Your Trusted Light Gauge Steel Builder in California

Turnkey ADU or Backyard Office – 450 sq.ft

  • Los Angeles, CA — Serving All of California
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Turnkey ADU or Backyard Office – 450 sq.ft
Turnkey ADU or Backyard Office – 450 sq.ft - Image 2

Turnkey ADU or Backyard Office – 450 sq.ft

🔩 240 sq ft LGS Frame – Ideal for a Home Office, Gym, or Yoga Studio! 🏠 Build your own private space right in your backyard!

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Turnkey ADU or Backyard Office – 450 sq.ft | From $139,000 to $150,000

 

Looking to build a fully finished, code-compliant backyard ADU or modern home office?

We provide complete design + build services for detached 450 sq.ft units — perfect for:

 

✅ Guest House

✅ Studio Apartment

✅ Home Office

✅ Rental Unit

🛠️ What’s Included in Both Options:

  • Full architectural plans + structural engineering
  • City permitting and approval management
  • Choice of Wood Frame or LGSF (Light Gauge Steel Frame) construction
  • Concrete foundation with engineering
  • Insulated walls, ceiling, and floor
  • Exterior siding (stucco, wood, or composite)
  • Metal or shingle roofing
  • Energy-efficient windows and exterior doors
  • Interior drywall, paint, and flooring
  • Full electrical and plumbing system
  • Complete bathroom with shower
  • Kitchenette with cabinets and plumbing
  • Mini-split HVAC system
  • Built by licensed California contractors
  • Construction timeline: 2–3 months after permit approval

💵 Turnkey Pricing:

Wood Frame ADU: From $139,000

LGSF Steel Frame ADU: From $150,000

⚠️ Please note: Household appliances (fridge, stove, washer, etc.) are not included in the base price.

💬 Why Build With Us:

✅ All-inclusive: design, permits, materials, labor

✅ Transparent pricing — no hidden costs

✅ FREE 3D design included

✅ Eco-friendly, fire-resistant materials

✅ Built to California Code and Title 24

✅ One point of contact from start to finish

📍 Serving clients across California

📞 Message us to schedule a free consultation or request a detailed quote

Let’s bring your ADU vision to life — modern, strong, and stress-free.

🔗 #TurnkeyADU #BackyardOffice #CaliforniaADU #LGSF #WoodFrameADU #SkillSeeConstruction #ADUBuilder #PermitIncluded #PrefabConstruction #ModernADU

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Want to Customize Your Frame Kit?

Whether you’re building a home office, gym, or garage — we can tailor a Light Gauge Steel (LGS) frame kit to your exact needs. Not sure where to start? We’re here to help!

Yes! Just contact us with your desired dimensions and usage — we’ll prepare a personalized quote and 3D concept.

Absolutely. If you prefer a hassle-free experience, our licensed team can deliver and assemble your structure on-site.

Delivery is available across California. Shipping costs are calculated separately depending on your location.

Each kit includes galvanized LGS framing, fasteners, drawings, and  assembly instructions.

Yes. All our LGSF buildings require a solid, level foundation — typically a concrete slab. We can help design and build it upon request.

Yes. In addition to the frame, our team can handle insulation, drywall, siding, windows, doors, flooring, and more. Just ask us for a full-service quote. 

In most cases — yes. However, if your structure is under 120 sq ft and not intended for habitation (like a storage shed or small workshop), you usually do not need a permit in most California cities. For anything larger or intended for living or working, a permit is required. We can assist with the permitting process if needed.

Need help? Call us!!!