Tree House #21318 — LEGO Ideas Set Value
LEGO IdeasWhat the Tree House #21318 LEGO set is worth — loose, complete, and sealed.
Tree House #21318 value — Loose $96 · Complete (CIB) $148 · Sealed (new) $203. Prices updated August 2026.
Monthly CIB value, based on sold comps.
See the actual sold listings on eBay ↗Live on eBay right now
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Price data verified against · 1
Item details
- UPC / EAN
- 5702016554205
- Brand
- LEGO
- Theme
- LEGO Ideas
- Set number
- #21318
- Release date
- January 1, 2019
Tree House #21318 (LEGO Ideas) resale value
A loose Tree House #21318 set runs around $96, a complete copy (all pieces + box + instructions) about $148, and a factory-sealed box commands $203.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $96 | eBay sold comps |
| Complete (CIB) | $148 | eBay sold comps |
| Sealed (new) | $203 | eBay sold comps |
| Live asking — low / typical / high | $90 / $218 / $275 | 20 live eBay listings ↗ |
Market check: As of July 19, 2026, 20 live eBay listings ask $90.00–$275.00 (median $218.00).
Frequently asked questions
- What is the best deal for buying Tree House #21318?
- If you need it immediately, the Loose version is available for $100. For the best condition, the Complete (CIB) set is priced at $163.
- How much is a brand new, sealed copy of this set?
- A brand new, sealed copy of Tree House #21318 is listed for $200.
- Is the loose version still worth buying?
- Yes, the loose version is available for $100, offering a budget-friendly option for collectors.