Lot Coverage Limits: Grapevine vs Keller
How do lot coverage limits rules compare between Grapevine, TX and Keller, TX?
Grapevine and Keller have similar restriction levels.
Grapevine, TX
Tarrant County
Grapevine residential zoning districts cap building lot coverage between 40 and 50 percent depending on district, with additional open space and impervious surface limits in floodplain and tree preservation areas. Lot coverage is measured as the footprint of all principal and accessory buildings divided by total lot area.
View full Grapevine rules →Keller, TX
Tarrant County
Keller Zoning Ordinance caps building lot coverage, generally 40 to 50 percent in single-family districts. Total impervious coverage is limited to protect drainage and recharge, especially in large-lot SF-36 areas.
View full Keller rules →Key Facts Comparison
| Fact | Grapevine | Keller |
|---|---|---|
| R-20 Coverage | Typically 40 percent maximum | - |
| R-7.5 Coverage | Up to 50 percent in smaller lots | - |
| Counts Toward Coverage | Principal and accessory buildings | - |
| Excluded | Pools, patios, driveways (usually) | - |
| Review | Site plan before permit | - |
| SF-8.4 Max Building | - | Up to about 50 percent |
| SF-36 Max Building | - | About 30 to 40 percent |
| Total Impervious Cap | - | About 60 to 70 percent |
| Pool Patio | - | Counts toward impervious |
| Variance | - | Zoning Board of Adjustment |
Highlighted rows indicate differences between cities.
Grapevine FAQ
Does my driveway count toward lot coverage in Grapevine?
Driveways are generally excluded from lot coverage but may be limited by separate impervious surface or watershed standards, especially near Grapevine Lake or within floodplain overlays.
How is lot coverage calculated?
Add the footprint of all principal and accessory buildings (including covered porches and carports) and divide by total lot area. The result must be at or below the district maximum.
Keller FAQ
How much of my Keller lot can I cover with buildings?
It depends on your zoning district. Large-lot districts limit building coverage to about 30 to 40 percent and smaller-lot districts allow up to about 50 percent. Always check total impervious coverage too.
Does my pool count against lot coverage in Keller?
The pool deck and any coping and hardscape count toward impervious coverage, while the water surface itself is treated specially. Large patios and pools can push a lot over its limit.
Compare other topics
See how Grapevine and Keller compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool