Austin-Area Residential Permit Cheat Sheet

Do you need a permit for common home projects in Austin, Round Rock, Pflugerville and Cedar Park? Every answer links to the city source it came from. Where we couldn't find a clear answer, it says Check with city.

🔥 Is your address in Austin's wildfire zone?
Check your address and see the WUI rules and fees for your project.

Is your address in Austin's wildfire zone?

Disclaimer: This is a free informational summary, not legal or professional advice. Rules and fees change (most cities update fees each October) and depend on your exact address, scope, HOA, historic district or floodplain status. Fees shown are base permit fees only; plan review, technology or other fees may apply. Always confirm with your city's building department before starting work. Areas outside city limits (ETJ / unincorporated Travis or Williamson County) follow different rules.

Austin

Wildfire zone: Over half of Austin is in a WUI zone (A, B or C). Check your address on the 2024 WUI Code map. WUI projects need residential plan review, exact product specs on plans, and two WUI inspections. Applies to permit applications on/after July 10, 2025; existing homes are not required to retrofit.

ProjectPermit?FeeNotesWildfire (WUI) rulesSource
Water heaterYesCheck with cityDone under a stand-alone Plumbing Change Out permit (fee schedule's Change-Out Program lists water heaters). Contractor must be registered with the city.Vent/flue openings: 1/8-in ember mesh or WUI-approved vents (dryer vents metal).city source
checked Oct 15, 2026
HVAC replacementYes$74.05Mechanical Change Out stand-alone permit: $74.05 first system, $20.69 each additional (FY26-27).Intake/exhaust vents: 1/8-in ember mesh.city source
checked Oct 15, 2026
Roof replacementDepends$112.76 + $72.96Permit if replacing >128 sq ft of decking, or >50% of roof in Wildland-Urban Interface area; some shingle replacements are exempt. Express review $112.76 + inspection $72.96.Class A roof assembly; metal valley flashing; noncombustible gutters with leaf guards. Replacing 50%+ of roof requires full replacement to WUI code.city source
checked Oct 15, 2026
FenceDepends$146.15Exempt-work page says up to 7 ft; Types of Permits page says permit if in flood hazard area or over 8 ft (pages conflict, so confirm). Small-project review $146.15.Within 10 ft of a building: ignition-resistant/noncombustible (metal, masonry); fire-retardant coatings not allowed.city source
checked Oct 15, 2026
Deck / patio coverYesCheck with cityUncovered deck listed under Residential Building Permit.Ignition-resistant materials (Zone A: all; B: within 30 ft of building; C: within 10 ft). Deck board gaps ≤1/8 in. Over slopes >10%, enclose underside.city source
checked Oct 15, 2026
Shed / accessory buildingDependsCheck with cityExempt if one story, ≤200 sq ft, ≤15 ft tall, no plumbing, not a dwelling, not in flood hazard area.Exempt from WUI Ch. 5 only if ≤100 sq ft AND >50 ft from nearest structure; otherwise ignition-resistant materials.city source
checked Oct 15, 2026
Solar PVYes$53.56 + $169.83 + $84.92Electrical Auxiliary Power/Solar permit. Intake $53.56, Austin Energy electrical base $169.83, inspection $84.92 (1–50 kW).Check with citycity source
checked Oct 15, 2026
In-ground poolYes$146.15+Residential building permit; small-project plan review $146.15 plus trade/inspection fees.Check with citycity source
checked Oct 15, 2026
Electrical panel upgradeCheck with cityCheck with cityNot specifically addressed on the city pages we checked.n/acity source
checked Oct 15, 2026
Irrigation systemYesCheck with cityStand-alone Plumbing Irrigation permit (registered contractor).Keep 5-ft noncombustible Ember Ignition Zone around structures.city source
checked Oct 15, 2026

