Williamson County, TX Ordinances (2026)

Unincorporated Williamson County neither zones nor permits garage conversions. Converting a garage into living space with a bathroom triggers an on-site sewage (OSSF) review under…

A tiny home on wheels is titled as a travel trailer under Texas Transportation Code Section 501.002 and is not used as a permanent dwelling. A tiny home on a foundation with plumbing…

Texas counties cannot zone, so unincorporated Williamson County sets no ADU size, setback, or occupancy limit. An accessory dwelling with plumbing requires an on-site sewage (OSSF)…

Williamson County has no ordinance regulating holiday lights, inflatables, or yard displays in unincorporated areas: those fall to HOA deed restrictions. Property Code §202.018 blocks…

Political signs are protected on private property in unincorporated Williamson County. The county has no sign ordinance, and Election Code §259.003 blocks any local sign rule that…

Garage-sale signs face no county rule on your own property in unincorporated Williamson County: the county has no sign ordinance. But Transportation Code §393.002 makes it illegal to…

Operating a child-care home for pay in Williamson County requires a license, registration, or listing from Texas Health and Human Services under Human Resources Code Chapter 42. The…

Texas cottage food law lets you sell approved home-produced foods from a Williamson County home with no permit, license, or health inspection. Annual food sales are capped at $150,000…

Breed-specific bans are illegal in Texas. Williamson County and its cities cannot outlaw pit bulls or any other breed; state law bars breed-specific dog regulation. Rules must target a…

Unincorporated Williamson County has no countywide leash law for ordinary dogs, but a declared dangerous dog must be leashed or kept in a secure enclosure at all times under Texas law…

Owning a dangerous wild animal, a lion, tiger, bear, cougar, and similar species, requires a state certificate of registration in Texas. Without it, possession is illegal. Williamson…

Unincorporated Williamson County sets no hen limit and allows backyard chickens and livestock. The county has adopted a stock law, so owners must fence livestock in; letting animals…

Williamson County sets no lot-coverage or impervious-surface limit. Texas counties cannot zone. Coverage caps in unincorporated areas come from HOA deed restrictions and drainage rules…

Williamson County sets no setback rules. Texas counties have no zoning power. Only subdivision platting under Local Government Code Chapter 232 applies, and in platted subdivisions HOA…

Williamson County sets no building height limit. Texas counties lack zoning authority, so height caps in unincorporated areas exist only through HOA deed restrictions. Cities like…

Williamson County has no dark-sky lighting ordinance for private property. Texas has no general outdoor-lighting statute; Health and Safety Code Chapter 425 covers only state-funded…

No statewide barking-dog ordinance governs unincorporated Williamson County. Persistent barking that becomes unreasonable noise near a residence is disorderly conduct under Tex. Penal…

Unincorporated Williamson County sets no construction-hour limits; counties can't regulate work times. Early or late construction noise is actionable only if unreasonable under Tex…

Amplified music that is unreasonable near a residence is disorderly conduct under Tex. Penal Code §42.01, a Class C misdemeanor up to $500. Noise is presumed unreasonable above 85…

No statewide quiet hours exist. In unincorporated Williamson County, unreasonable noise in or near a private residence is disorderly conduct under Tex. Penal Code §42.01, a Class C…

Consumer 1.4G fireworks are legal in unincorporated Williamson County and sell June 24 through July 4 and December 20 through January 1; the Commissioners Court can restrict skyrockets…

Texas assigns no regulatory wildfire hazard zones and no wildland-urban-interface building code to unincorporated Williamson County; drought burn bans by the Commissioners Court are…

Propane and gas fire pits burn year-round in unincorporated Williamson County and stay legal even during a county burn ban; wood recreational fires are prohibited whenever the…

Outdoor burning is prohibited statewide under 30 TAC 111.201 except for allowed disposal fires; unincorporated Williamson County residents may burn household waste where no trash…

Williamson County has no lawn grass-height ordinance and cannot zone. In the unincorporated area, uncultivated growth over 36 inches becomes an abatable weeds nuisance under state law…

Williamson County has no rule on artificial turf. Statewide, an HOA cannot force you to maintain living grass since September 2025, and it may not unreasonably deny water-conserving…

