As noted in yesterday’s commentary, mergers and acquisitions of lenders are in the news across the nation. For curious lenders, it is good to have a general guide in how a buyer goes about valuing a lender. I happen to be in rainy Chicago now, but 1,700 miles away, there’s interesting news from the Phoenix area and the desert. How would you appraise a perfectly fine home that had no water? Rio Verde, aptly named Green River, a neighborhood outside of Scottsdale, Arizona, with some 2,000 homes, recently learned that there is not a stable water supply. The 1980s Groundwater Management Act required that in order for a development six lots or larger to proceed in Arizona, it had to secure a 100-year supply of water. The Rio Verde Foothills developers kept splitting parcels into four to five lots, putting them under the six-lot minimum that applied to the law and avoiding that requirement. About 30 percent of the residents now face a dramatic change in price as the city has cu