---
slug: encroachment
title: Encroachment
depth_tier: entry
side: UNIVERSAL
category: Rules
source_id: "RUL-0001"
created: 2026-04-06
updated: 2026-05-18
canonical: https://learningfootball.xyz/terms/encroachment
---
# Encroachment

## Short Definition

A pre-snap defensive foul for entering the neutral zone and contacting an opponent—five yards, play stopped, automatic first down on third or fourth down.

## Definition

Encroachment is a pre-snap defensive foul called when a defender enters the neutral zone and makes contact with an offensive player or causes a movement reaction before the ball is snapped. Unlike offside—which requires only that the defender be in the neutral zone at the moment of the snap—encroachment requires contact or a caused reaction, making it the more serious pre-snap defensive violation. The foul stops play immediately; the offense does not need to run the play to receive the penalty.

The contact requirement is the operational distinction. A defender who creeps to the edge of the neutral zone without touching anyone and retreats before the snap may draw a flag if officials determine he was in the zone at a time that disrupted pre-snap alignment, but he has not committed encroachment unless he contacted an opponent. A defender who brushes the center's arm while jumping toward the ball, who causes the left guard to flinch by getting into his space, or who disrupts a receiver's pre-snap stance has committed encroachment regardless of whether he retreated before the snap.

The automatic first down provision—applied when encroachment occurs on third or fourth down—makes the foul disproportionately costly in high-leverage situations. A defense that forces third and four and then has a defender encroach on the hard count has handed the offense a first down without the offense running a play. The cost is the entire down the defense earned by preventing first-down conversion on the previous two plays.

Encroachment is among the most frustrating fouls in football from a defensive perspective because it is most commonly drawn by offensive strategy rather than caused by defensive error. The hard count—a quarterback deliberately varying the snap cadence to draw defensive movement—creates the conditions for encroachment by targeting the defender's mental discipline. A defense whose front can hold still through multiple hard counts is harder to draw encroachment from than one whose defenders anticipate the snap.

## Example

"Hard count—the defensive tackle jumps and grazes the center's arm before the snap. Encroachment. Five yards, automatic first down on third and four. The offense got the first down without running a play, and the defense gave it up because one player couldn't hold still through the count."

## Common Confusion

Encroachment and offside are called interchangeably. They're different fouls. Offside is called when a defender is in the neutral zone at the snap. Encroachment requires contact with an opponent or causing a reaction before the snap. Both are pre-snap defensive fouls, but encroachment is the more serious violation because the defender made contact.

---
Source: https://learningfootball.xyz/terms/encroachment