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Custom built-in walnut floating shelf with reclaimed wood accent wall by Coastal Custom Woodworks

Custom Built-Ins & Shelving

Transform unused walls and awkward spaces into beautiful, functional storage. We design and build custom built-in bookshelves, entertainment centers, home office systems, and storage solutions from premium hardwoods.

Built to Fit Your Space Perfectly

Off-the-shelf bookcases and storage units are designed for average rooms, but no room is truly average. They leave awkward gaps against walls, waste vertical space above and below, and never quite match the trim and cabinetry already in your home. Custom built-ins solve every one of those problems. They are designed around your exact dimensions, your ceiling height, your architectural details, and the way you actually use the space.

At Coastal Custom Woodworks, we build every unit from scratch in our Long Island shop. That means we can match your existing crown molding, base trim, and cabinet finishes so the built-in looks like it was part of the original construction. Whether you need floor-to-ceiling bookshelves flanking a fireplace, a full media wall with hidden cable management, or a mudroom storage system that keeps your family organized, we handle the design, fabrication, and installation from start to finish.

Custom built-ins also add real value to your home. Appraisers and buyers recognize quality millwork, and well-designed built-in storage consistently ranks among the top home improvements for return on investment. You get something that looks incredible, works harder than any piece of flat-pack furniture, and pays you back when it is time to sell.

What We Build

Built-In Bookshelves

Floor-to-ceiling library walls, fireplace surrounds, and alcove shelving. Adjustable or fixed shelves in any wood species and finish.

Entertainment Centers

Custom media walls and TV surrounds with integrated cable management, component storage, and display shelving built to fit your screen and equipment.

Home Office Built-Ins

Integrated desks, bookshelves, file storage, and printer stations designed to turn any room into a productive, organized workspace.

Window Seats & Reading Nooks

Cozy window seats with hidden storage underneath, flanked by bookshelves or cabinetry. Perfect for bay windows and dormers.

Mudroom & Entryway Storage

Custom cubbies, benches with shoe storage, coat hooks, and overhead shelving to keep your entryway organized and clutter-free.

Pantry & Kitchen Built-Ins

Custom pantry shelving, pull-out spice racks, wine storage, and specialized kitchen organization systems sized to your space.

For Interior Designers

We work closely with interior designers on custom built-in specifications, wood selection, finish matching, and site measurements. Learn about our trade program for preferred pricing and priority scheduling.

Serving All of Long Island

We design, build, and install custom built-ins and shelving throughout Long Island, including Babylon, Lindenhurst, Amityville, West Islip, Bay Shore, Deer Park, Islip, Massapequa, and the greater Nassau and Suffolk County areas. Every project includes professional on-site measurement and installation.

Custom Built-In FAQs

Custom built-in pricing depends on size, design complexity, wood species, and finish. Most projects fall in the $2,000-$8,000+ range. A simple built-in bookshelf starts around $2,000, while a full-wall entertainment center or library with detailed millwork can run $6,000-$8,000 or more. We provide detailed quotes after discussing your specific project.

Ready to Transform Your Space?

Tell us about the room, the vision, and how you want to use it. We will design custom built-ins that fit your home and your life perfectly.