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Dig a sprinkler trench in Boise

Dig the line with a mini excavator. A walk-behind trencher is the usual tool for a shallow sprinkler line, but these rental shops do not publish a standalone trencher rate, so this total uses the mini excavators they do price.

Rental cost

$250 to $500 a day

Across 13 published day rates.

$750 to $1,665 a week

Across 12 published week rates. Rows that print a week rate are counted.

Low to high across rental shops.

These totals are estimates from published rental rates. They leave out delivery, fuel, damage waivers, and tax unless the rental shop printed those charges in the price.

Price checked Oct 28, 2026

Compare prices

Mini excavator rates published by rental shops in the Treasure Valley.

How long to rent

Planning guidance. A short run on soft ground can fit in a day. A long run, or ground with roots and rock, takes longer. Call 811 before you dig so buried lines can be marked.

If the dirt has to leave the property, rent a dump trailer too. That rental is not in this total. Haul dirt or gravel

What to rent

Mini excavator

It opens the trench once the run is too long for a shovel. The dirt can stay beside the line.

Ask for dig depth, how wide the machine is, and whether the back swings past the tracks. A tight side yard needs a smaller machine. The size guide lists typical classes.

Published ratesRental shopsSize guide

Lowest published day rate

Highest published day rate

Estimate one machine

The job cost estimate prices one machine at a time and stays in your browser. It starts at 7 days. Change the days to match your plan.