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From idea to construction — our team takes care of everything
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Who are you?
What best describes your interest in building a DADU?
Where is your property located?
Do you have a buildable space?
What matters most in your DADU project?
What’s most important to you in this project?
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Step: 
Smart Reasons to Build a DADU in Your Backyard
INDEPENDENT LIVING
Close to Family. Space Preserved

DADU Living, Perfectly Balanced


2 bath | 1 bed | 300sqft
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HOME OFFICE
Working from Home — Without the Chaos

Why More Homeowners Are Building Office DADUs

1 bath | 2 bed | 250sqft
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RENTAL INCOME FROM DADU
Rental Income from an DADU

How Your Backyard Can Generate Steady Monthly Income

2 bath | 2 bed | 350sqft
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GUEST HOUSE
Guests = Stress?

DADU is Perfect Solution You’ve Been Looking For

2 bath | 2 bed | 300sqft
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Configue
HOW WE BUILD YOUR DADU
Our 4-Step Process to Build Your Backyard DADU
From Concept to Keys in Just 3–4 Months


Step 3: Fast & Guaranteed
Construction
  • Foundation, framing, roofing
  • Electrical, plumbing, HVAC
  • Interior finishes & final inspection
✔️ Keys in hand — ready to rent or host
Step 1: Feasibility Study
  • Property walk-through
  • Zoning & setback check
  • Utility connections & city restrictions
✔️ Feasibility study is on us — if you build with us
Step 2: Permits & Plans -
We Do It For You
  • Architectural drawings & engineer stamps
  • Full permitting process (30-60 days)
  • Direct contact with city departments
✔️ You stay stress-free — we handle it all
Step 4: Your Dream Backyard
Home Is Ready
  • Final walkthrough and quality check
  • Cleaning and staging (optional)
  • Move-in instructions and welcome kit
✔️ Enjoy your new space — ready to live,
rent, or work
Start Your DADU Today
WHY HOMEOWNERS TRUST MODERN BUILDINGS
10+ Years of Local Building Expertise
Hundreds of successful projects — rooted in Seattle, built to last.
Proven Quality
We’ve successfully built and renovated 350+ homes across the Puget Sound area — and we treat every house like it’s our own.
Expert Guidance
You’ll work with a dedicated team — from design to final inspection. We offer free consultations to help you get started with confidence.
Flexible Financing
Build now, pay later. Get your project started with financing plans from $2,950/month — no hidden fees, full transparency.
Get a DADU Feasibility Check
For Your Backyard
Fill out a few quick details — we’ll assess your lot and reach out with options