I spent eight months eyeing a 40-acre parcel along a tributary of the Madison drainage. The price was right, the creek was loaded with cutthroats, and I had a building site mentally picked out before I ever made an offer. What I didn't catch until a county planning call three weeks before closing was that Montana's riparian setback rules, layered with the county's own buffer ordinance, pushed my buildable zone so far back from the creek that my chosen site was completely off the table.
Here's what stings: I work in riparian restoration. I know buffer zones better than most. I still assumed a quick deed review covered it. It doesn't. County zoning overlays on top of state setback rules on top of any conservation easement language can stack in ways that gut your usable acreage significantly.
Before you fall in love with a creek-side parcel, pull the actual county zoning map and call the planning department directly. Not the realtor. Not the seller.
Has anyone else had county buffer rules contradict what state law alone would allow on the same parcel?