Cost of Exterior Door Installation in District of Columbia$577.92 per door (includes mid-grade steel entry door) (Range: $490.35 - $665.48) Free Estimates from Local ProsCost of Interior Door Installation in District of Columbia$265.49 per door (replace a mid-grade door, no framing required) (Range: $224.16 - $306.82) Free Estimates from Local ProsCost of Sliding Door Installation in District of Columbia$1,074.57 fixed fee to replace exterior sliding glass door (Range: $991.91 - $1,157.23) Free Estimates from Local ProsCost of Garage Door Installation in District of Columbia$1,110.30 metal garage door (single 8' x 7') with opener (Range: $994.71 - $1,225.88) Free Estimates from Local ProsCost of Glass Shower Door Installation in District of Columbia$450.42 fixed fee for standard pivot door (Range: $410.49 - $490.35) Free Estimates from Local ProsCost of Garage Door Repair in District of Columbia$308.92 fixed fee for spring replacement (including materials) (Range: $292.81 - $325.02) Free Estimates from Local ProsCost of Garage Door Opener Installation in District of Columbia$414.00 per unit installed (mid-grade) (Range: $348.85 - $479.14) Free Estimates from Local ProsCost of Pet Door Installation in District of Columbia$197.34 fixed fee (through door; install only) (Range: $186.61 - $208.06) Free Estimates from Local Pros |