Maksymov Brownstone LLC

Sammamish DADU contractor

A Sammamish DADU starts with the plateau. Sloped lots above East Lake Sammamish Parkway, wooded yards near Sahalee, drainage toward Lake Sammamish, wet pockets near Pine Lake or Beaver Lake, tight Klahanie access, and older utility routes can shape the project before the floor plan does. Maksymov Brownstone LLC helps homeowners plan rentals, parent suites, guest cottages, or flexible backyard housing around slope, stormwater, utilities, privacy, permits, and daily use first.

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Why build a DADU in Sammamish?

Sammamish homeowners often build DADUs to add flexibility without leaving the neighborhood. A detached unit can support aging parents, adult children, caregivers, guests, or long-term rental use. It also offers more privacy than a basement ADU or garage conversion, with its own entry, kitchen, bath, roofline, and daily routine.

Around Klahanie, Sahalee, Trossachs, Pine Lake, Beaver Lake, Inglewood Hill, and East Lake Sammamish Parkway, early planning matters because slope, drainage, trees, access, utilities, and critical-area review can shape the whole project.

Dadu building

Tailored backyard units for local homes

A DADU is a detached accessory dwelling unit built on the same property as the main house. In Sammamish, the site can change the design quickly. A flatter Klahanie lot may allow a clean side-yard path. A wooded Sahalee property may need tree-aware placement and privacy planning. A home near Pine Lake, Beaver Lake, or East Lake Sammamish Parkway may need tighter stormwater and slope review. We check those details early, so the unit fits the lot, not just the drawing.

Dadu construction
Dadu kitchen

Design-build from one team

With DADU design-build in Sammamish, planning, permitting, construction, and finishes stay connected. That matters because a compact detached home still needs foundation work, utility coordination, drainage, framing, insulation, inspections, and interior details to line up.

Maksymov Brownstone LLC helps Sammamish homeowners with site review, layout planning, permit coordination, construction drawings, foundation planning, utility coordination, framing, drywall, cabinetry, tile, flooring, trim, fixtures, and final walkthrough.

One connected process helps avoid the gap between a polished concept and a backyard unit that can actually be built cleanly.

Dadu example

Custom planning for Sammamish properties

A customized DADU Sammamish project should start with the property, not a stock backyard cottage plan. Sammamish lots are too varied for one standard layout.

We look at setbacks, utility routes, slope, drainage, trees, driveway access, parking, privacy, critical-area indicators, and how the unit relates to the main home.

A rental near Klahanie may need durable finishes and smart storage. A parent suite near Pine Lake may need safer access and fewer steps.

A guest cottage on a Trossachs or Sahalee lot may need careful window placement and tree planning. The best plan responds to the site before construction starts.

DADU construction roadmap

MB Remodels follows a structured Sammamish DADU construction workflow built around local site realities: plateau slopes, stormwater, trees, utility paths, driveway access, critical-area review, permits, inspections, and clear communication from first review to final finishes.

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  • 01

    Site walk & feasibility check

    We start with the Sammamish property, not a brochure plan. The first review looks at access, slope, drainage, trees, existing structures, driveway layout, utility routes, parking, privacy, and how the DADU would sit near the main home. Wetlands, streams, steep slopes, erosion areas, landslide hazards, aquifer recharge zones, and sensitive-area mapping are checked early when the site suggests them.

  • 02

    Planning & layout

    After the site review, we shape the unit around its purpose. A rental needs durable finishes, storage, acoustic separation, and simple maintenance. A parent suite may need fewer steps, better bathroom clearance, more natural light, and a safer path from the driveway. A compact Sammamish DADU should feel efficient, private, and livable — not like leftover space behind the main house.

  • 03

    Permitting support

    Permitting in Sammamish is part of the build strategy, not a formality. Projects may involve zoning review, site plans, construction drawings, stormwater information, utility coordination, energy code documentation, parking review, and critical-area review for wetlands, streams, steep slopes, erosion areas, landslide hazards, or frequently flooded areas. We help organize the package before missing details slow the job.

  • 04

    Construction & finish work

    Once permits are ready, the work becomes sequencing: site protection, excavation, foundation, drainage, framing, roofing, windows, rough plumbing, electrical, mechanical, insulation, drywall, cabinets, tile, flooring, paint, trim, fixtures, and final inspection. Sammamish wet months make flashing, ventilation, waterproofing, and drainage details especially important.

Built for Sammamish lots. Planned for permits. Finished for real residents.
We do more than DADU construction

We do more than DADU construction

Maksymov Brownstone LLC also supports Sammamish homeowners with remodeling work that often connects to a DADU project: basement remodels, garage conversions, attic upgrades, kitchens, bathrooms, custom cabinetry, tile, flooring, trim, and interior finishes. That helps when the backyard unit changes storage, parking, family use, or how the main house needs to function every day.
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5 average (10 reviews)

What our customers say

J
J Jenny Lian
2 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
2 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
2 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.

A
A Amy Zier
1 month ago

They did an excellent job on my bathroom! Detailed work and calculated everything before cutting. Highly recommend!

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B Ben Johnson
1 month ago

Ihor and his team have done work all throughout our house and always provide professional and fair service. I appreciate that they take the time to make sure the work is done right. Use them for your next project!

