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Accessory Dwelling Units

  • Home
  • Accessory Dwelling Units
Increase your property value, generate rental income, and create flexible living space — all right in your backyard.

Build a Backyard Home (ADU) in Wenatchee & East Wenatchee

At Cascade Master Builders, we specialize in helping homeowners design and build Accessory Dwelling Units (ADUs) — also called backyard cottages, in-law suites, or guest houses. Whether you’re looking to house family, earn passive income, or make the most of your property, an ADU is one of the smartest ways to build long-term value.

 

What Is an ADU?

 

An Accessory Dwelling Unit (ADU) is a small, self-contained home built on the same property as your main residence. It includes its own kitchen, bathroom, and living space — everything needed for independent living.

 

ADUs can be:

  • Detached – a small home in your backyard
  • Attached – an addition to your existing house
  • Over-garage or basement units

 

Homeowners across Wenatchee and East Wenatchee are adding ADUs to:

  • Create rental income that offsets their mortgage
  • Provide private housing for family members
  • Boost property value and resale potential
  • Contribute to our region’s growing housing needs
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Pre-Approved ADU Plans
Faster, Simpler, and City-Ready

Both Wenatchee and East Wenatchee have introduced pre-approved ADU plans to make it easier for homeowners to build.

That means less red tape, lower design costs, and quicker permit approvals.

We’ve partnered with these city programs to make your project seamless.

East Wenatchee: 

Pre-Approved ADU Plans | East Wenatchee, WA

Wenatchee:

Permit-Ready Dwelling Unit Plans | Wenatchee, WA

Sample Pre-Approved ADU Plans
Wenatchee & East Wenatchee

You can select a pre-approved design or let us create a fully custom ADU tailored to your property and needs.

Many More Pre-Approved Plans Available

Customize Your Own ADU!

Financing Made Simple
Use Your Home Equity

Don’t let cost hold you back.

Many of our clients build their ADU using a Home Equity Line of Credit (HELOC) or home-equity loan — a smart, low-interest way to fund construction.

Here’s how it works:

  • Tap your home equity to fund the project
  • Build the ADU to increase your property value
  • Rent it out to cover your loan payment — often making you cash-positive each month

We’ll guide you through the process and connect you with trusted local lenders who understand ADU financing.

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Our ADU-Building Process

Free Consultation & Site Review

We evaluate your property and zoning to confirm what’s possible.

Select a Plan

Choose a pre-approved city plan or design a custom layout.

Permitting & Approvals

We handle the paperwork and coordinate directly with the city.

Construction

Our team builds your ADU to exacting standards, on time and on budget.

Final Walkthrough & Move-In

You’re ready to rent it out, move in family, or enjoy extra living space.

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Why Homeowners Choose Cascade Master Builders

Based in Wenatchee, we know the zoning rules, city staff, and building process inside out.

With experience as licensed real-estate professionals, we help you navigate the numbers and get funding.

From foundation to finish, we build every ADU like a custom home — not a prefab shed.

We manage everything from plan selection to final inspection.

Our team has years of experience building in the Wenatchee Valley and surrouding areas.

  • Local Expertise
  • Financing Knowledge
  • Quality Craftsmanship
  • Complete Service
  • Trusted Roots
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Reach Out Today

Start Your ADU Project Today

We offer free consultations and can show you:

  • Which pre-approved plans fit your lot
  • What financing options work best for your situation
  • How much rental income your ADU could generate

Serving Wenatchee, East Wenatchee, and surrounding areas in North Central Washington.

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(509) 906-3438

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