Lois Graham
Eli and his crew produced a high end ADU that is sleek and contemporary. There were a few little scheduling changes, but there was prompt and transparent communication. The room has an elegant, well thought out feel.
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Northwest ADU Bellevue
Northwest ADU Bellevue builds accessory dwelling units in Bellevue and coordinates design, permitting and construction. The company focuses exclusively on ADUs, with pre-designed, permit-aligned plans as an option.
Business Highlights
- It describes construction as licensed, insured and quality-controlled.
Service Area
Bellevue, Tacoma and Mill Creek, plus surrounding communities throughout Pierce, King and Snohomish counties.
Featured on ProsGrade. Northwest ADU Bellevue is one of 10 home builders ProsGrade lists in Bellevue, Washington.
Listing details
4 services listed, including Detached ADUs, Garage conversions and Basement conversions. Open 7 days a week. Rated 5.0 from 77 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Northwest ADU Bellevue compares with the other 9 home builders on ProsGrade in Bellevue, using public Google ratings and review counts.
- Ranks in the top 10% of Bellevue home builders on ProsGrade by Google rating and review volume.
- Rated 5.0 on Google, well above the 4.6 average of other Bellevue home builders on ProsGrade.
- Has more Google reviews (77) than 8 of the 9 other Bellevue home builders on ProsGrade.
- One of 3 Bellevue home builders on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
4 services- Detached ADUsStandalone backyard homes.
- Garage conversionsExisting garages converted into fully permitted dwelling units.
- Basement conversionsExisting lower-level space converted into an independent dwelling unit.
- Build-ready ADU plansPre-designed, permit-aligned floor plans.
Reviews
What customers say
Customers praise detailed workmanship and refined finishes, and several describe communication as clear and proactive. One customer mentioned a few scheduling adjustments but said updates were prompt and transparent; another said custom material sourcing stretched the schedule slightly but still described the finished space as well executed.
Customer Reviews
Jasmine Parker
The Northwest ADU Bellevue team, led by Andrew, produced a highly accessory dwelling unit with exquisite finishing and superb construction. The project management, attention to detail, and overall professionalism were consistent from start to finish. We could not be happier.
August Ward
Aleksey Demonstrated Impressive Skill and attention to detail during our ADU build. The finishes are refined and the construction quality is very high. The timeline stretched slightly due to custom material sourcing, but the result is a luxurious, Well Executed Space.
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Frequently Asked Questions
How long does a typical Northwest ADU project take?
Typical projects take about 6–10 months from initial design to final inspection, with timing affected by city permitting, scope and site conditions.
Can Northwest ADU adjust its build-ready plans for a property?
Yes. Plans can be adjusted for site constraints and municipal requirements.
Does every Northwest ADU basement conversion need a separate entrance?
Not always; local rules may require direct exterior access, and its feasibility review considers the property and local regulations.