# How Much Does Driveway Sealing Cost? > Compare contractor and DIY driveway sealing prices per square foot, plus repair and replacement costs for asphalt driveways. Canonical: https://drivewaysealinglab.com/how-much-does-driveway-sealing-cost/ Last updated: 2026-11-07 Driveway sealing typically costs between $0.15 and $0.30 per square foot when you hire a contractor. A do-it-yourself job runs about $0.05 to $0.12 per square foot for materials alone. These figures assume the asphalt is structurally sound; base failure or extensive cracking changes the math significantly. ## Average Driveway Sealing Costs by Method Most residential driveways fall into one of two pricing categories: professional installation or DIY materials. The contractor price includes labor, equipment, surface prep, and the sealcoat itself. The DIY price covers only buckets of sealant, squeegees, brushes, and any protective gear you need to buy or rent. For a standard two-car driveway of about 600 square feet, here is how the estimates break down: - Professional low end: 600 sq ft × $0.15 = $90 - Professional high end: 600 sq ft × $0.30 = $180 - DIY low end: 600 sq ft × $0.05 = $30 - DIY high end: 600 sq ft × $0.12 = $72 A larger driveway, such as 1,000 square feet, scales the same way. Professional work lands between $150 and $300, while DIY materials cost roughly $50 to $120. These are estimates, and actual quotes vary by region, driveway condition, and whether the contractor charges a minimum trip fee. ## Why Surface Condition Changes the Price Sealcoat is a protective wear layer, not a structural repair. If your driveway has alligator cracking, sinking sections, or crumbling edges, sealing over the damage will not fix the base. You should diagnose base failure before selling sealer or committing to a project. Contractors often inspect for soft spots, drainage problems, and subgrade instability before quoting. If repairs are needed first, expect line items such as: - Crack filling: $2 to $5 per linear foot - Pothole patching: $100 to $400 each - Asphalt overlay: $3 to $7 per square foot - Full removal and replacement: $8 to $15 per square foot For example, filling 50 linear feet of cracks at $3 per linear foot adds $150 to the project. A single pothole patch at $250 brings the pre-sealing total to $400. Only after those repairs are complete does sealcoating make financial sense. ## DIY Versus Contractor: What You Actually Pay DIY sealing looks cheaper on paper, but it shifts labor and risk to the homeowner. A 5-gallon pail of sealant might cover 250 to 500 square feet depending on the product and surface porosity. You also need a squeegee, brush, driveway cleaner, oil-spot primer, and possibly a pressure washer rental. Factor in your time, and the savings narrow quickly. Contractors bring commercial spray or squeegee equipment, bulk material pricing, and experience applying sealant at the correct thickness. The trade-off is labor cost, which is why professional quotes sit at roughly three times the DIY material price per square foot. If you choose DIY, review our guide on [DIY driveway sealing](https://drivewaysealinglab.com/diy-driveway-sealing/) for equipment and safety steps. ## How to Measure Your Driveway for an Accurate Quote Measure length and width in feet, then multiply to get square footage. For irregular shapes, break the driveway into rectangles, calculate each area, and add them together. Example: - Main pad: 20 ft × 30 ft = 600 sq ft - Apron: 10 ft × 12 ft = 120 sq ft - Total: 720 sq ft At $0.20 per square foot, the midpoint of the professional range, the estimate is 720 × $0.20 = $144. At $0.10 per square foot for DIY materials, the same driveway costs about $72 in sealant. Always round up slightly to account for texture, porosity, and a second coat if the manufacturer recommends it. ## Hidden Costs and Minimum Charges Some contractors impose a minimum charge, often between $150 and $250, regardless of square footage. On a small driveway, that minimum can push the effective cost above $0.30 per square foot. Other potential add-ons include: - Oil spot priming - Extra coats for heavily weathered asphalt - Crack sealing before topcoating - Traffic control or cones for shared driveways Ask for a written quote that lists the square footage, price per square foot, repair line items, and number of coats. If the quote bundles everything into a single lump sum, request a breakdown so you know what you are paying for. ## When Sealing Is Not the Right Move Sealcoating preserves good asphalt. It does not rebuild a failed base. If more than 25 to 30 percent of the surface shows alligator cracking, or if water pools and does not drain, sealing is cosmetic at best. In those cases, an asphalt overlay at $3 to $7 per square foot or full replacement at $8 to $15 per square foot may deliver better long-term value. For context, replacing a 600-square-foot driveway at $10 per square foot costs about $6,000. Sealing that same driveway every three years at $0.20 per square foot costs $120 per cycle. Over 30 years, that is 10 cycles, or $1,200, before repairs. Sealcoating is inexpensive maintenance, but it cannot substitute for structural work when the base has failed. ## Protecting Your Investment After Sealing After sealcoat cures, keep vehicles off the surface for the time recommended by the contractor or product label, usually 24 to 48 hours. Avoid sharp turns with power steering on fresh sealant, and clean up oil or gasoline spills promptly. Recoating every two to three years, depending on wear, extends the life of the underlying asphalt. Routine maintenance also includes sweeping debris and addressing cracks as soon as they appear. For more on scheduling and upkeep, see our [driveway sealing maintenance](https://drivewaysealinglab.com/driveway-sealing-maintenance/) overview. If you are weighing sealing against other surface treatments, our comparison of [driveway sealing vs asphalt sealcoating](https://drivewaysealinglab.com/driveway-sealing-vs-asphalt-sealcoating/) explains the terminology and product differences.