Commercial Real Estate Basics

I've spent over 18 years working real estate in the Raleigh-Durham Triangle, and one question comes up again and again from owners and would-be investors: how is commercial different from the house I live in? The short answer — commercial real estate is bought and leased to make money, not to live in.

Commercial real estate (CRE) covers properties used for business purposes: office buildings, retail spaces, industrial warehouses, and large multifamily apartment complexes. Those buildings get leased to tenants who run income-generating activities inside them. That single fact — income first — changes how you value the property, how you finance it, and how you manage it.

What Commercial Real Estate Is and Why It Matters

Commercial real estate refers to properties used exclusively for business-related purposes or to provide a workspace. Where residential is about living space, commercial is about the money a space produces. Here in the Triangle, I've watched the growth of Research Triangle Park and the expansion of tech companies in Downtown Durham and Raleigh drive demand for office space and mixed-use developments year after year.

What sets commercial apart

• Used primarily for business purposes
• Longer lease terms than residential
• Higher returns on investment
• Larger initial capital investment up front

Commercial real estate is a cornerstone of economic development — it gives businesses somewhere to operate and gives investors somewhere to grow capital.

The Four Property Types

Every commercial deal I work starts with the category, because each type carries its own tenants, its own considerations, and its own risk-return profile. Here's how the four break down.

Office buildings

Office space is graded into classes, and the class tells you a lot before you ever walk in:

• Class A: Premium buildings with state-of-the-art facilities
• Class B: Older buildings with good management and quality tenants
• Class C: Older buildings in less desirable locations, often needing renovation

Demand for Class A space has surged in the Triangle, especially in North Hills in Raleigh and Downtown Durham. The formats have opened up too — alongside traditional offices, co-working spaces like WeWork and Industrious and executive suites now give startups and remote workers flexible room to grow.

Retail properties

Retail runs from shopping malls and strip malls to standalone stores and mixed-use developments. The Triangle has leaned hard into mixed-use — North Hills in Raleigh and The Streets at Southpoint in Durham stack retail, office, and residential on one footprint. What moves retail value: location and accessibility, foot traffic, anchor tenants, and parking.

Industrial properties

Industrial covers warehouses, distribution centers, manufacturing facilities, and flex spaces that pair office with industrial. The Research Triangle Park area keeps strong demand for warehouses and distribution centers feeding the e-commerce sector. Before I take a client into an industrial deal, we check the things that make or break it: proximity to transportation hubs, ceiling height and loading dock capability, zoning, and environmental considerations.

Multifamily properties

Large apartment complexes are residential in feel but commercial in purpose — they generate income. The type ranges across garden-style, mid-rise, high-rise, and student housing. The Triangle has grown its multifamily stock heavily near NC State, Duke, and UNC-Chapel Hill. What drives those investments: neighborhood demographics, amenities and condition, the local job market, and rental rate and occupancy trends.

The Terms That Run Every Deal

You can't read a commercial deal without the vocabulary. Two areas matter most: how the lease is structured, and what the numbers say.

Lease structures

The lease type decides who carries the costs — and that changes the return math:

• Triple Net Lease (NNN): Tenant pays rent plus taxes, insurance, and maintenance
• Full-Service Lease: Landlord covers most expenses
• Modified Gross Lease: Expenses are shared between tenant and landlord
• Percentage Lease: Common in retail — rent is based on a percentage of sales

Watch the clauses just as closely: rent escalation, tenant improvement allowances, sublease and assignment rights, and renewal options all move the value of a deal.

The financial metrics

These four numbers are how investors and lenders size up a building:

• Net Operating Income (NOI): Gross income minus operating expenses
• Capitalization Rate (Cap Rate): Net operating income divided by property value
• Cash on Cash Return: Annual cash flow divided by total cash invested
• Internal Rate of Return (IRR): The discount rate that makes the net present value of all cash flows equal to zero

When it's time to put a value on the property, three approaches do the work: the income approach (based on the property's ability to generate income), the sales comparison approach (measured against similar properties recently sold), and the cost approach (what it would cost to replace the building).

Due diligence

Before any deal closes, I run diligence on two fronts. Physical: property condition assessments, environmental site assessments, and a zoning and land-use review. Financial: rent roll analysis, an operating expense review, and market analysis with comparables. Skip this step and you buy someone else's problems.

Commercial Versus Residential

Both sides involve property transactions, but they behave differently. Here's the split I walk clients through.

In the Triangle, commercial properties in prime locations like Downtown Raleigh and Durham have posted strong returns off the area's economic growth. And zoning changes — especially in Downtown Durham — opened the door to the mixed-use developments that revitalized that core.

How to Get Started

If you want into commercial real estate, you don't need to know everything on day one. You need a foundation, a network, and a first move. Here's the order I'd give a newcomer.

1. Build your knowledge base. Work real estate degree programs at universities like NC State and UNC-Chapel Hill, professional certifications such as CCIM and CPM, and self-study through industry publications, books, online courses, and webinars.
2. Get into the room. Join industry associations — NAIOP, the Urban Land Institute (ULI), and the International Council of Shopping Centers (ICSC) all run active Triangle chapters with real networking.
3. Work the network. Attend industry events and conferences, use LinkedIn, and join local real estate investment groups.
4. Pick your entry point. Career paths run from commercial agent or broker to property manager, developer, or investment analyst.
5. Choose how you'll invest. Direct property investment, Real Estate Investment Trusts (REITs), crowdfunding platforms, and syndications or partnerships each open a different door.
6. Develop a niche and stay patient. Focus on one property type or market segment, do thorough due diligence, and treat commercial as the long-term game it is.

The Triangle — Raleigh, the City of Oaks, alongside Durham, the City of Medicine, and Chapel Hill — has ranked among the fastest-growing regions in the country, driven by a strong tech and life-sciences job market, top-tier universities, and a high quality of life at a relatively affordable cost of living. From the tech campuses of Research Triangle Park to the revitalized downtowns of Raleigh and Durham, the opportunities are here for people willing to learn and take calculated risks. My team and I are always glad to help newcomers find their footing — reach out and we'll talk through your goals.

Frequently Asked Questions