Widening a Concrete Driveway: Pavers vs. Gravel in Houston

This Houston homeowner wants to widen a concrete driveway 2–4 feet on each side for parking and bike access. Crushed granite is cheap, but leaf blowers scatter it. Interlocking concrete pavers offer a refined look, durability, and resistance to Houston's torrential rains.

Material Comparison

Paver Installation Specs (Houston, Zone 9)

• Excavation: 8–10″ below final grade (6″ base + 1″ sand + 2⅜″ paver).
• Base: 6″ compacted crushed limestone (TxDOT Grade 1–2) or recycled concrete aggregate. Compact in 2″ lifts to 98% Proctor.
• Edge restraint: Snap-edge or concrete toe required—traffic will unravel pavers without it.
• Bedding sand: 1″ concrete sand (ASTM C33), screeded, not compacted.
• Pavers: 2⅜″ thick, ASTM C936. Brands: Belgard, Pavestone, Bradstone (Houston dealers available).
• Joint sand: Polymeric sand for weed/ant resistance.
• Compaction: Plate compact with urethane mat after sanding.

Permits & HOA

Houston: $7/$10k valuation, $30 min. ~200 sf = ~$1,800–$3,000. Check Harris County, Sugar Land, or COH 311. HOAs (The Woodlands, etc.) often require pre-approval.

Pavers cost more upfront but eliminate the gravel scatter, handle deluges, and boost curb appeal. For a 30-ft drive, the investment pays off in decades of low maintenance.