A lemon orchard sale closed at 11,200 per acre when the comparable blocks were moving at 8,500, and the difference was entirely in the water.

The assumption doing the most work in your read is that the adjudication order holds its practical meaning across the holding period. In basins that have been in overdraft for six consecutive years, watermaster enforcement capacity and political pressure to reopen extraction limits are live variables. The adjudication order is the strongest position available, but confirmed entitlement and deliverable entitlement are different things, and the buyer's due diligence process you described gets you to the first, not the second.

The risk you did not mention is pumping depth creep. A senior adjudicated right does not insulate you from a falling static water level in an overdrafted basin. If the well was documented through three dry years, the question is whether the pump was resets during that period and at what depth the yield numbers were captured. A 22-year-old planting with a high pumping lift cost that drifts another 40 feet over a decade starts compressing net return even before you touch allocation math. That risk belongs in the valuation model next to the adjudication premium, not assumed away by it.

The district-water buyer at $9,100 per acre may have priced that deal correctly if their model explicitly stresses the Class B allocation and they are buying the land basis, not the water position. The danger is buying it because it looked like a discount without running that stress.

Your documentation package point is well taken. In a transaction where the water is the asset, the watermaster confirmation before contingency removal is not optional procedural tidiness. It is the deal.

What was the documented static water level trend across those three dry years, and did the pumping cost per acre-foot figure in the package reflect current lift depth or a historical average?

The 9,100 buyer is who I keep thinking about. That spread between adjudicated and Class B district water is not going to close, it's going to widen, because the overdraft years compound and the curtailment orders get more aggressive, not less. I ran something similar on a 60-acre navel block in Tulare County last year and the modeled cost difference between a senior private well and district allocation in year four of a drought scenario was almost 800 dollars per acre-foot when you factored in the surcharges the district was already floating in their budget documents. That number changed the acquisition math entirely and I almost missed it because the seller's broker kept steering every conversation back to pack-out records. What I'd want to know about your Ventura situation is whether the extraction limit on that adjudicated well covers full production in a dry year or whether the senior right is senior but still curtailed at some percentage during overdraft conditions, because those are two very different assets dressed up in similar language.