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Where The Island Meets Design

A Landscape Shaped by Mercer Island's Geography

Building on sloped, waterfront land here comes with real risk. Get a retaining wall wrong on Mercer Island, and you're looking at erosion, a failed inspection, or worse.

Mercer Island regulates grading and earthwork, with seasonal limits in some areas, so timing your project matters as much as designing it. Several key areas sit within landslide hazard zones, and significant tree removal requires city review before any work begins.

A landscape designer working on Mercer Island has to solve for these conditions before drawing a single line, not after. Our team plans around:

  • Soil and drainage conditions unique to island land
  • Waterfront slope management along the shoreline
  • Permitting for impervious surfaces and grading limits
  • Mercer Island homeowners can also receive tree vouchers from the city, which we help factor into your planting plan

That local knowledge is what keeps a beautiful design from becoming a construction problem later.

What We Build

Landscape Design Company Mercer Island Homeowners Choose

Each service is part of one integrated design-build: designed and constructed by the same crew, from first concept to finished yard.

Licensed, Warranted, Accountable

Why Mercer Island Trusts Our Landscape Construction

Our team is licensed, experienced, and backed by a warranty on every completed job, with clear expectations set from the first conversation.

1

Licensed Contractor

We hold Washington State Contractor License ANGKOI*750PA, current and verifiable for every project we take on.

2

50+ Years Combined Experience

Our professional team brings over 50 years of combined design and construction experience to every Mercer Island property.

3

5-Year Workmanship Warranty

Every project completed on Mercer Island carries a 5-year workmanship warranty — a commitment that covers the build long after the crew has left your site.

4

548 Completed Projects

We've completed 548 landscape and hardscaping projects across Greater Seattle, giving us real experience with island-specific conditions.

Angkorscape licensed landscape team completing residential project on Mercer IslandMercer Island homeowner reviewing landscape design results with Angkorscape teamCompleted custom landscape design project at Mercer Island Washington property

Serving Every Corner Of The Island

Custom Landscape Design in Mercer Island, From North End To South

Every part of Mercer Island presents different conditions — waterfront lots come with slope and shoreline setbacks; interior parcels deal with tree canopy and limited sightlines. The work we do on a North End property looks different from what a South End lot needs.

  • North End: Includes the Town Center and neighborhoods like Mercerdale, First Hill, and Madrona Crest, with direct I-90 access.
  • East Seattle, Roanoke & Lucas Hill: Historic North End areas tied to the island's early settlement.
  • North Mercer Way & Waterfront: Shoreline enclaves including Faben Point and Fruitland, where slope management matters most.
  • Mid-Island: The area along Island Crest Way, connecting the island's northern and southern halves.
  • East Mercer & West Mercer: Wooded, sloped properties along East Mercer Way, and Lake Washington-facing lots along West Mercer Way.
  • South End: Lower-density residential areas with wooded properties and access to Mercer Island's extensive parks and open spaces.

How We Work

Your Complete Landscape Design Consultation

Every project starts with a conversation about your property, your goals, and your budget. From there, we guide you through design, permitting, and construction as one smoothly connected process.

Angkorscape construction crew building custom landscape design on Mercer Island
  • Discovery Call: We discuss your vision, priorities, and budget before any design work begins.
  • Site Assessment: Our team evaluates your property's grade, drainage, and soil to ground the design in reality.
  • 3D Design: We build your design in 3D, refining it together until every detail feels right.
  • Permits & Preparation: We handle Mercer Island's permitting requirements in-house, including any impervious surface approvals.
  • Construction: Our crew builds your landscape exactly as designed, putting every detail in place with one point of contact throughout the job.

In Their Words

What Mercer Island Homeowners Say

Mercer Island homeowners consistently mention the same things: responsive communication, a reliable crew, and a finished landscape that matches what was designed from the very first consultation.

Phil Glover

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5.0 out of 5

Based on 57 Google Reviews

I spent a lot of time researching different landscape designers, and without a doubt Angkorscape had the aesthetic I was looking for. The process was collaborative and they nailed what I was looking within my budget restraints. 

Angela Nguyen

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5.0 out of 5

Based on 57 Google Reviews

If I had to sum it up, Angkorscape was worth every penny! Their design, communication, expertise, time and patience made this busy mom so appreciative to have someone do this project with such care. It was one less thing I had to juggle or worry about on top of everything else.

Olive Avah

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5.0 out of 5

Based on 57 Google Reviews

We started with their Conceptual Design to sort out layout and materials, then upgraded to the Build Tier once we were ready to pull the trigger. The in-person visit and site measurements made the plan feel very dialed-in, and the 3D views helped us see the space before anything was built. Smooth handoff into construction and the results match the design.

Branden Legg

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5.0 out of 5

Based on 57 Google Reviews

We just finished a large project and are extremely happy with the results. Every step along the way was organized, quick, and responsive. Starting with a great 3D model, selecting the materials, construction, plant selection, and finally now enjoying the finished backyard we want to thank everyone involved.

Josh Guenser

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5.0 out of 5

Based on 57 Google Reviews

Thy and his crew were incredible to work with from design through to the end product. They are friendly, kind and creative. We absolutely love the end result - high quality that looks better than we could have expected. Best of all, the project finished on time and on budget. I highly recommend Angkorscape to anyone that’s looking for landscaping work.

