Basic
$53 – $178 per sq ft
3 cm resin-backed onyx slab with soft banding in a light honey tone, polished eased edge, sink cutouts, sealed

Fabricate and install onyx slab countertops with standard edge, cutouts and sealing.
Onyx Countertop in Washington, District of Columbia typically costs $63 to $209 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for onyx countertop.
National average: $60 – $200 per sq ft
$53 – $178 per sq ft
3 cm resin-backed onyx slab with soft banding in a light honey tone, polished eased edge, sink cutouts, sealed
$63 – $209 per sq ft
3 cm resin-backed onyx slab with fuller banding, polished eased edge, sink cutouts, sealed
$78 – $262 per sq ft
3 cm resin-backed onyx slab with bold, dramatic banding, polished eased edge, sink cutouts, two coats of sealer
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $28 – $95 | sq ft |
| Labor | labor | $22 – $73 | sq ft |
| Supplies & Other | supplies | $7.56 – $25 | sq ft |
| Equipment & Disposal | equipment | $5.04 – $17 | sq ft |
See how onyx countertop looks in each style, with photos of real projects by working designers.
Washington's row houses and Georgetown Federal buildings set a formal traditional baseline: symmetry, millwork, shutters and period detail. Renovations often keep the shell and insert a crisp contemporary kitchen or bath.
Work by Washington designers first, then the styles Washington draws from.
Maximalist kitchen
Photo: Zoe Feldman Design · Profile
Traditional kitchen
Photo: Cabana Home · Profile
Traditional kitchen
Photo: Cielo Home · Profile
Traditional kitchen: Kitchen 2
Photo: David Heide Design Studio · Profile
Traditional kitchen
Photo: Debra Butler Design Studio · Profile
Traditional kitchen
Photo: Designs Unlimited · Profile
Traditional kitchen
Photo: Dogwood Proper · Profile
Traditional kitchen: Elevated Classic Kitchen
Photo: Flemming Interiors · Profile
Traditional kitchen
Photo: Jennifer Taylor Design · Profile
BuildX Pro researches and reviews the national price range for Onyx Countertop, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local onyx countertop contractors in Washington for personalized quotes based on your specific project.