For most Central Indiana homeowners who want more character than plain concrete without the upkeep of pavers, an exposed aggregate driveway is worth it. It costs $10 to $15 per square foot installed and lasts 25 to 30 years with routine sealing. The pebbly, textured surface grips well when wet, resists freeze-thaw better than smooth concrete because the stone doesn’t soak up water, and looks better as it weathers.
The trade-offs are real but minor: you’ll reseal it once a year before winter, you can’t add it as an overlay to an existing slab, and deicing salt will damage it over time. Mattingly Concrete installs exposed aggregate driveways across Indianapolis, Carmel, Fishers, and Greater Cincinnati. Find out what it costs, how the finish is made, and how it stacks up against broom finish, stamped concrete, and pavers.
What Exposed Aggregate Costs in 2026
Exposed aggregate driveways in Central Indiana typically cost $10 to $15 per square foot installed. For a standard 600-square-foot two-car driveway, that puts the project between $6,000 and $9,000. The price falls between a basic broom finish ($10 to $13 per square foot) and stamped concrete ($18 to $25 per square foot), making it a mid-range decorative option. Our detailed breakdown of exposed aggregate pricing covers what drives costs for your specific project.
The final price depends on aggregate type, driveway layout complexity, and whether decorative borders are included. Custom aggregate blends with imported stone cost more than standard local mixes.
How the Finish Is Created
Exposed aggregate starts as a standard concrete pour with decorative stone mixed into the batch. After the concrete is placed and floated level, the crew applies a surface retarder that slows curing of the top layer. Once the concrete beneath has set, the surface is pressure-washed to reveal the stone underneath.
The timing of the wash is critical. Too early and aggregate dislodges. Too late and the retarder loses effectiveness. Mattingly Concrete’s exposed aggregate finish samples show the range of textures and stone blends available. Some variation in wash depth is normal and fades as the surface weathers.
Durability and Maintenance
Lifespan in Indiana Weather
A properly installed exposed aggregate driveway typically lasts 25 to 30 years with routine sealing. The textured surface handles freeze-thaw cycles well because the aggregate provides natural expansion characteristics within the surface matrix. Stone does not absorb water the way smooth cement paste does, giving exposed aggregate better freeze-thaw resistance than a standard broom finish.
Sealing and Upkeep
Seal annually before winter with a penetrating or clear acrylic sealer to protect the cement paste between stones from moisture. Sealing also prevents aggregate from loosening over time. Annual power washing keeps the surface clean and prevents organic buildup from staining the stone. Avoid deicing salts, which erode the cement paste and can loosen aggregate along edges and joints.
Exposed Aggregate vs. Other Driveway Finishes
Choosing between exposed aggregate and other finishes comes down to budget, maintenance tolerance, and aesthetic preference:
- Exposed aggregate vs. broom finish: Exposed aggregate costs $2 to $5 more per square foot but offers significantly more visual appeal and better slip resistance when wet.
- Exposed aggregate vs. Stamped concrete: Stamped driveways cost $5 to $10 more per square foot and need more frequent resealing to maintain color and pattern. Exposed aggregate is lower maintenance over its lifetime.
- Exposed aggregate vs. Pavers: Pavers cost $15 to $30 per square foot and require periodic releveling and joint sand replacement. Exposed aggregate provides a similar upscale look with less ongoing upkeep.
Frequently Asked Questions
Is exposed aggregate slippery when wet?
No. The textured stone surface provides better traction than smooth or stamped concrete when wet. This makes exposed aggregate a practical choice for the sloped, tree-shaded driveways common around Zionsville and Carmel, where surfaces stay damp longer and a smooth finish can become slick.
Can you add exposed aggregate to an existing driveway?
Exposed aggregate cannot be applied as an overlay. The finish requires aggregate mixed into the concrete before the pour. An existing driveway would need full removal and replacement for a true exposed aggregate surface.
Does exposed aggregate crack?
All concrete can develop shrinkage cracks during curing. Proper control joints, reinforcement, and base preparation minimize cracking. The textured surface of exposed aggregate makes minor cracks far less visible than on a smooth finish.
Get a Driveway That Looks Better With Age
Exposed aggregate hits a sweet spot most finishes miss: more curb appeal than broom finish, less maintenance than stamped concrete or pavers, and a textured surface that withstands Indiana freeze-thaw for 25 years or more. Yearly resealing and avoiding rock salt are about the extent of the upkeep, which is modest next to releveling pavers or chasing color touch-ups on stamped concrete.
If that balance of looks and low maintenance fits what you’re after, Mattingly Concrete has been pouring exposed aggregate across Central Indiana since 1987, with one project coordinator on your job from the first consultation to follow-up. Call (317) 867-4049 or request a free estimate online to see what it would look like on your driveway.
