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QR codes on yard signs: how to see which one buyers scan

Updated October 2, 2026 · 4 min read

A QR code on a yard sign lets someone walking past see the home's details without calling. Set it up well and it also tells you which signs and flyers people actually use.

One code per placement

If the yard sign, the flyer box and the open house board all share one code, every scan looks the same. Give each placement its own code instead, all pointing to the same listing page. Then you can see that the corner sign got scans and the flyer box didn't, and spend next time accordingly.

Point it at a page built for a phone

The person scanning is standing on a sidewalk with one hand free. Send them to a fast page with photos, price, beds and baths, an "Ask about this home" button and your number. Not your home page, and not a search portal that shows other agents' listings next to yours.

Make it readable from the sidewalk

  • Size: a common rule of thumb is that a code reads from about ten times its own width. A 3-inch code reads from roughly 2.5 feet, so on a yard sign 6 inches or more is safer.
  • Contrast: dark code on a light background. Avoid light-on-dark, gradients and photos behind the code.
  • Quiet zone: leave a clear margin around the code, about four modules wide, with nothing printed in it.
  • Test: scan the printed proof with two different phones from the distance a buyer would stand, before you order the full run.

Watch out for codes that expire

Some free QR generators make "dynamic" codes that route through their servers. If the subscription lapses, the code on your sign can stop working or show someone else's ad. Use codes that point to an address you control.

Count scans without tracking people

You only need to know how many times each sign was scanned, not who scanned it. A good setup counts scans per device per day, ignores bots, and doesn't keep IP addresses.

How Mullion handles it

Each listing gets its own mobile page, and you can make a separate QR code for every sign, rider, flyer and card. Scans are counted per placement, with no IP addresses stored. The codes point at your own Mullion address, so they keep working. In the sign studio, the QR button drops the code onto the design as sharp vector shapes for print.

Your firm name still has to appear on the sign itself, not just on the page the code opens (WAC 308-124B-210).

Source: WAC 308-124B-210, Washington State Legislature