Carriers assess the surroundings, not just the lot
An underwriter looking at a residential rental considers what adjoins it. Fuel storage, heavy industry or a yard with significant combustible load next door are part of the fire exposure of your building whether or not anything on your lot has changed. It is a rating factor owners never think to mention.
Heavy traffic is a liability and a wear factor
Freight on local streets means more vehicle contact with fences, walls and parked cars, and more people on foot near moving trucks. Both show up over time, and the liability limit set for a quiet residential street is not obviously the right one.
Tenant mix follows the employment
A rental market built around shift work and warehouse employment has its own patterns: more turnover, more vehicles per household, more irregular hours. None of that is a problem and all of it is worth describing accurately, because a policy rated on an assumption is rated on the wrong thing.