How Build Mat Mart Works
Buy and Sell Surplus Building Materials
Build Mat Mart connects builders, contractors, and suppliers who have surplus building materials with buyers looking for quality materials at better prices.
Whether you’re clearing leftover stock from a job or searching for materials for your next project, Build Mat Mart makes it easy.
For Buyers: Find Quality Materials at Discounted Prices
Browse thousands of listings for surplus, new, and reclaimed materials across Sydney
Start Shopping For Deals1. Browse & Search
Filter by category, location, condition, and price to find exactly what you need
2. Contact Seller
Message sellers through our secure platform to ask questions, arrange inspections, negotiate and make offers.
3. Secure Payment
Pay through our platform, using one of our payment options for buyer protection and transaction records.
4. Receive & Review
Pick up or arrange delivery and leave the seller a review.
For Sellers: Turn Surplus Materials into Cash
Stop paying waste disposal fees. List your excess materials and earn money instead.
List Your First Item1. Take Photos & List
Snap photos of your materials and create your listing in under 5 minutes
2. Get Enquiries
Buyers contact you through our messaging system - no personal details shared. If selected negotiate and receive offers.
3. Accept Payment
Receive secure payment and transaction records through BuildMatMart
4. Build Reputation
Earn reviews to boost future sales
Payment Options:
🔒 Secure Payment
funds are held until in escrow for up to 72 hours to protect both buyers and sellers for safer transactions.
- Pay securely — funds are held to provide a 3 day period to inspect and arrange delivery or collection.
- Use a unique code to confirm delivery or collection.
- Funds automatically released to seller after 72 hours.
- 7.5% buyer transaction fee applies.
- Digital record of transactions
⚡ Direct Payment
Designed for fast payments upon collection or delivery of materials.
- Pay the seller directly — fast and flexible
- No platform holding period — payment goes straight to the seller
- No fees to the buyer
- No payment protection included
- Digital record of transactions
Off Platform Payment
To keep our community safe, we recommend completing all transactions through Build Mat Mart. We are not liable 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.
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Save on surplus, reclaimed, and new materials
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Build sustainably and reduce waste
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Connect directly with sellers for great deals
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Easy pickup or delivery options
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A wide range of materials for every project
For Sellers
Easily list your surplus or reclaimed materials for sale to a wide network of builders, DIYers and suppliers.
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Turn surplus or reclaimed materials into cash
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Reach buyers looking for discounted building materials
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Sell directly with no middlemen
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Flexible pickup or delivery arrangements
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Contribute to sustainable building practices