Paving a standard 400-to-600-square-foot two-car residential asphalt driveway typically costs between $4.00 and $8.00 per square foot for full-depth installation, or $3.00 to $5.00 per square foot for a surface overlay.
General contractors and site planners calculate overall pricing based on regional liquid asphalt binder indices, aggregate hauling distance, and native soil stability. For a standard 600-square-foot residential layout, total project costs generally range from $2,400 to $4,800, though unstable ground or heavy excavation can push quotes higher.
If you only do one thing: Specify a minimum 6-inch compacted crushed aggregate base (dense-graded stone or aggregate base course) beneath 2.5 to 3 inches of compacted hot-mix asphalt to prevent rutting.
- Subgrade Excavation & Grading ($1.50–$3.00/sq ft): Earthwork involves stripping 8 to 10 inches of unsuitable organic soil, shaping grade lines for runoff, and compacting native subgrade to 95% standard Proctor density.
- Crushed Stone Sub-Base ($1.50–$2.50/sq ft): Crews install and mechanically vibrate 6 to 8 inches of 3/4-inch minus crushed aggregate in two separate lifts to eliminate voids and establish a frost-resistant foundation.
- Hot Mix Asphalt Application ($2.50–$4.50/sq ft): Contractors lay commercial hot-mix asphalt between 275°F and 300°F, rolling an uncompressed 3.5-inch loose mat down to a final compacted thickness of 2.5 to 3.0 inches.
- Resurfacing / Mill & Overlay ($3.00–$5.00/sq ft): Suitable only over intact bases, this process involves milling surface flaws, applying an asphalt tack coat, and laying a new 1.5- to 2-inch asphalt wear layer.
- Slope and Drainage Standards: Pavement requires a finished cross-slope of 1.5% to 2.0% (at least 1/4 inch of fall per linear foot) to direct rainwater away from structural edges into proper swales.
- Watch out for: Paving directly over severe alligator cracking or saturated subgrades, which triggers rapid reflective cracking and subgrade pumping within 12 months.
- Watch out for: Installing asphalt when ambient or surface temperatures drop below 50°F, which cools thin mats too quickly for rollers to achieve target 92% to 97% compaction density.
- Watch out for: Skipping geotextile separation fabric over clay soils, allowing fine silt particles to migrate into the aggregate base and compromise load-bearing capacity.
Schedule a proof-roll inspection with a loaded tandem-axle truck or dynamic cone penetrometer across the compacted stone base before asphalt delivery to verify zero surface deflection.