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 Tualatin

Tiny homes aren’t the only homes on the rise in Tualatin. Accessory Dwelling Units (ADUs) are rather popular and almost everyone can support, especially as our culture shifts from single-generational houses back to multigenerational houses. You might 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 home. Each city has their own zoning laws and allows for building a Tualatin ADU unit.

If you do not already know, Stanlees Home Improvements is a high quality, full service, earth friendly ADU contractor in Tualatin, OR while also specializing in energy effective new house and Tualatin ADU renovate building and construction. We are a family owned & operated local business with impeccable references, and a triple A credit ranking. We are members of the Better Business Bureau with high scores, and are a Licensed Lead Safe business. We always provide complimentary price quotes and on-time, on-budget.

Tualatin 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 Tualatin, Oregon

Why Construct An ADU?

As the many names indicate, ADU Tualatin areas are private and separate from the main section of the house. They’re also not restricted to member of the family. Besides being a guesthouse or living space for household or a baby-sitter, you can use it as a personal area if needed. For instance, as a as a personal artist or composing studio, a film or entertainment area for hosting football viewing parties, or an office.

Depending on the kind of ADU, they can have little noticeable impact on the outside of the existing principal home, and little to no effect on building footprint. However, there are many obstacles associated with the design of such systems, such as including a separate entryway, producing egress in a basement or top floor, handicap accessible bathroom, and conference suitable square video footage and overlay zoning requirements. Aside from physical modifications, ADUs might raise density and alter the social character of the neighborhood.

Keep in mind the majority of towns do not permit homeowners to rent ADUs. Laws alter each year, so you ought to contact your city first. A “backyard cottage” sounds so non-threatening, who could possible oppose it?

ADU Contractor

Tualatin ADU Contractors

Guidelines For Adding a Tualatin ADU or Guesthouse:

You can have your guesthouse attached or detached to the main residence depending upon the size of your home or business lot. Tualatin may require guesthouses to be of the very same architectural style and structure materials of the primary residence. You and your neighbors don’t wish to see a clashing style every day.

If you live in a neighborhood with a property owners association, contact them too. Your HOA might not enable a ADU or guesthouse.

ADU Contractors Tualatin Oregon

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Tualatin ADU Builder

Here are some typical coding requirements for constructing an ADU in Tualatin:

  • Avalibility

    Only one guest house per lot.

  • Parking

    You should offer one parking space for the ADU without eliminating from parking for the primary residence. You can not have two spaces for the ADU.

  • Deminsion Guidelines

    The guesthouse can be 900 square feet at max and can not surpass HALF of the gross floor area of the primary home.

  • The Garage

    A garage connected 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 very large house and lot to begin with.

  • ADU Height

    The height of the guesthouse can not go beyond the height of the main dwelling.

  • Address Guidelines

    It can not have a separate address from the main residence.

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ADU Tualatin Contractors

Work with A ADU Tualatin Contractor?

Every contractor has their specialty, so make certain to find one with experience in home additions and remodels. Stanlees Home Improvements has actually constructed many ADU homes. We have favorable local contractor reviews on Google, Yelp, Angie’s List, and or Facebook. Never ever sign a contract without first examining a detailed bid for the task, which must break out expenses into labor and materials. We always include a start and end date and reasonable market price quote. Our Tualatin general contractors will constantly communicate with you and let you understand the number of individuals will be dealing with the home job and will be on your property, including if any of the work will be subcontracted.

Residential ADU Tualatin Contractor

Connected or detached? Conversion or brand-new structure?

One element that will impact price is whether it’s a connected (a basement unit or addition) or detached (” DADU”) structure. Constructing a removed ADU is a lot like constructing a brand-new home, total with foundation, four 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 style work from an architect, particularly given the style puzzles that restricted area can provide. Figure in 8-15% of building cost for your ADU design, depending on level of design services needed and your option of designer.

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ADU Builder Tualatin

Construction Expenses

Construction expenses differ quite a bit depending upon the specifics of a job. We’re often asked, “What does an ADU expense to build per square foot?” But when constructing a Tualatin tiny house, we are basically squeezing all of the elements of a larger house onto a smaller footprint, so per square foot cost falls short as a helpful procedure. Rather, overall expense is more handy. Normally speaking, the ADUs we develop (particularly the stand-alone range) start at at sixty thousand dollars in building and construction expense, with that cost increasing depending upon design options about surfaces, fixtures, and structure components.

ADU Tualatin remodels can be costly. 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 very best choice. Doing so may provide you with money for house jobs.

If you are looking for to invest in a brand-new home with Tualatin guesthouse, we can pair you with one of our vetted Tualatin general contractors. Our local Tualatin general contractor will assist you choose if and ADU is the very best alternative for you. We are here to help!

Tualatin ADU Contractors Service Areas

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Additional Information For Tualatin, OR

Tualatin /tuːˈɔːlətᵻn/ is a city located primarily in Washington County in the State of Oregon. A small portion of the city is also located in neighboring Clackamas County. It is a southwestern suburb in the Portland Metropolitan Area that is located south of Tigard. The population was 26,054 at the 2010 census.

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