The building that is renting San Francisco's smallest apartment also has a unit that combines a shower, toilet, and sink

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It's no surprise that real estate in San Francisco is pricey.

• San Francisco is known for its ranking as the most expensive rental market in the US.
• Business Insider, with the help of Zumper, identified the smallest apartment in the city.
• Another apartment in the same building is notable for the fact that it has a small kitchen area, a shower/sink/toilet combination, and not much else.
• Visit Business Insider's homepage for more stories.

To live in the most expensive rental market in the country, you might have to make a few sacrifices.

Business Insider, with the help of Zumper, recently identified it as the smallest listing in the entire city.

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Typical San Francisco rents can easily cost around $4,500, but a studio in the Lower Nob Hill area is an appealing $2,295 a month, according to a listing on Zumper.

Another apartment in the same building, which is not currently listed for rent, is also notable for the fact that it has a small kitchen area, a shower/sink/toilet combination, and not much else.

Not everyone can live with their bathroom practically in their kitchen, but in San Francisco's tough rental market, beggars can't be choosers.