TX HB3404

Requires municipalities with population over 60,000 in counties over 420,000, and counties over 420,000, to allow mixed-use and multifamily residential development in zones permitting office, commercial, retail, warehouse, or mixed-use development without requiring zoning changes or variances

Prohibits local governments from imposing density limits more restrictive than 36 units per acre (or their highest allowed density), height limits below 45 feet (or the highest commercial limit), setbacks exceeding 25 feet, or parking requirements exceeding one space per unit

Waives permit fees, parkland dedication requirements, traffic impact analyses, and impact fees for conversions of existing office, retail, or warehouse buildings (at least 5 years old) to residential use with at least 65% residential occupancy

Creates civil enforcement allowing permit applicants, prospective residents, and nonprofit organizations to sue for damages, injunctive relief, and attorney's fees, with appeals exclusively handled by the Fifteenth Court of Appeals

Authorizes the Attorney General to limit a violating municipality or county to its no-new-revenue tax rate for three years following a determination of non-compliance with the chapter's requirements