1- 249 to 45, south of the belt the line is fairbanks to 45
2- 45 to southeast of 59
3- southeast of 2
4- south of 290 west of barker cypress, south of 529 and west of barker cypress (southwest of 5)
5- 249 to 290, south of 290 runs down barker cypress to 529
Go here for an actual map:
Harris County Sheriff's Office Bureaus
The sub beats are wrong. They are now A, B and C. C being the most inner part closest to the city and A being the area furthest out in each district.
