Utility and electrical trenching
Conduit and service runs at code depth with sand bedding where required.
Before The Pour
Trenching Services in San Antonio, TX
Trenching is where the schedule gets saved or lost. Lines get located first, trenches get cut to depth and line, and backfill gets compacted in lifts so the ground above them does not settle later.
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Most quotes back in 24 hours.
What's Included
Trenching work we handle across the San Antonio metro
Plumbing and sewer trenching
Water, sewer, and gas trenches cut to the plumber's grade requirements.
Footing and drainage trenching
Grade beam trenches, French drains, and area drain runs.
How We Build It
The details that decide whether San Antonio concrete lasts
Backfill and compaction
Backfill placed in lifts and compacted, not dozed back in loose. Loose trench backfill under a slab or drive is a guaranteed crack line.
Rock in Bexar County
Limestone shows up shallow across much of the metro. We bring the right breaker so a rock trench does not stall your job for a week.
Overview
Trenching Services in San Antonio, TX
Trenching is the part of a project nobody sees once it's finished, and the part that causes the most trouble when it's rushed. Every utility line, drain, water service and footing has to get into the ground at the right depth, on the right line, with backfill that won't settle later and leave a trough across the yard or a crack across a slab.
We cut trenches across the San Antonio area for electrical and utility conduit, water and sewer lines, gas service, irrigation, drainage runs and French drains, and footing and grade beam excavation for foundations and retaining walls.
The two things that decide whether a trench job goes smoothly are locating what's already down there and knowing what the ground is going to do. Existing lines get located before a machine starts, and where rock shows up we bring equipment that can get through it rather than letting the schedule stall for a week.
Often handled alongside excavation services in San Antonio, site grading and compaction in San Antonio and concrete foundations in San Antonio.
Why It's Worth Doing Right
Why Trenching Is Worth Hiring Out
Correct depth, first time
Utilities and services have depth requirements. A trench that's too shallow either gets rejected at inspection or gets damaged later.
Existing lines stay intact
Locating before digging avoids the expensive, sometimes dangerous problem of putting a bucket through a gas, water or fiber line.
Backfill that doesn't settle
Backfill placed and compacted in lifts keeps the ground from sinking above the trench — the difference between a flat yard and a permanent trench line.
Rock doesn't stop the job
Shallow limestone is common in this area. Having the right breaker on site keeps a rock trench from turning into a week of delay.
Clean lines for the trades
Plumbers and electricians work faster and safer in a trench cut straight, to grade, and with a stable bottom.
Less damage to the property
Planned access, spoil placement and cleanup mean the yard doesn't come out looking like a construction site.
Is This You?
Common Reasons to Call for Trenching
- Running electrical service or conduit to a shop, garage, gate or pool equipment
- Installing or replacing a water, sewer or gas line
- Adding French drains or area drains to fix a yard that holds water
- Excavating footings or grade beams for a foundation, addition or retaining wall
- Running irrigation mainlines across a property
- Extending utilities to a new build on acreage
- Replacing a failing sewer line under a yard or driveway
- Setting drainage to move roof and hardscape runoff away from the house
What to Expect
How a Trenching Job Runs
01 Walk the route and locate
We agree on the trench route with you, then get existing utilities located before any equipment moves. Nothing gets dug on assumption.
02 Written scope
Linear footage, depth, width, bedding and backfill requirements, plus whether rock is likely, all priced in writing.
03 Access and protection
We plan machine access and where spoil goes, and protect the areas of the property that need to stay intact.
04 Cut to line and depth
The trench is cut to the depth and grade the installation requires — including consistent fall on drainage and sewer runs.
05 Bedding and installation coordination
Sand or select bedding is placed where required, and we coordinate timing with your plumber, electrician or drainage installer so nobody waits on the other.
06 Backfill, compact and restore
Backfill goes in in lifts and gets compacted, the surface is restored to grade, and the site is cleaned up.
Worth Knowing
Why Trench Backfill Decides What Happens Above It
A trench is a hole you filled back in, and how it was filled determines what the ground above it does for years. Backfill that's simply pushed back in loose will consolidate on its own schedule — usually after the first heavy rain — and you end up with a sunken line running across the yard, or worse, under a driveway or slab that then cracks along the same line.
Compacting in lifts takes longer and costs a little more. It's also the only way to make sure the surface above the trench stays where you put it. If a trench crosses a future driveway, walkway or slab, that step isn't optional.
Things worth deciding before the trench is cut:
- Whether the trench route crosses anything that will be paved later.
- Whether extra conduit sleeves should go in now for future lighting, gates or a shop.
- Required depth and bedding for each type of line being installed.
- Where spoil gets stockpiled and whether it stays on site or gets hauled off.
- Whether the run needs consistent fall — drainage and sewer lines do, power doesn't.
Service Area
Trenching Around San Antonio and Bexar County
We trench for residential, commercial and builder clients across San Antonio and out into Boerne, Bulverde, Helotes, Schertz, Cibolo, Converse, New Braunfels and rural properties in the surrounding counties.
Limestone is the recurring variable in this region. In some areas rock sits within a couple of feet of the surface, and a trench that would take an afternoon in soil becomes a different job entirely. We check what we're likely to hit before quoting and bring the equipment for it.
On acreage properties, trench runs are often long — service from a road to a house or shop can be hundreds of feet. Route planning around trees, drives and existing lines makes a real difference in both cost and how the property looks afterward.
Questions
Trenching Questions
Do you locate utilities before digging?
Yes. Existing utilities are located before any equipment breaks ground. On private lines that aren't part of public locating services, we discuss what's known about the property with you first.
How deep does a trench need to be?
It depends on what's going in it. Electrical, water, sewer, gas and drainage all have different depth requirements, and sewer and drainage also need consistent fall. We cut to the depth the installation and any applicable code requires.
What happens if you hit rock?
Rock is common in parts of this area. We bring breaking equipment when the site indicates it's likely. If rock is encountered unexpectedly, we talk with you about the impact before proceeding rather than surprising you on the invoice.
Will my yard sink where the trench was?
Not if the backfill is placed and compacted in lifts. Loose backfill is the reason trench lines settle, and it's the step that gets skipped when a job is being done cheap and fast.
Can you trench close to my house or existing driveway?
Usually yes, with the right size machine and careful work. We'll look at clearances during the site visit and tell you if hand work or a smaller machine is needed in tight spots.
Do you coordinate with my plumber or electrician?
Yes. We schedule the trench so the installing trade can work right after it's open, and we backfill once their inspection is cleared, so the trench isn't sitting open longer than it needs to be.
Get a Free Trenching Estimate in San Antonio
Tell us the route, roughly how far it runs, and what's going in the trench. We'll come out, look at access and likely ground conditions, and give you a written estimate.
Related Services
Often paired with trenching in San Antonio
Let's put a real number on your project
Tell us what you are building in the San Antonio area. We will walk the site, check soil, drainage, and access, and send a written scope you can actually compare against other bids.
- Call Us
- (210) 941-9634
- Meeting Hours
- Mon – Fri: 7:00am – 5:30pm CST
- Email Us
- dp1879425@gmail.com
- Address
- 1420 S Flores St, Suite 120, San Antonio, TX 78204Get directions
Book a free site walk
Pick a time that works for you. We will come measure the site, check drainage and access, and send a written quote.