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Before You Start

Paint the post, post arm, bracket and finial with two coats of high-quality exterior paint before starting the project. You'll need to touch up a few spots after it's been installed.

Diagram of Mailbox[+]
Bracket Template[+]

TIP

Basic brackets and finials are available through home centers, but specialty woodworking catalogs or retailers such as Cumberland Woodcraft Co. carry dozens of fun, fanciful decorative brackets. You can also make your own.

Step 1: Mark the End of the Support Arm

Using the center of the support arm as a reference, trace around the bottom of a paint can to make the inward and outward curves. Repeat on opposite side.

Step 1: Mark the End of the Support Arm[+]

Step 2: Cut the Curved End

Use a jigsaw with a long blade to make a series of relief cuts perpendicular to the S-shape curve, then cut along the curved line from both sides. Hand sand or power sand the curve to smooth the contour.

Step 2: Cut the Curved End[+]

Step 3: Shape the Post Top

Use a hand plane, belt sander or saw to taper the top corners of the support post. Drill a hole in the center of the top to accommodate the mounting dowel of the post's finial.

Step 3: Shape the Post Top[+]

Step 4: Cut the Arm Recess

Mark a 3 1/2-in. wide space on the support post, then use a circular saw set at a depth of 1 1/2-in. to make a series of relief cuts. Use a hammer and chisel to create the notch, then slide the arm into the notch and secure with 4-in. long screws.

Step 4: Cut the Arm Recess[+]

Step 5: Add the Bracket and Finial

Install the decorative support bracket and finial. Use paint to touch up the tapered post top and other areas, then install the post.

Step 5: Add the Bracket and Finial[+]

Finishing Touches

To install the post, dig a 24-in. deep hole, insert the post, then fill the hole with rapid-set concrete. Make sure the arm is at the correct height and that the post is plumb. Slope the top of the concrete so water will run away from the post.

Finished Mailbox[+]
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How to Build a Mailbox Post

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