Victoria Bao

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5.0 out of 5

Based on 57 Google Reviews

I selected them to design and construct all landscaping around my house even they were not the lowest bid, but I believe hiring the same company to do a "design and build" can achieve the best result and quality to reflect the design. They helped me to select stones in reasonable price to meet my budget.

Recent Work

Before and After: Mercer Island Landscape Design Transformations

We recently completed a front yard transformation in Mercer Island, turning an underused space into a well-designed landscape that improved curb appeal and how the family uses the property.

After custom landscape design completed on Mercer Island WA by AngkorscapeBefore photo underused front yard on Mercer Island WA awaiting transformation
Before
After
After beautiful backyard remodel on Mercer Island by landscape company AngkorscapeBefore outdoor space on Mercer Island before landscape company renovation project
Before
After
After stunning outdoor living space Mercer Island WA completed by AngkorscapeBefore Mercer Island yard prior to hardscaping and landscaping redesign project
Before
After
After completed luxury landscape transformation on Mercer Island WA homeBefore neglected backyard on Mercer Island Washington awaiting landscape renovation
Before
After

Our Approach

What Guides Every Luxury Landscape Design Mercer Island Project

Luxury landscape design Mercer Island projects demand more than good aesthetics. They require an understanding of how the island's terrain, tidal buffers, and municipal code actually affect what can be built — and where.

Working With Island Soil

We plan around the soil and drainage conditions specific to Mercer Island, because generic assumptions lead to drainage failures later.

Waterfront Slope Management

We manage waterfront slopes to control erosion on shoreline properties, designing retaining structures and drainage systems suited to each site's grade and exposure.

Permitting & Regulations

Mercer Island enforces strict codes for impervious surfaces, grading, and tree removal. We handle permitting in-house so that regulatory requirements are built into the design from the start, not addressed as a delay later.

Native Materials

Native plants establish well in Mercer Island's soil and climate, supporting the local environment while requiring less irrigation and maintenance over time than non-native alternatives.

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Simplify Your Yard

Low Maintenance Landscape Design Mercer Island Homeowners Want

Mercer Island's tree canopy and variable light conditions mean the wrong plant in the wrong spot creates maintenance problems that compound over time. Low-maintenance landscape design Mercer Island homeowners ask for starts with selections matched to each property's actual sun exposure, soil type, and drainage, keeping the yard manageable through every season.

Native & Drought-Tolerant Plants

We choose native and drought-tolerant plants suited to Mercer Island's growing conditions, which need less water and maintenance than non-native alternatives once established.

Mulch & Soil Care

Mulch retains moisture and helps maintain healthy soil, reducing how often garden beds need attention.

Efficient Irrigation

Drainage and irrigation planned for sloped Mercer Island lots manages stormwater runoff and reduces the maintenance burden over time.

Front Yard Refresh

Front yard refreshes follow the same low-maintenance principles, improving curb appeal without adding new landscaping upkeep to your property.

Get A 3D Walkthrough of Your Mercer Island Yard

Schedule a consultation and see your Mercer Island landscape in 3D before construction ever begins.

Landscape designer consulting Mercer Island homeowner about project details

Your Questions Answered

Frequently Asked Questions About Mercer Island Landscaping

Do I need a landscape architect for my Mercer Island property, and what's the difference from a landscape designer?

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Most residential Mercer Island projects don't require a landscape architect. Landscape architects typically handle larger-scale or public-site work — Mercer Island landscape architecture of that kind is a separate discipline. What most homeowners need is a licensed landscape designer: someone who plans and builds a custom design specific to your property, with hands-on knowledge of island conditions.

Do you handle permits for tree removal or grading on Mercer Island?

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Yes, of course. Mercer Island has specific codes for removing significant trees and working in sensitive or sloped areas, and we manage that process in-house.

Can you work on waterfront or sloped Mercer Island properties?

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Yes. Our team is experienced in managing waterfront slopes and building retaining walls that control erosion on sloped Mercer Island lots.

Do you offer landscaping services on Mercer Island for smaller projects?

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Yes. Whether it's a full backyard or a smaller front-yard update, our landscaping services in Mercer Island, WA scale to fit the size of your project.

Are you licensed to work on Mercer Island?

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Yes. We hold Washington State Contractor License ANGKOI*750PA, current and verifiable for all Mercer Island projects.

How much does Mercer Island landscaping typically cost?

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Project scope varies by property, but most projects start at $75,000, averaging $150,000 depending on design and construction scale.

Do you serve every neighborhood, or just certain parts of the island?

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We serve all of Mercer Island, from North End neighborhoods like Mercerdale to South End properties near Luther Burbank Park.

Let's Get Started

Begin Your Mercer Island Landscape Design

Your Mercer Island property deserves a team that has worked on this island, planned around what it actually requires, and builds what they design. Contact us to schedule a consultation and start your landscape design project in Mercer Island WA the right way.

Let's Build Something Worth Living In

A space worth building is a space worth planning. Every project starts with a design — fees begin at $2,500.

Tell us about your project and we'll follow up within one business day.

Every project starts with a design. Fees begin at $2,500, credited toward your build.
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