Pre-Owned Windows for Sale

What's in this collection?

Collection includes 23 pre-owned, open-box and unused window listings — casement, picture, sliding and fixed units in standard and hard-to-find oversized sizes, from Andersen, Marvin, Jeld-Wen, Milgard and Western Windows. Most are new or unused leftovers from canceled or over-ordered projects, with discontinued and customer-returned windows added as they arrive. Both replacement and new-construction units surface here, in aluminum and clad-wood frames with original hardware and components. Listed from cities across the US — Los Angeles, CA, Edison, NJ and Cupertino, CA — from $75 to $17,750, with local pickup or shipping.

Updated July 28, 2026

How much can I save?

Conditions & Discounts

Windows are priced by model age, condition, and brand. Not every listing includes a comparable retail price — typical savings vs. new are shown below.

Savings ranges are typical across Unbuilt relative to the equivalent item new at retail; individual listings vary.

Where are they from?

Sources & Authenticity

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 windows ship to me?

Most listings ship nationwide, with freight for oversized items where noted.

Is local pickup available?

Yes, where noted on the item — Los Angeles, CA has the most inventory.

See full shipping details.

Highlights

• Andersen, Marvin, Pella & Jeld-Wen
• Replacement & new construction
• Hardware & components
• Aluminum & clad wood