The Short Version
Buyers pay for income, location, control, and upside. In Santa Monica, rent control and current tenancy are often as important as the building's physical condition. A generic online estimate is not enough for an apartment building.
What Don Would Review
A credible valuation starts with the rent roll and expenses, then compares the building against relevant Westside sales. From there, the buyer pool matters: private local buyers, exchange buyers, and value-add operators may all underwrite the same asset differently.
When to Ask for a Valuation
Ask before you make a sale, refinance, estate, or partnership decision. You do not need to be ready to list. In many cases, the value conversation is most useful when an owner is still deciding whether selling makes sense.