Plumbing Requirements for Bathroom Remodels

Common requirements

• Toilet flange and drain at proper clearances, with a vent
• Shower pan installed and tested before tile
• Anti-scald shower valve
• Drains sloped correctly under the slab, inspected before the concrete is patched

Permits

Relocating fixtures or adding a bathroom requires a plumbing permit.

Learn more

Bathroom remodel plumbing and moving a toilet.

Sources

• City of Dallas — Current City Code (adopted construction codes)

Official sources, checked October 2026. Rules and fees change; confirm current requirements with the issuing agency.