GIVE US A CALL 206.840.8356
Financial Security in Your Own Backyard
Build an ADU and create steady income for years to come
Free Consultation
Call us
From idea to completion — our team takes care of everything.
Schedule Free Consultation
Great Reasons to Build an ADU in Your Backyard
RENTAL INCOME FROM ADU
Steady income for many years.
HOME OFFICE
Work from home in a separate space.
AGING PARENTS
An ADU allows proximity and privacy.
GUEST HOUSE
Guests are welcome and comfortable.
WHY HOMEOWNERS TRUST MODERN BUILDINGS
15+ Years of Local Building Expertise
Hundreds of successful projects in Seattle area.
Proven Quality
We’ve successfully built and renovated 350+ homes across greater Seattle 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 different financing options.
HOW WE BUILD YOUR ADU
Our 4-Step Process to Build Your
Backyard ADU
From Concept to Keys in Just a Few Months.


Step 4: Construction
  • Foundation, framing, roofing
  • Electrical, plumbing, HVAC
  • Interior finishes
✔️ We build it and pass all city inspections.
Step 1: Feasibility Study
  • Property walk-through
  • Zoning & setback check
  • Utilities availability
✔️ Feasibility study is included when you build with us.
Step 2: Design and Permits
Step 3: Construction Financing
  • Architectural drawings & engineer stamps
  • Full permitting process
  • Direct contact with city departments
✔️ You stay stress-free — we handle it all.

  • Flexible, construction payments options available
✔️ Start your ADU with a plan —
we’ll guide the way.
Step 5: Your Dream Backyard
ADU Is Ready
  • Final walkthrough and quality check
  • Cleaning
✔️ Enjoy your new space — ready
to live, rent, or work.
Start Your ADU Today
OUR PORTFOLIO
Completed Projects Across
Seattle, Bellevue and
The Puget Sound Area
HENDERSON DADU
Custom whole house renovation project.
One story 590 sq. ft. DADU floorplan with 1 bedroom, 1 bathroom and a loft.
ROSE DADU
Construction of two DADU units featuring our Rose DADU floor plan. Each DADU unit features 840 sq. ft. with 2 bedrooms and 2 bathrooms.
PIPER DADU
Construction of a three story DADU with a garage at the basement level. This backyard cottage features our Piper DADU floor planwhich is 1,140 sq. ft. with 2 bedrooms and 2 bathrooms.
Get a Free Assessment of Your Property for an ADU potential.
Fill out a few quick details — we’ll assess your lot and reach out with options
By submitting this form, you agree to our Privacy Policy