Most Lake Oswego properties are mature. Think established trees protected under municipal code, aging hardscape, and layered plantings that have evolved through decades of ownership. Homeowners renovating these yards aren’t working with a blank lot. They’re managing existing drainage patterns and canopy constraints. In neighborhoods like Mountain Park and Iron Mountain, they also need HOA documentation before the association approves any significant changes.
By Donavan Hesedahl, Owner · Last updated 17th August 2026
What does a landscaping company do, and is it different here than elsewhere in Oregon? The service scope is similar: design, installation, hardscaping, drainage, lawn care, planting, and seasonal maintenance. But the conditions that shape how that work gets done are specific to this market.
In Lake Oswego, a full-scope landscaping company Lake Oswego OR homeowners typically hire handles more than aesthetics. This kind of company coordinates site grading around protected trees. It installs drainage that manages winter runoff before it reaches the lake. It also selects plants that survive dry-shade conditions under a 60-foot Douglas fir. The company also schedules work around the wet season, since excavation becomes impractical then. A company that does this work in Bend or Salem doesn’t carry the same operating context.
Four overlapping factors shape residential landscaping Lake Oswego projects: mature tree canopy, clay-dominant soils, and sloped topography. Add to that a development pattern of older, high-value homes with HOA oversight in certain neighborhoods. Scoping a project without accounting for all four leads to rework.
Full-service landscaping for a rainy-climate home in Lake Oswego OR means coordinating across multiple trades under one contract. That beats managing separate designers, installers, and maintenance crews. Those crews often don’t communicate about site history or drainage decisions made during installation.
Full-service landscaping Lake Oswego contracts with HD Landscape cover:
Design-to-install continuity matters on Lake Oswego properties. Decisions made at the design stage affect how maintainable the property is, year after year. That includes where a retaining wall sits, how a swale drains, and which plants go in a shaded bed. When different companies handle design and installation, those handoffs create gaps. Our landscape design services and hardscaping work operate as part of the same job, not separate contracts.
Lake Oswego sits at the edge of the Tualatin Mountains. Properties from the lake up to Mountain Park and Forest Highlands climb quickly. That elevation change, combined with the region’s Willamette Valley clay soils, creates a predictable set of drainage challenges. We see those challenges on nearly every project we take in this area.
Clay soil doesn’t drain well — it holds water instead of letting it pass through. In low-lying parts of a yard, that trapped water shows up as standing puddles. Waterlogged soil starves plant roots of oxygen, so lawns and plantings decline slowly over time.
Slope changes the problem. On the hillside lots common in Mountain Park, Iron Mountain, and Hallinan Heights, water runs downhill fast. It erodes soil as it goes and tends to pool once the grade levels out. That often happens right where a patio or path meets the lawn. Puddling near the house or against hardscape can cause real damage. That damage gets expensive to fix.
We handle this in Lake Oswego by installing a drain on the high side of any hard surface. A swale usually carries water away from buildings and other structures. Before planting, we also amend the soil so it holds up over time. None of this works as an afterthought — it needs planning from the start. Get these decisions right, and a yard still looks good after five Pacific Northwest winters. Get them wrong, and it can fall apart within two.
The cost to landscape a Lake Oswego Oregon property depends on:
Slope and grading requirements come first. A lot in Lake Grove costs less to install than a hillside lot in Mountain Park. Hillside sites often need retaining walls and drainage engineering before planting can even begin, and that pushes the budget higher.
Existing canopy protection also affects the cost. The City of Lake Oswego protects certain trees, and a protected tree on your property means planning carefully around it. Crews often have to excavate by hand near a protected conifer or hardwood, instead of using machines.
Finally, the scope of the project matters. Some landscaping projects in Lake Oswego are small — a new patio, say, or a single drainage fix. Those can wrap up in one season. Bigger projects can take several years across multiple phases. That’s common here, given the need to work around protected trees and the wet season.
To get an estimate for your landscaping project, you need someone to walk your property in person. Photos alone won’t give you a reliable quote.
Request a landscaping estimate →
If you are trying to choose a landscaper in Lake Oswego there are a few things you should check:
First make sure they have an Oregon LCB license. HD Landscape has Oregon LCB License #9977. You can verify this with the Oregon Department of Agriculture.
You should also ask about their experience working on properties like yours with sloped lots and protected trees. A landscaper used to flat properties may not be the best choice for a hillside property in Lake Oswego.
It’s also worth asking whether the same company handles both the design and installation of your project. Split those roles across two companies, and miscommunication becomes a real risk. One team that owns the whole project tends to work better.
Donavan Hesedahl has worked in landscaping for twenty years, with deep experience in Lake Oswego’s hillside neighborhoods.
HD Landscape and Maintenance LLC provides landscaping services Lake Oswego OR homeowners in the following areas can access year-round:
Within Lake Oswego: Mountain Park, Iron Mountain, Lake Grove, Forest Highlands, Hallinan Heights, First Addition, Palisades, Old Town, Glenmorrie, McVey–South Shore
Beyond Lake Oswego: West Linn, Tualatin, Wilsonville, Oregon City, Clackamas, Dunthorpe, and southwest Portland
For homeowners in Mountain Park’s HOA district, we document all work to the association’s maintained-appearance standards. Service records are available on request.
See our full service area →
It depends on slope, site access, canopy protection requirements, and project scope. A focused single-season install on a flat lot costs considerably less than a phased whole-property renovation on a hillside lot requiring retaining walls and drainage engineering. We scope every project on-site. Get a free estimate →
Full-service landscaping Lake Oswego contracts typically cover design, site grading, planting and lawn installation, hardscaping, drainage, and transition into recurring maintenance. You can engage all of these at once or start with a focused scope—most clients phase work over one to three seasons.
Yes. We incorporate native species—including plants suited for dry shade under mature conifers, part-shade woodland edges, and wet swale areas—into Lake Oswego installations where they fit the design intent and site conditions. Our sustainable landscaping page covers the native plant palette we work with most frequently in this area.
We address clay soil and slope drainage in the installation phase rather than after the fact—through French drains on uphill hardscape edges, amended soil preparation before planting beds go in, and swale routing that directs runoff away from foundations. For steep lots in Mountain Park and Iron Mountain, drainage engineering is part of every project scope.
Yes. HD Landscape handles design and installation as an integrated service. The designer who assesses your site is part of the same team doing the installation, which eliminates handoff gaps and makes it easier to adjust plans when site conditions differ from initial assumptions.
HD Landscape and Maintenance LLC 6581 SW 192nd Ave Aloha, OR 97007 Phone: (971) 336-5520 Hours: Monday–Saturday, 7:00 a.m. – 7:00 p.m. | Sunday: Closed License: Oregon LCB #9977
Serving Lake Oswego, Mountain Park, Iron Mountain, Lake Grove, Forest Highlands, West Linn, Tualatin, Wilsonville, Oregon City, and surrounding Clackamas County communities.