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ADU Construction Bothell

Maksymov Brownstone LLC provides ADU construction Bothell homeowners can use to create private, flexible and code-ready living space. Whether you need a backyard cottage, attached suite or converted garage, our team helps plan the layout, permits, materials and construction with clear communication from the first consultation.

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Smart ADU solutions for Bothell homeowners

Bothell ADU construction is a practical choice for families who want more space without leaving a well-connected community. An accessory dwelling unit can support multigenerational living, provide a private guest area, create a work-from-home space or add long-term rental potential.

Bothell has a unique housing mix, from older homes in Maywood and Beckstrom Hill to newer communities around Canyon Park, North Creek and Northmark at Beardslee. Because the city includes both King County and Snohomish County areas, ADU planning should always begin with a careful property review.

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Custom ADU design and construction

As an ADU contractor Bothell homeowners can trust, Maksymov Brownstone LLC manages the full project with organized project management and quality craftsmanship. We coordinate design, structural work, electrical upgrades, plumbing, insulation, windows, kitchens, bathrooms, flooring, lighting and finish carpentry.

Our work includes attached ADUs, detached backyard units, garage conversions and small independent living spaces. Every project is planned around the property’s layout, access, privacy, drainage, utilities and future use. The goal is to make the ADU feel like a complete home, not just extra square footage.

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ADU construction options tailored to your property

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Basement conversion

A basement conversion transforms existing lower-level space into a fully functional living unit with a private entrance, bathroom, kitchenette and living area.

Using the current structure reduces costs while improving moisture control, ceiling height, lighting, insulation, HVAC, plumbing and electrical systems.

This option works well for rental income, extended family, or long-term guest stays.

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Garage conversion

Garage conversions turn underutilized garage space into comfortable living quarters, including a bedroom, bathroom, kitchen and living area.

This solution adds valuable square footage without expanding the home’s footprint while upgrading insulation, windows, flooring, utilities, climate control and modern finishes for versatile everyday use.

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Attic conversion

Attic conversions create private upper-level living space with a bedroom, bathroom, kitchenette and lounge. Structural upgrades, dormers, stair access, insulation, ventilation, skylights, HVAC integration and plumbing allow homeowners to gain extra living space while preserving yard and garage areas, ideal for guests, teenagers, home offices or rental income.

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Built around Bothell’s local conditions

ADU construction Bothell WA requires a local approach because homes and permitting conditions can vary by address. Some properties fall under King County processes, while others may involve Snohomish County review. This matters for permit routing, documentation, inspections and construction planning.

Bothell’s natural setting also affects design choices. Properties near North Creek, Sammamish River Trail or lower areas close to the Sammamish River may need extra attention to drainage, moisture control and site preparation. For ADUs, these details can influence foundation planning, exterior materials, waterproofing and long-term comfort.

Our Bothell ADU building process

A successful ADU starts with a clear plan. Maksymov Brownstone LLC structures the process so homeowners understand what happens at every stage, from feasibility and design to construction and final inspection.

  • 01

    Property and goal review

    We begin by reviewing your goals, family needs, budget range and property conditions. The team looks at the existing structure, available space, access points, utilities, drainage and possible ADU locations.

  • 02

    Layout and design planning

    Next, we create a functional layout for the new living area. This may include a sleeping space, bathroom, kitchenette or full kitchen, storage, windows, lighting, private entry and connection to outdoor areas.

  • 03

    Scope, materials and estimate

    You receive a detailed project scope with material selections, budget expectations, construction stages and estimated timeline. We explain which factors may affect cost, including structural upgrades, utility work, site preparation and finish level.

  • 04

    Permitting and pre-construction

    Maksymov Brownstone LLC helps coordinate ADU permits Bothell projects may require. Depending on the property address, this may involve King County, Snohomish County, Snohomish County PDS Permit Portal, MyBuildingPermit.com or city-specific review steps.

  • 05

    Construction and coordination

    The construction phase may include demolition, framing, foundation work, utility connections, insulation, drywall, flooring, tile, cabinetry, fixture installation and finish carpentry. We keep the workflow organized and provide updates throughout the build.

  • 06

    Final review and turnover

    Before the project is complete, we perform a detailed walkthrough, address punch-list items and coordinate required inspections. The final ADU is delivered with practical function, durable finishes and attention to everyday comfort.

Custom ADUs created with precision, integrity and design that elevate every home
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More ways we can transform your home

MB Remodels provides a range of complementary services beyond ADUs, including basement remodeling, attic conversions and garage conversions. We offer versatility, consistent quality and the convenience of working with one trusted team for all renovation needs.

If you are looking for creative ways to remodel your home, we provide free consultations to help you start your next project in Bothell.
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5 average (3 reviews)

What our customers say

J
J Jenny Lian
4 months ago

I recently had the pleasure of working with Ihor on a remodeling project for my home, and I couldn't be happier with the results. From start to finish, Ihor demonstrated exceptional professionalism, skill, and dedication.

J
J John Nye
4 months ago

This company is amazing. Their team of specialists at remodeling proved to be hard working, determined and perfectionists. The assessment of needs was simple and the quote was more reasonable than expected, and the final invoice had no surprises. There are no risks in engaging this company.

S
S Soledad Guerrero
4 months ago

The experience was so positive that we’re already thinking ahead to our next project with them: remodeling all of our bathrooms. Knowing how dedicated they are to their craft gives us complete confidence in choosing them again.

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Visit our portfolio to explore our work and gather inspiration and ideas for your projects.

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Where we offer ADU construction

Our company can boast a high level of expertise in the building and remodeling industry while delivering high-quality services to our customers. Maksymov Brownstone LLC pays close attention to every detail of your ADU construction project, ensuring you’re more than satisfied with the final result. See all cities we serve across the Greater Seattle Area:

Frequently asked questions

Below are common questions about ADU construction in Bothell. For exact answers about your property, timeline, cost or permit path, Maksymov Brownstone LLC can review your address and help define the next step.

Does Bothell ADU permitting depend on the property location?

Yes. Bothell is a dual-county city, so the permit path may depend on whether the property is in King County or Snohomish County. This can affect documentation, review steps and inspection coordination, which is why an address-specific review is important at the start.

Can I build an ADU near North Creek or the Sammamish River?

Possibly, but properties near water, drainage-sensitive areas or lower elevations may need additional review. Site conditions can affect foundation planning, grading, waterproofing, access and exterior material choices. A proper feasibility review helps identify potential limitations before design work begins.

What type of ADU works best for an older Bothell home?

Older homes may be suitable for attached ADUs, basement units or garage conversions, but the existing structure should be reviewed first. Electrical capacity, plumbing access, insulation, ventilation, framing and moisture control may need upgrades before the space can become a safe living unit.

How can an ADU add value for Bothell homeowners?

An ADU can improve property flexibility by creating space for family, guests, rental income or remote work. In Bothell, where many buyers value the Northshore School District, access to employment centers and more residential space, a well-built ADU can support both daily use and long-term resale appeal.