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Best excavation pros near Union City, CA

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TRUSTED BY UNION CITY, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon21
    Verified excavation services reviews

Top-Rated Excavation pros in Union City - Updated Nov 2026

Avatar for Carlos J Romero Grading and Paving Contractors, Inc.
Carlos J Romero Grading and Paving Contractors, Inc.
5.0(
2
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Union City, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"CJR is all about quality, they treat you like a real customer. The team is extremely professional, they clean the site daily before leaving for the day. You and your neighbors will not even notice its a site under construction. The quality of work is far and beyond your expectations. I will continue to use CJR for upcoming projects and referrals to all my friends and family."
Response time1 day
Recommended by50%of homeowners
Avatar for Ultra Construction Group Inc
Ultra Construction Group Inc
4.4(
5
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Union City, CA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Gio and the entire Ultra Construction Group team are amazing. They showed up on time and were incredibly organized and their attention to detail made the project even better then I imagined. I would highly recommend this company for any concrete project big or small."
Response time2 days
Response rate90%
30 neighbors recently requested a quote
PINA EXCAVATING CONTRACTOR
New to Angi
Building Site - Preparation and ClearingExcavation - Major Grading or Resloping

Serving Union City, 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!

2 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 Union City, 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 Union City, 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
Avatar for New Era Rooter & Plumbing
New Era Rooter & Plumbing
4.8(
34
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Union City, CA and surrounding areas

Free estimates

Emergency services offered

"The work was great, they have the technology to find the issue quickly and they are very knowledgeable. Communication was great at front, we discussed any additional services needed in advance and went over the process in general. The excavation, repair, and finishes were very clean. New Era Rooter & Plumbing are very professionals. I will definitely recommend this company and call them again."
Additional Photos
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+3

Recommended by93%of homeowners
Vargas Landscaping
4.7(
48
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Union City, CA and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"He was available by phone, and was flexible in scheduling meetings which is great. He was professional, and seemed quite knowledgable. In the end, I didn't use Nato's services because his quote was twice as much as the other contractor I was considering. Perhaps his prices may be more competitive in other services he offers. Either way, working with this company was a pleasant experience."
Recommended by95%of homeowners
Avatar for Miguel’s Plumbing, Electrical & Maintenance
Miguel’s Plumbing, Electrical & Maintenance
5.0(
16
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Union City, CA and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Miguel is absolutely amazing! I love the farmhouse look so the fixtures that I selected are not standard. Miguel was able to work around or resolve the issues that were encountered during both projects, the kitchen and the bathroom. And it's sooo convenient that he's an electrician and a plumber because he was able to complete more work without me having to coordinate with another contractor. Miguel is honest and he does excellent work. I didn't have to worry about getting ripped off. He pays attention to detail and he won't do shady work. He tells you the truth about the right way to do something and what will work and what won't work. I wish I could add more pictures of the bathroom because he also put in my clawfoot tub, sink and vanity (the vanity didn't have any pre-drilled holes), the light fixture, and he changed out the light switch."
Plumbing Project
Plumbing Project
Kitchen & bathrom remodel
Transfer switch for solar generator
Kitchen & bathrom remodel

+78

Recommended by100%of homeowners
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Excavating FAQs, answered by experts

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

A mini excavator can dig between 5 and 11 feet deep, depending on the type and size of the mini excavator. Mini hydraulic excavators are more powerful and can reach deeper into the earth, but electric models have a more limited range. Mini excavators over two tons in size are also more powerful and able to dig as deep as 11 feet.

The time it takes to build a pool—and dig out the area—varies based on the pool size and type. A professional excavator will take between four and eight hours to dig a pool. The process will take longer if they encounter large boulders or tree roots. Keep in mind that this is a small part of the process in the long run. You will need between eight and 12 weeks to build a pool from start to finish, including the time to apply for permits.

If you have a broken sprinkler pipe underground, there will be some signs you can easily spot to locate it and take action. These include leaks, water spouts, flooding, consistently damp areas on your lawn, low water pressure, and grass around the sprinkler head that’s taller and darker than anywhere else in the yard. 

If there are no obvious signs of a broken pipe, you can use tools such as water leak mics, leak noise loggers, audio devices that record leaks, and acoustic testing links. 

Broken pipes can lead to uneven watering, plant damage, and higher utility bills. The longer you wait to fix them the more the repair cost may be.

The best method for digging a trench depends on the scope of the project. For a short, shallow trench (less than 2 feet deep) in light, soft soil, digging by hand may be sufficient. However, digging by hand is labor-intensive, so consider the effort required. A machine trencher is the better option for longer trenches (over 100 feet), deeper ones, or when dealing with difficult soil conditions, such as rocky or hard ground, or obstructions like tree roots. A machine can save significant time and energy in these situations.

The Union City, CA homeowners’ guide to excavation services

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