LEGO Mountain View Observatory (910027) Value
What does the LEGO Mountain View Observatory (set 910027) actually sell for? Below are real eBay completed-sale medians, split by condition, with the most recent sold listings.
LEGO 910027 Mountain View Observatory — what it sells for
⤢ enlargeSealed
$460
range $426–$480
You’d net $400 after eBay fees
9 sold
New, factory-sealed (MISB).
Used — complete
$437
range $437–$437
You’d net $380 after eBay fees
1 sold (thin)
Opened/built, all pieces.
Recent real sold listings
Recent sold listings
| Listing | Condition | Sold | Price |
|---|---|---|---|
| LEGO Bricklink: Mountain View Observatory (910027) - New Sealed! | Sealed | 2026-06-04 | $480 |
| LEGO Bricklink: Mountain View Observatory (910027) | Sealed | 2026-05-28 | $418 |
| LEGO Bricklink: Mountain View Observatory (910027) - Brand New Sealed | Sealed | 2026-05-27 | $485 |
| LEGO Bricklink: Mountain View Observatory (910027) - NISB | Sealed | 2026-05-26 | $484 |
| LEGO Bricklink: Mountain View Observatory (910027) New In Sealed Box | Sealed | 2026-05-26 | $475 |
| LEGO Bricklink Designer Program Mountain View Observatory 910027 | Sealed | 2026-05-24 | $426 |
| LEGO 910027 Bricklink Mountain View Observatory New Sealed | Sealed | 2026-05-22 | $418 |
| LEGO Bricklink: Mountain View Observatory (910027) | Used — complete | 2026-05-21 | $437 |
| LEGO Mountain View Observatory (910027) BrickLink Designer Program New + Sealed | Sealed | 2026-05-12 | $460 |
| LEGO Bricklink: Mountain View Observatory (910027) NISB | Sealed | 2026-05-12 | $441 |
How to read these numbers
Each figure above is the median of real eBay completed sales for the Mountain View Observatory (set 910027) in that condition, including shipping. “Net” subtracts eBay’s ~13% fee — what you’d actually keep as the seller. Notice the spread between conditions: sealed around $460, used — complete around $437.
Prices move, so check the recent listings and run a fresh lookup before you buy or sell. For context, see the most valuable sets and other retired sets.
Frequently asked questions
How much is LEGO 910027 worth?
Based on recent eBay sold listings, the Mountain View Observatory sells for a median of about $460 sealed, less in lower conditions. See the full condition breakdown above.
Are these asking prices or actual sales?
Actual completed (sold) eBay sales — not asking prices. The recent-listings table shows the individual sales behind the medians.
Is the Mountain View Observatory retired?
No — set 910027 is still generally available at retail, so secondary prices stay close to (or below) RRP.