We have the experience, personnel, and resources to make your ADU project run smooth. We can ensure your job is done right and on time.

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ADU Wilsonville

Tiny homes aren’t the only houses on the rise in Wilsonville. Accessory Dwelling Units (ADUs) are rather popular and just about everyone can support, particularly as our culture shifts from single-generational houses back to multigenerational homes. You may acknowledge ADUs by their more basic names, like mother-in-law houses, prefab guest house with bathroom, backyard studios, granny-flats, ADU houses, studio apartments or guesthouse, or tiny house. Each city has their own zoning laws and allows for building a Wilsonville ADU unit.

If you do not currently understand, Stanlees Home Improvements is a high quality, full service, earth friendly ADU home builder in Wilsonville, OR while also concentrating on energy efficient brand-new home and Wilsonville ADU remodel construction. We are a household owned & operated local organization with impressive referrals, and a triple A credit rating. We are members of the Better Business Bureau with high scores, and are a Licensed Lead Safe company. We constantly provide complimentary estimates and on-time, on-budget.

Wilsonville ADU Contractor Services

ADU Pre Construction

We Are A Full Service ADU Contractor. Determine whats needed before you start your ADU project.

ADU Construction Management

As a full service ADU Builder, it's important to understand the construction activities when building an ADU unit.

After Construction

Find out what to expect with all post construction activities for building an ADU home

The People

Highly Trained Staff To Install Your ADU Unit Right The First Time. You can trust us and our long list of satisfied customers to handle your next project professionally

We Provide

We maintain a long list of satisfied customers who took the time to review our past performance. Be sure to check our testimonials and see what others are saying.

Our Experience

With a complete line of residential ADU Building or ADU Remodel options, Stanlees Home Improvements has the experience and know-how to fix nearly any roofing issue you may have.

Economical and Trustworthy ADU Contractors in Wilsonville, Oregon

Why Construct An ADU?

As the many names indicate, ADU Wilsonville areas are private and different from the main section of the home. They’re likewise not restricted to member of the family. Besides being a guesthouse or living space for family or a nanny, you can utilize it as an individual area if required. For instance, as a as a personal artist or writing studio, a motion picture or home entertainment space for hosting football viewing celebrations, or an office.

Depending upon the type of ADU, they can have little noticeable impact on the outside of the existing principal house, and little to no effect on structure footprint. However, there are numerous obstacles associated with the style of such units, such as including a different entryway, producing egress in a basement or top floor, handicap accessible bathroom, and meeting proper square video and overlay zoning requirements. Aside from physical changes, ADUs might raise density and change the social character of the area.

Keep in mind most of towns do not permit locals to rent out ADUs. Laws change each year, so you need to check with your city initially. A “backyard home” sounds so non-threatening, who could possible oppose it?

ADU Contractor

Wilsonville ADU Contractors

Guidelines For Adding a Wilsonville ADU or Guesthouse:

You can have your guesthouse attached or separated to the primary house depending upon the size of your home lot. Wilsonville may require guesthouses to be of the same architectural style and building products of the primary home. You and your next-door neighbors don’t wish to see a clashing design daily.

If you reside in a neighborhood with a property owners association, contact them too. Your HOA may not allow a ADU or guesthouse.

ADU Contractors Wilsonville Oregon

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Wilsonville ADU Builder

Here are some common coding requirements for constructing an ADU in Wilsonville:

  • Avalibility

    Only one guest house per lot.

  • Parking

    You should supply one parking space for the ADU without eliminating from parking for the main residence. You can not have 2 spaces for the ADU.

  • Deminsion Guidelines

    The guesthouse can be 900 square feet at max and can not go beyond HALF of the gross floor area of the main house.

  • The Garage

    A garage attached to the guest house is counted toward the the allowed square footage of the guesthouse. Follow the above link for additional guidelines if you have a large house and lot to begin with.

  • ADU Height

    The height of the guesthouse can not exceed the height of the main home.

  • Address Guidelines

    It can not have a different address from the primary home.

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ADU Wilsonville Contractors

Work with A ADU Wilsonville Contractor?

Every contractor has their specialty, so be sure to find one with experience in home additions and remodels. Stanlees Home Improvements has actually built many ADU homes. We have positive local contractor reviews on Google, Yelp, Angie’s List, and or Facebook. Never sign a contract without first reviewing an itemized bid for the project, which should break out expenses into labor and products. We constantly consist of a start and end date and fair market estimate. Our Wilsonville general contractors will always interact with you and let you know how many people will be dealing with the home project and will be on your house, including if any of the work will be subcontracted.

Residential ADU Wilsonville Contractor

Attached or detached? Conversion or new structure?

One factor that will impact price is whether it’s a connected (a basement unit or addition) or separated (” DADU”) structure. Constructing a separated ADU is a lot like building a brand-new house, complete with foundation, 4 outside walls, and roof, so they can be more pricey than constructing an attached ADU.


Don’t let their small size fool you; even little structures need design work from a designer, especially given the design puzzles that limited area can present. Figure in 8-15% of building expense for your ADU design, depending upon level of style services required and your option of designer.

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ADU Builder Wilsonville

Building and construction Expenses

Building and construction costs differ a fair bit depending upon the specifics of a task. We’re typically asked, “Exactly what does an ADU expense to construct per square foot?” But when building a Wilsonville tiny house, we are essentially squeezing all of the aspects of a bigger house onto a smaller sized footprint, so per square foot expense fails as an useful procedure. Rather, overall expense is more helpful. Typically speaking, the ADUs we construct (especially the stand-alone range) start at at sixty thousand dollars in building and construction cost, with that cost increasing depending upon style choices about surfaces, components, and building components.

ADU Wilsonville remodels can be expensive. Contact us initially to see if now is the correct time to re-finance your home mortgage and if a remodel or if an ADU is the best option. Doing so may provide you with additional money for home projects.

If you are seeking to buy a new house with Wilsonville guesthouse, we can combine you with among our vetted Wilsonville general contractors. Our local Wilsonville general contractor will assist you choose if and ADU is the best choice for you. We are here to assist!

Wilsonville ADU Contractors Service Areas

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Additional Information For Wilsonville, OR

Wilsonville is a city primarily in Clackamas County, Oregon, United States. A portion of the northern section of the city is in Washington County. It was founded as Boones Landing because of the Boones Ferry which crossed the Willamette River at the location, the community became Wilsonville in 1880. The city was incorporated in 1969 with a population of approximately 1,000. The population was 13,991 at the 2000 census, and grew to 19,509 as of 2010.[6] Slightly more than 90% of residents at the 2000 census were white, with Hispanics comprising the largest minority group.

Located within the Portland metropolitan area, the city also includes the planned community of Charbonneau on the south side of the river. The city is bisected by Interstate 5 and includes I-5’s Boone Bridge over the Willamette. Public transportation is provided by the city’s South Metro Area Regional Transit, which includes Wilsonville Station on the Westside Express Service operated by TriMet. Students in public schools attend schools in the West Linn-Wilsonville and Canby school districts, including the only traditional high school, Wilsonville High School. Clackamas Community College and Pioneer Pacific College both have campuses in the city.

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