All Materials
Pre-owned, new and gently-used building materials, plus designer outlet stock.
What's in this collection?
This collection gathers 1,000 building-material listings — led by natural stone slabs and wall & floor tile, with flooring, lumber and millwork, doors and windows, and plumbing hardware rounding out the range. Most is pre-owned, new or gently-used stock from canceled projects, showroom closeouts and designer outlets. New listings are added regularly, with local pickup and delivery available in Los Angeles, CA and other major metros — Houston, TX and Vacaville, CA.
Updated July 30, 2026
How much can I save?
Conditions & Discounts
All Materials are priced by model age, condition, and brand. Not every listing includes a comparable retail price — typical savings vs. new are shown below.
| Condition | Items | Typical savings vs. new |
|---|---|---|
| Pre-owned New | 183 | 25–45% off |
| Pre-owned Open Box | 33 | 35–55% off |
| Pre-owned Excellent | 23 | 45–65% off |
| Other / Outlet / Discontinued | 761 | — |
Savings ranges are typical across Unbuilt relative to the equivalent item new at retail; individual listings vary.
Want more discounts?
- Make an offer — many listings accept offers; look for the Make an Offer button on the item.
- Trade or design pro? Tell us about your business — we're building a trade program.
Where are they from?
Sources & Authenticity
Sold by Unbuilt
Sourced from designers, builders, and authorized dealers — unused project leftovers, showroom samples, and open-box returns. Every item is verified authentic by our team and returnable within 30 days (see our returns policy).
Community Listings
Posted directly by members of the Unbuilt community. Confirm condition, authenticity, and return terms with the seller before you buy — terms vary by listing.
Buying pre-owned on Unbuilt
- Inspect the photos and condition notes on every listing.
- Message the seller with questions before you buy.
- Every item lists its condition, so you know exactly what you're getting.
Shipping & pickup
- Can all materials ship to me?
- Most are freight or channel-order items — pickup, local delivery, or arranged freight where noted, rather than standard parcel shipping.
- Is local pickup available?
- Yes, where noted on the item — Los Angeles, CA has the most inventory.
- See full shipping details.
Highlights
- Leftover goods from top designers & builders
- Showroom samples and returns
- Premium brands at resale prices
- Local and national listings
Top Categories
Stone Surface Slabs, Wall & Floor Tile, Drains & Traps, Door Hardware, Tile & Stone, Valves, Windows, Plumbing & Pipes
Top Brands
Silestone, Ann Sacks, Dekton, Scalea, Sensa, Kohler, Porcelain4Top, Concrete Collaborative
Locations
- Los Angeles, CA (100) · local pickup, shipping or freight
- Houston, TX (80) · shipping or freight
- Vacaville, CA (64) · freight
- Richmond, VA (60) · shipping or freight
Sell with us
Got Extra All Materials?
You can earn money, save waste and help your community by reselling them on Unbuilt.
Learn howBuild better
Making an Impact
Building materials consume half of all natural resources extracted globally each year. By shopping secondhand on Unbuilt, you're supporting a movement to make building more affordable and sustainable.
Learn about your impact
