How many pieces are in the United States Capitol Building?

United States Capitol Building contains 1,032 pieces.

What age is the United States Capitol Building recommended for?

This set is recommended for ages 12+.

When was the United States Capitol Building released?

United States Capitol Building was released in 2016.

LEGO United States Capitol Building set 21030

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🏛 Architecture

Set #21030

United States Capitol Building

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

Before you buy

Who it's for: Ages 12+ · Intermediate build Perfect for teens and adults interested in architecture and iconic landmarks
Build: 1,032 pieces · about 4.5 hours Build time is an estimate.
Price: $99.99 list price · 9.7¢ per piece
Availability: Retired at LEGO

★★★★☆ 4.2 community rating

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.

$99.99

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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

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.

✨ New

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🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

1,032

Pieces

⏱

4.5h

Estimated 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

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

→ Price stable

Investment Grade

⏳ Retired

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.

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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.

📦 Parts Inventory

Official piece count: 1,032
Parts cataloged in this inventory: 69 unique parts, 1,032 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Plate 3 x 3

Part #: 11212 2× Dark Bluish Gray

Plate Round 6 x 6...

Part #: 11213 1× White

Plate Round 6 x 6...

Part #: 11213 1× Light Bluish Gray

Brick 1 x 1 x 3

Part #: 14716 2× White

Tile 2 x 2 Corner

Part #: 14719 2× White

Brick Curved 2 x ...

Part #: 15068 8× White

Fence Spindled 1 ...

Part #: 15332 15× White

Plate Special 1 x...

Part #: 15573 4× Tan

Plate Special 1 x...

Part #: 15573 18× White

Plate Special Rou...

Part #: 18674 1× White

Fence Spindled 4 ...

Part #: 21229 8× White

Brick 2 x 2 Corner

Part #: 2357 4× White

Plate 2 x 2 Corner

Part #: 2420 10× Light Bluish Gray

Wedge Plate 3 x 3...

Part #: 2450 8× White

Brick 2 x 6

Part #: 2456 3× White

Brick 1 x 2

Part #: 3004 4× Sand Green

Brick 1 x 8

Part #: 3008 10× White

Brick 1 x 6

Part #: 3009 3× White

Brick 1 x 4

Part #: 3010 3× White

Plate 2 x 4

Part #: 3020 3× Black

Plate 2 x 4

Part #: 3020 5× White

Plate 2 x 4

Part #: 3020 8× Light Bluish Gray

Plate 2 x 3

Part #: 3021 2× Light Bluish Gray

Plate 2 x 3

Part #: 3021 4× Dark Bluish Gray

Plate 2 x 2

Part #: 3022 4× Yellow

Plate 2 x 2

Part #: 3022 2× Dark Bluish Gray

Plate 1 x 2

Part #: 3023 8× Sand Green

Plate 1 x 2

Part #: 3023 17× Light Bluish Gray

Plate 1 x 2

Part #: 3023 22× White

Plate 1 x 1

Part #: 3024 26× White

Plate 1 x 1

Part #: 3024 2× Dark Tan

Plate 1 x 1

Part #: 3024 2× Tan

Plate 2 x 8

Part #: 3034 22× Black

Plate Round Corne...

Part #: 30357 8× White

Plate 6 x 8

Part #: 3036 6× Dark Bluish Gray

Plate 6 x 8

Part #: 3036 1× White

Plate Round Corne...

Part #: 30565 4× White

Brick Round 1 x 1...

Part #: 3062b 12× White

Tile 1 x 2 with G...

Part #: 3069b 18× White

Tile 1 x 2 with G...

Part #: 3069b 10× Dark Bluish Gray

Tile 1 x 2 with G...

Part #: 3069b 14× Light Bluish Gray

Tile 1 x 2 with G...

Part #: 3069b 28× Sand Green

Tile 1 x 1 with G...

Part #: 3070b 12× Dark Tan

Tile 1 x 1 with G...

