Seller accepted $312k. The parcel behind the building would have supported a two-lot split that changed the whole number.
This is a case worth studying because the mistake happened before the listing agreement, not during it. A corner lot in a mid-sized market, zoned R-2 with a minimum lot size of 7,500 square feet, total parcel at 18,200 square feet. The listing agent ran comps on the structure, priced the improved property, and the seller closed at $312k inside thirty days. Six weeks later the buyer filed a preliminary plat application. The split was approved in four months. Each lot is now worth roughly $195k in that market, so the buyer is sitting on $390k in land value before any construction cost, against a $312k all-in purchase price.
The listing agent was not incompetent. She knew the structure and the neighborhood. What she did not do was pull the parcel dimensions against the zoning text before she set a price. That one step, twenty minutes in the county GIS and the municipal code, would have changed the conversation entirely. The seller would have had three real options: list at a price that reflects both lots, pre-split and sell two parcels separately, or at minimum disclose the development potential and let buyers compete on it.
The number doing the most work in a case like this is not the sale price. It is the minimum lot size in the applicable zoning district, because that figure either opens or closes the split before anyone runs a pro forma. Listing agents who work improved residential tend to price against the house. The land beneath it carries its own arithmetic, and when the parcel is oversized relative to the zoning minimums, that arithmetic often runs higher.
What was the lot size of the last property you listed or sold, and did anyone check it against the subdivision minimums before pricing?