How to Add a Mudroom to a House

How to Add a Mudroom to a House

A mudroom is a dedicated transition space between the outdoors and the interior of your home — a place to drop coats, shoes, bags, and gear before entering the main living areas. It keeps dirt, clutter, and chaos contained at the entry point. Adding a mudroom, whether by converting existing space or building an addition, is one of the most family-friendly home improvements you can make. Here's how.

What You'll Need

Mudroom Options

  • Convert an existing space: A large closet, a section of a hallway, or a corner of a garage can become a mudroom with built-in storage. Least expensive option.
  • Repurpose an existing room: A rarely used formal dining room or a small bedroom near the entry can be converted into a mudroom.
  • Build a bump-out addition: A small addition (6–10 feet) off the back or side door creates a dedicated mudroom space. Most expensive but most functional.

Essential Mudroom Elements

  • Bench: For sitting while putting on shoes. Height: 16–18 inches. Add a cushion using GoTo Foam covered in durable fabric.
  • Hooks: For coats, bags, and backpacks. Install at two heights — adult (60–66") and child (42–48").
  • Cubbies: Individual open compartments for each family member. Width: 15–18 inches per person.
  • Shoe storage: Below the bench or in dedicated cubbies. Allow 6–8" per pair of shoes.
  • Upper storage: Cabinets or shelves above the cubbies for seasonal items and overflow.
  • Flooring: Must be durable, waterproof, and easy to clean. Tile or LVP are ideal.

Phase 1: Planning and Permits

If converting existing space, permits may not be required. If building an addition, a permit is required. Plan the mudroom layout carefully — measure the available space and sketch the cubby arrangement before building anything.

Phase 2: Framing (For Additions)

Frame the addition walls using 2x4 studs. Use the stud finder and laser level to ensure walls are plumb and square. Frame the door opening. Install a proper header above the door opening.

Phase 3: Rough-In Electrical

Have a licensed electrician add lighting circuits and outlets. Good lighting is essential in a mudroom — you need to find things quickly. Consider adding a USB charging outlet for phones and devices.

Phase 4: Insulation and Drywall

Insulate the walls and ceiling (for additions). Install moisture-resistant drywall. Tape, mud, and sand smooth.

Phase 5: Flooring

Install tile or LVP flooring — both are waterproof and easy to clean. Tile with Red Devil tile grout for maximum durability. Caulk all edges with GE silicone caulk.

Phase 6: Build and Install the Built-In Storage

Build the bench, cubbies, and upper storage using plywood and MDF with the SKIL miter saw and brad nailer. Secure all units to the wall into studs. Add floating shelves for additional storage. Install hooks at the correct heights. Add a bench cushion using GoTo Foam covered in durable, washable fabric.

Phase 7: Trim and Paint

Install baseboard molding with the miter saw and brad nailer. Use flexible peel-and-stick molding trim for a quick option. Fill nail holes with BONCART wood filler. Caulk all gaps. Paint with semi-gloss paint — it's more durable and easier to wipe clean than flat paint.

Pro Tips

  • Label each cubby with a family member's name for an organized, functional system.
  • Use semi-gloss paint throughout — mudrooms take a beating and need a washable surface.
  • Install a mirror on one wall — it's practical for a last-minute check and makes the space feel larger.
  • Add a charging station inside one of the upper cabinets for phones and devices.
  • A well-designed mudroom is one of the most appreciated features by families with children — it pays dividends every single day.

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