Sim

Por exemplo ...

Eles podem se tornar Implantáveis, de modo que, mesmo que alguém os encontre, eles não podem dar instruções gráficas.

So Durmstrang’ll just look like a ruin to an outsider too?”

“Maybe,” said Hermione, shrugging, “or it might have Muggle-repelling charms on it, like the World Cup stadium. And to keep foreign wizards from finding it, they’ll have made it Unplottable —”

“Come again?”

“Well, you can enchant a building so it’s impossible to plot on a map, can’t you?”

—Harry Potter and the Goblet of Fire

Isso também menciona vários outros métodos de ocultação.

Encantos repelentes a trouxas

Os magos podem dificultar ou impossibilitar que tipos não-mágicos se aproximem de um prédio desses.

“Seats a hundred thousand,” said Mr. Weasley, spotting the awestruck look on Harry’s face. “Ministry task force of five hundred have been working on it all year. Muggle Repelling Charms on every inch of it. Every time Muggles have got anywhere near here all year, they’ve suddenly remembered urgent appointments and had to dash away again . . . bless them,” he added fondly, leading the way toward the nearest entrance, which was already surrounded by a swarm of shouting witches and wizards.

—Harry Potter and the Goblet of Fire

Então isso tornaria a descoberta muito difícil.

Eles podem ser disfarçados

“Just you, then,” said Ron. “So go on — how d’you hide a place like Hogwarts?”

“It’s bewitched,” said Hermione. “If a Muggle looks at it, all they see is a moldering old ruin with a sign over the entrance saying danger, do not enter, unsafe.”

—Harry Potter and the Goblet of Fire

Existem muitos outros mecanismos, como os Charms de Memória, os Feitiços de Fidelius e vários outros que podem ajudar a esconder a existência de edifícios mágicos. O componente primário, no entanto, parece ser que, no Potterverso, tanto os magos quanto os trouxas estão consideravelmente menos interessados no outro do que provavelmente seria o caso em nosso mundo. (Alguém deveria escrever um fanfic).