A Monumental Build!
Recreate the U.S. Capitol Building

Capture the architectural details of this iconic landmark with 1032 pieces. A rewarding experience for architecture enthusiasts and LEGO collectors alike.

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🏛 Architecture
Set #21030

United States Capitol Building

The United States Capitol Building is a stunning architectural LEGO set.

🏆 Best For: Perfect for teens and adults interested in architecture and iconic landmarks ⏱ 4.5 hr build 🧩 1,032 pcs 🎂 Ages 12+
★★★★☆ 4.2 from 3 reviews

Fans praise the set's accurate representation and elegant design, making it a great display piece. Some find the build repetitive, particularly when constructing the dome, and feel the price point is slightly high for the complexity involved.

📝 Our Take

The United States Capitol Building is a stunning architectural LEGO set. This model beautifully captures the neoclassical style of the iconic building, complete with its detailed facade, steps, and lawns. The ability to remove the dome and reveal the National Statuary Hall inside adds an extra layer of intrigue and makes it a fantastic display piece.

This set is perfect for architecture enthusiasts and LEGO collectors. The building experience is both interesting and rewarding, providing a satisfying challenge without being overly complex. Its display appeal makes it an excellent addition to any collection, especially for those interested in landmarks and historical buildings.

Skip this if you prefer sets with high playability or are looking for minifigure-centric experiences. This set is primarily a display model, so if you prefer interactive sets, consider LEGO City sets or other Architecture sets with more diverse building techniques.

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How does this set compare to other LEGO Architecture landmarks? What are some interesting building techniques used in the dome construction? Is this set a good value for the piece count and display potential? How can I incorporate this set into a larger LEGO city display?

🧱 Building Experience

🧩
1,032
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
📏
16cm × 44cm × 14cm
Dimensions
Build Highlights:
  • Detailed recreation of the Capitol Building's facade
  • Interesting techniques for creating the dome and rotunda
  • Access to the rotunda interior with columns and statues
  • Decorative 'U.S. Capitol' nameplate for display

📈 Investment Analysis

→ Price stable
B
Investment Grade
⏳ Active
The United States Capitol Building set (21030) presents a moderate investment opportunity. As a retired Architecture series set, it benefits from the theme's consistent popularity and appeal to adult collectors. The set's stable price trend suggests a steady demand. While not as iconic as some licensed themes, its historical significance and attractive display model contribute to its potential for appreciation. However, the relatively high piece count for the price might limit significant gains.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Discover the architectural secrets of the iconic United States Capitol Building with this amazing LEGO® Architecture interpretation that focuses on the structure's neoclassical style facade, steps and lawns, finished with a decorative “U.S. Capitol” nameplate. Remove the dome to access the rotunda interior depicting the National Statuary Hall, with columns, 8 statues and tiled floor. This model has been designed to deliver an interesting and rewarding building experience and is suitable for display in the home and office. It has been developed for all with an interest in travel, architectural culture, history and design. The scale of this model matches the LEGO Architecture 21022 Lincoln Memorial.

  • LEGO® Architecture interpretation of the real-world architectural landmark, the United States Capitol Building.
  • Features the Capitol's neoclassical façade, dome, colonnades, north and south wings, steps and lawns.
  • Remove the dome to access the rotunda, featuring columns, 8 statue elements and a tiled floor.
  • The included booklet contains information about the design, architecture and history of the building (English language only. Other languages available for download at LEGO.com/architecture).
  • Collect the entire LEGO® Architecture series.
  • LEGO® Architecture celebrates the world of architecture through the medium of the LEGO brick, and is developed for all with an interest in travel, design, history and architecture.
  • This set includes over 1,000 LEGO® pieces.
  • The scale of this model matches the LEGO® Architecture 21022 Lincoln Memorial.
  • This set offers an age-appropriate building experience for ages 12+.
  • Measures over 6” (16cm) high, 17” (44cm) wide and 5”(14cm) deep.

Compare Similar Sets

Compared to other Architecture sets like the Statue of Liberty (21042) or the Empire State Building (21046), the U.S. Capitol Building offers a different architectural style and historical significance. It may appeal more to those interested in American landmarks and government buildings. While sets like the Buckingham Palace (21029) offer similar architectural detail, the U.S. Capitol provides a unique building experience and display aesthetic.

