Who Does Site Preparation Services In Portland?
Site preparation services in the Portland are provided by a contractor who removes the lot, grades the site, takes care of drainage and erosion control, and finishes it up by leaving a clean, work-ready pad for the next trade. Grover’s Landscape Services & Design provides them for builders and homeowners across the Portland metro area, with a free site visit and written proposal preceding any calls to the equipment.
By Yuriy Cheshev, Owner · Last updated October 15, 2026
What is involved in site preparation before construction?
Clearing, grading, drainage, erosion control and a compacted, accurate final grade, done in that order. Skip a step and the building pays for it later. Here’s the usual sequence:
Phase | What happens | Why it matters |
Site walk | We check slope, drainage patterns, access and what stays or goes | Surprises are cheaper on paper than in dirt |
Erosion controls | Silt fence, blankets and inlet protection go in first | Keeps soil on site and the City happy |
Clearing | Brush, stumps and debris come out | Exposes the real grade |
Rough grading | The ground is shaped to the plan | Sets the slope water will follow |
Drainage and utilities | Drains and trenches go in, coordinated with other trades | Cheaper before the pad is finished |
Final grade | The finished surface is set to plans or survey | Hands a clean pad to the next trade |
The site preparation work done for construction by Portland builders to ask about is far from being exciting. However, it determines what will be the foundation built on the site and what direction the water will flow from the house. The process is also about knowing what is going to remain, inspecting mature trees, fences, and utilities, to make sure that they are not damaged during the works, and developing an efficient plan before any cutting takes place. It becomes even more important when it comes to the heavy clay soil typical in Portland, which holds the water and is hard to compact.
How long before construction should a site be prepared?
Close to the start date but still early enough so that permits, inspections, and the weather won’t interfere with the schedule. My estimate is our rough time frame. A drain job should take a day or so. Land clearing for a residential home takes three to seven days, depending on the density of the brush and access to the land. Clearing, rough grading, drains, and final grade for new construction take two to four weeks.
Bare ground shouldn’t sit around, though. Portland says that between October 1 and April 30, denuded sites need temporary or permanent soil stabilization within two days of ground disturbance, and within seven days from May 1 to September 30. So don’t clear in October and start framing in March.
Bigger projects also add a lead time. Oregon’s Department of Environmental Quality says construction that disturbs one acre or more needs 1200-C permit coverage, and activity can’t begin until DEQ approves it. The application goes in at least 30 days before work starts, so plan for that early.
What does site prep cost on a residential lot?
It depends on the scope, the site conditions and how much material leaves or arrives, so no honest number exists before someone sees the lot. Anyone who quotes a flat price per square foot without seeing the lot is guessing. Smaller drainage and grading jobs often run a few thousand dollars, while complete site preparation for a new build runs higher. We give a written quote after a free site visit.
Ask for line items, because a quote without disposal listed has a gap in it. Three things drive the number. Scope and square footage comes first because the same job requires different crews. It isn’t the same task to clear and grade a quarter acre. Site conditions and access comes second since steep grades, wet clay, or large mature plants adds to the time and equipment required. Disposal and imports is last but hauling brush, stumps, or soil away costs money as does bringing in topsoil or fill to grade the site and those too are line items.
Who handles site preparation for builders in Portland?
Grover’s does, as a subcontractor for residential builders, custom home contractors and commercial GCs. Who takes care of the site preparation for builders in Portland, and is it a fit for builders schedule? We deliver to spec, grade to survey or plans and coordinate with the next trade so that the schedule is not impacted. A builder receives one contractor for the entire site work scope, one written proposal and one schedule. Advise us to your start date and your next trades start date early on, so that we can sequence the work around both.
This is important, as projects get stalled. Builders/owners often find out to late that site work was not in anyone’s scope. We can come in, finish the prep and turn over a clean pad.
Which contractor near me prepares building pads?
One who treats the pad as engineering, not dirt moving. Which contractor near me prepares building pads? We do and building pad preparation Portland projects need to start with clearing and stripping, then rough grading and compacting fill in lifts. Compacting in lifts keeps the pad from settling six months later under a patio, driveway or slab. Drainage is a concern at the edges of the pad, since water should flow away from the pad rather than beside it.
Ask any contractor these questions before hiring:
- How will you set final grade, by laser level and grade rod, or by eye?
- How is fill compacted, and in what thickness?
- Who confirms the pad meets the plans, the engineer or the surveyor?
- What happens to the soil you remove?
- Is erosion control in the price?
We set final grade by string line and laser level, not by eye. We also work with the project’s engineer and surveyor, since they set the numbers and we build to them.
Who clears and preps construction sites in Portland?
Grover’s does, and clearing is where most jobs start. Who clears and preps construction sites in Portland, and what does that include? Lot clearing and grubbing Portland sites need means brush removal, blackberry and ivy removal, stump grinding and full debris hauling. For bigger trees, we coordinate with licensed tree services and handle the rest of the clearing and grade work ourselves.
Portland adds a rule every site must follow. The City says any construction project with ground-disturbing activity must meet its erosion and sediment control requirements, and most projects need an approved erosion control plan. On permitted sites, a pre-construction inspection of the controls happens before any ground is disturbed. So the controls go in first, then the machines. When you call, tell us the lot size, what’s growing on it and when the builder needs it ready, and we’ll plan from there.
Where does Grover’s prepare construction sites around Portland?
We work across Portland, Lake Oswego, Beaverton, Tigard, Tualatin, Sherwood, Wilsonville, West Linn and Oregon City, plus Gresham, Milwaukie, Happy Valley, Clackamas and Hillsboro. Our site preparation and excavation page lists every service, and the Portland location page has local coverage details. To see how a local job runs, read the guide to site preparation in Tualatin. When you’re ready, request a free quote or call (503) 936-8910.
Frequently Asked Questions
What does site preparation actually include?
Land clearing, grading, excavation, drainage, soil import and export with compaction, and complete site preparation for larger builds. Complete prep covers clearing, rough grading, drainage, utility coordination, erosion control and final grade to spec. Each service can be a standalone job or part of a bigger package, so we build the scope around what your site needs.
Do you work to a builder's construction schedule?
Yes. We regularly subcontract for builders and general contractors, and we put the schedule in the written proposal so everyone can plan around it. We coordinate with the next trade so the handoff is clean. Weather can still shift a date, especially in the wet season, and we’ll tell you early if it does.
Can you prepare a site with difficult access or steep ground?
Often, yes, though it takes planning. We use mini excavators and compact track loaders sized for tight residential access, and we plan around slope, wet clay and mature vegetation. Those conditions add time and equipment, so they show up in the proposal. We look at access and grade during the site walk and tell you honestly what it means for the work.
Do you handle erosion and sediment control on site?
Yes. We use erosion control blankets and silt fence where the site and the season require them, and complete site prep includes erosion control. Portland’s rules want controls in place before ground-disturbing work starts, so we plan the sequence around that. Your project’s approved plan still sets the requirements.
Do you work with the project's engineer and surveyor?
Yes. They set the numbers, so we build to them. We hit grade by survey or plans, so the finished pad matches what the engineer and surveyor specified. If something on site doesn’t match the drawings, we flag it before we cover it up.
Contact or Call Us
Grover’s Landscape Services & Design Serving Portland and surrounding Oregon metro communities Phone: (503) 936-8910 Hours: Monday to Friday, 8:00 AM to 5:00 PM Family-owned since 1995. Oregon CCB #100592. Free site visit and written proposal.
