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TRUSTED BY NAPA, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon11
    Verified excavation services reviews

Top-Rated Excavation pros in Napa - Updated Nov 2026

Avatar for Castaneda Grading & Excavating
Castaneda Grading & Excavating
5.0(
23
)
Building Site - Preparation and ClearingLandscape - Minor Grading or ReslopingExcavation - Major Grading or Resloping+2 more

Serving Napa, CA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Humberto is a very creative problem solver! Personable and definitely interested in customer satisfaction, so spends time understanding the full scope of the problem. The problem was the subterranean north wall of the sanctuary of First Presbyterian Church in Vallejo that was far from being waterproof, especially with the rains last winter. Castaneda dug out the soil next to the wall, pressure washed it and applied two coats of DryLok and then a layer of Henryâ s waterproofing. Then Humberto installed a French drain and then a big pipe to route the water off of five downspouts. To get the correct drainage slope, more excavating needed to be done than anticipated. Removed five landscaped trees and lots of concrete that was in the way of the drains which were to be routed under city sidewalks."
Garden
Graded
Finished driveway
Final slope grade
Finish grade 4 inches below sidewalk

+77

Response time1 day
Response rate96%
22 neighbors recently requested a quote
Avatar for SH Grading & Excavating
SH Grading & Excavating
5.0(
17
)
Building Site - Preparation and ClearingLandscape - Minor Grading or ReslopingExcavation - Major Grading or Resloping+2 more

Serving Napa, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"I am incredibly pleased with this company. The entire crew were 100% professional. The owner of the company took time to answer my homeowner questions as they came up. He was very patient and thorough. All the men on the job worked incredibly hard and stayed on task throughout the project. They installed the French drain, installed a washout and removed an old deck all in a weekend. I would most certainly recommend them."
Grading
Grading
Grading
Grading
Dirt pile

+25

Response time7 hrs
Response rate100%
16 neighbors recently requested a quote
JOHN MOUNTAIN
5.0(
7
)
Excavation - Major Grading or ReslopingBuilding Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Napa, CA and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"I cannot say enough about how good this experience with John Mountain/Mountain Engineering has been. They said it would be 3 weeks; anti was. The work was painstakingly done, including a French drain behind the wall. And they replaced the plants that were destroyed during the process, which was an unexpected bonus."
Response time10 hrs
8 neighbors recently requested a quote
Recommended by57%of homeowners
Avatar for De Haro Landscaping
De Haro Landscaping
4.7(
12
)
Landscape - Minor Grading or Resloping

Serving Napa, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Rafael did an excellent job repairing my fence. I will highly recommend him for any project based on how he completed this one so thoroughly. Thank you again for a job well done. It was a pleasure meeting you."
Front yard Landscape
Front yard Landscape
Front yard Landscape
Front yard Landscape
Front yard Landscape

+17

Response time2 days
5 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for E G Paving Construction, Inc.
E G Paving Construction, Inc.
5.0(
2
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Napa, CA and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"Edgar and his employees were amazing. Their bid was the best. Other guys said they would have to rip up pavement that this crew could do no problem minimally. The guys were so well groomed and polite. Not that that matters but it was an extra bonus. Lovely crew and incredible job in a few days. I will for sure use them again."
Driveways
Building pads
Concrete patio
Preparation
Asphalt pave

+4

Response time2 days
6 neighbors recently requested a quote
Recommended by50%of homeowners
PINA EXCAVATING CONTRACTOR
New to Angi
Building Site - Preparation and ClearingExcavation - Major Grading or Resloping

Serving Napa, CA and surrounding areas

Approved

Free estimates

Credit card accepted

Roseville Demolition is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

10 neighbors recently requested a quote
Raya Engineering
New to Angi
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Napa, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

Here at Raya Engineering, we sustain our company on the principal that our customers come first. We offer services that are tailored to your needs and we're ready to show you what our experience can bring to your project! Call us today!

Avatar for Green Infrastructure and Environmental Inc.
Green Infrastructure and Environmental Inc.
New to Angi
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Napa, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Green Infrastructure and Environmental Inc. is a licensed, insured general contractor serving San Francisco, Sacramento, and surrounding Northern California communities. We build durable, well-finished work for homeowners who want it done right the first time. \n \nOur specialties include concrete flatwork, foundations, home additions, full remodels, electrical, and paver installations. Whether you're pouring a new driveway, expanding your living space, or upgrading your home's electrical system, our crews handle the job from planning through final cleanup. \n \nWhat sets us apart: \nClear, upfront estimates with no surprises \nSkilled crews and quality materials \nReliable scheduling and honest communication \nCode-compliant work built to last \n \nWe take pride in treating every property like our own and standing behind our work. Contact us today for a free, no-obligation quote and see why our customers trust us with their biggest projects. \n \n

4 neighbors recently requested a quote
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Excavating FAQs, answered by experts

Call 811 to locate and mark the gas lines at least three days before digging. In many areas, you can dig within 18 inches of the lines, though in some locations, the distance may be further. Check local regulations, as you may need a utility company representative onsite when digging. Document your calls to 811 and precautions taken to avoid gas lines. A homeowner can be held liable for hitting a gas line in some cases, but contacting the proper authorities and following all guidelines can offer protection.

How deep your septic system needs to be into the ground depends on several factors. In extremely cold environments, the tank needs to rest below the maximum frost line, which can be up to six or eight feet deep. The standard burying depth for most systems is between a few inches and four feet below ground level. Depth can also depend on the slope of the landscaping and other property variables. 

Consultation with the local government helps identify necessary permits, avoid project delays or legal issues, and protect project integrity.

Downspouts should be buried at least 5 to 10 feet away from your foundation. This can vary depending on your local building codes, soil type, and property slope. The main goal is to ensure water is directed away from your foundation.

While you can save some money by digging your own pool, you may end up paying more in construction equipment rental fees in the long run. You could, however, focus your DIY energies on lowering the cost of leveling your lawn for your pool or filling in surrounding landscaping after construction.

The Napa, CA homeowners’ guide to excavation services

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