As Property Values Plunge, Tax Bills Might Not Follow By Ashley Halsey III Washington Post Staff Writer Friday, December 26, 2008; B01 Homeowners whose property values have plummeted as much as 40 percent are unlikely to see a corresponding drop in their real estate taxes next year, and some might face a tax increase as the counties surrounding the District struggle with huge budget shortfalls. Nearly every county in the region is deep in red ink, with some of the most populous jurisdictions looking at overwhelming budget gaps: Fairfax County faces a $650 million shortfall; Montgomery County, $450 million; and...