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🌍 Environmental Rules/Grading & Drainage

Carrollton vs Richardson

How do grading & drainage rules compare between Carrollton, TX and Richardson, TX?

Carrollton and Richardson have similar restriction levels.

Carrollton, TX

Dallas County

Some Restrictions

Carrollton requires grading permits for significant earth-moving work. Drainage must not redirect water onto neighboring properties. Proper grading prevents erosion and flooding.

View full Carrollton rules β†’

Richardson, TX

Dallas County

Some Restrictions

Richardson requires proper grading and drainage on all development projects. Sec. 13-2 prohibits diverting water from its natural course. Retaining walls over 4 feet must be designed by a licensed professional engineer.

View full Richardson rules β†’

Key Facts Comparison

FactCarrolltonRichardson
Permit Threshold50 to 100 cubic yards-
Neighbor DrainageCannot redirect water-
Retaining WallsPermit if over 4 feetEngineer required if >4 ft
TopicGrading Drainage-
Water Diversion-Prohibited (Sec. 13-2)
Subdivisions-Ch. 21 drainage requirements
Standard-Direct water to approved drainage

Highlighted rows indicate differences between cities.

Carrollton FAQ

Do I need a grading permit?

Generally required for earth-moving over 50 to 100 cubic yards or changes to existing drainage patterns. Small landscaping projects are usually exempt.

My neighbor changed their grading and water flows onto my property. What can I do?

Contact Carrollton code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.

Richardson FAQ

Can I change the grading on my property in Richardson?

Grading changes must not divert water onto neighboring properties or public areas per Sec. 13-2. Retaining walls over 4 feet need engineering.

Do retaining walls need a permit in Richardson?

Retaining walls over 4 feet high (bottom of footing to top) or supporting a surcharge must be designed by a licensed professional engineer and require a permit.

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