Trends · data through September 2026

Warehouse Clubs in San Francisco-Oakland-Fremont, CA

Iceflower tracks 31 stores from 12 warehouse club chains in San Francisco-Oakland-Fremont, CA.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
12
Tracked stores
31
Consumer panel
130M+

Growth ranking

Fastest-growing tracked warehouse club chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below.

# Chain YoY growth
RankChainRank movementYoY growth
1 C Costco logo Costco - +0.5%
  • Costco
  • Sam's Club
  • Moore Newton Quality Hardwoods
  • Mayesh San Francisco
  • Pan Ocean Aquarium USA
  • Barebottle Brew Co
  • The Apparel Source
  • Other tracked chains

Store footprint

Store map

31 tracked store locations in San Francisco-Oakland-Fremont, CA. The 7 largest tracked chains are highlighted.

  • Costco (20)
  • Sam's Club (1)
  • Moore Newton Quality Hardwoods (1)
  • Mayesh San Francisco (1)
  • Pan Ocean Aquarium USA (1)
  • Barebottle Brew Co (1)
  • The Apparel Source (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 C Costco logo Costco 20
  • 2 S Sam's Club logo Sam's Club 1
  • 3 M Moore Newton Quality Hardwoods 1
  • 4 M Mayesh San Francisco 1
  • 5 P Pan Ocean Aquarium USA 1
  • 6 B Barebottle Brew Co 1
  • 7 T The Apparel Source 1
  • 8 C Cash Out 1
  • 9 M MerryMakers 1
  • 10 L Lightens Gifts 1
  • 11 O Omnivore logo Omnivore 1
  • 12 B bargain line usa 1

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