On average, building a custom or built-in closet costs around $2,100. However, the total price can range from as little as $500 for a simple DIY project to $6,000 or more for a large, high-end custom closet. Most projects typically fall between $1,500 and $5,000.

The final cost depends on several factors, including the closet's size, type, materials, and features. Here is a general cost breakdown by closet type:

• Reach-in closet: $500 to $1,500

• Walk-in closet: $750 to $5,000

• Wardrobe: $2,000 to $6,000 or more

Choosing a prefabricated closet system is generally less expensive than a fully custom build. The scope of design and construction services will also significantly impact the price.

Common materials include wood, laminate, and wire. Choose based on durability, style, and budget.

There are a few reasons custom closets are expensive: materials used, the luxury factor, and time to build. The people who can afford custom closets are those who can afford increased rates, and construction workers and contractors know this and charge accordingly. The time to build custom closets is substantial, especially if expensive material is being used or intricate details (like carved wood) are added to the project. 

A "reach-in pantry" is a smaller, cabinet-style pantry that allows you to grab items by simply reaching inside. On the other hand, a "walk-in pantry" is like a closet or small room that offers a larger space that you can physically enter to get your food. Walk-in pantries allow for more customizable shelving. A reach-in pantry is usually around 5 feet wide by 2 feet deep, while a walk-in pantry is closer to 5 feet by 5 feet or larger.