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 Lake Oswego

Tiny homes aren’t the only residences on the rise in Lake Oswego. Accessory Dwelling Units (ADUs) are quite popular and just about everyone can get behind, particularly as our culture shifts from single-generational homes back to multigenerational houses. You might recognize 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 permits for building a Lake Oswego ADU unit.

If you do not currently know, Stanlees Home Improvements is a high quality, full service, earth friendly ADU builder in Lake Oswego, OR while also specializing in energy efficient new home and Lake Oswego ADU remodel building. We are a family owned & ran local organization with impeccable references, and a triple A credit ranking. We are members of the Better Business Bureau with high rankings, and are a Qualified Lead Safe business. We always use complimentary estimates and on-time, on-budget.

Lake Oswego 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 Lake Oswego, Oregon

Why Build An ADU?

As the many names indicate, ADU Lake Oswego areas are personal and different from the main section of the house. They’re likewise not restricted to family members. Besides being a guesthouse or living area for household or a baby-sitter, you can utilize it as a personal space if required. For instance, as a as a personal artist or composing studio, a film or home entertainment area for hosting football watching celebrations, or an office.

Depending upon the kind of ADU, they can have little noticeable influence on the exterior of the existing principal house, and little to no impact on structure footprint. However, there are many obstacles connected with the style of such units, such as including a different entrance, creating egress in a basement or top floor, handicap available restroom, and meeting appropriate square video and overlay zoning requirements. Aside from physical changes, ADUs may raise density and change the social character of the area.

Remember the majority of towns do not enable residents to rent ADUs. Laws change each year, so you should consult your city initially. A “backyard home” sounds so non-threatening, who could possible oppose it?

ADU Contractor

Lake Oswego ADU Contractors

Guidelines For Adding a Lake Oswego ADU or Guesthouse:

You can have your guesthouse attached or removed to the primary house depending upon the size of your home or business lot. Lake Oswego may need guesthouses to be of the same architectural style and structure products of the main dwelling. You and your next-door neighbors do not want to see a clashing style on a daily basis.

If you live in a community with a property owners association, consult them too. Your HOA might not permit a ADU or guesthouse.

ADU Contractors Lake Oswego Oregon

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Lake Oswego ADU Builder

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

  • Avalibility

    Only one guest house per lot.

  • Parking

    You need to provide one parking space for the ADU without taking away from parking for the main dwelling. You can not have two spaces for the ADU.

  • Deminsion Guidelines

    The guesthouse can be 900 square feet at max and can not surpass 50 percent of the gross flooring location of the main home.

  • The Garage

    A garage connected to the guest house is counted toward the the permitted square footage of the guesthouse. Follow the above link for extra guidelines if you have a very large home and lot to begin with.

  • ADU Height

    The height of the guesthouse can not surpass the height of the primary residence.

  • Address Guidelines

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

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ADU Lake Oswego Contractors

Hire A ADU Lake Oswego Contractor?

Every contractor has their specialty, so make sure to discover one with experience in home additions and remodels. Stanlees Home Improvements has built many ADU homes. We have favorable local contractor reviews on Google, Yelp, Angie’s List, and or Facebook. Never ever sign an agreement without very first evaluating an itemized bid for the job, which ought to break out costs into labor and materials. We always include a start and end date and fair market price quote. Our Lake Oswego general contractors will constantly communicate with you and let you know how many individuals will be dealing with the home job and will be on your property, consisting of if any of the work will be subcontracted.

Residential ADU Lake Oswego Contractor

Attached or detached? Conversion or new structure?

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


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

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ADU Builder Lake Oswego

Building Expenses

Building and construction costs vary a fair bit depending on the specifics of a task. We’re typically asked, “What does an ADU expense to build per square foot?” However when developing a Lake Oswego tiny house, we are essentially squeezing all of the aspects of a bigger home onto a smaller sized footprint, so per square foot expense falls short as a beneficial procedure. Rather, overall cost is more practical. Usually speaking, the ADUs we build (particularly the stand-alone variety) start at at sixty thousand dollars in building cost, with that cost increasing depending on style choices about surfaces, fixtures, and building elements.

ADU Lake Oswego remodels can be expensive. Contact us initially to see if now is the correct time to refinance your home mortgage and if a remodel or if an ADU is the very best option. Doing so might provide you with additional money for house projects.

If you are looking for to purchase a new home with Lake Oswego guesthouse, we can pair you with one of our vetted Lake Oswego general contractors. Our local Lake Oswego general contractor will assist you decide if and ADU is the best alternative for you. We are here to help!

Lake Oswego ADU Contractors Service Areas

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Additional Information For Lake Oswego, OR

Lake Oswego /ɒsˈwiːɡoʊ/ is a city in the State of Oregon, primarily in Clackamas County with small portions extending into neighboring Multnomah and Washington counties.[4] Located south of Portland surrounding the 405-acre (1.64 km2) Oswego Lake, the town was founded in 1847 and incorporated as Oswego in 1910. The city was the hub of Oregon’s brief iron industry in the late 19th century and is today an affluent suburb of Portland. As of the 2010 census, the city had a total population of 36,619,[5] a 3.8% increase over the 2000 population of 35,278.

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