This evening, I had the unfortunate luck of someone completely taking out my wooden mailbox with their side-view mirror, leaving only the post. It was a total accident, and he was quite apologetic, and I had my mailbox back up in about an hour with the help of some 1 1/4" brads.

The mailbox is now firmly reassembled - the only trouble is that he knocked it hard enough that the post is now wobbly! I'm not sure how deeply it's sunk in the ground, and from the way it wobbles, I'm pretty sure it's just a ~4"x4" wooden post sunk into the dirt. What is the best way (where best in this case means quickest and cheapest, without being slipshod) to firmly fix that post in place?

7 Answers 7


You have a couple of options that I can think of, assuming that the ground around the post is fairly firm:

  1. Wedge something in next to the post. (thin rocks, cut down cedar shingles, etc.)
  2. Fill in the gap next to the post by pouring in sand

If the ground's soft, you'll need to re-compact the soil around the post. (and if it's not soft, you can always loosen it up, then re-compact it, as in some cases that may be the easier fix)


The post may be broke off in the ground. If it's really wobbly, it won't hurt to try and yank it up and take a look. You could try to sink something like a 1x4 down long side the existing post. Of if the existing post isn't too damaged, maybe dig around it and pour some post hole cement in. It's like $5 for a 50lb bag at most big box home stores, you just dump it in the ground and add water, no special mixing or anything.

If you end up replacing it, use something that is pressure treated so it won't rot quickly, although anything in contact with the ground will rot eventually.


I would pull the post completely. If it is showing some rot below ground (possibly why it is wobbly) I'd replace the post with a new one or cut off the rotten part. Then buy a stake meant for this purpose. I used one years ago that was just a heavy steel stake, driven into the ground with a sledge. The wooden post itself is then screwed to the stake, so all wood stays completely above ground. A quick check online shows an anchor that you screw into the ground, or this stake that is driven by a sledge.

  • 4
    It's wobbly because someone hit it, not because it is rotten. It was just fine, and not rotten, before someone hit it. But now, someone hit it, and it is wobbly, and not rotten. ;)
    – Nate
    Nov 19, 2010 at 13:05
  • 6
    @Nate:Did somebody hit it or something?
    – Tester101
    Nov 19, 2010 at 13:09

I found a product called Securepost on Amazon that is made to straighten mailbox posts. It is a plate that you dig down 4 inches and wraps the post and then pound 6 stakes through it. It worked for me.


This person used external guy wires:


enter image description here

A relatively quick and cheap fix is to drive a steel angle down beside the post and lash it with bailing wire. It's not particularly pretty.

  • That is ONE FUNNY PICTURE 🤭🤭🤭🤭. Looks the guy put a 2x4 wedged in between a low Telecom line and the mailbox. Laugh for the evening. 🙂 Aug 26, 2019 at 2:48

Dig a hole larger than the post and put gravel into the hole until the post sits on top of the gravel at the right height. Then add gravel around the post a little at a time and keep packing it in. The gravel is harder to displace than dirt, and it allows the water to drain away from around the post so it doesn't rot as quickly.


Dig out the post set a new one in its place. If there is concrete I use a demolition breaker to break it up, then remove concrete and add a new steel post followed by concrete. Dome the concrete to shed water away from the post.

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