Costco Overstock Furniture in Diamond Bar, CA
Save 39% on brand-name Costco sectionals, Costco patio sets, Costco gazebos from Costco, Amazon & more. Prices starting from $16.99.
Stop overpaying at SGV retail stores. Diamond Bar is just 18 miles from our liquidation warehouse, where every piece of costco deals is 40-80% off. Serving Diamond Bar's 56,000+ residents with liquidation-priced products. We stock Costco patio sets, Costco gazebos, Costco beds, and Costco appliances — brand-name pieces at warehouse prices. Just minutes from Diamond Bar Golf Course, our warehouse is an easy trip from Diamond Bar. Whether you're in Diamond Bar, Pomona, Walnut, or Chino Hills, we deliver to your door.
Today's Costco Deals Deals for Diamond Bar Shoppers
Sunjoy Ashland Hexagonal Gazebo, 18 ft. x 18 ft.
Sunjoy
Mellina King Bedroom Collection in Brown, 5 Piece Set
WW Furniture
Sunjoy 30 x 12 ft Rectangle White Party Canopy
Sunjoy
Torsten King Bedroom Collection in Brown, 6 Piece Set
WW Furniture
Agio McKinnon 7-Piece High Dining Set with Fire Table
Agio
Brady Leather Chair — Ivory
Abbyson
Sunjoy 10x12 Cedar Frame Hard Top Gazebo, Matte Black
Sunjoy
Branson Storage Bed, Cal King
Universal Broadmoore
Foremost Home Millbrook Dresser
Foremost Home
Harvey Leather Power Reclining Sofa with Power Headrests
Gilman Creek Furniture
Rockford 6-Drawer Dresser
API Furniture
Seasons Sentry 10' Square 2-Tier Solar LED Aluminum Cantilever Umbrella With Base
Atleisure
See How Much You Save
Real products, real savings. Compare retail prices vs. our warehouse prices.
Portofino Repose 19 Piece Sunbrella Outdoor Estate Collection - Laguna Blue
SunVilla Milton 10' x 12' Outdoor Suite
Anoka Bedroom Collection, 6 Piece Set
Why Buy Liquidation Costco Deals?
Same Brands You Know
We source from Costco, Amazon, Wayfair, and other major retailers. These are the exact same products you'd find in stores — just sold through the liquidation channel at a fraction of the price.
Inspected & Graded
Every item is inspected and assigned a condition grade so you know exactly what you're getting. From brand new in sealed packaging to open-box like-new, we're transparent about every piece.
40-80% Off Retail
When retailers clear overstock and excess inventory, we buy by the truckload at deep wholesale prices. That means you save 40-80% compared to what you'd pay at a traditional store — with no hidden fees.
We buy directly from Costco's liquidation channels — the same sectionals, patio sets, gazebos, and appliances you see at your local Costco warehouse, but at 40-80% off Costco's already-competitive prices. When Costco over-orders, discontinues a SKU, or receives customer returns, those products flow through liquidation. A Costco sectional that sells for $2,500 in-store might be $800 here. A Costco gazebo for $3,000? Try $1,100. Same Kirkland and brand-name products, same quality — warehouse liquidation prices.
How It Works
Browse
Shop online or visit our 10,000 sq ft warehouse in Santa Fe Springs. New truckloads arrive weekly from Costco, Amazon, and more.
Choose Fulfillment
Free warehouse pickup, local delivery to Diamond Bar ($75+), delivery with professional installation, or nationwide shipping.
Save Big
Same brands, 39% less than retail. Pay with card, cash, or finance with Afterpay, Klarna, or Affirm.
Getting Your Costco Deals to Diamond Bar
Diamond Bar is just a 34-minute drive from our warehouse in Santa Fe Springs. We offer multiple fulfillment options: come pick it up for free, schedule a local delivery, or add installation service. For lighter items, we also offer ground shipping nationwide.
Free Warehouse Pickup
Visit our Santa Fe Springs warehouse. No appointment needed. Mon-Fri 9-5, Sat 10-4.
FREELocal Delivery
2-man crew delivers to your Diamond Bar address. Just 18 miles from our warehouse.
From $75Delivery + Installation
Professional assembly at your location. We handle delivery, setup, and cleanup.
QuotedNationwide Shipping
UPS/FedEx ground to any US address. Freight available for large and heavy items.
CalculatedFrequently Asked Questions
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Visit Our Warehouse
13544 Imperial Highway, Ste B, Santa Fe Springs, CA 90670
Mon–Fri9 AM – 5 PM
Saturday10 AM – 4 PM
SundayClosed
Ready to Save?
Whether you visit our warehouse or shop online, you're getting brand-name costco deals at prices you won't find anywhere else.
Helpful Guides
Learn more about buying costco deals at liquidation prices.
Where Does Costco Overstock Furniture Go?
The inside story on what happens to Costco products that don't sell on the warehouse floor.
Read guideWhat Is Liquidation Furniture?
How Costco and other retailers move excess inventory through the liquidation channel.
Read guideOpen Box vs New vs Refurbished
What to expect from different conditions when shopping Costco overstock products.
Read guide