Part #: 3070b 46× Dark Bluish Gray

Tile 1 x 1 with G...

Part #: 3070b 19× White

Tile 1 x 1 with G...

Part #: 3070b 12× Tan

Tile 1 x 1 with G...

Part #: 3070b 12× Light Bluish Gray

Technic Brick 1 x...

Part #: 32000 18× White

Plate 1 x 8

Part #: 3460 15× Light Bluish Gray

Brick 1 x 3

Part #: 3622 14× White

Plate 1 x 3

Part #: 3623 8× White

Plate 1 x 3

Part #: 3623 8× Light Bluish Gray

Plate 1 x 6

Part #: 3666 10× Light Bluish Gray

Brick Sloped 33° ...

Part #: 3675 4× Sand Green

Plate 1 x 4

Part #: 3710 4× Dark Bluish Gray

Plate 1 x 4

Part #: 3710 4× Light Bluish Gray

Plate 2 x 6

Part #: 3795 4× Light Bluish Gray

Plate 2 x 10

Part #: 3832 4× Light Bluish Gray

Plate Round 2 x 2...

Part #: 4032a 7× White

Brick Special 1 x...

Part #: 4070 178× White

Plate 8 x 8

Part #: 41539 2× Dark Bluish Gray

Tile 1 x 8 with G...

Part #: 4162 4× White

Tile 1 x 8 with G...

Part #: 4162 5× Light Bluish Gray

Tile 1 x 8 with G...

Part #: 4162 17× Black

Tile 1 x 8 with '...

Part #: 4162pr0047 1× Black

Brick Sloped 33° ...

Part #: 4286 36× Sand Green

Dish 6 x 6 Invert...

Part #: 44375b 2× Sand Green

Plate 1 x 10

Part #: 4477 3× Light Bluish Gray

Brick Arch 1 x 3

Part #: 4490 3× White

Plate Special 1 x...

Part #: 4510 2× Light Bluish Gray

Brick Special 1 x...

Part #: 4733 4× Black

Brick Round Corne...

Part #: 48092 4× White

Brick Sloped 30° ...

Part #: 54200 10× White

Brick Sloped 30° ...

Part #: 54200 32× Sand Green

Cone 1 x 1 [Top G...

Part #: 59900 1× Dark Bluish Gray

Plate Round 4 x 4...

Part #: 60474 1× White

Plate Round 1 x 1...

Part #: 6141 18× White

Panel 1 x 1 x 1 C...

Part #: 6231 8× Light Bluish Gray

Tile 1 x 3

Part #: 63864 6× White

Tile 1 x 3

Part #: 63864 8× Olive Green

Equipment Telesco...

Part #: 64644 12× White

Technic Brick 1 x...

Part #: 6541 28× White

Tile 1 x 6 with G...

Part #: 6636 7× Light Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 4× Olive Green

Tile 1 x 6 with G...

Part #: 6636 4× Dark Bluish Gray

Tile 1 x 6 with G...

Part #: 6636 4× White

Brick Sloped 30° ...

Part #: 85984 28× White

Tile 2 x 4 with G...

Part #: 87079 10× Sand Green

Tile 2 x 4 with G...

Part #: 87079 8× Dark Bluish Gray

Brick Round 4 x 4...

Part #: 87081 1× White

Brick Special 1 x...

Part #: 87087 2× White

Brick Round Corne...

Part #: 88293 4× White

Minifig Trophy St...

Part #: 90398 4× White

Minifig Trophy St...

Part #: 90398 5× Dark Bluish Gray

Plate 8 x 16

Part #: 92438 6× Dark Bluish Gray

Brick Round 2 x 2...

Part #: 92947 1× White

Brick and Axle Se...

Part #: 96874 1× Orange

Tile Round 1 x 1

Part #: 98138 18× Olive Green

Tile Round 1 x 1

Part #: 98138 4× 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.