Carrollton vs Irving
How do grading & drainage rules compare between Carrollton, TX and Irving, TX?
Carrollton and Irving have similar restriction levels.
Carrollton, TX
Dallas County
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 →Irving, TX
Dallas County
Irving requires grading permits for land disturbance activities under the Land Development Code. All development must manage drainage to prevent adverse impacts on adjacent properties. Post-development stormwater runoff must be detained to match or reduce pre-development flow rates. Irving's relatively flat North Texas terrain requires engineered drainage solutions for larger developments.
View full Irving rules →Key Facts Comparison
| Fact | Carrollton | Irving |
|---|---|---|
| Permit Threshold | 50 to 100 cubic yards | - |
| Neighbor Drainage | Cannot redirect water | - |
| Retaining Walls | Permit if over 4 feet | - |
| Topic | Grading Drainage | - |
| Permit Required | - | Grading permit for land disturbance |
| Drainage Standard | - | Detain post-development runoff to pre-development rates |
| Design Storm | - | 100-year storm event for major drainage |
| Review Authority | - | Irving Engineering Division |
| Adjacent Impact | - | Must not increase drainage onto neighbors |
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.
Irving FAQ
When do I need a grading permit in Irving?
A grading permit is generally required for any significant land disturbance, including site preparation for new construction, lot regrading, and drainage modifications. Contact Irving Development Services for specific thresholds.
What are Irving's drainage detention requirements?
Development must detain stormwater so that post-development runoff does not exceed pre-development rates. Detention facilities are designed based on the 100-year storm event. Engineering plans must be submitted with development applications.
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