For businesses seeking office space rentals, it’s important first to understand which class a potential option falls into. Identifying whether a space is Class A, Class B, or Class C is essential to decide whether a building is feasible for them. But what do these building classification criteria actually mean? And is it an official categorization system?
Although it's an unofficial office building grading system, it’s widely used across real estate markets to classify a building’s worth and value. Brokers, landlords, and property managers use these letter grades to rate a property’s quality. These office building classes aren't a national standard, but they are still widely used to assign a property a particular market value.
In this blog, we’ll cover this unofficial office building rating system in detail and explain how these three building classifications work. You will learn how Class A vs Class B office space compares to Class C space. We’ll also debunk common misconceptions, like that Class B office space is always better than a Class A office building. Read through, and you will be able to choose the right office rental for your business.
How Office Buildings Are Classified (And Who Does The Classifying)
Tenants want the best deal for the price. Most don't know about building classifications, a common real estate standard. Office buildings are classified as Class A, Class B, or Class C based on different factors and local market data. Although it's an unofficial grading system, it has become a standardized way to rank properties based on factors like age, location, amenities, and quality. Neighborhood status and condition also affect a rental property's rating.
This system gained wide acceptance because no formal or universal standards exist. So who does the classifying if there’s no official government or international governing body involved? Commercial real estate brokers, property owners, landlords, and investors do. But what guidelines do they follow? They follow general guidelines from organizations like the Building Owners and Managers Association (BOMA International), but their classification remains relative to the local submarket. For instance, a top-tier building in a small town might be considered Class B or C in a major metropolis like Manhattan.
Class A, B, And C Compared
Each class offers something different. No standard or one-size-fits-all class can be considered suitable for all businesses. Different classes offer different benefits to tenants with different needs. A business may need a fully furnished, prestigious office space as part of its routine work, while another may need only a functional space without high overhead costs.
Each property type offers unique risks and returns, as properties are graded based on several geographic factors and the building's physical traits. A, B, and C aren’t just letters; they denote a property’s value.
Typical Features And Finishes
Not every business operates the same way. Their operations, goals, and objectives vary. A venture needing a premium, flagship-quality rental would choose a Class A office space, as it rightly justifies its status. Those wanting an average yet fully functional space would prefer a Class B office space. Those fine with operating in a less desirable area may choose a Class C office space. Understanding the difference between Class A and Class B office buildings is essential for businesses to know what each class entails.
Class A
These depict the highest-quality buildings in a given market and command above-average rents.
Location: Prime, highly prestigious addresses in the central business district or major transit hubs.
Age & Condition: New construction or major, recent renovations.
Finishes: High-end architectural features, floor-to-ceiling glass, stone tile, and premium millwork.
Amenities: Top-tier features like 24/7 security, concierge services, fitness centers, on-site dining, and advanced tech infrastructure.
Class B
Class B properties serve as the functional “middle ground” of commercial real estate. These rentals offer average market rents.
Location: Solid, convenient markets, often just outside prime CBDs.
Age & Condition: Typically 10 to 30 years old, well-maintained, and fully functional.
Finishes: Fair to good interior finishes, standard hardware, and adequate mechanical systems.
Amenities: Basic expected perks like standard parking, elevators, and functional meeting spaces without high-end luxury flair.
Class C
These properties represent the most affordable and budget-friendly option, often called the utilitarian tier of office space.
Location: Less desirable secondary areas or older industrial peripheries.
Age & Condition: Usually 30+ years old and often requiring significant repairs or modernization.
Finishes: Dated elements like dropped ceilings, basic mid-grade carpet, and older utilitarian architecture.
Amenities: Minimal to no extra services, less efficient elevators, and basic or antiquated infrastructure.
Typical Rent Positioning
To decide which Class of office rental space a business should choose, they also need to weigh rental rates. Different office classes command different rents. Higher rents often reflect upscale amenities and added services, and the best option depends on a business’ needs and financial capabilities.
Class A
Consisting of new or heavily renovated properties, equipped with top-tier, modern amenities, and located in prime areas, Class A rental buildings command the highest rental rates in a local market. The price is completely justified, as businesses get features like high-end lobbies, concierge services, fitness centers, and advanced technology readiness.
Class B
Class B properties generally command moderate rental rates compared with Class A properties in the same local market. They typically offer well-maintained, functional office space with professional features and amenities, making them an appealing option for businesses that want to balance quality with affordability.
Class C
These are the most budget-friendly options. They typically command below-average rental rates within the local market, offering an affordable option for businesses that prioritize cost and functionality.
Comparison Table: What Tenants Actually Get At Each Tier
Renting office space is a significant investment for any business, regardless of size. Businesses need to understand that class classification is a relative quality rating, not a legal grading. A building’s class is judged against the local submarket rather than following a universal standard.
Feature
Class A
Class B
Class C
Age & Condition
Under 10 years old or recently renovated with top-tier finishes.
10 to 20 years old; well-maintained and functional.
20+ years old with visible wear and dated infrastructure.
