DC Property Management Frequencies

Here are several downtown property management frequencies I've found recently:

451.3000 [ d263] 555 12th St. NW - Engineering (R)

495.5625 [ d114] Columbia Square (R)
463.7000 [ d223] International Square (R)
463.7000 [ d432] International Square (R)
464.6500 [ d132] International Square (R)
464.5750 [ 82.5] Lincoln Square - Security (S) (555 11th St. NW)
461.5125 [136.5] National Place - Engineering (R)
463.6875 [136.5] National Place

461.3875 [ d073] The Westory (R)