📦 Full Parts Inventory - 69 unique parts • 929 total pieces

Plate 3 x 3 Plate 3 x 3
Part #: 11212 Dark Bluish Gray
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 White
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 Light Bluish Gray
Brick 1 x 1 x 3 Brick 1 x 1 x 3
Part #: 14716 White
Tile 2 x 2 Corner Tile 2 x 2 Corner
Part #: 14719 White
Slope Curved 2 x 2 x 2/3 Slope Curved 2 x ...
Part #: 15068 White
Fence Spindled 1 x 4 x 2 [4 Top Studs] Fence Spindled 1 ...
Part #: 15332 15× White
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Tan
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 18× White
Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Plate Special Rou...
Part #: 18674 White
Fence Spindled 4 x 4 x 2 Quarter Round with 3 Studs Fence Spindled 4 ...
Part #: 21229 White
Brick 2 x 2 Corner Brick 2 x 2 Corner
Part #: 2357 White
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 10× Light Bluish Gray
Wedge Plate 3 x 3 Cut Corner Wedge Plate 3 x 3...
Part #: 2450 White
Brick 2 x 6 Brick 2 x 6
Part #: 2456 White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Sand Green
Brick 1 x 8 Brick 1 x 8
Part #: 3008 10× White
Brick 1 x 6 Brick 1 x 6
Part #: 3009 White
Brick 1 x 4 Brick 1 x 4
Part #: 3010 White
Plate 2 x 4 Plate 2 x 4
Part #: 3020 White
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Light Bluish Gray
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Dark Bluish Gray
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Light Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Dark Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Yellow
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Sand Green
Plate 1 x 2 Plate 1 x 2
Part #: 3023 17× Light Bluish Gray
Plate 1 x 2 Plate 1 x 2
Part #: 3023 22× White
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Tan
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Dark Tan
Plate 1 x 1 Plate 1 x 1
Part #: 3024 26× White
Plate 2 x 8 Plate 2 x 8
Part #: 3034 22× Black
Plate Round Corner 3 x 3 Plate Round Corne...
Part #: 30357 White
Plate 6 x 8 Plate 6 x 8
Part #: 3036 White
Plate 6 x 8 Plate 6 x 8
Part #: 3036 Dark Bluish Gray
Plate Round Corner 4 x 4 Plate Round Corne...
Part #: 30565 White
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 12× White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 10× Dark Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 18× White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 14× Light Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 28× Sand Green
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 46× Dark Bluish Gray
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b Tan
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 12× Dark Tan
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b White
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b Light Bluish Gray
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 18× White
Plate 1 x 8 Plate 1 x 8
Part #: 3460 15× Light Bluish Gray
Brick 1 x 3 Brick 1 x 3
Part #: 3622 14× White
Plate 1 x 3 Plate 1 x 3
Part #: 3623 Light Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 White
Plate 1 x 6 Plate 1 x 6
Part #: 3666 10× Light Bluish Gray
Slope 33° 3 x 3 Double Convex Slope 33° 3 x 3 D...
Part #: 3675 Sand Green
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Dark Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Light Bluish Gray
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Light Bluish Gray
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Light Bluish Gray
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a White
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 178× White
Plate 8 x 8 Plate 8 x 8
Part #: 41539 Dark Bluish Gray
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 Light Bluish Gray
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 17× Black
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 White
Tile 1 x 8 with 'United States Capitol Building' Print Tile 1 x 8 with '...
Part #: 4162pr0047 Black
Slope 33° 3 x 1 Slope 33° 3 x 1
Part #: 4286 36× Sand Green
Dish 6 x 6 Inverted (Radar) with Solid Studs Dish 6 x 6 Invert...
Part #: 44375b Sand Green
Plate 1 x 10 Plate 1 x 10
Part #: 4477 Light Bluish Gray
Brick Arch 1 x 3 Brick Arch 1 x 3
Part #: 4490 White
Plate Special 1 x 8 with Door Rail Plate Special 1 x...
Part #: 4510 Light Bluish Gray
Brick Special 1 x 1 Studs on 4 Sides Brick Special 1 x...
Part #: 4733 Black
Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs Brick Round Corne...
Part #: 48092 White
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 10× White
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Sand Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Dark Bluish Gray
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 White
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 White
Panel 1 x 1 x 1 Corner Panel 1 x 1 x 1 C...
Part #: 6231 Light Bluish Gray
Tile 1 x 3 Tile 1 x 3
Part #: 63864 White
Tile 1 x 3 Tile 1 x 3
Part #: 63864 Olive Green
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Equipment Telesco...
Part #: 64644 White
Technic Brick 1 x 1 with Pin Hole Technic Brick 1 x...
Part #: 6541 28× White
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Dark Bluish Gray
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Light Bluish Gray
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 White
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Olive Green
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 28× White
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 10× Sand Green
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Dark Bluish Gray
Brick Round 4 x 4 Centre Hole Brick Round 4 x 4...
Part #: 87081 White
Brick Special 1 x 1 with Stud on 1 Side Brick Special 1 x...
Part #: 87087 White
Brick Round Corner 3 x 3 x 2 Dome Top Brick Round Corne...
Part #: 88293 White
Minifig Trophy Statuette Minifig Trophy St...
Part #: 90398 White
Minifig Trophy Statuette Minifig Trophy St...
Part #: 90398 Dark Bluish Gray
Plate 8 x 16 Plate 8 x 16
Part #: 92438 Dark Bluish Gray
Brick Round 2 x 2 [Grill] Brick Round 2 x 2...
Part #: 92947 White
Brick and Axle Separator v2.0 Brick and Axle Se...
Part #: 96874 Orange
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 18× Olive Green
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Light Bluish Gray
The set includes a generous supply of White Brick Special 1 x 1 with Headlight, making it useful for SNOT (Studs Not On Top) building techniques. The Sand Green elements are also valuable for landscape and architectural MOCs.

🛒 Where to Buy

💎 Notable Parts

White Brick Special 1 x 1 with Headlight (178x) $8.90
Sand Green Slope 33° 3 x 1 (36x) $3.60
Sand Green Tile 1 x 2 with Groove (28x) $2.80
Olive Green Tile Round 1 x 1 (18x) $5.40
Black Tile 1 x 8 with Groove (17x) $4.25
Est. BrickLink Part Value
$24.95

💡 MOC Potential

🏛 Expansion to include surrounding landscape and monuments
🏙 Integrate into a larger LEGO city layout as a government district
Use dome elements for a cathedral or basilica MOC

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📖 Building Instructions 2

United States Capitol Building Instructions
BI 3019, 152+4/65+200G, 21030 V29
Download PDF
United States Capitol Building Instructions
BI 3019, 172+4/115+350G, 21030 V39
Download PDF

Charts Inventory Statistics

69
Unique Parts
929
Total Pieces
0
Minifigures
Inventory Version: 1