Drought-resistant and native landscaping is protected statewide. Property Code Section 202.007 stops an HOA from banning water-conserving plantings, and since September 2025 an HOA…

Williamson County does not run water utilities. Outdoor watering limits come from your retail provider, such as Georgetown, Round Rock, Brushy Creek MUD, Jonah Water, or Chisholm Trail…

Rainwater harvesting is protected statewide. A Williamson County HOA cannot prohibit rain barrels or a rainwater collection system, and the county encourages it. Property Code Section…

Williamson County does not issue or require door-to-door solicitor permits in unincorporated areas; Texas gives counties no general licensing power over peddlers. Door-to-door sellers…

Williamson County runs no no-knock registry, but a posted "No Soliciting" or "No Trespassing" sign carries legal force: entering after notice that entry is forbidden is criminal…

Williamson County runs no municipal trash collection in unincorporated areas. Households contract a private subscription hauler directly. Under Tex. Health & Safety Code §364.011, the…

Williamson County does not regulate where you store trash cans outside city limits; screening is HOA territory. But under Tex. Health & Safety Code §343.011(c)(2), cans and rubbish…

No county bulk pickup exists in unincorporated Williamson County; haul large items to a permitted site. Dumping them is illegal under Tex. Health & Safety Code §365.012, scaling from a…

Williamson County parks are open 7:30 AM to 10 PM year-round; Berry Springs Park and Preserve opens at 7 AM. Being in a county park after closing is prohibited. The county sets park…

Rent control does not exist in unincorporated Williamson County. Texas Local Government Code §214.902 bars any city or county from capping rent unless a declared disaster triggers an…

Texas has no just-cause eviction rule. A landlord in unincorporated Williamson County may end a tenancy without stating a reason. Property Code §24.005 requires only a three-day…

Texas law bars a property owners' association from prohibiting solar energy devices. Williamson County HOAs like Sun City and Cimarron Hills may set reasonable placement conditions but…

There are no marijuana dispensaries to zone in Williamson County; retail cannabis sale is illegal statewide. The only lawful outlets are licensed low-THC medical dispensers under the…

Growing marijuana at home is illegal everywhere in Texas, including unincorporated Williamson County. Possessing usable marijuana is a crime under Health and Safety Code Section…

STR guests are bound by the same state law as everyone else: unreasonable noise near a residence is disorderly conduct under Tex. Penal Code §42.01, a Class C misdemeanor up to $500…

Short-term rentals owe Texas's 6% state hotel occupancy tax under Tex. Tax Code §156.052, plus Williamson County's county hotel tax. State law defines a 'hotel' to include short-term…

Williamson County participates in the National Flood Insurance Program and enforces floodplain development permits in unincorporated areas. Any construction, fill, or improvement in a…

On the Edwards Aquifer recharge zone, clearing and excavation are regulated activities under 30 TAC Chapter 213 and require approved erosion and sediment controls. Construction General…

Construction over the Edwards Aquifer recharge zone in western Williamson County requires a TCEQ-approved water pollution abatement plan under 30 TAC Chapter 213. Any site disturbing…

A vehicle is abandoned under Texas Transportation Code 683.002 after 48 hours left on public property or on private property without the owner's consent; law enforcement may then tow…

On unincorporated Williamson County roads, parking follows the Texas Transportation Code, which bars stopping in an intersection, on a crosswalk, on a bridge, or where an official sign…

In unincorporated Williamson County, junked vehicles, accumulated rubbish, and dilapidated buildings are public nuisances under Tex. Health & Safety Code §343.011. The Commissioners…

Overgrown weeds on a vacant lot in unincorporated Williamson County are a public nuisance under Tex. Health & Safety Code §343.011(c)(4) when they grow within 300 feet of a residence…

State law requires a pool yard enclosure at least 48 inches high for pools owned or controlled by a property owners association or multiunit rental complex. Private single-family pools…

Williamson County sets no vending zones or location districts for food trucks; it cannot zone unincorporated land. A permitted mobile food unit may operate wherever the property owner…

A food truck operating in unincorporated Williamson County must hold a mobile food unit permit. Under Health and Safety Code Section 437.003 the commissioners court requires county…