Start at the intersection of Hwy 87 and Alma Ave, northeast on Alma to Senter, north on Senter to Hwy 280, northeast on Hwy 280 to Hwy 101, south on 101 to Tully Rd, northeast on Tully to Capitol Expwy, north on Capitol Expwy to Cunningham Ave, east on Cunningham to White Rd, north on White to Marten Ave, east on Marten Ave to Flint Ave, south on Flint to Kohler, east on Kohler Ave to Ruby Ave, south on Ruby Ave to Murillo Ave, southeast on Murillo to Norwood Creek Rd, south on Norwood Creek Rd to Quimby Rd, east on Quimby to census tract boundaries for 503319, 503320, 503318 and then northwest on Yerba Buena Creek to Yerba Buena Rd, west on Yerba Buena to San Felipe, south on San Felipe to census tract boundary 503320/503318, south to Metcalf Rd, west on Metcalf Rd to Hwy 101, north on Hwy 101 to Ford Rd and Monterey Hwy, north on Monterey Rd to Curtner, west on Curtner to Guadalupe River, north on river to Alma Hwy 87.