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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

"Turned out that our major landscaping project that JH Landscaping and his work crew completed for us was stellar. My wife and I were thrilled with the results and so grateful for how great our backyard looks now. They did everything we asked of them, and there were lots of extra, unplanned things that needed to get done, while everything got done within budget. His workers were phenomenal, highly skilled, worked really hard, as they, for example, laid every single paver with their own hands, one by one, laid astro-turf, planted all kinds of plans, flowers, ground covers, installed irrigation. systems, major overhaul, took a couple of months, but now look at the the before and after difference! They knew what needed to get done, how to get it done and got it done! Thank you!"
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

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. 

The average cost for pool excavation is $2,500. This cost can range from $450 to $4,500, depending on the pool shape and size, time of year, and any need to move buried utilities. 

When excavating for your pool, you might have to move existing utilities. You can expect to pay an additional $15 to $25 per linear foot to move gas lines. To move a septic system, it’ll cost an additional $2,000 to $20,000. A pool that is 10 feet by 12 feet averages $450 to excavate, and a 20-foot-by-40-foot pool averages $3,020.

Tree experts don’t advise against digging through tree roots, but instead encourage caution and consultation with a local arborist to make sure you don’t damage the tree’s structure or interrupt its water or nutrient intake. An arborist can recommend specific practices when digging and help prune the roots or dig a trench for utilities with a tool that can remove soil without touching the tree’s roots.

Preparation involves site assessment, clearing debris, grading surfaces, and compacting soil to support stable construction.

It can take several weeks for the ground to settle after removing a tree, and the soil under larger, more mature trees can take months. The deeper the tree has been ground under the soil, the longer it will take to settle. However, this extra depth can help you plant new landscaping sooner because you’ll have more space for fresh soil.

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.