Asphalt Driveway Guide: Installation, Maintenance & Cost

New installation: $3-$7 per square foot installed. Typical two-car driveway (600 sq ft): $1,800-$4,200. Long driveway (1,500 sq ft): $4,500-$10,500. Asphalt overlay (resurfacing over existing asphalt): $2-$5 per square foot ($1,200-$3,000 for a two-car driveway). Full removal and replacement: $4-$10 per square foot. Cost factors: driveway size, base preparation needs (existing base in good condition reduces cost), thickness of asphalt (3 inches is standard, 4-5 inches for heavy vehicles), and regional asphalt prices (asphalt is a petroleum product, so prices fluctuate with oil markets). For comparison: a concrete driveway costs $8-$18/sq ft ($4,800-$10,800 for a two-car driveway). Asphalt costs 50-60% less than concrete for the same driveway.

15-20 years with proper maintenance. Without maintenance: 10-15 years. The key to maximizing lifespan: sealcoat every 2-3 years (protects against UV damage, water penetration, and chemical spills), fill cracks promptly (prevents water from entering the base and causing potholes), and keep the edges well-supported (prevent crumbling). Compare to concrete: 25-30+ years (concrete lasts longer but costs 2-3x more). Signs your asphalt driveway needs replacement: widespread cracking (alligator cracking), large potholes, significant settling or drainage problems, and edges crumbling throughout. If the damage is limited to the surface (no base failure), an asphalt overlay ($2-$5/sq ft) can extend the driveway's life by 8-12 years at much less cost than full replacement.

First sealcoat: 6-12 months after installation (new asphalt needs to cure and oxidize slightly before sealing). After that: every 2-3 years. Best time of year: late spring to early fall (asphalt temperature should be above 50°F for proper adhesion and curing). Do not sealcoat if rain is expected within 24 hours. DIY sealcoating: very doable. Cost: $90-$150 for a two-car driveway (2-3 buckets of sealer at $25-$40 each, plus a squeegee applicator). Time: 2-4 hours. Steps: clean the driveway thoroughly (sweep, then wash with a garden hose), fill any cracks, apply sealer in thin, even coats (two thin coats are better than one thick coat), and allow 24-48 hours to cure before driving on it. Professional sealcoating: $120-$300 for a two-car driveway. Convenient and faster.

Technically possible, but not recommended for most homeowners. Asphalt paving requires: hot mix asphalt (delivered by truck at 275-300°F), heavy equipment (paver machine, vibratory roller for compaction), speed (asphalt must be placed and compacted before it cools), and experience (proper compaction technique, grade control, and joint management). A poorly installed asphalt driveway will fail quickly (raveling, cracking, and poor drainage). The labor savings (30-40%) are not worth the risk of a substandard result. What you CAN do yourself: sealcoating (easy, saves $50-$150), crack filling (easy), pothole patching with cold patch (easy for small repairs), and preparing the sub-base (if you are handy with grading and compaction). Hire a professional paving contractor for the actual asphalt installation. Get 2-3 quotes, check references, and ensure the quote includes: proper base preparation, minimum 3-inch asphalt thickness (in two layers), and compaction with a roller (not just a plate compactor).