13 Construction Workers Of Reddit Describe The Creepiest Secret Rooms People Have Asked Them To Build

Secret rooms in houses give homeowners a way to indulge in fantasies not suitable for daylight, stockpile defensive items, and keep valuables hidden. Who hasn’t dreamed of having a secret room hidden beneath a trap door or maybe behind a bookcase? But while the dream may be innocent, the reality often leans towards the macabre. According to the contractors and builders hired to build them, certain secret rooms are just plain creepy.


A Place To Spy On Guests

From Redditor /u/I_AM_POOPING_NOW_AMA:

Never built one, but I did find one in a house I was doing some plumbing work in once. This was an expensive condo, and they had a secret office that had a secret one way mirror looking into the GUEST SHOWER. Creepy as f*ck, man.

A Dungeon With A Drain

From Redditor /u/scottsuplol:

Had a request to build a hidden room which was to my belief be used as a sex dungeon. He requested low hanging support beams, a sunken in part for “storage” we painted it in red and black colors. The floor was tiled in one portion for a drain.

A Hidden Apartment

From a former Redditor:

There was one I never saw the finished stages of that was basically an entire apartment accessible only by a small hatch in a closet. Either the home owner was planning to harbor criminals, or a mistress, a man in an iron mask, or just really wanted to be able to get away from his family. Hope it wasn’t like an HH Holmes thing.

Did a lot of mansions and this wasn’t insanely common but far more than I expected. There was one builder that did a lot of these houses who managed to find a retired electric chair that he kept in a hidden room. He “joked” that when his kids were bad he would make them sit in it for few hours. It didn’t have power running to it but still.

A Secret Safe Room In An Unlikely Building 

From Redditor /u/ivegot2legs:

I had a client once who wanted a safe room. Full concrete, ballistic glass, rated to withstand explosions, reinforced doors, separate power and HVAC systems. Dedicated phone and tele/data as well with direct alarms to security and the police.

The thing that was unusual was that they wanted it handled entirely separately. A different building permit, with a different crew, all work being done at night. If anyone was ever able to find blueprints or permits to plan a Hollywood-style caper, they wouldn’t know about the safe room. (This was a public building, not a private residence.)

A ‘Survival’ Bunker

From Redditor /u/Barley_Hops_Water:

Electrician here. Have done a few. The coolest was a secret passage-way and attached room in a very nice house. It was hidden by a movable bookshelf on both ends. The guy said he didn’t have a specific reason for building it, he just always thought it would be cool to have a secret passage-way in his house.

The other one that stands out was an underground survival bunker accessed through a hidden door in the back of a garage. It had an additional exit by means of an underground tunnel that lead almost 100 feet in the bordering forest. The strangest thing about it was that it was a survival bunker that he had us wire with outlets and lights, despite there not being any type of of back-up/off-the-grid power. Makes me think that he actually had an alternative purpose for the shelter.

A Quiet Place To Sneak Away

From Redditor /u/ceigetank:

Ive been painting houses since I was 15 and I’ve done two. One was a room behind a bookcase for the kid’s playroom. The second was in a millionaire’s summer home. On the fourth floor of the house, there was a closet on the same wall as the elevator. A section of drywall came away and lead to behind the elevator. There was a wooden ladder that went up and down the entire house, at the very top was a trap door that lead to a small room that was about 6 by 6 feet. It had windows and vents that could be opened or sealed completely. Pretty sure it was for their son to hotbox.

A Surprise For The Next Homeowners

From Redditor /u/mangster83:

My dad is a doctor, and does a lot of construction at home on his free time. This one time he was moving a wall, making one room smaller and another bigger. He was putting a entire-wall-bookshelf kind of thing in the smaller room, and just to f*ck with future homeowners he snatched one of those plastic skeletons from his job and hid it in the space between the bookshelf and the wall

I expect headlines sometime in the future.

A Plan For When The Kids Are Born

From a former Redditor:

Wife and I had a secret, soundproof “sex dungeon” type room built adjacent to our bedroom. The reason for the room is that we have various devices in there that are impractical to disassemble and put away when we have friends over (or the day we have kids and still want to enjoy our fun discreetly).

We had some devices installed when we built the room, such as a large metal cage and other restraining devices. The people who built the room probably asked us a hundred times if we were sure we didn’t plan to abduct people. The architect nearly dropped the project when I jokingly asked him to make sure there’d be an electric outlet to plug a chainsaw.

A Hidden Place To Get High

From Redditor /u/Kraus247:

I used to work construction over the summers in high school and within just a few miles of where I grew up there are 20,000sq+ foot homes…anyway this one client (who was pretty well know for being a CEO of a large corporation) requested a secret self-contained smoking room. Complete with secret entrance, a bathroom, cedar paneling, self-contained heat and A/C, and an industrial sized smoke-eater. Along with hideaway shelving that would store an endless amount of mason jars full of pot. Also has some crazy vaporizer as well. He would have meetings upstairs in his underwear and robe whole being high as f*ck.

An Ultra-Secure Mystery Room

From Redditor /u/sloppyjoes7:

We worked on what was supposedly going to be a hidden/secret walk-in safe in the basement. This room was heavily reinforced.

Normally, walls around doors are framed using wood. This door frame was solid reinforced concrete. The room was a square attached to the outside of the basement, so all four walls were concrete. We poured concrete above it, so the ceiling was concrete. (Very unusual!) We also poured the floor.

So, it was six sides made of concrete. Since it was attached to the outside, there was no sign that it existed from the inside. No ventilation. No wiring from what I saw.

I never saw the finished product, but the owner was keeping it a secret, and wouldn’t explain much about it. So another contractor finished it off.

A Way To Get Late-Night Snacks Without Waking The Kids

From Redditor /u/DavidSlain:

There’s this one house we did where there was a concealed stairway from the master bedroom to the dining room, just so the parents could get booze and snacks without walking past the kid’s rooms. Concealed because at the top of the stair was a massive safe.

A Dead Space For Growing

From Redditor /u/billmofomurray:

During the finishing stages of doing a basement the customer decided she wanted a wall with dead space behind it. Gave no reasoning, only details how big she wanted it. I had joked multiple times it would end up being a tiny grow room for marijuana.

It ended up becoming a small grow room for marijuana.

A Secret Behind A Wine Cellar

From Redditor /u/scrappyjack:

I was a custom interior carpenter and I did two. One was a bookcase that opened up into a large storage area.

The other was a hidden room behind their wine cellar. We installed a custom wine rack on a piano hinge, with a latch in the space behind one of the bottles. In the room, they installed a safe and a gun safe. All of the electronics for the house lived down there, as well as a panel that opened up into the main living room, in case you wanted to shoot an intruder from the safe room.

Booze, guns, and safety all in one place. I guess what I’m saying is that I know where I’m going when the zombies come.

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