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Top-Rated Excavation major grading or resloping pros in Portland - Updated Nov 2026

Avatar for KT Landworks, LLC
KT Landworks, LLC
4.9(
18
)
Excavation - Major Grading or Resloping

Serving Portland, OR and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Kurt is a man of his word who ensures his client is completely happy before he concludes the project. I had been burned by a prior poor experience with another contractor who's work Kurt needed to remedy. He delivers value, quality and commitment to excellence. Highly recommended, you won't regret hiring him."
Response time2 days
11 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Guest & Son's Excavation and Land Management
Guest & Son's Excavation and Land Management
5.0(
8
)
Excavation - Major Grading or Resloping

Serving Portland, OR and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

Hi, I'm Chase, owner of Guest & Son's Excavation and Land Management. We provide honest, reliable excavation services with quality workmanship, fair pricing, and clear communication from start to finish. Whether you need site preparation, grading, drainage, trenching, driveway work, land clearing, or other excavation services, we treat every property with care and every customer with respect. We offer free estimates and are committed to getting the job done right the first time.

Retaining Wall Footing Excavation
Aggregate Base Compaction
Footing Base Preparation
Creek Bank Stabilization
Farm Drain Tile Repair Completed

+25

11 neighbors recently requested a quote
Avatar for North Woods Tree Service
North Woods Tree Service
4.9(
127
)
Excavation - Major Grading or Resloping

Serving Portland, OR and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"We had a very large branch come down from a tree next to our house and needed someone to dispose of it as well as do some work on the tree itself so no new branches would come down. Ultimately they had to tip a lot of branches (shorten them so that the weight didn't drag the branch down) and shorten the center top of the tree. It required a bucket to get up into the tree. Additionally they did a stump grind on two other former trees, and did some major pruning on a tree that was hanging over a neighbor's house."
50 Feet From Tip To Top
Almost To The Top
Another View Of The Trunk
Arrival Of Crane
Base Log Was Sectioned

+104

5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Eric's Quality Building, Inc.
Eric's Quality Building, Inc.
4.9(
43
)
Excavation - Major Grading or Resloping

Serving Portland, OR and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

"When choosing a general contractor, we were looking for someone to complete multiple jobs in a timely manner, with a solid work history and good reviews. Eric's Quality Building checked all our boxes. Eric provided a fair quote for both a concrete patio extension and a patio cover. Both of our projects were completed in a fast and efficient manner, with the quality of work and customer service provided being stellar. Eric is a younger guy, but he and his crew do a great job. I will use Eric for future projects, and I suggest you hire him for your next project big or small."
 grape arbor done with rough cut material
New Deck
Stair and Fence
Portland ADU (framing siding roofing)
  grape arbor done with rough cut material

+122

4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Valley Pacific Construction INC
Valley Pacific Construction INC
4.6(
9
)
Excavation - Major Grading or Resloping

Serving Portland, OR and surrounding areas

Approved

Super Service Award Winner

In business since 1972

Credit card accepted

Offers commercial services

"Daniel was awesome to work with. He came out and provided a solid estimate in a timely fashion. We had an unexpected sprinkler line that was in the middle of our excavation area and he took care of that. He also provided the materials for a retaining wall that we hadn't initially planned for, and he added that to the project scope without issue. I will definitely reach out to Daniel if we have another project like this one."
storm
underground
tree falling
storm
detention system

+2

Response time1 day
Response rate92%
7 neighbors recently requested a quote
Avatar for Gritstone Excavation LLC
Gritstone Excavation LLC
5.0(
3
)
Excavation - Major Grading or Resloping

Serving Portland, OR and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

Family-owned excavation company with over 30 years of experience delivering reliable, high-quality work. We specialize in utility excavation including trenching, water and sewer lines, and site preparation, while also offering a full range of excavation services. Known for honest communication, efficient project completion, and doing the job right the first time. Fully committed to customer satisfaction and dependable results.

JACOB JOHNSTON
JACOB JOHNSTON
2 neighbors recently requested a quote
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FAQs for excavation major grading or resloping projects in Portland, OR

You can excavate in winter, but frozen soil slows down the process and increases labor costs. Many grading companies offer discounted rates during their off-season, so ask for a winter quote and weigh the savings against a longer timeline. A brief conversation with a local professional will help determine whether cold-weather excavation is suitable for your site.

Foundation digs can be completed in as little as three days or take up to three weeks. Soil density, access, weather, and hidden obstacles all play a role, so every timeline is a bit different. Have your contractor walk the site and flag any potential issues early—clear expectations help keep both the schedule and budget on track.

You must always call 811 before excavating. Dial 811 a few days in advance so that utility crews can mark underground lines and ensure the area is safe for digging. Hitting a buried cable or gas pipe can be both dangerous and expensive, and many municipalities will not issue permits unless the site is flagged correctly.

To remove soil during an excavation project, your crew will load the spoil into dump trucks with a backhoe or excavator, haul it to a disposal site, and return for the next load. Efficient hauling keeps the work zone clear and the project moving. Depending on the site and volume of osil, multiple trucks may rotate to maintain a steady flow.

The Portland, OR homeowners’ guide to excavation major grading or reslopings

From average costs to expert advice, get all the answers you need to get your job done.