In Washington, DC, wedding gown tailoring costs can vary widely depending on the complexity of alterations needed and the reputation of the tailor. On average, basic alterations such as hemming or taking in seams may start around $200 to $400. More intricate alterations, like resizing the bodice or adding embellishments, can range from $500 to $1,000 or more. Prices may also be influenced by the fabric and design of the gown. For more information, visit Elim Boutique and Rosslyn Tailoring.