Excavation
Land Clearing in Clackamas County, Oregon
Cojo
July 9, 2026
6 min read
Land clearing in Clackamas County covers everything from clearing a suburban lot in Oregon City to opening rural forested acreage in the foothills toward Mount Hood. The county spans wildly different terrain, so cost and process vary more here than in a flatter county. Expect brush, tree, and stump work, plus real attention to erosion control and county permitting, because much of Clackamas is sloped, wooded, and threaded with streams. The key to a clean project is matching equipment and sequencing to your specific parcel and getting the permits lined up before machines roll in.
Clackamas County stretches from the developed I-5 and I-205 corridor east into the Cascade foothills. That range of ground drives the whole job:
The clay-heavy soils common across the western county hold water and turn to mud in the wet season, so clearing here is often a dry-season job. The further east and uphill you go, the bigger the trees and the more the terrain controls the plan. Clackamas is timber country in a way flatter valley counties are not -- mature Douglas fir, big-leaf maple, and heavy laurel and blackberry on rural-residential parcels mean the felling and stump work often outweighs everything else on the invoice.
A full clear in the county typically bundles:
On a wooded foothill parcel, the tree and stump work dominates the cost. On a suburban lot, access, utilities, and disposal matter more. Comparing quotes means comparing scope, not just the bottom line.
The machine that fits a flat Oregon City lot is not the machine you want on a wooded slope toward Sandy, and that choice drives both cost and how clean the finished ground is.
Where slopes are steep, the crew works down the hill and keeps disturbed soil covered so a wet-season rain does not carry it into a stream. Matching the method to the grade is the difference between stable, buildable ground and a rutted, eroding mess.
Clackamas County and its cities regulate tree removal, grading, and erosion control, and work near the county's many streams and wetlands adds another layer. Expect to address:
None of these should be a surprise on the day work starts. A contractor who works the county lines them up in advance. Before a machine touches the ground, call 811 for utility locates -- rural parcels carry buried water, power, and septic lines that are easy to hit and expensive to fix. The statewide compliance picture is in our Oregon excavation contractor guide.
Cost per acre swings hard across Clackamas because the terrain does. A flat suburban lot clears cheaply; a forested, sloped foothill parcel with big stumps sits at the top of the range.
Industry Baseline Range: land clearing in Clackamas County commonly runs about $3,500 to $25,000+ per acre, with light brush on flat ground at the low end and dense forested slopes with stump removal and haul-off at the top.
These are industry baseline ranges for planning only -- actual pricing depends on site conditions, soil, access, depth, haul-off, and current market conditions. Get a site-specific quote.
| Clearing Type | Baseline Range per Acre |
|---|---|
| Light brush / grass, flat | $3,500 - $8,000+ |
| Moderate, some trees and stumps | $6,000 - $15,000+ |
| Heavy forest, large stumps, slope | $12,000 - $25,000+ |
| Stump removal, per stump | $150 - $900+ per stump |
| Debris haul-off, per load | $250 - $750+ per load |
Real costs run 2 to 3 times baseline when a foothill parcel hides rock that slows stump removal, when wet clay bogs machines outside the dry season, when steep slopes require erosion engineering and inspections, or when long rural access adds mobilization and haul distance. Disposal fees on a densely timbered parcel can dominate the invoice.
The roughly May-to-October dry season is the window here. Western Clackamas clay turns to mud in the wet months, which bogs equipment, ruts the site, and can stall a clearing job for weeks. Dry-season work keeps machines productive and erosion easier to control. If your project has a hard deadline, plan the clearing for summer and get permits moving in spring so nothing waits on paperwork.
A well-run Clackamas clearing job has a rhythm. The crew confirms the 811 locates are marked, stakes the area to be cleared, and sets erosion controls before the first tree comes down. Brush and undergrowth go first so the operator can see the ground and the trees, then felling and stump work follow. Debris is sorted as it comes down -- chips and mulch in one pile, haul-off timber in another, and any burnable material handled under the current fire and smoke rules, which tighten fast in the dry foothills come late summer. By the end, the ground is rough-graded and stabilized so a wet-season rain does not undo the day's work. Knowing this sequence helps you spot a contractor who is cutting corners: skipping erosion control or leaving disturbed slopes bare is how a cheap job turns into an expensive cleanup.
Clackamas County land clearing is as varied as its terrain, from tight valley lots to forested foothill acreage. Match the equipment and sequence to your parcel, line up the county's grading and erosion permits early, and work the dry season to keep costs in check. Cojo is CCB licensed and insured and clears land across Clackamas County and statewide. See our excavation services or request a free estimate.
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