Import Modular & Container Houses from China

Complete sourcing guide for USA builders and developers

Factory audit | Shipping solutions | HUD compliance

Modular House vs Container House: What's the Difference?

Before sourcing, understand which product fits your US project:

🏠 Modular House

Structure: Steel frame + sandwich panels (EPS/Rockwool)
Size: 20ft-40ft standard modules, stackable
Use: Permanent residence, ADU, granny flats
MOQ: 1 unit (sample), 6+ units (container load)
Price FOB: $8,000-25,000/unit depending on finish

📦 Container House

Structure: Modified shipping container (20GP/40HQ)
Size: Fixed to container dimensions
Use: Temporary office, site accommodation, pop-up retail
MOQ: 1 unit possible, but 4 units optimize shipping
Price FOB: $3,500-12,000/unit

⚠️ USA Import Alert: HUD Compliance
For permanent residential use in USA, modular homes must comply with HUD Code (24 CFR 3280) or local state modular building codes. Container homes often face stricter zoning restrictions. Verify local permits before shipping.

Factory Audit Checklist

Before placing deposit for modular/container houses:

Essential Verification Points

ISO 9001 certification (quality management)

Welding certification for steel frames (AWS D1.1 standard preferred)

Electrical components: UL listed or ETL certified for USA

Insulation fire rating: ASTM E84 Class A (for USA insurance)

Previous USA export references (ask for B/L copies)

Third-party inspection report (SGS/BV/V-Trust) for structural integrity

💡 Pro Tip: Request a video factory tour focusing on welding stations and insulation installation. Most "cheap" suppliers cut corners on steel thickness (should be 2.5mm+ for structural) and insulation density.

Shipping Methods for Modular/Container Houses

Standard FCL won't work for assembled units. Here are your options:

Option A: Flat Rack (OOG - Out of Gauge)

Best for: Pre-assembled modular units that exceed container dimensions

Capacity: 1-2 modules per 40' Flat Rack
Cost: 2-3x standard FCL rate
Destination handling: Requires special lifting equipment at port

Option B: CKD/SKD (Knocked Down) - RECOMMENDED

Best for: Cost savings and easier USA customs clearance

Ship as "building materials" rather than "prefab house" (lower duty classification)
4-6 units fit in one 40HQ container (flat-packed panels)
Assembly in USA: 2-3 days with local contractor
HS Code: 9406.10 (Prefabricated buildings) vs 7308.90 (Steel structures) - verify with customs broker

Current Rates Reference (March 2026):
Shenzhen/LA Standard 40HQ: $1,595
Flat Rack OOG Surcharge: +$800-1,200 per unit
View detailed China-USA port rates →

Major Production Hubs in China

Guangdong (Foshan/Shenzhen)

Specialty: High-end modular homes, luxury container conversions
Advantage: Close to Shenzhen port, fastest shipping to USA
MOQ: 1-2 units for samples

Zhejiang (Ningbo/Hangzhou)

Specialty: Cost-effective container houses, mass production
Advantage: Lower labor costs, strong steel supply chain
MOQ: 4+ units preferred

Shandong (Qingdao)

Specialty: Heavy-duty modular structures, site offices
Advantage: Proximity to Korean steel mills, competitive pricing
MOQ: 6+ units

Source + Ship Modular Houses

We audit factories, arrange CKD packing, and handle USA customs clearance.

💬 Get Factory List 📧 Send Specifications

Typical project: 6-unit modular home, Shenzhen to LA, delivered in 45 days