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โญ 4.9 Star Rated ยท 200+ Costco Sheds Built ยท Same-Week Available

Costco Shed Assembly Service in California

Costco has the best shed pricing in California. We assemble every shed Costco stocks — LIFETIME, KETER, SUNCAST, Yardline wood sheds, and PURPLE LEAF gazebos.

Costco Shed Assembly Experts

Costco is the best shed deal in California — LIFETIME 8x10 sheds typically $100-200 cheaper than Home Depot, KETER Factor frequently on sale, plus Costco-exclusive Yardline wood sheds. We've assembled hundreds of Costco sheds across the state. We can pick up at your local warehouse or install on delivery day.

Costco Models & Pricing

ModelBest ForAssembly PriceTime
LIFETIME 8x10 (Costco best-seller)Most common$649 - $8496-8 hrs
LIFETIME 11x18 / 15x8Large Costco models$1,099 - $1,39910-14 hrs
KETER Factor 8x6 / 8x8Aesthetic pick$549 - $7495-7 hrs
SUNCAST Tremont 8x10Fast-assembly resin$549 - $7495-7 hrs
Yardline wood shed 8x10 / 8x12Premium wood option$999 - $1,49910-14 hrs
Foundation prepGravel pad or pavers$199 - $4992-4 hrs

What's Included

  • Foundation prep advice and execution (gravel pad, pavers, or concrete blocks)
  • Full assembly per manufacturer spec — no shortcuts on hardware
  • Wind-rated anchoring for California code (concrete or earth anchors)
  • Door alignment and weather-seal verification
  • Ramp installation when applicable
  • Site cleanup — we haul away packaging and pallets
  • Workmanship guarantee

Statewide California Service

Costco shed assembly across all of California — Los Angeles, San Diego, Bay Area, Sacramento, Orange County, Inland Empire, Central Valley, and every city in between. Same-week availability statewide.

Frequently Asked Questions

Yes — we have trailers for Costco pickup. Or you can have Costco deliver and we install the next day. Most Costco shed boxes are 200-400 lb.
LIFETIME 8x10 is the bestseller for a reason: heavy-duty, 10-year warranty, fits most yards. KETER Factor is the aesthetic pick. Yardline if you want wood.
LIFETIME 8x10: 6-8 hours. KETER Factor: 5-7 hours. SUNCAST: 5-7 hours. Yardline wood: 10-14 hours.
Some warehouses include in-store assembly for an extra fee, but it's typically slower and more expensive than us. Our customers regularly tell us we beat Costco's assembly partners on price and turnaround.
Yes — we build gravel pads, level pavers, or set concrete blocks. Required for any shed install in California.

Ready to Book Costco Assembly?

Licensed pros. Same-week available. Book online instantly.