We have the parts you need

Plumbing

Plumbing

Pipes, Fittings, Valves, Pumps, and More.

Shop Now

HVAC

Heating & Cooling

Find the HVAC Products, Parts, and Supplies Perfect For the Job.

Shop Now

Kitchen supply

Kitchen

Cabinets, Countertops, fixtures and more.

Shop Now

bathroom supply

Bathrooms

Toilets, Showers, Sinks, Faucets and More.

Shop Now

Experience the capitol advantage

Capitol District Supply is one of the largest supply and equipment distributors in the Capitol District with 3 convenient locations. We carry thousands of items in our warehouse from top manufacturers. If you are in need of plumbing, heating/cooling, kitchen or bath fixtures, look no further. Capitol District Supply also features a state-of-the-art showroom to display hundreds of trending kitchen and bath products. Please give us a call today to see how we can help you!

Contractor Training Class
TracpipE  Flexible Gas Piping

TracPipe Contractor Certification Class

TRACPIPE TRAINING CLASS OVERVIEW

Learn how to properly size and install TracPipe flexible gas piping and fittings.

Space is limited, RSVP if interested to reserve your spot.

November 10TH & 11TH

residential zoning

FEATURED PRODUCTS

Arzel Zoning has been manufacturing an industry-leading zoning system for nearly 40 years. Designed to solve comfort issues people face in their home or business every day, their products offer superior quality, reliability, ease of installation, and the industries ONLY lifetime warranty.

IN STOCK NOW

AQUATIC

Aquatic bathroom collection of showers goes beyond everyday utility, creating an endless stream of possibilities. With options ranging from angled to corner designs, we offer an attractive and durable AcrylX™ applied acrylic or premium cast acrylic shower for nearly every wall enclosure. Models are available in your choice of smooth or tile finish, many with additional features like soap shelves and built-in seats.

AQUATIC
October Sales Flyer

October sales flyer

Download or view the September sales flyers full of savings.

Pay your bill online

Make a payment for Capitol District Supply or Capitol Kitchens & Baths orders and accounts.

Get the APP

SAVE TIME. SAVE MONEY.

DOWNLOAD NOW AND RECEIVE 2% OFF ALL ORDERS FOR THE FIRST TWO MONTHS.  PLACE $2,000 IN ORDERS ON THE APP AND KEEP THE 2% FOR THE YEAR!
Line Card

Capitol Line Card

Download or view Capitol’s Line Card

kitchen and Bath Planning Guide

Kitchen and Bath Planning guides

We’ll help you get the kitchen or bath you’ve always wanted at a price you can afford. These planning guides are filled with our advice and tips, to remodeling smarter and getting the best kitchen or bath—for less.