Maghanap ng isang napakaraming seleksyon ng Halloween costume, accessory, dekorasyon at mga supply ng party sa mga retail outlet na ito sa lugar ng Washington, DC:
Sa Washington DC
- Costume Studio - 35 8th St NE Washington, DC (202) 544-5843.
- Espiritu Halloween Store - Friendship Center, 5333 Wisconsin Ave NW Washington DC (202) 966-4139.
Sa Maryland at Northern Virginia
- Kabuuang Fright - Ballston Common Mall, 4238 Wilson Blvd. Arlington, VA (202) 333-5950 o (703) 996-4121.
- Party America - 18036 Mateny Road. Germantown, Maryland (301) 515-8980.
- Gene's Costumes - 10636 Connecticut Ave Kensington, Maryland (301) 949-4111.
- Ang American Backstage Company - 5380 Eisenhower Avenue Alexandria, Virginia (703) 212-8982.
- Halloween Adventure - Halloween superstore na may mga lokasyon sa Annapolis, Bethesda, Rockville, Silver Spring, Fairfax, Manassas, at Dulles.
- Party City - Tindahan ng Party na may 3 mga lokasyon: 295 Kentlands Blvd., Gaithersburg, Maryland (301) 926-8227. 6000 Greenbelt Rd., Greenbelt, Maryland (301) 441-2220. 3311-3319 Corridor Marketplace, Laurel, Maryland (301) 490-1192.
- Party Depot - Ilang mga lokasyon, kabilang ang 6700-9 Richmond Highway, Beacon Center Alexandria, Virginia (703) 768-9030; 3513 South Jefferson Street, Bailey's Crossroads, Virginia (703) 894-4200; 21800 Town Center Plaza Sterling, Virginia (703) 430-6902.
- Mga Kagamitan at Mga Gamit-Pampaganda sa Kabuhayan ng Partido - Tindahan ng Party na may malawak na seleksyon ng mga costume na Halloween. Buksan ang buong taon. 1049 West Broad St. Falls Church, VA (703) 237-2789
- Marilyn Johnson Pananahi Disenyo Studio, LLC - 154 Lafayette Ave Unit K Laurel, MD. (301) 604-4139.
- Pinakamahusay na Costume at Party - 525-C East Market Street Leesburg, Virginia (703) 777-9309.