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League City, TX Environmental Rules: Grading & Drainage (2026)

Heavy Restrictions

Verified 1 month ago|Source: Chapter 22 - Buildings (§22-16) →

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Key Facts

Code Section: §22-16, §125-4.3
Area Drains: Required for new homes
Gutters: All sides of house
Flood Zone Fill: Permit required (Ch. 50)

Summary

League City requires all new residential construction to include gutters, downspouts, and area drains under Section 22-16. Chapter 125 site development standards mandate proper drainage systems. Grading must not divert water onto adjacent properties.

Full Breakdown

Section 22-16 requires new single-family construction to include gutters and downspouts on all sides tied into area drains per the CoLC Area Drain Standard Operating Procedure. Section 125-4.3 references subdivision regulations and general design standards for drainage systems. Development must not alter natural drainage patterns in ways that increase flooding on adjacent properties. League City's flat coastal terrain makes proper grading and drainage critical. The city's post-Hurricane Harvey infrastructure improvements include expanded detention basins and channel widening along Clear Creek and Dickinson Bayou. Fill activities in flood zones require development permits under Chapter 50.

Violations & Fines

Failure to install area drains: building code violation, fine up to $500. Improper grading causing flooding: code enforcement action and potential liability. Fill in flood zones without permit: stop-work order.

Frequently Asked Questions

Does League City require area drains for new homes?

Yes. Section 22-16 requires gutters and downspouts on all sides with area drains installed per the CoLC Area Drain Standard Operating Procedure.

Can I change the grading on my property in League City?

Grading changes must not divert water onto adjacent properties. Fill in flood zones requires a development permit under Chapter 50.

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League City, TX Environmental Rules: Grading & Drainage (2026)

Key Facts

Summary

Full Breakdown

Violations & Fines

Frequently Asked Questions

Sources & Official References

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