
Set 31139
Worth $50 today, but without a retail price there's nothing to judge that against.
LEGO 31139 Cozy House is worth about $50.28 sealed right now, based on 7 recent sealed sales. That's 16% below its $59.99 retail price. It came out in 2023 with 809 pieces and 3 minifigures. It was retired in Jun 2025. Over the last 82 days its typical asking price has fallen 6%, from $58.44 to $54.88. We last checked it 8 days ago.
Retired, but it never really took off. Some sets just don’t.
If you bought it to resell
For a 30% return at your costs. Change them and every figure on the site follows.
What it actually sold for
Sellers are asking 9% more than buyers actually paid. The $55 figure above is a ceiling; this is the floor to negotiate toward.
Completed BrickLink transactions over the last six months. Real sales, not asking prices.
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How to read this. The value is the median of live sealed listings, after removing instructions, empty boxes, used sets, multi-set lots and implausible outliers. Real sale prices usually land below asking, so the buy-below figure is deliberately the conservative end of the range.
▲ 26% vs retailRetired31138 · 2023Beach Camper VanCreator · 556 pcs$6317 listings · retail $50Holding value
▼ 21% vs retailRetired31141 · 2023Main StreetCreator · 1,460 pcs$11049 listings · retail $140Below retail
▼ 17% vs retailRetired31137 · 2023Adorable DogsCreator · 475 pcs$2535 listings · retail $30No retail price on file
▲ 36% vs retailRetired31142 · 2023Space Roller CoasterCreator · 874 pcs$15029 listings · retail $110No retail price on file