They’re a fixture of the city that can seem as commonplace as pizza slices and pigeons: small, old office buildings with no-nonsense lobbies and mom-and-pop-type tenants, often tucked away on side ...

What Is a Tier Building? A tier building refers to a property categorized into one of three standard classes—Class A, Class B, or Class C—based on factors such as location, amenities, construction ...

Apartment rents are rising explosively across the U.S. But at older, less-expensive properties, lower-income and moderate-income renters may strain to pay the rising cost. That may be why the rents ...