D
D Diana Pollock
1 month ago

Ihor and his team are AMAZING!!! Does awesome work, very responsive, and always has great solutions. Highly recommend!

M
M Marta Stashevska
1 month ago

Fast and reliable service. Flooring look amazing. They know what they’re doing, they recommend materials, and always answer questions.

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S Sergei Fadeev
1 month ago

Ihor and his crew did amazing work on our kitchen. Everything turned out great. We got 100+ sqf addition so now our kitchen is bigger than before. Also they made this custom cabinets. Highly recommended!

Y
Y Yauhen Soladau
1 month ago

Good company, thanks for your work. I will be recommend this company to my friends.

G
G Gina Eisele
1 month ago

We had a great experience with our living room remodel. We needed to remove a large built-in cabinet and fireplace; replacing it with a new fireplace, surround, shelves, and repairing the walls and flooring. Ihor and the team were very communicative, easy to work with, and they treated our time and home with respect. They stayed engaged even through the final finishing touches. We are thrilled with the result and would recommend their work. Before and after pictures added.

Gallery MBR - bathroom services
Gallery

Here are some photos of the projects to inspire and help you create your own project. If you are looking for ideas, you're in the right spot!

Portfolio MBR bathroom remodeling
Portfolio

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

areas Seattle

Where we offer DADU construction

Maksymov Brownstone LLC provides DADU construction, planning, and permit coordination in Sammamish and nearby Eastside/Greater Seattle communities. Use the area links below to explore location-specific pages for nearby cities. Each area can bring different zoning, drainage, access, utility, slope, tree, parking, and critical-area conditions, so local planning matters before construction begins.

Frequently asked questions

This section covers the most common questions that clients ask about DADU construction services. If you have any additional questions, contact our support team for more information.

What budget range makes sense for a Sammamish DADU?

Cost depends on the property as much as the unit size. A flatter Klahanie lot with clean side access is different from a sloped property above Lake Sammamish where drainage, trees, foundation work, and staging need more care. Utilities, finish level, permit requirements, privacy planning, stormwater control, and construction access also affect the budget. We review the site first so pricing is based on real Sammamish conditions.

Can the backyard unit be fully detached?

Yes. Sammamish allows ADUs in detached configurations, including two detached ADUs, one attached and one detached ADU, or conversion of an existing structure into an ADU when the property qualifies. A DADU is the detached version: a separate dwelling unit on the same lot as the main home. That does not mean every backyard location works; access, drainage, setbacks, utilities, trees, and slope still control placement.

What permits and reviews should be expected?

A DADU is a dwelling unit, not a shed or storage building. The permit path may involve zoning review, site planning, construction drawings, energy code documentation, stormwater information, utility coordination, and additional review if the property touches wetlands, streams, steep slopes, erosion areas, landslide hazards, or frequently flooded areas. This should be checked before the design is treated as final.

How does parking affect the plan?

Sammamish says no additional parking is required when the property already has four or more parking spaces, including garage and driveway space. That can help on larger suburban lots, but parking should still be planned realistically. Residents need a practical way to reach the unit, and driveway layout, guest parking, slope, and daily access still matter.

Which site constraints matter most on the plateau?

The common Sammamish issues are slope, drainage, trees, utility routing, driveway access, setbacks, privacy, stormwater control, steep slopes, wetlands, streams, landslide hazards, erosion areas, and aquifer recharge zones. A Klahanie lot may be access-driven. A Sahalee property may be tree-driven. A site near East Lake Sammamish Parkway may be slope and drainage-driven.

Can the design be shaped for parents or family?

Yes. A family-use DADU can be planned for aging parents, adult children, caregivers, guests, or long-term flexibility. That may mean safer entry, fewer steps, better bathroom clearance, more natural light, quieter bedroom placement, or storage that works in a compact footprint. In Sammamish, custom planning also means fitting those needs around slope, trees, drainage, utilities, and the actual shape of the yard.

Can a Sammamish unit work as a long-term rental?

A Sammamish DADU can be planned for long-term rental use, family housing, caregiver space, or guest use when it meets applicable zoning, building, utility, safety, permit, and inspection requirements. For rental use, the design should handle daily wear: durable flooring, practical storage, good ventilation, sound control, and enough separation from the main house.

Why are Sammamish DADU projects so site-specific?

Sammamish combines plateau lots, wooded neighborhoods, lakes, slopes, drainage paths, long driveways, newer subdivisions, and older utility assumptions. A plan that works in Klahanie may not work near Pine Lake, Beaver Lake, Sahalee, or East Lake Sammamish Parkway. Water, grade, trees, access, parking, and utility routes can control the project before finishes are even discussed.

Can design and construction stay with one team?

Yes. Maksymov Brownstone LLC provides design-build support from early site review and permit coordination through construction, finishes, and final walkthrough. This helps on Sammamish DADUs because layout, stormwater, utility routing, access, critical-area review, inspections, and finish decisions need to stay connected from the beginning.

Where should the project start?

The first step is a property review. We look at the main house, yard access, slope, drainage, trees, utilities, parking, privacy, existing structures, and homeowner goals. From there, we can discuss layout direction, permit path, budget range, and construction sequence. In Sammamish, the site usually tells the truth before the drawing does.