
How Do I Know What My Commercial Property Is Worth?
Knowing what a commercial property is worth from an owner’s perspective combines income analysis, market comparison, and professional valuation tools to produce a defensible number. Owners considering refinancing, selling, or estate planning need reasonable value estimates. Macomb County commercial owners have several paths to that number, ranging from informal broker opinions to formal appraisals, and the right approach depends on how the value estimate will be used.
Broker opinion of value, often called a BOV, is the most common starting point for commercial owners. A commercial broker with Macomb County market knowledge reviews the property’s financials, compares to recent sales, applies current cap rates, and produces a written opinion of likely sale price. BOVs typically come at no cost from brokers hoping to list the property and run 4 to 8 pages including methodology and supporting data. BOVs are not appraisals and would not satisfy lender or court requirements, but they give owners a credible market based estimate quickly.
Formal appraisal produces a more rigorous valuation. A licensed commercial appraiser, typically MAI certified for larger or complex properties, conducts a full property inspection, analyzes income and expenses, reviews comparable sales and lease data, and produces a written report following USPAP standards. Commercial appraisals run $3,000 to $8,000 for typical Macomb County properties and 4 to 6 weeks to deliver. Appraisals are required for lender financing, sometimes required for partnership buyouts, estate planning, or divorce, and useful when an objective third party value is needed.
Self analysis using the income approach works for owners who have a clear picture of their property’s financials. Calculate actual trailing 12 month NOI by taking gross income minus actual operating expenses. Apply a market cap rate for the property type and submarket. The result is an estimated value. A Macomb County office building with $130,000 of NOI at a 7.5 percent market cap rate is worth roughly $1.73 million. Owners should sanity check this against recent sales of similar properties to verify the cap rate assumption is current.
Where to find market cap rates for self analysis. Brokers who list and sell similar properties publish or share market data. Industry research from firms like CoStar, REIS, and Real Capital Analytics tracks transaction data by property type and submarket. Local commercial brokerages publish market reports covering industrial, office, retail, and multifamily. Owners can ask their broker for current submarket cap rate ranges as part of evaluating their property.
Adjustments to make for accuracy. Use post sale property tax estimates because Michigan uncaps taxable value at sale. The buyer of the property will pay higher taxes than the current owner, sometimes significantly higher on long held properties, and that flows through NOI calculations. Apply realistic vacancy assumptions even if the property is currently 100 percent occupied. Include capital reserves of $0.25 to $1 per square foot annually. Include property management at 3 to 5 percent of gross even if the owner self manages, because a buyer would build that cost into their underwriting.
Common owner mistakes in self valuation. Using stale cap rates that do not reflect current market conditions. Skipping operating expense items that a buyer would add. Using pro forma income rather than verified actual. Failing to discount for short lease terms or weak tenants. Overestimating capital improvements as value add. Each mistake biases the owner’s estimate upward, sometimes by 20 percent or more.
When to refresh the value estimate. After significant lease changes including new tenants, rent increases, or lease extensions. After capital improvements that affect NOI or marketability. When market cap rates shift meaningfully, which they have done across the region since 2022. Annually for owners with refinance or sale possibilities in view. Estate planning often benefits from updated values every 2 to 3 years.
Multiple methods together produce stronger conclusions. An owner who runs self analysis, requests a BOV, and gets the results to triangulate against each other has a much stronger value picture than an owner relying on any single source. The three numbers usually fall within 10 percent of each other when methodology is sound. Significant divergence is a signal to investigate further.
TDG Commercial, recognized as top commercial realtors in Macomb County, provides BOVs for owners across the region and refers to qualified appraisers when formal valuations are needed.
