
Underground lines
Utility & Sewer Trenching in Reno, NV
Straight, safe trenches dug to depth, bedded right and backfilled so the ground does not sink later.
- Free on-site estimates
- Written, line-item pricing before we dig
- USA North 811 ticket on every excavation
Trenches for Every Line Into the House
Utility and sewer trenching covers the digging behind almost every underground line on a property: a new or replacement water service, a sewer lateral to the street, power to a detached shop, gas to a new appliance location, conduit for a gate or well pump, and irrigation mains. Around Reno we also trench for homeowners connecting a former septic property to city sewer and for owners adding an ADU that needs its own services.
Frost depth and cover
Reno averages roughly 122 nights a year at or below freezing. Water lines need enough cover to stay below frost, and every jurisdiction sets its own minimum depth. We confirm the requirement for your address with the utility or building department and dig to it.
Cutting through cemented layers
A trench is narrow, so a cemented duripan or a band of cobbles hits harder than it does in open excavation. Narrow buckets with heavy teeth handle most of it. Where the hardpan is thick, we may switch to a breaker for a short stretch. HomeGuide notes that jackhammered rock can run $50 to $200 or more per cubic yard, which is why we probe the route first.
Bedding and backfill
Pipe needs a bed of sand or fine material, not the rocky native soil it came out of. Sharp rock against plastic pipe causes failures years later. We bed and shade the pipe, then compact the rest of the backfill in lifts so the trench line does not settle into a ditch across your lawn or driveway.
Who owns which part
In most systems the property owner is responsible for the service line on private property, and the utility handles the main and its connection. Work in a public street or sidewalk needs a right-of-way permit from the city or county and often a licensed plumber for the connection. We coordinate with your plumber or electrician and dig to their requirements.
Trench safety
Any trench deep enough to put a person at risk gets shoring, a trench box or sloped sides before anyone steps in. Spoil is kept back from the edge so it cannot slide in, and open trenches are fenced or covered at the end of each day.
What This Covers
From a short power run to a full sewer lateral.
Water service lines
Trenches from the meter or well to the house, dug to required cover depth.
Sewer laterals
Excavation for lateral replacement or a new connection to the public main.
Septic-to-sewer conversions
Trenching for a new lateral and abandoning the old tank when sewer becomes available.
Electrical and gas trenching
Runs to shops, ADUs, RV hookups, gates and pumps for your licensed trade.
Irrigation mains
Trenching for drip and sprinkler supply lines.
Backfill and restoration
Bedding, compaction in lifts, and surface restoration.

Typical Utility & Sewer Trenching Costs
| Job | Published range |
|---|---|
| Trenching (HomeGuide) | $5 to $12 per linear foot |
| Sewer, septic or drain trench (HomeGuide) | $500 to $1,200 |
| Water main replacement (HomeAdvisor) | $646 to $2,834 |
| Trenched water line (HomeAdvisor) | $50 to $250 per linear foot |
| Machine and operator, Reno (HomeBlue) | $200 to $350 per hour |
| Water line permit (HomeAdvisor) | $100 to $500 |
Published ranges from the named cost guides; HomeBlue figures are Reno-specific, the rest are national. Hardpan, rock, access, hauling and permits move the total. Your written estimate is the price.
How It Works
1. Route and depth
We mark the route with you and your plumber or electrician and confirm required depth.
2. 811 ticket
Locates requested at least two working days ahead; we hand-expose near marked lines.
3. Dig and protect
Trench excavated, shored or sloped as needed, spoil set back from the edge.
4. Bed and inspect
Pipe or conduit bedded and left open for the trade and any inspection.
5. Backfill
Compacted in lifts, surface restored, extra spoil hauled.

Utility & Sewer Trenching Questions
How deep does a water line need to be in Reno?
Deep enough to stay below frost, with the exact minimum set by the water purveyor and building code for your address. We confirm it before digging.
Can you dig a sewer trench without tearing up the whole yard?
We keep trenches as narrow as the pipe and safety allow, stockpile topsoil and rock separately, and put the yard back in layers. Trenchless options are a plumbing decision we can discuss with your plumber.
Do you install the pipe?
We handle excavation, bedding and backfill. Connections that require a licensed plumber or electrician are done by that trade, and we coordinate the schedule.
What happens if you hit hardpan in the trench?
We switch to heavier teeth or a breaker for that stretch. We probe the route ahead of time so the estimate reflects what is likely down there.
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Get a Utility & Sewer Trenching Estimate
Free trenching estimates in Reno.