Despite their unofficial status, blue stop signs should always be taken seriously. On private property, failing to stop could still result in collisions, near-misses, or violations of local rules such as those enforced by a homeowners’ association. Even if the law doesn’t require compliance in the same way as on public roads, safety should.

The best practice is to treat any stop sign — no matter the color — as a full stop. Pause completely, check for pedestrians and cross traffic, and only proceed when it is safe. Blue stop signs may not be standard, but their message is identical to their red counterparts: protect yourself and others by stopping, looking, and moving forward with caution.