No One Can Afford This $42 Million San Francisco Penthouse — Obviously

181 fremont
credit: 181 Fremont

San Francisco real estate is notorious for being stupefyingly expensive. So what does one of S.F.'s most expensive listings look like?

living room
credit: 181 Fremont

Well, this beautiful new construction skyscraper penthouse on Fremont Street is currently up for grabs — if you're on board with spending $42 million, that is. The more than 6,900-square-foot penthouse crowns the 181 Fremont Residences building in the South of Market neighborhood in downtown San Francisco. Intrigued? Here are some other things to know about the ultra-luxe building:

The penthouse has been on the market since March.

dining room
credit: 181 Fremont

The five bedroom, six bathroom stunner has 360 degree views of the city, according to CNBC. But no one has made an offer.

Facebook leases the entire office portion of the building.

It's Facebook's first office space in San Francisco, according to the San Francisco Business Times, and the Instagram photo app division will be its first occupant starting this year.

The remaining residences are also swank.

There are 55 residences available in total at 181 Fremont as well as 12 additional accessory suites, which will be available for purchase to the original owners. These accessory suites can function as studio, junior one-bedroom, and one bedroom residences for guests and staff, or as a home office.

There are amenities aplenty.

apartment amenities
credit: 181 Fremont

We're not just talking about a gym or pool. The penthouse owner will have access to amenities such as a wrap around observation terrace, a conservatory, a library, and a concierge, to name a few.

There's no denying the 181 Fremont penthouse is a beautiful space, but it's hard to justify for a whopping $42 million. Nobody has done so just yet, but you never know what the future will bring.