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Avatar for In & Out Plumbing & Construction Inc
In & Out Plumbing & Construction Inc
4.2(
78
)

Serving San Mateo, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"With our rather old cabin-style home, the plumbing from the kitchen sink had a plug of hardened grease over 30 years old. We discovered this the first day when they drilled through it with a snake; we had them return a couple of days later with a hydrojet unit to clean it out. Our house is located in the mountains, and may not be particularly easy to get the equipment out here, but they had very little difficulty. They used a lengthy hose to go around the back of the house, then sent the nozzle through the pipe behind the trap to clear it out. I was originally concerned about navigating past the elbow joints in the pipe, and the fact that we have a septic tank that I didn't want to fill up; but neither was a problem, and the job was done in about an hour. The sound of the drain flowing never sounded so sweet."
San Francisco Sewer Line
Floor Drain
San Francisco Sewer Line
Floor Drain
San Francisco Sewer Line

+27

30 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for Carlos J Romero Grading and Paving Contractors, Inc.
Carlos J Romero Grading and Paving Contractors, Inc.
5.0(
2
)

Serving San Mateo, 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
)

Serving San Mateo, 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
56 neighbors recently requested a quote
Avatar for King's Excavation & Construction, LLC
King's Excavation & Construction, LLC
New to Angi

Serving San Mateo, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. King's Excavation & Construction LLC strives to maintain our reputation as a high quality, very service oriented company with our main focus being on customer satisfaction.

Logo
16 neighbors recently requested a quote
Avatar for Rocha Construction & Earthworks, Inc.
Rocha Construction & Earthworks, Inc.
3.0(
1
)

Serving San Mateo, CA and surrounding areas

Approved

In business since 2003

Emergency services offered

Warranties offered

"This job probably would have gone much smoother if the contractor had been at the job site regularly. One man was very competent, but the help hired needed lots of supervision. And since the dryrot portion was time and materials, I was very frustrated, workers were late, talked on their cell phones, and were not efficient. The contractor's response when I told him I thought he was going to be on the job site was, "I never said I would." He relied on daily conversations with the main carpenter. This might have worked had better workers been hired. After 4 months, a second competent carpenter was higher for a short time and that went well. I think the stucco sub-contractor did a good job but they were messy. The sheetrock sub-contractor took a long time patching, often missing spots and returning. The tile sub-contractor did not lay the hand-made tile very well so I have a constant reminder on his work. The painter did an pretty good job (the stucco is very rough)."
3 neighbors recently requested a quote
MCG Engineering Group Inc
New to Angi

Serving San Mateo, CA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business

Response time8 hrs
CLM Excavating, Inc.
4.6(
7
)

Serving San Mateo, CA and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

"Home Advisor does not have the specific category for the work that was performed of replacement of graded retaining wall up my driveway and around a structure. The work utilized excavation, concrete, wood & construction. Cristian, the owner, was the epitomy of professionalism as with every crew member. Firstly, he did not try to sell me on something I did not want, much appreciated. The job was meticulously executed in record time at the price I could pay. This job has been on my bucket list for years... finally completed with a job well done!"
Basement
Basement
Basement
Basement
Electrical conduit

+28

Response time1 day
Recommended by100%of homeowners
Vargas Landscaping
4.7(
48
)

Serving San Mateo, 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
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Excavating questions, answered by experts

If you’re planning to dig on your property, you’ll need to check for underground utility lines. Call the national call-before-you-dig 811 number. Once connected to an operator, you can schedule a site visit to mark underground lines. This way, you won’t accidentally dig into pipes and can cause major (read: costly) issues.

A trench that is less than 5 feet deep often doesn't require a protective system. Most residential trenches will not go this deep (the typical residential drainage trench is just 18 inches deep). In the event that an excavator needs to dig more than 5 feet beneath the surface, a protective system is required unless the excavation is in entirely stable rock.

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.

Septic drain lines (or leach lines) are typically buried between 18 and 36 inches underground, and should be at least 6 inches below the surface. These pipes are perforated and surrounded by filtering materials like sand or gravel. Burying the lines at this depth helps minimize odors and allows bacteria and other biological processes in the soil to effectively treat the wastewater. Burying lines too close to the surface can cause issues unless the soil is very compact and stable.

Professional installers often include a deep layer of crushed gravel under permeable pavers to allow more runoff to soak through into the soil below. Many installations will include multiple layers of gravel, with coarser aggregate at the base and finer aggregate that sits on top of that bottom layer. Above the gravel, you’ll often find coarse sand that helps reduce paver shifting over time. Some permeable paver designs include a water collection system set into the gravel layer to route runoff to a safe area for disposal.

The San Mateo, CA homeowners’ guide to excavation services

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