ADU in Washington

Add Legal, Livable Space to Your Washington Property - Without the Headaches of Traditional Construction

Build an Accessory Dwelling Unit That Meets Washington State Code - Delivered and Installed by the Experts

Thinking about adding an ADU to your Washington property?
Whether you want to house family, generate rental income, or simply increase your property’s value – an ADU is a smart move.

But between zoning laws, permits, contractors, and construction delays… most people don’t know where to start.
That’s where Wolf Industries comes in.

We build code-compliant Accessory Dwelling Units (ADUs) in a factory and deliver them across Washington – fully permitted, expertly installed, and move-in ready.

Why Homeowners Across Washington Are Choosing Wolf ADUs

Our ADUs are ideal for:

  • Families adding space for aging parents or adult children

  • Homeowners creating passive income with long-term or short-term rentals

  • Buyers building in cities like Seattle, Vancouver, Olympia, Spokane, and beyond

  • Anyone looking to maximize their lot without full-scale construction

Built to Washington residential code, our units meet the state’s evolving zoning standards – and our team handles the complexity from start to finish.

What You Get With Wolf Industries:

  • Multiple ADU models pre-approved for Washington regulations
  • One-story, efficient layouts with kitchens, bathrooms, and private entrances
  • Factory-built quality for faster delivery and lower cost
  • Complete service: permits, delivery, utility hookups, and inspections
  • A transparent, stress-free 5-step process from start to setup

Not Sure If You Can Build an ADU on Your Property in Washington?

You don’t have to guess. We’ll do the homework for you.

We’ll find out — for free.

Our Free Property Evaluation includes:

  • Local zoning and land-use review (specific to your city or county)

  • Access, placement, and feasibility assessment

  • Step-by-step clarity on what’s allowed and how to move forward

A Proven Washington ADU Builder – With Results You Can Trust

With hundreds of completed ADUs across the state, Wolf Industries is Washington’s trusted partner in legal, fast, and affordable backyard builds.

Click below to get your Free Property Evaluation
No pressure. No guesswork. Just answers.

It all starts with a free evaluation – no pressure, no commitments.