Commercial building classification is a general rating system used mainly for office and, to some extent, industrial and retail properties, helping investors and tenants quickly gauge a building's quality, age, location, and amenities. It's not an official regulatory designation but a widely used industry convention, and specific criteria can vary somewhat by market and by who's making the assessment. Class A buildings represent the top tier — typically newer construction or well-maintained/renovated properties, in prime locations, with high-quality finishes, modern building systems, and strong amenities. These command the highest rents and tend to attract higher-profile, more stable tenants, and generally trade at lower cap rates reflecting their lower perceived risk and strong demand. Class B buildings are solid, functional properties, often somewhat older than Class A but still well-maintained and in reasonably good locations, without the premium finishes or amenities of Class A. These represent a large share of the overall commercial market and are often a value opportunity for investors, offering respectable income with lower acquisition cost than Class A properties, sometimes with upside potential through renovation to reposition toward Class A quality. Class C buildings are typically older, may need significant renovation or updating, and are often in less desirable locations, commanding the lowest rents of the three categories. These properties can appeal to value-oriented and opportunistic investors specifically because of the potential to add value through renovation and repositioning, though they typically carry more risk, more capital expenditure need, and less predictable tenant demand than Class A or B properties.