How It Works

Build Mat Mart is a dedicated marketplace for buying and selling new, surplus, and used building materials. It connects builders, tradies, suppliers, demolition contractors, and homeowners in one place to make buying and selling materials faster, easier, and more convenient.

Whether you're clearing surplus materials from a job site, selling bulk materials, or looking for affordable supplies for your next project, Build Mat Mart helps you sell materials efficiently and find what you need for great prices.

For Buyers: Find Quality Materials at Discounted Prices

Browse thousands of listings for new, surplus and reclaimed materials across Sydney.

Start Shopping For Deals

1. Browse & Search

Filter by category, location, condition, and price to find exactly what you need

2. Contact Seller

Message sellers on our secure platform to ask questions, arrange inspections and make offers.

3. Secure Payment

Pay securely through Build Mat Mart using our escrow payment system, which holds funds safely until the transaction is completed.

4. Receive & Review

Arrange pickup or delivery of your materials, then complete the transaction by leaving a review for the seller to help build trust within the marketplace.

For Sellers: Turn Your Materials into Cash

Stop paying waste disposal fees. List your excess materials and earn money instead.

List Your First Item

1. Take Photos & List

Take photos of your materials and create your listing in under 5 minutes.

2. Get Enquiries

Buyers contact you through our secure messaging system — no personal details are shared. You can respond to enquiries, receive offers and make counter offers.

3. Accept Payment

Receive secure payments through the Build Mat Mart escrow system, with funds released when the transaction is successfully completed, along with a clear record of every sale.

4. Build Reputation

Build your reputation by earning reviews from completed transactions.

Build Mat Mart Secure Payments:

Build Mat Mart uses a secure escrow payment system powered by Stripe to protect both buyers and sellers throughout every transaction. When a purchase is made, funds are safely held by Stripe and are only released to the seller once the buyer confirms the materials have been received as agreed. This ensures a trusted, transparent process with reduced risk, verified payments, and clear transaction records for every deal on the platform.

1. Buy

Choose your materials and complete your purchase securely via Stripe, fully integrated within the Build Mat Mart platform.

2. Escrow

Your payment is securely held and protected until the transaction is completed.

3. Mark as Delivered/Received

Once the materials are delivered or collected, the buyer confirms everything is as agreed.

4. Funds Released

After confirmation, the payment is released to the seller.

Off Platform Payment

To help keep our community safe, we strongly recommend completing all transactions through Build Mat Mart. We do not accept liability for any issues arising from off-platform transactions.

Why Use Build Mat Mart?

Build Mat Mart connects builders, contractors and suppliers who have surplus materials with buyers looking for quality building supplies at lower prices. It’s a smarter way to reduce waste, recover value from leftover materials, and find great deals.

💰 Save Money

Find quality building materials at lower prices by purchasing surplus stock from builders and suppliers.

💵 Turn Surplus Into Cash

Sell leftover materials from construction projects instead of paying for them go to waste.

⚡ Simple and Convenient

List materials, browse listings, and message buyers or sellers easily in one place.

🌱 Reduce Construction Waste

Help keep usable building materials out of landfill by giving them a second life.

🔍 Find Hard-to-Get Materials

Discover discontinued, surplus, or over-ordered materials that may not be available in stores.

📍 Buy and Sell Materials Locally

Connect with buyers and sellers in your area and arrange convenient pickup.

What Are The Benefits Of Build Mat Mart?

For Buyers

Find high-quality building materials from trusted sources across Sydney, at an affordable price.

Save on surplus, reclaimed, and new materials
Build sustainably and reduce waste
Connect directly with sellers for great deals
Easy pickup or delivery options
A wide range of materials for every project

Browse Listings

For Sellers

Easily list your surplus or reclaimed materials for sale to a wide network of builders, DIYers and suppliers.

Turn surplus or reclaimed materials into cash
Don't pay to throw good materials away
Reach buyers looking for discounted building materials
Flexible pickup or delivery arrangements
Contribute to sustainable building practices

List Your Materials