Exposed Aggregate Concrete Cost

Name: Western Concrete, Stucco, and Hardscapes
Address: 333 City Blvd. W., Ste 300, Orange, CA, 92868, US
Telephone: +1-714-269-5251
Price range: $$

Exposed-aggregate concrete costs more than standard broom-finished flatwork because the mix, placement timing, surface retarder, washing, cleanup, and sealing require additional materials and skilled labor. Aggregate selection, slab preparation, access, project size, borders, curves, and color strongly influence the final square-foot price.

Typical range: $15–$30 per square foot — Southern California (2026 pricing)

What moves the price

Aggregate and mix — Locally available aggregate is less costly than specialty stone, seeded aggregate, custom colors, or architectural mix designs.
Exposure process — Surface retarder, controlled washing, slurry containment, touch-up work, and consistent exposure require extra labor and timing.
Sealer and protection — Premium penetrating or film-forming sealers, multiple coats, anti-slip additives, and return visits increase cost.
Base slab requirements — Thickness, reinforcement, excavation, base, forming, pumping, and drainage are part of the installed cost.
Layout and scale — Borders, curves, steps, multiple elevations, small pours, and difficult access raise labor per square foot.