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Best excavation pros near San Marcos, CA

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TRUSTED BY SAN MARCOS, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon19
    Verified excavation services reviews

Top-Rated Excavation pros in San Marcos - Updated Nov 2026

Avatar for Kan Builders
Kan Builders
5.0(
13
)
Landscape - Minor Grading or Resloping

Serving San Marcos, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"If you need your yard or fence done, use these guys. They did an awesome job and were super tidy the whole time. I didn?t take before photos because it was an eyesore before this lol but I love how clean and nice it looks now! The entire staff is pretty cool"
Hillside Engineering
16 neighbors recently requested a quote
Accurate Grading and Demolition, Inc.
4.3(
26
)
Landscape - Minor Grading or ReslopingExcavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving San Marcos, CA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Quick and efficient. Unfortunately, some large globs of concrete outside of the frames were left behind. Is was so wet and a bit muddy, they were probably missed in the cleanup."
Response time2 days
14 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for JH Landscaping
JH Landscaping
4.6(
9
)
Landscape - Minor Grading or Resloping

Serving San Marcos, CA and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"We shared our vision with Mr. Hernandez of transforming our 2500 sq ft grass back yard into a water conserving oasis with new irrigation, drip watering system, rocks, boulders, plants and trees. He and his crew turned our vision into a reality with top notch work, attention to detail, and within our stated budget despite changes we made during the process. Mr. Hernandez was hands on, responsive and attentive to our needs (I'm a paraplegic) and even went with with us to the nursery to find the best plants and trees for our project. We couldn't be more happy!"
Our Work
Our Work
Our Work
Our Work
Our Work

+54

Response time2 days
Recommended by83%of homeowners
Avatar for M&G Landscaping
M&G Landscaping
5.0(
3
)
Landscape - Minor Grading or Resloping

Serving San Marcos, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"We are extremely pleased with the retaining wall installation. The team was professional, reliable, and attentive to detail throughout the entire process. The finished wall looks great, feels sturdy, and was completed with excellent workmanship. We would definitely recommend their services."
Landscaping
retaining wall
Outdoor kitchen
5 neighbors recently requested a quote
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Excavating FAQs, answered by experts

If you don’t wish to dig it out and convert it into a finished basement, you can still encapsulate your crawl space to protect it from damage for an average cost of $5,500. Finishing a crawl space beyond this isn’t really worthwhile, as the low ceilings mean you won’t be able to use the area as living space.

The rules for trenching and excavation include setting up and following safety protocols, learning how to use tools and machines properly, and ensuring there is a safe exit for all workers. Keep heavy equipment and materials away from the edge of the hole or trench. Call the 811 dig line before starting any excavation or trenching project to ensure you don’t hit any electrical or gas lines.

Directional drilling is complex and requires training to use the advanced machinery. It can be challenging to monitor the position of the drill since there’s no direct line of sight. Directional drilling can also be more expensive with a cost of $10 to $30 per linear foot compared to $5 to $12 per linear foot for trenching. 

To locate an underground downspout, you should start by identifying where the above ground gutter drains. Look for an entry point, such as a pipe or elbow leading into the ground. Follow the surface path for signs like depressions, landscaping disruptions, or wet areas after rain. You can use a metal detector or plumber’s snake to trace the pipe underground. For deeper pipes, a professional locator tool or camera inspection may be necessary. Visual markers or utility maps can also guide the search.

You should dig 3 to 6 inches deep for plastic edging. Dig as wide as you need to fit your plastic edging into it—2 inches is usually sufficient.

The San Marcos, CA homeowners’ guide to excavation services

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