Location
Prime downtown or high-prestige business districts.
Good locations, often near business hubs or suburban peripheries.
Less desirable, secondary, or fringe neighborhoods.
Amenities
Full-service fitness centers, 24/7 security, high-end lobbies, and cafés.
Basic parking, shared spaces, and standard meeting rooms.
Minimal to none; small or basic hallways and slow elevators.
Building Systems
State-of-the-art HVAC, high-speed elevators, and robust IT infrastructure.
Functional, reliable HVAC and elevators, but standard quality.
Aging or outdated systems; limited climate control or slow service.
Rental Rates
Above-market, top-tier pricing.
Average or moderate market rates.
Below-market, budget-friendly pricing.
Typical Tenants
Blue-chip corporations, law firms, and established enterprises.
Startups, mid-sized firms, and regional professional services.
Budget-conscious or local family-run businesses.
The Value Question: When Class B Outperforms Class A For Your Business
It’s absurd to assume that Class A is always the best among the three classes of offices. While Class A rentals do offer the best value for the price, they usually appeal only to a select group of buyers. Sometimes a business should choose Class B over Class A. Class B buildings outperform Class A when a business prioritizes lower base rent, functional utility, and predictable overhead over high-end prestige or luxury amenities.
Here are reasons why Class B can outperform Class A:
Lower Base Price
Class B office space is significantly cheaper month to month, making it ideal for startups, growing small businesses, or budget-conscious establishments.
Value Without Excess
When a business doesn’t have a high-profile client base, it doesn't need to impress in a flashy trophy tower; Class B does the job. It delivers the professional environment a business needs without charging for unused luxuries.
Practical Locations
Being the best alternative to Class A offices, Class B properties sit just outside core downtown zones. They offer easier, cheaper parking and shorter commutes for employees living in suburban areas.
Risk-Adjusted Efficiency
During tight economic times, Class B assets can provide stable, resilient returns because they match broader market demand for affordability.
How To Evaluate A Specific Building Beyond Its Label
Businesses exploring a viable office building need to think beyond its Class classification. Instead of searching queries like "Is Class B office space worth it?" or "What are the typical Class A building amenities?" or "What is the Class A vs Class B rent difference?" they need to analyze the property’s core operational, financial, and physical factors. Class grades/labels are relative to local markets and lack formal standards. Hence, it’s advised to evaluate the following areas:
Infrastructure And Systems
You don’t want to enter a lease and end it early because the infrastructure and systems weren’t up to standard. For this reason, check the HVAC reliability by checking the age and maintenance history of heating and cooling units. Count the elevators and evaluate average wait times during peak morning and lunch hours. Confirm the building can support heavy server loads and modern high-speed fiber internet.
Total Occupancy Costs
Get details about Operating Expenses (OpEx) by asking for a breakdown of CAM (Common Area Maintenance) fees, taxes, and insurance, which can change the actual cost of a lower-rent building. Assess utility efficiency to make more informed decisions when comparing related options. Also, calculate what the landlord is willing to contribute towards Tenant Improvement (TI) allowances.
Access And Environment
Commuter convenience is essential to evaluate an office building's practical suitability. Test actual travel times by public transit and major highways, and check the availability of on-site or nearby parking. Check the surrounding amenities that will support employees' daily needs. Last but not least, research who manages the property and assess their reputation for handling routine maintenance and emergency repairs.
Riverview Innovation Center—A Premier Class A Office Building
At Riverview Innovation Center, we understand how crucial it is for businesses to evaluate an office property's class before considering it further. Knowing a property’s Class isn’t just about its amenities or aesthetics; it's about whether it aligns with your business needs. Because each class brings its own risks and rewards, it comes down to whether it meets your business criteria.
Businesses exploring a Class A office building for leasing can contact us at Riverview Innovation Center. At our multi-purpose facility spanning about 23 acres, you'll find numerous rental options to choose from.
With plenty of high-end on-site amenities, modern spaces to choose from, and abundant parking, it’s clear why Riverview Innovation Center should be your preferred choice for Class A office space.
See where Riverview Innovation Center stands: browse our building information or contact us for additional information.
FAQ
1. What is the difference between Class A and Class B office space?
A Class A office space provides top-tier quality, prime locations, and premium amenities at premium rent. On the other hand, a Class B office space offers functional, well-maintained environments at average market rates.
2. Is there an official body that assigns building classes?
No, there isn’t an official, central governing body or government agency that formally assigns Commercial Real Estate (CRE) classes (Class A, B, or C). These classifications are subjective, relative, and determined informally by the market.
3. Is Class C office space bad?
No. Although it's the lowest tier of commercial real estate, offering basic, functional shelter at the most affordable price, Class C office space can’t necessarily be called "bad."
4. What class of building is best for a small business?
A Class B building is usually the best overall choice for a small business because it combines good quality with functional space at an affordable price.
5. Can renovations change a building's class?
Yes, strategic renovations can absolutely change a building’s market classification. Property class upgrades typically happen in two ways: Class B to Class A or Class C to Class B.