Description: The Seneca Ave Assemblage consists of a total of 17 individual parcels totaling 3.73 acres ofR-1 zoned land in McLean, Virginia. The Fairfax County Comprehensive Plan supports a density ofup to 12 townhomes per acre, or up to 30 multi-family units per acre at this site. Based on the information that is currently available, Walter L. Phillips, Inc. has provided several conceptual plans and yield studies showing how the site could accommodate 37 rear-loaded, 20’x40′ four-level townhome units and 3 single family detached lots .