Round Rock

ProjectPermit?FeeNotesWildfire (WUI) rulesSource
Water heaterYes$50Permits required when replacing plumbing/gas/mechanical systems; standalone permit $50. Tank-to-tankless needs a gas piping chart.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
HVAC replacementYes$50Standalone HVAC (mechanical) permit.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
Roof replacementNon/aNo permit for a residential re-roof; modifying the roof structure requires a residential permit.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
FenceNon/aNo building permit, but must meet code; check height/material with Code Enforcement, 512-341-3329.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
Deck / patio coverYes$125 / $200Wood deck/uncovered patio $125; covered patio $200 (without electrical/plumbing).No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
Shed / accessory buildingYes$50Required even under 200 sq ft. $300 with electrical/plumbing.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
Solar PVYes$150Needs one-line drawings stamped by an electrical engineer; torque letter at final.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
In-ground poolYes$350In-ground pool $350 (spa/above-ground $125). Must meet 2024 pool code; review about 30 business days.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
Electrical panel upgradeYes$50Standalone electrical; upgrades need a torque letter with master electrician license #.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026
Irrigation systemYes$50Required for new systems on city water; repairs exempt unless the backflow device is replaced.No city WUI code found (city adopted 2024 IFC).city source
checked Oct 15, 2026

Pflugerville

ProjectPermit?FeeNotesWildfire (WUI) rulesSource
Water heaterCheck with cityCheck with cityNot itemized in the fee schedule.No city WUI code found.city source
checked Oct 15, 2026
HVAC replacementCheck with cityCheck with cityFee schedule lists $60 per trade type, apparently when added to another permit; confirm for standalone.No city WUI code found.city source
checked Oct 15, 2026
Roof replacementYes$80Residential re-roof listed in fee schedule.No city WUI code found.city source
checked Oct 15, 2026
FenceCheck with cityCheck with cityNot in fee schedule.No city WUI code found.city source
checked Oct 15, 2026
Deck / patio coverYes$60Residential deck & patio covers.No city WUI code found.city source
checked Oct 15, 2026
Shed / accessory buildingDepends$50–$65Listed for accessory buildings over 200 sq ft ($50 portable, $65 permanent); detached garage $65. Smaller: check with city.No city WUI code found.city source
checked Oct 15, 2026
Solar PVCheck with cityCheck with cityNot in fee schedule.No city WUI code found.city source
checked Oct 15, 2026
In-ground poolYes$158 / $204$158 without heater, $204 with heater. Above-ground/hot tub $60.No city WUI code found.city source
checked Oct 15, 2026
Electrical panel upgradeCheck with cityCheck with cityNot itemized in the fee schedule.No city WUI code found.city source
checked Oct 15, 2026
Irrigation systemYes$70Irrigation permit.No city WUI code found.city source
checked Oct 15, 2026

Cedar Park

ProjectPermit?FeeNotesWildfire (WUI) rulesSource
Water heaterYes$50Installing or replacing a water heater requires a permit; Water Heater Install/Changeout fee $50.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
HVAC replacementYes$50Installing or replacing heating/AC requires a permit; HVAC Changeout fee $50.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
Roof replacementDependsn/aNon-structural roof covering: no permit. Structural work: check with city.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
FenceNon/aNo permit, but must follow fencing ordinance Sec. 14.07.007.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
Deck / patio coverCheck with cityCheck with cityCity publishes deck & patio guidance; requirement not confirmed.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
Shed / accessory buildingYes$0.10/sq ft (min $35) + $25Storage sheds need a permit; accessory structure fee $0.10/sq ft (min $35) + $25 plan review.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
Solar PVYesCheck with citySolar panel installation requires a permit; fee not itemized in the ordinance.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
In-ground poolYes$250+In-ground: building $100 + electrical $100 + plan review $50 (+$100 plumbing if gas heated).No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
Electrical panel upgradeYes$25 / $40Residential electrical service upgrade fee: $25 up to 100 A, $40 over 100 A.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026
Irrigation systemYes$25Irrigation systems require a permit; residential fee $25.No WUI code found; city recommends 30 ft defensible space.city source
checked Oct 15, 2026