FEMA flood zone rules in Grand Prairie, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Grand Prairie has significant flood zones along the West Fork of the Trinity River, Johnson Creek, and other tributaries. The city participates in FEMA's NFIP and enforces strict floodplain development regulations. New construction must be elevated above the base flood elevation.
The West Fork Trinity River corridor and Johnson Creek areas contain FEMA-designated 100-year and 500-year floodplains. Development in flood zones requires a floodplain development permit. New residential structures must have the lowest floor elevated at least one foot above the base flood elevation. Substantial improvements to existing structures must also comply. The city's Engineering department maintains flood maps and processes floodplain permits. Grand Prairie also participates in the Community Rating System for reduced flood insurance rates.
Building without permit in flood zone: stop-work order. NFIP non-compliance affects community eligibility.
Grand Prairie, TX
Grand Prairie Sec. 13-283 (Ord. 11192-2022) sets decibel limits by zone: Residential 65/58 dBA Leq day/night, Commercial 67/60, Industrial 70/65, Entertainme...
Grand Prairie, TX
Grand Prairie Sec. 13-280(12) exempts normal property maintenance noise during daytime hours (6 AM-10 PM). Leaf blowers and lawn equipment must comply with d...
Grand Prairie, TX
Grand Prairie Sec. 13-282 designates Noise Zone 3 for manufacturing, industrial, and governmental properties. Sec. 13-283 sets limits of 70 dBA Leq daytime /...
Grand Prairie, TX
Grand Prairie Ch. 29, Art. VII regulates junk/inoperable vehicles. Inoperable vehicles (wrecked, flat tires, expired registration) may not be stored visibly ...
Grand Prairie, TX
Grand Prairie prohibits R-panel, metal sheeting, and plywood fencing in residential areas. Only wood, masonry, chain link, wood slats, and wrought iron are a...
Grand Prairie, TX
Grand Prairie requires pool fences at least 48 inches tall with gaps under 4 inches from the ground. Gates must be self-closing and self-latching. Chain link...
Side-by-side rule comparisons with other cities in Dallas County.
See how other cities in Dallas County handle flood zones.
See how Grand Prairie's flood zones rules stack up against other locations.
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