, Red on Tuesday, Yellow on Wednesday - through Texas Pride Disposal. Find your zone on the service map at cityofkaty.com.

Also covered: Bulk Item Disposal (limited). See the full trash & recycling guide for Katy for details.

Mobility & Curb Rules

Red-Light Cameras: Katy operates no red-light cameras. Texas Transportation Code Section 707.020 forbids every local authority, home-rule cities included, from implementing or operating a photographic traffic signal enforcement system on its streets since June 2, 2019..

Fence Regulations

Height Limits: Katy's Code of Ordinances and Zoning Ordinance (Exhibit 14A) do not set a numeric maximum fence height for residential lots and require no building permit for fence construction. Corner lots must preserve sightlines at intersections, and almost every Katy subdivision is governed by HOA deed restrictions that typically cap fences at 6 to 8 feet.

Home Business

Signage Rules: Katy regulates signs through Article 3.06 of Chapter 3, restricting moving and intermittent lights and prohibiting unpermitted off-premises signs in residential districts where home occupations operate..

Also covered: Home Daycare (limited). See the full home business guide for Katy for details.

Swimming Pools & Spas

Fencing & Safety Requirements: Katy adopted the 2021 International Swimming Pool and Spa Code and 2021 IRC (effective Jan 1, 2024), which require a 48-inch barrier with self-closing/self-latching gates around residential pools; a permit is required for all in-ground and above-ground pools..

Also covered: Pool Permits (moderate). See the full swimming pools & spas guide for Katy for details.

What to Do With This Information

This overview covers the big picture, but the details matter. Each ordinance page for Katy includes the full text, violation penalties, and frequently asked questions. Use those pages when you need specifics.