Custom Black Walnut Wide Plank Countertop

Our custom walnut wide plank countertops are crafted from sustainably sourced American Black Walnut with long, continuous boards that highlight the wood’s natural grain and rich chocolate-brown color. Built to order in custom sizes with premium finish options for kitchens, islands, bars, workspaces, and more.

Custom Walnut Wide Plank Countertop Details

Handcrafted in Colorado from sustainably sourced American Black Walnut, our custom wide plank countertops highlight the natural beauty of long, continuous hardwood boards. Each countertop is built to order by our artisan woodworkers and customized to your exact specifications for kitchens, islands, bar tops, workspaces, bathroom vanities, and more.

American Black Walnut

American Black Walnut is prized for its rich chocolate-brown tones, elegant grain patterns, and natural durability. Walnut can also include subtle red, purple, golden, or gray undertones, giving each countertop depth and natural variation. Its refined character works well in traditional, contemporary, craftsman, mid-century modern, and industrial interiors.

Wide Plank Construction

Wide plank countertops are made from wider full-length boards selected and arranged to showcase the continuous grain of the wood. This construction style creates a furniture-like appearance with fewer glue lines than traditional butcher block, making it especially well suited for islands, bar tops, desks, vanities, and statement surfaces.

Finish Options

Every countertop is made to order and available in a range of sizes, edge profiles, and finish options. Choose from food-safe finishes including mineral oil and beeswax, tung oil, Rubio Monocoat, or our durable Impermio film finish for enhanced moisture and stain resistance.

Rubio Monocoat is available in a range of colors, which can be reviewed on the Rubio Monocoat color guide. Some Rubio color selections may require additional charges depending on the color, application requirements, or project specifications.

Custom Features

  • Sustainably sourced American Black Walnut
  • Wide plank construction with long, continuous boards
  • Rich chocolate-brown color with natural undertones and variation
  • Custom sizes available
  • Premium food-safe finish options
  • Suitable for kitchens, islands, desks, vanities, and bar tops
  • Furniture-like appearance with fewer glue lines than traditional butcher block
  • Handmade in Colorado

Measuring & Ordering

This custom walnut wide plank countertop is built to your selected dimensions, edge profile, finish, and project details.

Enter your countertop dimensions in whole inches, then use the “Plus” fields to add any fractional inch measurement. Width or depth is measured across the grain, while length is measured in the direction of the wood grain. For more help, see our sizing guidelines.

Each countertop is made to order based on the dimensions, edge profile, finish, and project details you select. If your project requires unusual sizing, special cutouts, matching pieces, waterfall construction, or other custom details, include those notes when ordering or contact us before placing your order.

For the most accurate fit, we recommend confirming your final measurements after cabinets, supports, or appliances are installed. Custom wood countertops are built to the dimensions provided, so careful measuring is important. To understand the full process from order to delivery, visit our From Design to Delivery page.

Lead Time & Shipping

Most custom wide plank countertops with a mineral oil finish are ready to ship in approximately 1–2 weeks. Lead times may vary based on order size, wood availability, production schedule, and project complexity.

Finish selection can affect production time. Rubio Monocoat typically adds about 3 days. Pure tung oil and Impermio Film Finish typically add about 5–7 days because they require additional curing and handling time before the countertop can be packaged safely.

Larger countertops, multiple-piece orders, custom edge profiles, cutouts, waterfall details, or special project notes may also extend lead time. We will contact you if your order requires clarification before production.

Countertops are carefully packaged for shipment after finishing and final inspection. Shipping time depends on destination, size, weight, and carrier requirements. Before delivery, please review our shipping and receiving guidelines so you know what to expect when your countertop arrives.

Installation & Care

Allow your countertop time to acclimate to its installation environment before securing it in place. Store it flat, fully supported, and away from direct heat, moisture, or extreme humidity changes.

Countertops should not be left uninstalled for more than two weeks. Solid wood responds to changes in temperature and humidity, and extended storage without proper installation can increase the risk of movement.

For complete guidance, review our installation and care instructions before your countertop arrives.

Please Note

Because solid wood is a natural material, variations in grain, color, figure, and plank layout are expected and contribute to the unique character of each piece. Walnut may include chocolate-brown tones, lighter sapwood, red or purple undertones, mineral streaks, knots, and other natural features. Natural aging and exposure to light will also affect the appearance of walnut over time.

Enter whole inches first, then use “Plus” for any fractional inches. Width/depth is measured across the grain. Length is measured with the grain.
Enter the width of the piece across the grain in whole inches. Add fractional inches in the next field.
Add any fractional amount beyond the whole-inch measurement.
Enter the length along the grain in whole inches. Add fractional inches in the next field.
Add any fractional amount beyond the whole-inch measurement.
Select Black Walnut offers a cleaner all-heartwood look. Character Black Walnut allows more knots, mineral streaks, grain variation, and natural character marks.
Our design team will reach out once the order is placed to finalize design details
Tell us anything we should know about your project, including wall edges to leave square, layout notes, grain preference, installation details, or special requests.
Grand total

Finish Selection Guide

Select a finish based on how the surface will be used and maintained over time.

Mineral Oil & Organic Beeswax

Best for: Frequent chopping
Maintenance: Frequent, easy
Feel: Soft, natural matte
Repairability: Excellent

Pure Tung Oil

Best for: Infrequent chopping
Maintenance: Periodic, more involved
Feel: Satin, warmer tone
Repairability: Good

Rubio Monocoat™

Best for: General use surfaces
Maintenance: Low
Feel: Matte, raw wood appearance
Repairability: Localized repairs possible

Impermio™ Film Finish

Best for: High moisture / heavy use
Maintenance: Minimal
Feel: Sealed, protected surface
Repairability: Not spot-repairable

How to Choose

  • Choose Mineral Oil & Organic Beeswax for active chopping surfaces that can recover from wear over time
  • Choose Pure Tung Oil for reduced maintenance with occasional cutting and a warmer, naturally evolving appearance 
  • Choose Rubio Monocoat™ for low-maintenance, general-use surfaces without direct cutting
  • Choose Impermio™ Film Finish where moisture resistance and long-term protection are the priority

View Full Finish Guide →

Edge Profile Guide

Use this guide to compare available edge profiles. Final shaping may vary slightly based on thickness and project requirements.

Drawings are shown on 1 ½” thick material for reference. Profiles may appear slightly different on thicker pieces.

Standard

Squared
   

Eased
1/16" Radius

Pencil
1/8" Radius

Small Roundover 3/16" Radius

Medium Roundover 1/4" Radius

Large Roundover
3/8" Radius

Extra-Large Roundover
1/2" Radius

Bevel

High Design

These profiles require additional shaping and may affect final pricing.

Bias

Shark Nose

Sting Ray

Drift

Crescent

Reverse Demi

Traditional

These profiles require additional shaping and may affect final pricing.

Bullnose

Roman Ogee

Traditional Ogee

Cove and Bead

Roundover with Bead

Looking for a custom edge profile?

We can create many custom profiles beyond the options shown here. Some can be made with existing tooling, while others may require custom tooling, additional design time, and added cost. Contact us before ordering if you have a specific profile in mind.