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.

[contact-form-7 id=”234″ title=”Landing Page Form”]

FAST And Reliable Estimate In A Manner That Is Expedient And Hassle-Free
Call Us For Free Estimate : (503) 549-4009

ADU Hillsboro

Tiny homes aren’t the only houses on the rise in Hillsboro. Accessory Dwelling Units (ADUs) are quite popular and almost everybody can support, especially as our culture shifts from single-generational houses 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 homes, studio apartments or guesthouse, or tiny house. Each city has their own zoning laws and allows for building a Hillsboro ADU unit.

If you do not currently understand, Stanlees Home Improvements is a high quality, full service, earth friendly ADU home builder in Hillsboro, OR while also concentrating on energy efficient brand-new house and Hillsboro ADU remodel construction. We are a family owned & operated local organization with impeccable references, and a triple A credit rating. We are members of the Better Business Bureau with high ratings, and are a Certified Lead Safe business. We always provide complimentary estimates and on-time, on-budget.

Hillsboro 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 Hillsboro, Oregon

Why Build An ADU?

As the many names suggest, ADU Hillsboro areas are private and separate from the main section of the house. They’re likewise not restricted to member of the family. Besides being a guesthouse or living area for family or a nanny, you can use it as a personal space if needed. For example, as a as a private artist or composing studio, a film or home entertainment space for hosting football watching parties, or a workplace.

Depending upon the type of ADU, they can have little visible effect on the outside of the existing primary home, and small to no influence on structure footprint. However, there are many obstacles connected with the style of such systems, such as adding a different entryway, producing egress in a basement or top floor, handicap available restroom, and conference appropriate square footage and overlay zoning requirements. Aside from physical modifications, ADUs may raise density and alter the social character of the area.

Keep in mind the majority of municipalities do not enable residents to rent out ADUs. Laws change each year, so you need to check with your city first. A “backyard home” sounds so non-threatening, who could possible oppose it?

ADU Contractor

Hillsboro ADU Contractors

Rules For Adding a Hillsboro ADU or Guesthouse:

You can have your guesthouse attached or detached to the primary home depending upon the size of your home or business lot. Hillsboro may need guesthouses to be of the same architectural style and structure materials of the primary house. You and your neighbors do not wish to see a clashing design on a daily basis.

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

ADU Contractors Hillsboro Oregon

FAST And Reliable Estimate In A Manner That Is Expedient And Hassle-Free
Call Today: (503) 549-4009

Hillsboro ADU Builder

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

  • Avalibility

    Only one guest house per lot.

  • Parking

    You should supply one parking space for the ADU without taking away from parking for the primary home. You can not have 2 areas for the ADU.

  • Deminsion Guidelines

    The guesthouse can be 900 square feet at max and can not exceed HALF of the gross flooring location of the primary home.

  • 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 extra guidelines if you have a huge home and lot to begin with.

  • ADU Height

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

  • Address Guidelines

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

adu portland contractor

ADU Hillsboro Contractors

Work with A ADU Hillsboro Contractor?

Every contractor has their specialty, so make certain to find one with experience in house additions and remodels. Stanlees Home Improvements has built lots of ADU homes. We have positive local contractor reviews on Google, Yelp, Angie’s List, and or Facebook. Never ever sign a contract without first evaluating a made a list of bid for the project, which must break out costs into labor and materials. We constantly consist of a start and end date and reasonable market price quote. Our Hillsboro general contractors will always communicate with you and let you understand the number of people will be working on the home job and will be on your home or business, consisting of if any of the work will be farmed out.

Residential ADU Hillsboro Contractor

Attached or detached? Conversion or brand-new structure?

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


Do not let their small size fool you; even small structures require style work from an architect, particularly given the style puzzles that limited space can provide. Figure in 8-15% of construction expense for your ADU design, depending on level of design services needed and your option of designer.

residential adu portland contractor oregon
adu builder portland oregon

ADU Builder Hillsboro

Construction Expenses

Building and construction costs vary a fair bit depending upon the specifics of a project. We’re typically asked, “Exactly what does an ADU expense to develop per square foot?” But when developing a Hillsboro tiny house, we are essentially squeezing all the components of a bigger home onto a smaller footprint, so per square foot expense falls short as a helpful step. Rather, overall expense is more handy. Generally speaking, the ADUs we build (particularly the stand-alone range) start at at sixty thousand dollars in building and construction cost, with that cost increasing depending on style options about surfaces, fixtures, and building components.

ADU Hillsboro remodels can be costly. Contact us first to see if now is the right time to refinance your home mortgage and if a remodel or if an ADU is the very best alternative. Doing so may offer you with extra money for house projects.

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

Hillsboro ADU Contractors Service Areas

BEAVERTON, CLACKAMAS, GLADSTONE , GRESHAM, HAPPY VALLEY, HILLSBORO, LAKE OSWEGO, OREGON CITY, PORTLAND, TIGARD, TROUTDALE, TUALATIN, WEST LINN, WILSONVILLE, VANCOUVER, CAMAS, 97223, 97008, 97224, 97035, 97281, 97078, 97219, 97076, 97075, 97077, 97298, 97062, 97034, 97005, 97225, 97221, 97007, 97239, 97258, 97036, 97268, 97269, 97201, 97140, 97291, 97003, 97205, 97202, 97222, 97006, 97204, 97267, 97251, 97238, 97228, 97208, 97280, 97296, 97294, 97283, 97286, 97256, 97254, 97253, 97282, 97290, 97292, 97293, 97242, 97207, 97240, 97068, 97209, 97214, 97070, 97210, 97229, 97227, 97206, 97027, 97232, 97212, 97215, 97123, 97266, 97213, 97217, 97086, 97216, 97211, 97015, 97203, 97132, 97218, 97220, 97002, 97236

Additional Information For Hillsboro, OR

Hillsboro (/ˈhɪlzbəroʊ/) is the fifth-largest city in the State of Oregon and is the county seat of Washington County.[8] Lying in the Tualatin Valley on the west side of the Portland metropolitan area, the city hosts many high-technology companies, such as Intel, that comprise what has become known as the Silicon Forest. At the 2010 Census, the city’s population was 91,611.[9]

For thousands of years before the arrival of European-American settlers, the Atfalati tribe of the Kalapuya lived in the Tualatin Valley near the later site of Hillsboro. The climate, moderated by the Pacific Ocean, helped make the region suitable for fishing, hunting, food gathering, and agriculture. Settlers founded a community here in 1842, later named after David Hill, an Oregon politician. Transportation by riverboat on the Tualatin River was part of Hillsboro’s settler economy. A railroad reached the area in the early 1870s and an interurban electric railway about four decades later. These railways, as well as highways, aided the slow growth of the city to about 2,000 people by 1910 and about 5,000 by 1950, before the arrival of high-tech companies in the 1980s.

Top nnn